zpool_main.c revision 325534
1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2011, 2016 by Delphix. All rights reserved. 25 * Copyright (c) 2012 by Frederik Wessels. All rights reserved. 26 * Copyright (c) 2012 Martin Matuska <mm@FreeBSD.org>. All rights reserved. 27 * Copyright (c) 2013 by Prasad Joshi (sTec). All rights reserved. 28 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>. 29 * Copyright 2016 Nexenta Systems, Inc. 30 * Copyright (c) 2017 Datto Inc. 31 */ 32 33#include <solaris.h> 34#include <assert.h> 35#include <ctype.h> 36#include <dirent.h> 37#include <errno.h> 38#include <fcntl.h> 39#include <libgen.h> 40#include <libintl.h> 41#include <libuutil.h> 42#include <locale.h> 43#include <stdio.h> 44#include <stdlib.h> 45#include <string.h> 46#include <strings.h> 47#include <unistd.h> 48#include <priv.h> 49#include <pwd.h> 50#include <zone.h> 51#include <sys/time.h> 52#include <zfs_prop.h> 53#include <sys/fs/zfs.h> 54#include <sys/stat.h> 55 56#include <libzfs.h> 57 58#include "zpool_util.h" 59#include "zfs_comutil.h" 60#include "zfeature_common.h" 61 62#include "statcommon.h" 63 64static int zpool_do_create(int, char **); 65static int zpool_do_destroy(int, char **); 66 67static int zpool_do_add(int, char **); 68static int zpool_do_remove(int, char **); 69static int zpool_do_labelclear(int, char **); 70 71static int zpool_do_list(int, char **); 72static int zpool_do_iostat(int, char **); 73static int zpool_do_status(int, char **); 74 75static int zpool_do_online(int, char **); 76static int zpool_do_offline(int, char **); 77static int zpool_do_clear(int, char **); 78static int zpool_do_reopen(int, char **); 79 80static int zpool_do_reguid(int, char **); 81 82static int zpool_do_attach(int, char **); 83static int zpool_do_detach(int, char **); 84static int zpool_do_replace(int, char **); 85static int zpool_do_split(int, char **); 86 87static int zpool_do_scrub(int, char **); 88 89static int zpool_do_import(int, char **); 90static int zpool_do_export(int, char **); 91 92static int zpool_do_upgrade(int, char **); 93 94static int zpool_do_history(int, char **); 95 96static int zpool_do_get(int, char **); 97static int zpool_do_set(int, char **); 98 99/* 100 * These libumem hooks provide a reasonable set of defaults for the allocator's 101 * debugging facilities. 102 */ 103 104#ifdef DEBUG 105const char * 106_umem_debug_init(void) 107{ 108 return ("default,verbose"); /* $UMEM_DEBUG setting */ 109} 110 111const char * 112_umem_logging_init(void) 113{ 114 return ("fail,contents"); /* $UMEM_LOGGING setting */ 115} 116#endif 117 118typedef enum { 119 HELP_ADD, 120 HELP_ATTACH, 121 HELP_CLEAR, 122 HELP_CREATE, 123 HELP_DESTROY, 124 HELP_DETACH, 125 HELP_EXPORT, 126 HELP_HISTORY, 127 HELP_IMPORT, 128 HELP_IOSTAT, 129 HELP_LABELCLEAR, 130 HELP_LIST, 131 HELP_OFFLINE, 132 HELP_ONLINE, 133 HELP_REPLACE, 134 HELP_REMOVE, 135 HELP_SCRUB, 136 HELP_STATUS, 137 HELP_UPGRADE, 138 HELP_GET, 139 HELP_SET, 140 HELP_SPLIT, 141 HELP_REGUID, 142 HELP_REOPEN 143} zpool_help_t; 144 145 146typedef struct zpool_command { 147 const char *name; 148 int (*func)(int, char **); 149 zpool_help_t usage; 150} zpool_command_t; 151 152/* 153 * Master command table. Each ZFS command has a name, associated function, and 154 * usage message. The usage messages need to be internationalized, so we have 155 * to have a function to return the usage message based on a command index. 156 * 157 * These commands are organized according to how they are displayed in the usage 158 * message. An empty command (one with a NULL name) indicates an empty line in 159 * the generic usage message. 160 */ 161static zpool_command_t command_table[] = { 162 { "create", zpool_do_create, HELP_CREATE }, 163 { "destroy", zpool_do_destroy, HELP_DESTROY }, 164 { NULL }, 165 { "add", zpool_do_add, HELP_ADD }, 166 { "remove", zpool_do_remove, HELP_REMOVE }, 167 { NULL }, 168 { "labelclear", zpool_do_labelclear, HELP_LABELCLEAR }, 169 { NULL }, 170 { "list", zpool_do_list, HELP_LIST }, 171 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 172 { "status", zpool_do_status, HELP_STATUS }, 173 { NULL }, 174 { "online", zpool_do_online, HELP_ONLINE }, 175 { "offline", zpool_do_offline, HELP_OFFLINE }, 176 { "clear", zpool_do_clear, HELP_CLEAR }, 177 { "reopen", zpool_do_reopen, HELP_REOPEN }, 178 { NULL }, 179 { "attach", zpool_do_attach, HELP_ATTACH }, 180 { "detach", zpool_do_detach, HELP_DETACH }, 181 { "replace", zpool_do_replace, HELP_REPLACE }, 182 { "split", zpool_do_split, HELP_SPLIT }, 183 { NULL }, 184 { "scrub", zpool_do_scrub, HELP_SCRUB }, 185 { NULL }, 186 { "import", zpool_do_import, HELP_IMPORT }, 187 { "export", zpool_do_export, HELP_EXPORT }, 188 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 189 { "reguid", zpool_do_reguid, HELP_REGUID }, 190 { NULL }, 191 { "history", zpool_do_history, HELP_HISTORY }, 192 { "get", zpool_do_get, HELP_GET }, 193 { "set", zpool_do_set, HELP_SET }, 194}; 195 196#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 197 198static zpool_command_t *current_command; 199static char history_str[HIS_MAX_RECORD_LEN]; 200static boolean_t log_history = B_TRUE; 201static uint_t timestamp_fmt = NODATE; 202 203static const char * 204get_usage(zpool_help_t idx) 205{ 206 switch (idx) { 207 case HELP_ADD: 208 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 209 case HELP_ATTACH: 210 return (gettext("\tattach [-f] <pool> <device> " 211 "<new-device>\n")); 212 case HELP_CLEAR: 213 return (gettext("\tclear [-nF] <pool> [device]\n")); 214 case HELP_CREATE: 215 return (gettext("\tcreate [-fnd] [-o property=value] ... \n" 216 "\t [-O file-system-property=value] ... \n" 217 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 218 case HELP_DESTROY: 219 return (gettext("\tdestroy [-f] <pool>\n")); 220 case HELP_DETACH: 221 return (gettext("\tdetach <pool> <device>\n")); 222 case HELP_EXPORT: 223 return (gettext("\texport [-f] <pool> ...\n")); 224 case HELP_HISTORY: 225 return (gettext("\thistory [-il] [<pool>] ...\n")); 226 case HELP_IMPORT: 227 return (gettext("\timport [-d dir] [-D]\n" 228 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n" 229 "\timport [-o mntopts] [-o property=value] ... \n" 230 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 231 "[-R root] [-F [-n]] -a\n" 232 "\timport [-o mntopts] [-o property=value] ... \n" 233 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 234 "[-R root] [-F [-n]]\n" 235 "\t <pool | id> [newpool]\n")); 236 case HELP_IOSTAT: 237 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval " 238 "[count]]\n")); 239 case HELP_LABELCLEAR: 240 return (gettext("\tlabelclear [-f] <vdev>\n")); 241 case HELP_LIST: 242 return (gettext("\tlist [-Hpv] [-o property[,...]] " 243 "[-T d|u] [pool] ... [interval [count]]\n")); 244 case HELP_OFFLINE: 245 return (gettext("\toffline [-t] <pool> <device> ...\n")); 246 case HELP_ONLINE: 247 return (gettext("\tonline [-e] <pool> <device> ...\n")); 248 case HELP_REPLACE: 249 return (gettext("\treplace [-f] <pool> <device> " 250 "[new-device]\n")); 251 case HELP_REMOVE: 252 return (gettext("\tremove <pool> <device> ...\n")); 253 case HELP_REOPEN: 254 return (gettext("\treopen <pool>\n")); 255 case HELP_SCRUB: 256 return (gettext("\tscrub [-s | -p] <pool> ...\n")); 257 case HELP_STATUS: 258 return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval " 259 "[count]]\n")); 260 case HELP_UPGRADE: 261 return (gettext("\tupgrade [-v]\n" 262 "\tupgrade [-V version] <-a | pool ...>\n")); 263 case HELP_GET: 264 return (gettext("\tget [-Hp] [-o \"all\" | field[,...]] " 265 "<\"all\" | property[,...]> <pool> ...\n")); 266 case HELP_SET: 267 return (gettext("\tset <property=value> <pool> \n")); 268 case HELP_SPLIT: 269 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 270 "\t [-o property=value] <pool> <newpool> " 271 "[<device> ...]\n")); 272 case HELP_REGUID: 273 return (gettext("\treguid <pool>\n")); 274 } 275 276 abort(); 277 /* NOTREACHED */ 278} 279 280 281/* 282 * Callback routine that will print out a pool property value. 283 */ 284static int 285print_prop_cb(int prop, void *cb) 286{ 287 FILE *fp = cb; 288 289 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 290 291 if (zpool_prop_readonly(prop)) 292 (void) fprintf(fp, " NO "); 293 else 294 (void) fprintf(fp, " YES "); 295 296 if (zpool_prop_values(prop) == NULL) 297 (void) fprintf(fp, "-\n"); 298 else 299 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 300 301 return (ZPROP_CONT); 302} 303 304/* 305 * Display usage message. If we're inside a command, display only the usage for 306 * that command. Otherwise, iterate over the entire command table and display 307 * a complete usage message. 308 */ 309void 310usage(boolean_t requested) 311{ 312 FILE *fp = requested ? stdout : stderr; 313 314 if (current_command == NULL) { 315 int i; 316 317 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 318 (void) fprintf(fp, 319 gettext("where 'command' is one of the following:\n\n")); 320 321 for (i = 0; i < NCOMMAND; i++) { 322 if (command_table[i].name == NULL) 323 (void) fprintf(fp, "\n"); 324 else 325 (void) fprintf(fp, "%s", 326 get_usage(command_table[i].usage)); 327 } 328 } else { 329 (void) fprintf(fp, gettext("usage:\n")); 330 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 331 } 332 333 if (current_command != NULL && 334 ((strcmp(current_command->name, "set") == 0) || 335 (strcmp(current_command->name, "get") == 0) || 336 (strcmp(current_command->name, "list") == 0))) { 337 338 (void) fprintf(fp, 339 gettext("\nthe following properties are supported:\n")); 340 341 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 342 "PROPERTY", "EDIT", "VALUES"); 343 344 /* Iterate over all properties */ 345 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 346 ZFS_TYPE_POOL); 347 348 (void) fprintf(fp, "\t%-15s ", "feature@..."); 349 (void) fprintf(fp, "YES disabled | enabled | active\n"); 350 351 (void) fprintf(fp, gettext("\nThe feature@ properties must be " 352 "appended with a feature name.\nSee zpool-features(7).\n")); 353 } 354 355 /* 356 * See comments at end of main(). 357 */ 358 if (getenv("ZFS_ABORT") != NULL) { 359 (void) printf("dumping core by request\n"); 360 abort(); 361 } 362 363 exit(requested ? 0 : 2); 364} 365 366void 367print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 368 boolean_t print_logs) 369{ 370 nvlist_t **child; 371 uint_t c, children; 372 char *vname; 373 374 if (name != NULL) 375 (void) printf("\t%*s%s\n", indent, "", name); 376 377 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 378 &child, &children) != 0) 379 return; 380 381 for (c = 0; c < children; c++) { 382 uint64_t is_log = B_FALSE; 383 384 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 385 &is_log); 386 if ((is_log && !print_logs) || (!is_log && print_logs)) 387 continue; 388 389 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 390 print_vdev_tree(zhp, vname, child[c], indent + 2, 391 B_FALSE); 392 free(vname); 393 } 394} 395 396static boolean_t 397prop_list_contains_feature(nvlist_t *proplist) 398{ 399 nvpair_t *nvp; 400 for (nvp = nvlist_next_nvpair(proplist, NULL); NULL != nvp; 401 nvp = nvlist_next_nvpair(proplist, nvp)) { 402 if (zpool_prop_feature(nvpair_name(nvp))) 403 return (B_TRUE); 404 } 405 return (B_FALSE); 406} 407 408/* 409 * Add a property pair (name, string-value) into a property nvlist. 410 */ 411static int 412add_prop_list(const char *propname, char *propval, nvlist_t **props, 413 boolean_t poolprop) 414{ 415 zpool_prop_t prop = ZPROP_INVAL; 416 zfs_prop_t fprop; 417 nvlist_t *proplist; 418 const char *normnm; 419 char *strval; 420 421 if (*props == NULL && 422 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 423 (void) fprintf(stderr, 424 gettext("internal error: out of memory\n")); 425 return (1); 426 } 427 428 proplist = *props; 429 430 if (poolprop) { 431 const char *vname = zpool_prop_to_name(ZPOOL_PROP_VERSION); 432 433 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL && 434 !zpool_prop_feature(propname)) { 435 (void) fprintf(stderr, gettext("property '%s' is " 436 "not a valid pool property\n"), propname); 437 return (2); 438 } 439 440 /* 441 * feature@ properties and version should not be specified 442 * at the same time. 443 */ 444 if ((prop == ZPROP_INVAL && zpool_prop_feature(propname) && 445 nvlist_exists(proplist, vname)) || 446 (prop == ZPOOL_PROP_VERSION && 447 prop_list_contains_feature(proplist))) { 448 (void) fprintf(stderr, gettext("'feature@' and " 449 "'version' properties cannot be specified " 450 "together\n")); 451 return (2); 452 } 453 454 455 if (zpool_prop_feature(propname)) 456 normnm = propname; 457 else 458 normnm = zpool_prop_to_name(prop); 459 } else { 460 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 461 normnm = zfs_prop_to_name(fprop); 462 } else { 463 normnm = propname; 464 } 465 } 466 467 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 468 prop != ZPOOL_PROP_CACHEFILE) { 469 (void) fprintf(stderr, gettext("property '%s' " 470 "specified multiple times\n"), propname); 471 return (2); 472 } 473 474 if (nvlist_add_string(proplist, normnm, propval) != 0) { 475 (void) fprintf(stderr, gettext("internal " 476 "error: out of memory\n")); 477 return (1); 478 } 479 480 return (0); 481} 482 483/* 484 * zpool add [-fn] <pool> <vdev> ... 485 * 486 * -f Force addition of devices, even if they appear in use 487 * -n Do not add the devices, but display the resulting layout if 488 * they were to be added. 489 * 490 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 491 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 492 * libzfs. 493 */ 494int 495zpool_do_add(int argc, char **argv) 496{ 497 boolean_t force = B_FALSE; 498 boolean_t dryrun = B_FALSE; 499 int c; 500 nvlist_t *nvroot; 501 char *poolname; 502 int ret; 503 zpool_handle_t *zhp; 504 nvlist_t *config; 505 506 /* check options */ 507 while ((c = getopt(argc, argv, "fn")) != -1) { 508 switch (c) { 509 case 'f': 510 force = B_TRUE; 511 break; 512 case 'n': 513 dryrun = B_TRUE; 514 break; 515 case '?': 516 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 517 optopt); 518 usage(B_FALSE); 519 } 520 } 521 522 argc -= optind; 523 argv += optind; 524 525 /* get pool name and check number of arguments */ 526 if (argc < 1) { 527 (void) fprintf(stderr, gettext("missing pool name argument\n")); 528 usage(B_FALSE); 529 } 530 if (argc < 2) { 531 (void) fprintf(stderr, gettext("missing vdev specification\n")); 532 usage(B_FALSE); 533 } 534 535 poolname = argv[0]; 536 537 argc--; 538 argv++; 539 540 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 541 return (1); 542 543 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 544 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 545 poolname); 546 zpool_close(zhp); 547 return (1); 548 } 549 550 /* pass off to get_vdev_spec for processing */ 551 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 552 argc, argv); 553 if (nvroot == NULL) { 554 zpool_close(zhp); 555 return (1); 556 } 557 558 if (dryrun) { 559 nvlist_t *poolnvroot; 560 561 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 562 &poolnvroot) == 0); 563 564 (void) printf(gettext("would update '%s' to the following " 565 "configuration:\n"), zpool_get_name(zhp)); 566 567 /* print original main pool and new tree */ 568 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 569 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 570 571 /* Do the same for the logs */ 572 if (num_logs(poolnvroot) > 0) { 573 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 574 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 575 } else if (num_logs(nvroot) > 0) { 576 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 577 } 578 579 ret = 0; 580 } else { 581 ret = (zpool_add(zhp, nvroot) != 0); 582 } 583 584 nvlist_free(nvroot); 585 zpool_close(zhp); 586 587 return (ret); 588} 589 590/* 591 * zpool remove <pool> <vdev> ... 592 * 593 * Removes the given vdev from the pool. Currently, this supports removing 594 * spares, cache, and log devices from the pool. 595 */ 596int 597zpool_do_remove(int argc, char **argv) 598{ 599 char *poolname; 600 int i, ret = 0; 601 zpool_handle_t *zhp; 602 603 argc--; 604 argv++; 605 606 /* get pool name and check number of arguments */ 607 if (argc < 1) { 608 (void) fprintf(stderr, gettext("missing pool name argument\n")); 609 usage(B_FALSE); 610 } 611 if (argc < 2) { 612 (void) fprintf(stderr, gettext("missing device\n")); 613 usage(B_FALSE); 614 } 615 616 poolname = argv[0]; 617 618 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 619 return (1); 620 621 for (i = 1; i < argc; i++) { 622 if (zpool_vdev_remove(zhp, argv[i]) != 0) 623 ret = 1; 624 } 625 626 return (ret); 627} 628 629/* 630 * zpool labelclear [-f] <vdev> 631 * 632 * -f Force clearing the label for the vdevs which are members of 633 * the exported or foreign pools. 634 * 635 * Verifies that the vdev is not active and zeros out the label information 636 * on the device. 637 */ 638int 639zpool_do_labelclear(int argc, char **argv) 640{ 641 char vdev[MAXPATHLEN]; 642 char *name = NULL; 643 struct stat st; 644 int c, fd, ret = 0; 645 nvlist_t *config; 646 pool_state_t state; 647 boolean_t inuse = B_FALSE; 648 boolean_t force = B_FALSE; 649 650 /* check options */ 651 while ((c = getopt(argc, argv, "f")) != -1) { 652 switch (c) { 653 case 'f': 654 force = B_TRUE; 655 break; 656 default: 657 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 658 optopt); 659 usage(B_FALSE); 660 } 661 } 662 663 argc -= optind; 664 argv += optind; 665 666 /* get vdev name */ 667 if (argc < 1) { 668 (void) fprintf(stderr, gettext("missing vdev name\n")); 669 usage(B_FALSE); 670 } 671 if (argc > 1) { 672 (void) fprintf(stderr, gettext("too many arguments\n")); 673 usage(B_FALSE); 674 } 675 676 /* 677 * Check if we were given absolute path and use it as is. 678 * Otherwise if the provided vdev name doesn't point to a file, 679 * try prepending dsk path and appending s0. 680 */ 681 (void) strlcpy(vdev, argv[0], sizeof (vdev)); 682 if (vdev[0] != '/' && stat(vdev, &st) != 0) { 683 char *s; 684 685 (void) snprintf(vdev, sizeof (vdev), "%s/%s", 686#ifdef illumos 687 ZFS_DISK_ROOT, argv[0]); 688 if ((s = strrchr(argv[0], 's')) == NULL || 689 !isdigit(*(s + 1))) 690 (void) strlcat(vdev, "s0", sizeof (vdev)); 691#else 692 "/dev", argv[0]); 693#endif 694 if (stat(vdev, &st) != 0) { 695 (void) fprintf(stderr, gettext( 696 "failed to find device %s, try specifying absolute " 697 "path instead\n"), argv[0]); 698 return (1); 699 } 700 } 701 702 if ((fd = open(vdev, O_RDWR)) < 0) { 703 (void) fprintf(stderr, gettext("failed to open %s: %s\n"), 704 vdev, strerror(errno)); 705 return (1); 706 } 707 708 if (zpool_read_label(fd, &config) != 0) { 709 (void) fprintf(stderr, 710 gettext("failed to read label from %s\n"), vdev); 711 return (1); 712 } 713 nvlist_free(config); 714 715 ret = zpool_in_use(g_zfs, fd, &state, &name, &inuse); 716 if (ret != 0) { 717 (void) fprintf(stderr, 718 gettext("failed to check state for %s\n"), vdev); 719 return (1); 720 } 721 722 if (!inuse) 723 goto wipe_label; 724 725 switch (state) { 726 default: 727 case POOL_STATE_ACTIVE: 728 case POOL_STATE_SPARE: 729 case POOL_STATE_L2CACHE: 730 (void) fprintf(stderr, gettext( 731 "%s is a member (%s) of pool \"%s\"\n"), 732 vdev, zpool_pool_state_to_name(state), name); 733 ret = 1; 734 goto errout; 735 736 case POOL_STATE_EXPORTED: 737 if (force) 738 break; 739 (void) fprintf(stderr, gettext( 740 "use '-f' to override the following error:\n" 741 "%s is a member of exported pool \"%s\"\n"), 742 vdev, name); 743 ret = 1; 744 goto errout; 745 746 case POOL_STATE_POTENTIALLY_ACTIVE: 747 if (force) 748 break; 749 (void) fprintf(stderr, gettext( 750 "use '-f' to override the following error:\n" 751 "%s is a member of potentially active pool \"%s\"\n"), 752 vdev, name); 753 ret = 1; 754 goto errout; 755 756 case POOL_STATE_DESTROYED: 757 /* inuse should never be set for a destroyed pool */ 758 assert(0); 759 break; 760 } 761 762wipe_label: 763 ret = zpool_clear_label(fd); 764 if (ret != 0) { 765 (void) fprintf(stderr, 766 gettext("failed to clear label for %s\n"), vdev); 767 } 768 769errout: 770 free(name); 771 (void) close(fd); 772 773 return (ret); 774} 775 776/* 777 * zpool create [-fnd] [-o property=value] ... 778 * [-O file-system-property=value] ... 779 * [-R root] [-m mountpoint] <pool> <dev> ... 780 * 781 * -f Force creation, even if devices appear in use 782 * -n Do not create the pool, but display the resulting layout if it 783 * were to be created. 784 * -R Create a pool under an alternate root 785 * -m Set default mountpoint for the root dataset. By default it's 786 * '/<pool>' 787 * -o Set property=value. 788 * -d Don't automatically enable all supported pool features 789 * (individual features can be enabled with -o). 790 * -O Set fsproperty=value in the pool's root file system 791 * 792 * Creates the named pool according to the given vdev specification. The 793 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once 794 * we get the nvlist back from get_vdev_spec(), we either print out the contents 795 * (if '-n' was specified), or pass it to libzfs to do the creation. 796 */ 797int 798zpool_do_create(int argc, char **argv) 799{ 800 boolean_t force = B_FALSE; 801 boolean_t dryrun = B_FALSE; 802 boolean_t enable_all_pool_feat = B_TRUE; 803 int c; 804 nvlist_t *nvroot = NULL; 805 char *poolname; 806 int ret = 1; 807 char *altroot = NULL; 808 char *mountpoint = NULL; 809 nvlist_t *fsprops = NULL; 810 nvlist_t *props = NULL; 811 char *propval; 812 813 /* check options */ 814 while ((c = getopt(argc, argv, ":fndR:m:o:O:")) != -1) { 815 switch (c) { 816 case 'f': 817 force = B_TRUE; 818 break; 819 case 'n': 820 dryrun = B_TRUE; 821 break; 822 case 'd': 823 enable_all_pool_feat = B_FALSE; 824 break; 825 case 'R': 826 altroot = optarg; 827 if (add_prop_list(zpool_prop_to_name( 828 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 829 goto errout; 830 if (nvlist_lookup_string(props, 831 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 832 &propval) == 0) 833 break; 834 if (add_prop_list(zpool_prop_to_name( 835 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 836 goto errout; 837 break; 838 case 'm': 839 /* Equivalent to -O mountpoint=optarg */ 840 mountpoint = optarg; 841 break; 842 case 'o': 843 if ((propval = strchr(optarg, '=')) == NULL) { 844 (void) fprintf(stderr, gettext("missing " 845 "'=' for -o option\n")); 846 goto errout; 847 } 848 *propval = '\0'; 849 propval++; 850 851 if (add_prop_list(optarg, propval, &props, B_TRUE)) 852 goto errout; 853 854 /* 855 * If the user is creating a pool that doesn't support 856 * feature flags, don't enable any features. 857 */ 858 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_VERSION) { 859 char *end; 860 u_longlong_t ver; 861 862 ver = strtoull(propval, &end, 10); 863 if (*end == '\0' && 864 ver < SPA_VERSION_FEATURES) { 865 enable_all_pool_feat = B_FALSE; 866 } 867 } 868 if (zpool_name_to_prop(optarg) == ZPOOL_PROP_ALTROOT) 869 altroot = propval; 870 break; 871 case 'O': 872 if ((propval = strchr(optarg, '=')) == NULL) { 873 (void) fprintf(stderr, gettext("missing " 874 "'=' for -O option\n")); 875 goto errout; 876 } 877 *propval = '\0'; 878 propval++; 879 880 /* 881 * Mountpoints are checked and then added later. 882 * Uniquely among properties, they can be specified 883 * more than once, to avoid conflict with -m. 884 */ 885 if (0 == strcmp(optarg, 886 zfs_prop_to_name(ZFS_PROP_MOUNTPOINT))) { 887 mountpoint = propval; 888 } else if (add_prop_list(optarg, propval, &fsprops, 889 B_FALSE)) { 890 goto errout; 891 } 892 break; 893 case ':': 894 (void) fprintf(stderr, gettext("missing argument for " 895 "'%c' option\n"), optopt); 896 goto badusage; 897 case '?': 898 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 899 optopt); 900 goto badusage; 901 } 902 } 903 904 argc -= optind; 905 argv += optind; 906 907 /* get pool name and check number of arguments */ 908 if (argc < 1) { 909 (void) fprintf(stderr, gettext("missing pool name argument\n")); 910 goto badusage; 911 } 912 if (argc < 2) { 913 (void) fprintf(stderr, gettext("missing vdev specification\n")); 914 goto badusage; 915 } 916 917 poolname = argv[0]; 918 919 /* 920 * As a special case, check for use of '/' in the name, and direct the 921 * user to use 'zfs create' instead. 922 */ 923 if (strchr(poolname, '/') != NULL) { 924 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 925 "character '/' in pool name\n"), poolname); 926 (void) fprintf(stderr, gettext("use 'zfs create' to " 927 "create a dataset\n")); 928 goto errout; 929 } 930 931 /* pass off to get_vdev_spec for bulk processing */ 932 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 933 argc - 1, argv + 1); 934 if (nvroot == NULL) 935 goto errout; 936 937 /* make_root_vdev() allows 0 toplevel children if there are spares */ 938 if (!zfs_allocatable_devs(nvroot)) { 939 (void) fprintf(stderr, gettext("invalid vdev " 940 "specification: at least one toplevel vdev must be " 941 "specified\n")); 942 goto errout; 943 } 944 945 if (altroot != NULL && altroot[0] != '/') { 946 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 947 "must be an absolute path\n"), altroot); 948 goto errout; 949 } 950 951 /* 952 * Check the validity of the mountpoint and direct the user to use the 953 * '-m' mountpoint option if it looks like its in use. 954 * Ignore the checks if the '-f' option is given. 955 */ 956 if (!force && (mountpoint == NULL || 957 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 958 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0))) { 959 char buf[MAXPATHLEN]; 960 DIR *dirp; 961 962 if (mountpoint && mountpoint[0] != '/') { 963 (void) fprintf(stderr, gettext("invalid mountpoint " 964 "'%s': must be an absolute path, 'legacy', or " 965 "'none'\n"), mountpoint); 966 goto errout; 967 } 968 969 if (mountpoint == NULL) { 970 if (altroot != NULL) 971 (void) snprintf(buf, sizeof (buf), "%s/%s", 972 altroot, poolname); 973 else 974 (void) snprintf(buf, sizeof (buf), "/%s", 975 poolname); 976 } else { 977 if (altroot != NULL) 978 (void) snprintf(buf, sizeof (buf), "%s%s", 979 altroot, mountpoint); 980 else 981 (void) snprintf(buf, sizeof (buf), "%s", 982 mountpoint); 983 } 984 985 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 986 (void) fprintf(stderr, gettext("mountpoint '%s' : " 987 "%s\n"), buf, strerror(errno)); 988 (void) fprintf(stderr, gettext("use '-m' " 989 "option to provide a different default\n")); 990 goto errout; 991 } else if (dirp) { 992 int count = 0; 993 994 while (count < 3 && readdir(dirp) != NULL) 995 count++; 996 (void) closedir(dirp); 997 998 if (count > 2) { 999 (void) fprintf(stderr, gettext("mountpoint " 1000 "'%s' exists and is not empty\n"), buf); 1001 (void) fprintf(stderr, gettext("use '-m' " 1002 "option to provide a " 1003 "different default\n")); 1004 goto errout; 1005 } 1006 } 1007 } 1008 1009 /* 1010 * Now that the mountpoint's validity has been checked, ensure that 1011 * the property is set appropriately prior to creating the pool. 1012 */ 1013 if (mountpoint != NULL) { 1014 ret = add_prop_list(zfs_prop_to_name(ZFS_PROP_MOUNTPOINT), 1015 mountpoint, &fsprops, B_FALSE); 1016 if (ret != 0) 1017 goto errout; 1018 } 1019 1020 ret = 1; 1021 if (dryrun) { 1022 /* 1023 * For a dry run invocation, print out a basic message and run 1024 * through all the vdevs in the list and print out in an 1025 * appropriate hierarchy. 1026 */ 1027 (void) printf(gettext("would create '%s' with the " 1028 "following layout:\n\n"), poolname); 1029 1030 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 1031 if (num_logs(nvroot) > 0) 1032 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 1033 1034 ret = 0; 1035 } else { 1036 /* 1037 * Hand off to libzfs. 1038 */ 1039 if (enable_all_pool_feat) { 1040 spa_feature_t i; 1041 for (i = 0; i < SPA_FEATURES; i++) { 1042 char propname[MAXPATHLEN]; 1043 zfeature_info_t *feat = &spa_feature_table[i]; 1044 1045 (void) snprintf(propname, sizeof (propname), 1046 "feature@%s", feat->fi_uname); 1047 1048 /* 1049 * Skip feature if user specified it manually 1050 * on the command line. 1051 */ 1052 if (nvlist_exists(props, propname)) 1053 continue; 1054 1055 ret = add_prop_list(propname, 1056 ZFS_FEATURE_ENABLED, &props, B_TRUE); 1057 if (ret != 0) 1058 goto errout; 1059 } 1060 } 1061 1062 ret = 1; 1063 if (zpool_create(g_zfs, poolname, 1064 nvroot, props, fsprops) == 0) { 1065 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 1066 ZFS_TYPE_FILESYSTEM); 1067 if (pool != NULL) { 1068 if (zfs_mount(pool, NULL, 0) == 0) 1069 ret = zfs_shareall(pool); 1070 zfs_close(pool); 1071 } 1072 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 1073 (void) fprintf(stderr, gettext("pool name may have " 1074 "been omitted\n")); 1075 } 1076 } 1077 1078errout: 1079 nvlist_free(nvroot); 1080 nvlist_free(fsprops); 1081 nvlist_free(props); 1082 return (ret); 1083badusage: 1084 nvlist_free(fsprops); 1085 nvlist_free(props); 1086 usage(B_FALSE); 1087 return (2); 1088} 1089 1090/* 1091 * zpool destroy <pool> 1092 * 1093 * -f Forcefully unmount any datasets 1094 * 1095 * Destroy the given pool. Automatically unmounts any datasets in the pool. 1096 */ 1097int 1098zpool_do_destroy(int argc, char **argv) 1099{ 1100 boolean_t force = B_FALSE; 1101 int c; 1102 char *pool; 1103 zpool_handle_t *zhp; 1104 int ret; 1105 1106 /* check options */ 1107 while ((c = getopt(argc, argv, "f")) != -1) { 1108 switch (c) { 1109 case 'f': 1110 force = B_TRUE; 1111 break; 1112 case '?': 1113 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1114 optopt); 1115 usage(B_FALSE); 1116 } 1117 } 1118 1119 argc -= optind; 1120 argv += optind; 1121 1122 /* check arguments */ 1123 if (argc < 1) { 1124 (void) fprintf(stderr, gettext("missing pool argument\n")); 1125 usage(B_FALSE); 1126 } 1127 if (argc > 1) { 1128 (void) fprintf(stderr, gettext("too many arguments\n")); 1129 usage(B_FALSE); 1130 } 1131 1132 pool = argv[0]; 1133 1134 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 1135 /* 1136 * As a special case, check for use of '/' in the name, and 1137 * direct the user to use 'zfs destroy' instead. 1138 */ 1139 if (strchr(pool, '/') != NULL) 1140 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 1141 "destroy a dataset\n")); 1142 return (1); 1143 } 1144 1145 if (zpool_disable_datasets(zhp, force) != 0) { 1146 (void) fprintf(stderr, gettext("could not destroy '%s': " 1147 "could not unmount datasets\n"), zpool_get_name(zhp)); 1148 return (1); 1149 } 1150 1151 /* The history must be logged as part of the export */ 1152 log_history = B_FALSE; 1153 1154 ret = (zpool_destroy(zhp, history_str) != 0); 1155 1156 zpool_close(zhp); 1157 1158 return (ret); 1159} 1160 1161/* 1162 * zpool export [-f] <pool> ... 1163 * 1164 * -f Forcefully unmount datasets 1165 * 1166 * Export the given pools. By default, the command will attempt to cleanly 1167 * unmount any active datasets within the pool. If the '-f' flag is specified, 1168 * then the datasets will be forcefully unmounted. 1169 */ 1170int 1171zpool_do_export(int argc, char **argv) 1172{ 1173 boolean_t force = B_FALSE; 1174 boolean_t hardforce = B_FALSE; 1175 int c; 1176 zpool_handle_t *zhp; 1177 int ret; 1178 int i; 1179 1180 /* check options */ 1181 while ((c = getopt(argc, argv, "fF")) != -1) { 1182 switch (c) { 1183 case 'f': 1184 force = B_TRUE; 1185 break; 1186 case 'F': 1187 hardforce = B_TRUE; 1188 break; 1189 case '?': 1190 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1191 optopt); 1192 usage(B_FALSE); 1193 } 1194 } 1195 1196 argc -= optind; 1197 argv += optind; 1198 1199 /* check arguments */ 1200 if (argc < 1) { 1201 (void) fprintf(stderr, gettext("missing pool argument\n")); 1202 usage(B_FALSE); 1203 } 1204 1205 ret = 0; 1206 for (i = 0; i < argc; i++) { 1207 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 1208 ret = 1; 1209 continue; 1210 } 1211 1212 if (zpool_disable_datasets(zhp, force) != 0) { 1213 ret = 1; 1214 zpool_close(zhp); 1215 continue; 1216 } 1217 1218 /* The history must be logged as part of the export */ 1219 log_history = B_FALSE; 1220 1221 if (hardforce) { 1222 if (zpool_export_force(zhp, history_str) != 0) 1223 ret = 1; 1224 } else if (zpool_export(zhp, force, history_str) != 0) { 1225 ret = 1; 1226 } 1227 1228 zpool_close(zhp); 1229 } 1230 1231 return (ret); 1232} 1233 1234/* 1235 * Given a vdev configuration, determine the maximum width needed for the device 1236 * name column. 1237 */ 1238static int 1239max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 1240{ 1241 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 1242 nvlist_t **child; 1243 uint_t c, children; 1244 int ret; 1245 1246 if (strlen(name) + depth > max) 1247 max = strlen(name) + depth; 1248 1249 free(name); 1250 1251 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1252 &child, &children) == 0) { 1253 for (c = 0; c < children; c++) 1254 if ((ret = max_width(zhp, child[c], depth + 2, 1255 max)) > max) 1256 max = ret; 1257 } 1258 1259 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1260 &child, &children) == 0) { 1261 for (c = 0; c < children; c++) 1262 if ((ret = max_width(zhp, child[c], depth + 2, 1263 max)) > max) 1264 max = ret; 1265 } 1266 1267 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1268 &child, &children) == 0) { 1269 for (c = 0; c < children; c++) 1270 if ((ret = max_width(zhp, child[c], depth + 2, 1271 max)) > max) 1272 max = ret; 1273 } 1274 1275 1276 return (max); 1277} 1278 1279typedef struct spare_cbdata { 1280 uint64_t cb_guid; 1281 zpool_handle_t *cb_zhp; 1282} spare_cbdata_t; 1283 1284static boolean_t 1285find_vdev(nvlist_t *nv, uint64_t search) 1286{ 1287 uint64_t guid; 1288 nvlist_t **child; 1289 uint_t c, children; 1290 1291 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1292 search == guid) 1293 return (B_TRUE); 1294 1295 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1296 &child, &children) == 0) { 1297 for (c = 0; c < children; c++) 1298 if (find_vdev(child[c], search)) 1299 return (B_TRUE); 1300 } 1301 1302 return (B_FALSE); 1303} 1304 1305static int 1306find_spare(zpool_handle_t *zhp, void *data) 1307{ 1308 spare_cbdata_t *cbp = data; 1309 nvlist_t *config, *nvroot; 1310 1311 config = zpool_get_config(zhp, NULL); 1312 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1313 &nvroot) == 0); 1314 1315 if (find_vdev(nvroot, cbp->cb_guid)) { 1316 cbp->cb_zhp = zhp; 1317 return (1); 1318 } 1319 1320 zpool_close(zhp); 1321 return (0); 1322} 1323 1324/* 1325 * Print out configuration state as requested by status_callback. 1326 */ 1327void 1328print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1329 int namewidth, int depth, boolean_t isspare) 1330{ 1331 nvlist_t **child; 1332 uint_t c, vsc, children; 1333 pool_scan_stat_t *ps = NULL; 1334 vdev_stat_t *vs; 1335 char rbuf[6], wbuf[6], cbuf[6]; 1336 char *vname; 1337 uint64_t notpresent; 1338 uint64_t ashift; 1339 spare_cbdata_t cb; 1340 const char *state; 1341 1342 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1343 &child, &children) != 0) 1344 children = 0; 1345 1346 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1347 (uint64_t **)&vs, &vsc) == 0); 1348 1349 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1350 if (isspare) { 1351 /* 1352 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1353 * online drives. 1354 */ 1355 if (vs->vs_aux == VDEV_AUX_SPARED) 1356 state = "INUSE"; 1357 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1358 state = "AVAIL"; 1359 } 1360 1361 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1362 name, state); 1363 1364 if (!isspare) { 1365 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1366 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1367 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1368 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1369 } 1370 1371 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1372 ¬present) == 0 || 1373 vs->vs_state <= VDEV_STATE_CANT_OPEN) { 1374 char *path; 1375 if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) 1376 (void) printf(" was %s", path); 1377 } else if (vs->vs_aux != 0) { 1378 (void) printf(" "); 1379 1380 switch (vs->vs_aux) { 1381 case VDEV_AUX_OPEN_FAILED: 1382 (void) printf(gettext("cannot open")); 1383 break; 1384 1385 case VDEV_AUX_BAD_GUID_SUM: 1386 (void) printf(gettext("missing device")); 1387 break; 1388 1389 case VDEV_AUX_NO_REPLICAS: 1390 (void) printf(gettext("insufficient replicas")); 1391 break; 1392 1393 case VDEV_AUX_VERSION_NEWER: 1394 (void) printf(gettext("newer version")); 1395 break; 1396 1397 case VDEV_AUX_UNSUP_FEAT: 1398 (void) printf(gettext("unsupported feature(s)")); 1399 break; 1400 1401 case VDEV_AUX_ASHIFT_TOO_BIG: 1402 (void) printf(gettext("unsupported minimum blocksize")); 1403 break; 1404 1405 case VDEV_AUX_SPARED: 1406 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1407 &cb.cb_guid) == 0); 1408 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1409 if (strcmp(zpool_get_name(cb.cb_zhp), 1410 zpool_get_name(zhp)) == 0) 1411 (void) printf(gettext("currently in " 1412 "use")); 1413 else 1414 (void) printf(gettext("in use by " 1415 "pool '%s'"), 1416 zpool_get_name(cb.cb_zhp)); 1417 zpool_close(cb.cb_zhp); 1418 } else { 1419 (void) printf(gettext("currently in use")); 1420 } 1421 break; 1422 1423 case VDEV_AUX_ERR_EXCEEDED: 1424 (void) printf(gettext("too many errors")); 1425 break; 1426 1427 case VDEV_AUX_IO_FAILURE: 1428 (void) printf(gettext("experienced I/O failures")); 1429 break; 1430 1431 case VDEV_AUX_BAD_LOG: 1432 (void) printf(gettext("bad intent log")); 1433 break; 1434 1435 case VDEV_AUX_EXTERNAL: 1436 (void) printf(gettext("external device fault")); 1437 break; 1438 1439 case VDEV_AUX_SPLIT_POOL: 1440 (void) printf(gettext("split into new pool")); 1441 break; 1442 1443 default: 1444 (void) printf(gettext("corrupted data")); 1445 break; 1446 } 1447 } else if (children == 0 && !isspare && 1448 VDEV_STAT_VALID(vs_physical_ashift, vsc) && 1449 vs->vs_configured_ashift < vs->vs_physical_ashift) { 1450 (void) printf( 1451 gettext(" block size: %dB configured, %dB native"), 1452 1 << vs->vs_configured_ashift, 1 << vs->vs_physical_ashift); 1453 } 1454 1455 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1456 (uint64_t **)&ps, &c); 1457 1458 if (ps && ps->pss_state == DSS_SCANNING && 1459 vs->vs_scan_processed != 0 && children == 0) { 1460 (void) printf(gettext(" (%s)"), 1461 (ps->pss_func == POOL_SCAN_RESILVER) ? 1462 "resilvering" : "repairing"); 1463 } 1464 1465 (void) printf("\n"); 1466 1467 for (c = 0; c < children; c++) { 1468 uint64_t islog = B_FALSE, ishole = B_FALSE; 1469 1470 /* Don't print logs or holes here */ 1471 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1472 &islog); 1473 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1474 &ishole); 1475 if (islog || ishole) 1476 continue; 1477 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1478 print_status_config(zhp, vname, child[c], 1479 namewidth, depth + 2, isspare); 1480 free(vname); 1481 } 1482} 1483 1484 1485/* 1486 * Print the configuration of an exported pool. Iterate over all vdevs in the 1487 * pool, printing out the name and status for each one. 1488 */ 1489void 1490print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1491{ 1492 nvlist_t **child; 1493 uint_t c, children; 1494 vdev_stat_t *vs; 1495 char *type, *vname; 1496 1497 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1498 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1499 strcmp(type, VDEV_TYPE_HOLE) == 0) 1500 return; 1501 1502 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1503 (uint64_t **)&vs, &c) == 0); 1504 1505 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1506 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1507 1508 if (vs->vs_aux != 0) { 1509 (void) printf(" "); 1510 1511 switch (vs->vs_aux) { 1512 case VDEV_AUX_OPEN_FAILED: 1513 (void) printf(gettext("cannot open")); 1514 break; 1515 1516 case VDEV_AUX_BAD_GUID_SUM: 1517 (void) printf(gettext("missing device")); 1518 break; 1519 1520 case VDEV_AUX_NO_REPLICAS: 1521 (void) printf(gettext("insufficient replicas")); 1522 break; 1523 1524 case VDEV_AUX_VERSION_NEWER: 1525 (void) printf(gettext("newer version")); 1526 break; 1527 1528 case VDEV_AUX_UNSUP_FEAT: 1529 (void) printf(gettext("unsupported feature(s)")); 1530 break; 1531 1532 case VDEV_AUX_ERR_EXCEEDED: 1533 (void) printf(gettext("too many errors")); 1534 break; 1535 1536 default: 1537 (void) printf(gettext("corrupted data")); 1538 break; 1539 } 1540 } 1541 (void) printf("\n"); 1542 1543 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1544 &child, &children) != 0) 1545 return; 1546 1547 for (c = 0; c < children; c++) { 1548 uint64_t is_log = B_FALSE; 1549 1550 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1551 &is_log); 1552 if (is_log) 1553 continue; 1554 1555 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1556 print_import_config(vname, child[c], namewidth, depth + 2); 1557 free(vname); 1558 } 1559 1560 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1561 &child, &children) == 0) { 1562 (void) printf(gettext("\tcache\n")); 1563 for (c = 0; c < children; c++) { 1564 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1565 (void) printf("\t %s\n", vname); 1566 free(vname); 1567 } 1568 } 1569 1570 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1571 &child, &children) == 0) { 1572 (void) printf(gettext("\tspares\n")); 1573 for (c = 0; c < children; c++) { 1574 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1575 (void) printf("\t %s\n", vname); 1576 free(vname); 1577 } 1578 } 1579} 1580 1581/* 1582 * Print log vdevs. 1583 * Logs are recorded as top level vdevs in the main pool child array 1584 * but with "is_log" set to 1. We use either print_status_config() or 1585 * print_import_config() to print the top level logs then any log 1586 * children (eg mirrored slogs) are printed recursively - which 1587 * works because only the top level vdev is marked "is_log" 1588 */ 1589static void 1590print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1591{ 1592 uint_t c, children; 1593 nvlist_t **child; 1594 1595 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1596 &children) != 0) 1597 return; 1598 1599 (void) printf(gettext("\tlogs\n")); 1600 1601 for (c = 0; c < children; c++) { 1602 uint64_t is_log = B_FALSE; 1603 char *name; 1604 1605 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1606 &is_log); 1607 if (!is_log) 1608 continue; 1609 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1610 if (verbose) 1611 print_status_config(zhp, name, child[c], namewidth, 1612 2, B_FALSE); 1613 else 1614 print_import_config(name, child[c], namewidth, 2); 1615 free(name); 1616 } 1617} 1618 1619/* 1620 * Display the status for the given pool. 1621 */ 1622static void 1623show_import(nvlist_t *config) 1624{ 1625 uint64_t pool_state; 1626 vdev_stat_t *vs; 1627 char *name; 1628 uint64_t guid; 1629 char *msgid; 1630 nvlist_t *nvroot; 1631 int reason; 1632 const char *health; 1633 uint_t vsc; 1634 int namewidth; 1635 char *comment; 1636 1637 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1638 &name) == 0); 1639 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1640 &guid) == 0); 1641 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1642 &pool_state) == 0); 1643 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1644 &nvroot) == 0); 1645 1646 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1647 (uint64_t **)&vs, &vsc) == 0); 1648 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1649 1650 reason = zpool_import_status(config, &msgid); 1651 1652 (void) printf(gettext(" pool: %s\n"), name); 1653 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1654 (void) printf(gettext(" state: %s"), health); 1655 if (pool_state == POOL_STATE_DESTROYED) 1656 (void) printf(gettext(" (DESTROYED)")); 1657 (void) printf("\n"); 1658 1659 switch (reason) { 1660 case ZPOOL_STATUS_MISSING_DEV_R: 1661 case ZPOOL_STATUS_MISSING_DEV_NR: 1662 case ZPOOL_STATUS_BAD_GUID_SUM: 1663 (void) printf(gettext(" status: One or more devices are " 1664 "missing from the system.\n")); 1665 break; 1666 1667 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1668 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1669 (void) printf(gettext(" status: One or more devices contains " 1670 "corrupted data.\n")); 1671 break; 1672 1673 case ZPOOL_STATUS_CORRUPT_DATA: 1674 (void) printf( 1675 gettext(" status: The pool data is corrupted.\n")); 1676 break; 1677 1678 case ZPOOL_STATUS_OFFLINE_DEV: 1679 (void) printf(gettext(" status: One or more devices " 1680 "are offlined.\n")); 1681 break; 1682 1683 case ZPOOL_STATUS_CORRUPT_POOL: 1684 (void) printf(gettext(" status: The pool metadata is " 1685 "corrupted.\n")); 1686 break; 1687 1688 case ZPOOL_STATUS_VERSION_OLDER: 1689 (void) printf(gettext(" status: The pool is formatted using a " 1690 "legacy on-disk version.\n")); 1691 break; 1692 1693 case ZPOOL_STATUS_VERSION_NEWER: 1694 (void) printf(gettext(" status: The pool is formatted using an " 1695 "incompatible version.\n")); 1696 break; 1697 1698 case ZPOOL_STATUS_FEAT_DISABLED: 1699 (void) printf(gettext(" status: Some supported features are " 1700 "not enabled on the pool.\n")); 1701 break; 1702 1703 case ZPOOL_STATUS_UNSUP_FEAT_READ: 1704 (void) printf(gettext("status: The pool uses the following " 1705 "feature(s) not supported on this sytem:\n")); 1706 zpool_print_unsup_feat(config); 1707 break; 1708 1709 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 1710 (void) printf(gettext("status: The pool can only be accessed " 1711 "in read-only mode on this system. It\n\tcannot be " 1712 "accessed in read-write mode because it uses the " 1713 "following\n\tfeature(s) not supported on this system:\n")); 1714 zpool_print_unsup_feat(config); 1715 break; 1716 1717 case ZPOOL_STATUS_HOSTID_MISMATCH: 1718 (void) printf(gettext(" status: The pool was last accessed by " 1719 "another system.\n")); 1720 break; 1721 1722 case ZPOOL_STATUS_FAULTED_DEV_R: 1723 case ZPOOL_STATUS_FAULTED_DEV_NR: 1724 (void) printf(gettext(" status: One or more devices are " 1725 "faulted.\n")); 1726 break; 1727 1728 case ZPOOL_STATUS_BAD_LOG: 1729 (void) printf(gettext(" status: An intent log record cannot be " 1730 "read.\n")); 1731 break; 1732 1733 case ZPOOL_STATUS_RESILVERING: 1734 (void) printf(gettext(" status: One or more devices were being " 1735 "resilvered.\n")); 1736 break; 1737 1738 case ZPOOL_STATUS_NON_NATIVE_ASHIFT: 1739 (void) printf(gettext("status: One or more devices were " 1740 "configured to use a non-native block size.\n" 1741 "\tExpect reduced performance.\n")); 1742 break; 1743 1744 default: 1745 /* 1746 * No other status can be seen when importing pools. 1747 */ 1748 assert(reason == ZPOOL_STATUS_OK); 1749 } 1750 1751 /* 1752 * Print out an action according to the overall state of the pool. 1753 */ 1754 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1755 if (reason == ZPOOL_STATUS_VERSION_OLDER || 1756 reason == ZPOOL_STATUS_FEAT_DISABLED) { 1757 (void) printf(gettext(" action: The pool can be " 1758 "imported using its name or numeric identifier, " 1759 "though\n\tsome features will not be available " 1760 "without an explicit 'zpool upgrade'.\n")); 1761 } else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) { 1762 (void) printf(gettext(" action: The pool can be " 1763 "imported using its name or numeric " 1764 "identifier and\n\tthe '-f' flag.\n")); 1765 } else { 1766 (void) printf(gettext(" action: The pool can be " 1767 "imported using its name or numeric " 1768 "identifier.\n")); 1769 } 1770 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1771 (void) printf(gettext(" action: The pool can be imported " 1772 "despite missing or damaged devices. The\n\tfault " 1773 "tolerance of the pool may be compromised if imported.\n")); 1774 } else { 1775 switch (reason) { 1776 case ZPOOL_STATUS_VERSION_NEWER: 1777 (void) printf(gettext(" action: The pool cannot be " 1778 "imported. Access the pool on a system running " 1779 "newer\n\tsoftware, or recreate the pool from " 1780 "backup.\n")); 1781 break; 1782 case ZPOOL_STATUS_UNSUP_FEAT_READ: 1783 (void) printf(gettext("action: The pool cannot be " 1784 "imported. Access the pool on a system that " 1785 "supports\n\tthe required feature(s), or recreate " 1786 "the pool from backup.\n")); 1787 break; 1788 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 1789 (void) printf(gettext("action: The pool cannot be " 1790 "imported in read-write mode. Import the pool " 1791 "with\n" 1792 "\t\"-o readonly=on\", access the pool on a system " 1793 "that supports the\n\trequired feature(s), or " 1794 "recreate the pool from backup.\n")); 1795 break; 1796 case ZPOOL_STATUS_MISSING_DEV_R: 1797 case ZPOOL_STATUS_MISSING_DEV_NR: 1798 case ZPOOL_STATUS_BAD_GUID_SUM: 1799 (void) printf(gettext(" action: The pool cannot be " 1800 "imported. Attach the missing\n\tdevices and try " 1801 "again.\n")); 1802 break; 1803 default: 1804 (void) printf(gettext(" action: The pool cannot be " 1805 "imported due to damaged devices or data.\n")); 1806 } 1807 } 1808 1809 /* Print the comment attached to the pool. */ 1810 if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0) 1811 (void) printf(gettext("comment: %s\n"), comment); 1812 1813 /* 1814 * If the state is "closed" or "can't open", and the aux state 1815 * is "corrupt data": 1816 */ 1817 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1818 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1819 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1820 if (pool_state == POOL_STATE_DESTROYED) 1821 (void) printf(gettext("\tThe pool was destroyed, " 1822 "but can be imported using the '-Df' flags.\n")); 1823 else if (pool_state != POOL_STATE_EXPORTED) 1824 (void) printf(gettext("\tThe pool may be active on " 1825 "another system, but can be imported using\n\t" 1826 "the '-f' flag.\n")); 1827 } 1828 1829 if (msgid != NULL) 1830 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"), 1831 msgid); 1832 1833 (void) printf(gettext(" config:\n\n")); 1834 1835 namewidth = max_width(NULL, nvroot, 0, 0); 1836 if (namewidth < 10) 1837 namewidth = 10; 1838 1839 print_import_config(name, nvroot, namewidth, 0); 1840 if (num_logs(nvroot) > 0) 1841 print_logs(NULL, nvroot, namewidth, B_FALSE); 1842 1843 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1844 (void) printf(gettext("\n\tAdditional devices are known to " 1845 "be part of this pool, though their\n\texact " 1846 "configuration cannot be determined.\n")); 1847 } 1848} 1849 1850/* 1851 * Perform the import for the given configuration. This passes the heavy 1852 * lifting off to zpool_import_props(), and then mounts the datasets contained 1853 * within the pool. 1854 */ 1855static int 1856do_import(nvlist_t *config, const char *newname, const char *mntopts, 1857 nvlist_t *props, int flags) 1858{ 1859 zpool_handle_t *zhp; 1860 char *name; 1861 uint64_t state; 1862 uint64_t version; 1863 1864 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1865 &name) == 0); 1866 1867 verify(nvlist_lookup_uint64(config, 1868 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1869 verify(nvlist_lookup_uint64(config, 1870 ZPOOL_CONFIG_VERSION, &version) == 0); 1871 if (!SPA_VERSION_IS_SUPPORTED(version)) { 1872 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1873 "is formatted using an unsupported ZFS version\n"), name); 1874 return (1); 1875 } else if (state != POOL_STATE_EXPORTED && 1876 !(flags & ZFS_IMPORT_ANY_HOST)) { 1877 uint64_t hostid; 1878 1879 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1880 &hostid) == 0) { 1881 if ((unsigned long)hostid != gethostid()) { 1882 char *hostname; 1883 uint64_t timestamp; 1884 time_t t; 1885 1886 verify(nvlist_lookup_string(config, 1887 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1888 verify(nvlist_lookup_uint64(config, 1889 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1890 t = timestamp; 1891 (void) fprintf(stderr, gettext("cannot import " 1892 "'%s': pool may be in use from other " 1893 "system, it was last accessed by %s " 1894 "(hostid: 0x%lx) on %s"), name, hostname, 1895 (unsigned long)hostid, 1896 asctime(localtime(&t))); 1897 (void) fprintf(stderr, gettext("use '-f' to " 1898 "import anyway\n")); 1899 return (1); 1900 } 1901 } else { 1902 (void) fprintf(stderr, gettext("cannot import '%s': " 1903 "pool may be in use from other system\n"), name); 1904 (void) fprintf(stderr, gettext("use '-f' to import " 1905 "anyway\n")); 1906 return (1); 1907 } 1908 } 1909 1910 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1911 return (1); 1912 1913 if (newname != NULL) 1914 name = (char *)newname; 1915 1916 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1917 return (1); 1918 1919 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1920 !(flags & ZFS_IMPORT_ONLY) && 1921 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1922 zpool_close(zhp); 1923 return (1); 1924 } 1925 1926 zpool_close(zhp); 1927 return (0); 1928} 1929 1930/* 1931 * zpool import [-d dir] [-D] 1932 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1933 * [-d dir | -c cachefile] [-f] -a 1934 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1935 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1936 * 1937 * -c Read pool information from a cachefile instead of searching 1938 * devices. 1939 * 1940 * -d Scan in a specific directory, other than /dev/dsk. More than 1941 * one directory can be specified using multiple '-d' options. 1942 * 1943 * -D Scan for previously destroyed pools or import all or only 1944 * specified destroyed pools. 1945 * 1946 * -R Temporarily import the pool, with all mountpoints relative to 1947 * the given root. The pool will remain exported when the machine 1948 * is rebooted. 1949 * 1950 * -V Import even in the presence of faulted vdevs. This is an 1951 * intentionally undocumented option for testing purposes, and 1952 * treats the pool configuration as complete, leaving any bad 1953 * vdevs in the FAULTED state. In other words, it does verbatim 1954 * import. 1955 * 1956 * -f Force import, even if it appears that the pool is active. 1957 * 1958 * -F Attempt rewind if necessary. 1959 * 1960 * -n See if rewind would work, but don't actually rewind. 1961 * 1962 * -N Import the pool but don't mount datasets. 1963 * 1964 * -T Specify a starting txg to use for import. This option is 1965 * intentionally undocumented option for testing purposes. 1966 * 1967 * -a Import all pools found. 1968 * 1969 * -o Set property=value and/or temporary mount options (without '='). 1970 * 1971 * The import command scans for pools to import, and import pools based on pool 1972 * name and GUID. The pool can also be renamed as part of the import process. 1973 */ 1974int 1975zpool_do_import(int argc, char **argv) 1976{ 1977 char **searchdirs = NULL; 1978 int nsearch = 0; 1979 int c; 1980 int err = 0; 1981 nvlist_t *pools = NULL; 1982 boolean_t do_all = B_FALSE; 1983 boolean_t do_destroyed = B_FALSE; 1984 char *mntopts = NULL; 1985 nvpair_t *elem; 1986 nvlist_t *config; 1987 uint64_t searchguid = 0; 1988 char *searchname = NULL; 1989 char *propval; 1990 nvlist_t *found_config; 1991 nvlist_t *policy = NULL; 1992 nvlist_t *props = NULL; 1993 boolean_t first; 1994 int flags = ZFS_IMPORT_NORMAL; 1995 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1996 boolean_t dryrun = B_FALSE; 1997 boolean_t do_rewind = B_FALSE; 1998 boolean_t xtreme_rewind = B_FALSE; 1999 uint64_t pool_state, txg = -1ULL; 2000 char *cachefile = NULL; 2001 importargs_t idata = { 0 }; 2002 char *endptr; 2003 2004 /* check options */ 2005 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:R:T:VX")) != -1) { 2006 switch (c) { 2007 case 'a': 2008 do_all = B_TRUE; 2009 break; 2010 case 'c': 2011 cachefile = optarg; 2012 break; 2013 case 'd': 2014 if (searchdirs == NULL) { 2015 searchdirs = safe_malloc(sizeof (char *)); 2016 } else { 2017 char **tmp = safe_malloc((nsearch + 1) * 2018 sizeof (char *)); 2019 bcopy(searchdirs, tmp, nsearch * 2020 sizeof (char *)); 2021 free(searchdirs); 2022 searchdirs = tmp; 2023 } 2024 searchdirs[nsearch++] = optarg; 2025 break; 2026 case 'D': 2027 do_destroyed = B_TRUE; 2028 break; 2029 case 'f': 2030 flags |= ZFS_IMPORT_ANY_HOST; 2031 break; 2032 case 'F': 2033 do_rewind = B_TRUE; 2034 break; 2035 case 'm': 2036 flags |= ZFS_IMPORT_MISSING_LOG; 2037 break; 2038 case 'n': 2039 dryrun = B_TRUE; 2040 break; 2041 case 'N': 2042 flags |= ZFS_IMPORT_ONLY; 2043 break; 2044 case 'o': 2045 if ((propval = strchr(optarg, '=')) != NULL) { 2046 *propval = '\0'; 2047 propval++; 2048 if (add_prop_list(optarg, propval, 2049 &props, B_TRUE)) 2050 goto error; 2051 } else { 2052 mntopts = optarg; 2053 } 2054 break; 2055 case 'R': 2056 if (add_prop_list(zpool_prop_to_name( 2057 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 2058 goto error; 2059 if (nvlist_lookup_string(props, 2060 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 2061 &propval) == 0) 2062 break; 2063 if (add_prop_list(zpool_prop_to_name( 2064 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 2065 goto error; 2066 break; 2067 case 'T': 2068 errno = 0; 2069 txg = strtoull(optarg, &endptr, 0); 2070 if (errno != 0 || *endptr != '\0') { 2071 (void) fprintf(stderr, 2072 gettext("invalid txg value\n")); 2073 usage(B_FALSE); 2074 } 2075 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 2076 break; 2077 case 'V': 2078 flags |= ZFS_IMPORT_VERBATIM; 2079 break; 2080 case 'X': 2081 xtreme_rewind = B_TRUE; 2082 break; 2083 case ':': 2084 (void) fprintf(stderr, gettext("missing argument for " 2085 "'%c' option\n"), optopt); 2086 usage(B_FALSE); 2087 break; 2088 case '?': 2089 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2090 optopt); 2091 usage(B_FALSE); 2092 } 2093 } 2094 2095 argc -= optind; 2096 argv += optind; 2097 2098 if (cachefile && nsearch != 0) { 2099 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 2100 usage(B_FALSE); 2101 } 2102 2103 if ((dryrun || xtreme_rewind) && !do_rewind) { 2104 (void) fprintf(stderr, 2105 gettext("-n or -X only meaningful with -F\n")); 2106 usage(B_FALSE); 2107 } 2108 if (dryrun) 2109 rewind_policy = ZPOOL_TRY_REWIND; 2110 else if (do_rewind) 2111 rewind_policy = ZPOOL_DO_REWIND; 2112 if (xtreme_rewind) 2113 rewind_policy |= ZPOOL_EXTREME_REWIND; 2114 2115 /* In the future, we can capture further policy and include it here */ 2116 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 2117 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 2118 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 2119 goto error; 2120 2121 if (searchdirs == NULL) { 2122 searchdirs = safe_malloc(sizeof (char *)); 2123 searchdirs[0] = "/dev"; 2124 nsearch = 1; 2125 } 2126 2127 /* check argument count */ 2128 if (do_all) { 2129 if (argc != 0) { 2130 (void) fprintf(stderr, gettext("too many arguments\n")); 2131 usage(B_FALSE); 2132 } 2133 } else { 2134 if (argc > 2) { 2135 (void) fprintf(stderr, gettext("too many arguments\n")); 2136 usage(B_FALSE); 2137 } 2138 2139 /* 2140 * Check for the SYS_CONFIG privilege. We do this explicitly 2141 * here because otherwise any attempt to discover pools will 2142 * silently fail. 2143 */ 2144 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 2145 (void) fprintf(stderr, gettext("cannot " 2146 "discover pools: permission denied\n")); 2147 free(searchdirs); 2148 nvlist_free(policy); 2149 return (1); 2150 } 2151 } 2152 2153 /* 2154 * Depending on the arguments given, we do one of the following: 2155 * 2156 * <none> Iterate through all pools and display information about 2157 * each one. 2158 * 2159 * -a Iterate through all pools and try to import each one. 2160 * 2161 * <id> Find the pool that corresponds to the given GUID/pool 2162 * name and import that one. 2163 * 2164 * -D Above options applies only to destroyed pools. 2165 */ 2166 if (argc != 0) { 2167 char *endptr; 2168 2169 errno = 0; 2170 searchguid = strtoull(argv[0], &endptr, 10); 2171 if (errno != 0 || *endptr != '\0') { 2172 searchname = argv[0]; 2173 searchguid = 0; 2174 } 2175 found_config = NULL; 2176 2177 /* 2178 * User specified a name or guid. Ensure it's unique. 2179 */ 2180 idata.unique = B_TRUE; 2181 } 2182 2183 2184 idata.path = searchdirs; 2185 idata.paths = nsearch; 2186 idata.poolname = searchname; 2187 idata.guid = searchguid; 2188 idata.cachefile = cachefile; 2189 2190 pools = zpool_search_import(g_zfs, &idata); 2191 2192 if (pools != NULL && idata.exists && 2193 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 2194 (void) fprintf(stderr, gettext("cannot import '%s': " 2195 "a pool with that name already exists\n"), 2196 argv[0]); 2197 (void) fprintf(stderr, gettext("use the form '%s " 2198 "<pool | id> <newpool>' to give it a new name\n"), 2199 "zpool import"); 2200 err = 1; 2201 } else if (pools == NULL && idata.exists) { 2202 (void) fprintf(stderr, gettext("cannot import '%s': " 2203 "a pool with that name is already created/imported,\n"), 2204 argv[0]); 2205 (void) fprintf(stderr, gettext("and no additional pools " 2206 "with that name were found\n")); 2207 err = 1; 2208 } else if (pools == NULL) { 2209 if (argc != 0) { 2210 (void) fprintf(stderr, gettext("cannot import '%s': " 2211 "no such pool available\n"), argv[0]); 2212 } 2213 err = 1; 2214 } 2215 2216 if (err == 1) { 2217 free(searchdirs); 2218 nvlist_free(policy); 2219 return (1); 2220 } 2221 2222 /* 2223 * At this point we have a list of import candidate configs. Even if 2224 * we were searching by pool name or guid, we still need to 2225 * post-process the list to deal with pool state and possible 2226 * duplicate names. 2227 */ 2228 err = 0; 2229 elem = NULL; 2230 first = B_TRUE; 2231 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2232 2233 verify(nvpair_value_nvlist(elem, &config) == 0); 2234 2235 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 2236 &pool_state) == 0); 2237 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 2238 continue; 2239 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 2240 continue; 2241 2242 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 2243 policy) == 0); 2244 2245 if (argc == 0) { 2246 if (first) 2247 first = B_FALSE; 2248 else if (!do_all) 2249 (void) printf("\n"); 2250 2251 if (do_all) { 2252 err |= do_import(config, NULL, mntopts, 2253 props, flags); 2254 } else { 2255 show_import(config); 2256 } 2257 } else if (searchname != NULL) { 2258 char *name; 2259 2260 /* 2261 * We are searching for a pool based on name. 2262 */ 2263 verify(nvlist_lookup_string(config, 2264 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 2265 2266 if (strcmp(name, searchname) == 0) { 2267 if (found_config != NULL) { 2268 (void) fprintf(stderr, gettext( 2269 "cannot import '%s': more than " 2270 "one matching pool\n"), searchname); 2271 (void) fprintf(stderr, gettext( 2272 "import by numeric ID instead\n")); 2273 err = B_TRUE; 2274 } 2275 found_config = config; 2276 } 2277 } else { 2278 uint64_t guid; 2279 2280 /* 2281 * Search for a pool by guid. 2282 */ 2283 verify(nvlist_lookup_uint64(config, 2284 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 2285 2286 if (guid == searchguid) 2287 found_config = config; 2288 } 2289 } 2290 2291 /* 2292 * If we were searching for a specific pool, verify that we found a 2293 * pool, and then do the import. 2294 */ 2295 if (argc != 0 && err == 0) { 2296 if (found_config == NULL) { 2297 (void) fprintf(stderr, gettext("cannot import '%s': " 2298 "no such pool available\n"), argv[0]); 2299 err = B_TRUE; 2300 } else { 2301 err |= do_import(found_config, argc == 1 ? NULL : 2302 argv[1], mntopts, props, flags); 2303 } 2304 } 2305 2306 /* 2307 * If we were just looking for pools, report an error if none were 2308 * found. 2309 */ 2310 if (argc == 0 && first) 2311 (void) fprintf(stderr, 2312 gettext("no pools available to import\n")); 2313 2314error: 2315 nvlist_free(props); 2316 nvlist_free(pools); 2317 nvlist_free(policy); 2318 free(searchdirs); 2319 2320 return (err ? 1 : 0); 2321} 2322 2323typedef struct iostat_cbdata { 2324 boolean_t cb_verbose; 2325 int cb_namewidth; 2326 int cb_iteration; 2327 zpool_list_t *cb_list; 2328} iostat_cbdata_t; 2329 2330static void 2331print_iostat_separator(iostat_cbdata_t *cb) 2332{ 2333 int i = 0; 2334 2335 for (i = 0; i < cb->cb_namewidth; i++) 2336 (void) printf("-"); 2337 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 2338} 2339 2340static void 2341print_iostat_header(iostat_cbdata_t *cb) 2342{ 2343 (void) printf("%*s capacity operations bandwidth\n", 2344 cb->cb_namewidth, ""); 2345 (void) printf("%-*s alloc free read write read write\n", 2346 cb->cb_namewidth, "pool"); 2347 print_iostat_separator(cb); 2348} 2349 2350/* 2351 * Display a single statistic. 2352 */ 2353static void 2354print_one_stat(uint64_t value) 2355{ 2356 char buf[64]; 2357 2358 zfs_nicenum(value, buf, sizeof (buf)); 2359 (void) printf(" %5s", buf); 2360} 2361 2362/* 2363 * Print out all the statistics for the given vdev. This can either be the 2364 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2365 * is a verbose output, and we don't want to display the toplevel pool stats. 2366 */ 2367void 2368print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2369 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2370{ 2371 nvlist_t **oldchild, **newchild; 2372 uint_t c, children; 2373 vdev_stat_t *oldvs, *newvs; 2374 vdev_stat_t zerovs = { 0 }; 2375 uint64_t tdelta; 2376 double scale; 2377 char *vname; 2378 2379 if (oldnv != NULL) { 2380 verify(nvlist_lookup_uint64_array(oldnv, 2381 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2382 } else { 2383 oldvs = &zerovs; 2384 } 2385 2386 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2387 (uint64_t **)&newvs, &c) == 0); 2388 2389 if (strlen(name) + depth > cb->cb_namewidth) 2390 (void) printf("%*s%s", depth, "", name); 2391 else 2392 (void) printf("%*s%s%*s", depth, "", name, 2393 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2394 2395 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2396 2397 if (tdelta == 0) 2398 scale = 1.0; 2399 else 2400 scale = (double)NANOSEC / tdelta; 2401 2402 /* only toplevel vdevs have capacity stats */ 2403 if (newvs->vs_space == 0) { 2404 (void) printf(" - -"); 2405 } else { 2406 print_one_stat(newvs->vs_alloc); 2407 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2408 } 2409 2410 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2411 oldvs->vs_ops[ZIO_TYPE_READ]))); 2412 2413 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2414 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2415 2416 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2417 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2418 2419 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2420 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2421 2422 (void) printf("\n"); 2423 2424 if (!cb->cb_verbose) 2425 return; 2426 2427 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2428 &newchild, &children) != 0) 2429 return; 2430 2431 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2432 &oldchild, &c) != 0) 2433 return; 2434 2435 for (c = 0; c < children; c++) { 2436 uint64_t ishole = B_FALSE, islog = B_FALSE; 2437 2438 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE, 2439 &ishole); 2440 2441 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG, 2442 &islog); 2443 2444 if (ishole || islog) 2445 continue; 2446 2447 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2448 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2449 newchild[c], cb, depth + 2); 2450 free(vname); 2451 } 2452 2453 /* 2454 * Log device section 2455 */ 2456 2457 if (num_logs(newnv) > 0) { 2458 (void) printf("%-*s - - - - - " 2459 "-\n", cb->cb_namewidth, "logs"); 2460 2461 for (c = 0; c < children; c++) { 2462 uint64_t islog = B_FALSE; 2463 (void) nvlist_lookup_uint64(newchild[c], 2464 ZPOOL_CONFIG_IS_LOG, &islog); 2465 2466 if (islog) { 2467 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2468 B_FALSE); 2469 print_vdev_stats(zhp, vname, oldnv ? 2470 oldchild[c] : NULL, newchild[c], 2471 cb, depth + 2); 2472 free(vname); 2473 } 2474 } 2475 2476 } 2477 2478 /* 2479 * Include level 2 ARC devices in iostat output 2480 */ 2481 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2482 &newchild, &children) != 0) 2483 return; 2484 2485 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2486 &oldchild, &c) != 0) 2487 return; 2488 2489 if (children > 0) { 2490 (void) printf("%-*s - - - - - " 2491 "-\n", cb->cb_namewidth, "cache"); 2492 for (c = 0; c < children; c++) { 2493 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2494 B_FALSE); 2495 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2496 newchild[c], cb, depth + 2); 2497 free(vname); 2498 } 2499 } 2500} 2501 2502static int 2503refresh_iostat(zpool_handle_t *zhp, void *data) 2504{ 2505 iostat_cbdata_t *cb = data; 2506 boolean_t missing; 2507 2508 /* 2509 * If the pool has disappeared, remove it from the list and continue. 2510 */ 2511 if (zpool_refresh_stats(zhp, &missing) != 0) 2512 return (-1); 2513 2514 if (missing) 2515 pool_list_remove(cb->cb_list, zhp); 2516 2517 return (0); 2518} 2519 2520/* 2521 * Callback to print out the iostats for the given pool. 2522 */ 2523int 2524print_iostat(zpool_handle_t *zhp, void *data) 2525{ 2526 iostat_cbdata_t *cb = data; 2527 nvlist_t *oldconfig, *newconfig; 2528 nvlist_t *oldnvroot, *newnvroot; 2529 2530 newconfig = zpool_get_config(zhp, &oldconfig); 2531 2532 if (cb->cb_iteration == 1) 2533 oldconfig = NULL; 2534 2535 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2536 &newnvroot) == 0); 2537 2538 if (oldconfig == NULL) 2539 oldnvroot = NULL; 2540 else 2541 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2542 &oldnvroot) == 0); 2543 2544 /* 2545 * Print out the statistics for the pool. 2546 */ 2547 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2548 2549 if (cb->cb_verbose) 2550 print_iostat_separator(cb); 2551 2552 return (0); 2553} 2554 2555int 2556get_namewidth(zpool_handle_t *zhp, void *data) 2557{ 2558 iostat_cbdata_t *cb = data; 2559 nvlist_t *config, *nvroot; 2560 2561 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2562 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2563 &nvroot) == 0); 2564 if (!cb->cb_verbose) 2565 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2566 else 2567 cb->cb_namewidth = max_width(zhp, nvroot, 0, 2568 cb->cb_namewidth); 2569 } 2570 2571 /* 2572 * The width must fall into the range [10,38]. The upper limit is the 2573 * maximum we can have and still fit in 80 columns. 2574 */ 2575 if (cb->cb_namewidth < 10) 2576 cb->cb_namewidth = 10; 2577 if (cb->cb_namewidth > 38) 2578 cb->cb_namewidth = 38; 2579 2580 return (0); 2581} 2582 2583/* 2584 * Parse the input string, get the 'interval' and 'count' value if there is one. 2585 */ 2586static void 2587get_interval_count(int *argcp, char **argv, unsigned long *iv, 2588 unsigned long *cnt) 2589{ 2590 unsigned long interval = 0, count = 0; 2591 int argc = *argcp, errno; 2592 2593 /* 2594 * Determine if the last argument is an integer or a pool name 2595 */ 2596 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2597 char *end; 2598 2599 errno = 0; 2600 interval = strtoul(argv[argc - 1], &end, 10); 2601 2602 if (*end == '\0' && errno == 0) { 2603 if (interval == 0) { 2604 (void) fprintf(stderr, gettext("interval " 2605 "cannot be zero\n")); 2606 usage(B_FALSE); 2607 } 2608 /* 2609 * Ignore the last parameter 2610 */ 2611 argc--; 2612 } else { 2613 /* 2614 * If this is not a valid number, just plow on. The 2615 * user will get a more informative error message later 2616 * on. 2617 */ 2618 interval = 0; 2619 } 2620 } 2621 2622 /* 2623 * If the last argument is also an integer, then we have both a count 2624 * and an interval. 2625 */ 2626 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2627 char *end; 2628 2629 errno = 0; 2630 count = interval; 2631 interval = strtoul(argv[argc - 1], &end, 10); 2632 2633 if (*end == '\0' && errno == 0) { 2634 if (interval == 0) { 2635 (void) fprintf(stderr, gettext("interval " 2636 "cannot be zero\n")); 2637 usage(B_FALSE); 2638 } 2639 2640 /* 2641 * Ignore the last parameter 2642 */ 2643 argc--; 2644 } else { 2645 interval = 0; 2646 } 2647 } 2648 2649 *iv = interval; 2650 *cnt = count; 2651 *argcp = argc; 2652} 2653 2654static void 2655get_timestamp_arg(char c) 2656{ 2657 if (c == 'u') 2658 timestamp_fmt = UDATE; 2659 else if (c == 'd') 2660 timestamp_fmt = DDATE; 2661 else 2662 usage(B_FALSE); 2663} 2664 2665/* 2666 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2667 * 2668 * -v Display statistics for individual vdevs 2669 * -T Display a timestamp in date(1) or Unix format 2670 * 2671 * This command can be tricky because we want to be able to deal with pool 2672 * creation/destruction as well as vdev configuration changes. The bulk of this 2673 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2674 * on pool_list_update() to detect the addition of new pools. Configuration 2675 * changes are all handled within libzfs. 2676 */ 2677int 2678zpool_do_iostat(int argc, char **argv) 2679{ 2680 int c; 2681 int ret; 2682 int npools; 2683 unsigned long interval = 0, count = 0; 2684 zpool_list_t *list; 2685 boolean_t verbose = B_FALSE; 2686 iostat_cbdata_t cb; 2687 2688 /* check options */ 2689 while ((c = getopt(argc, argv, "T:v")) != -1) { 2690 switch (c) { 2691 case 'T': 2692 get_timestamp_arg(*optarg); 2693 break; 2694 case 'v': 2695 verbose = B_TRUE; 2696 break; 2697 case '?': 2698 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2699 optopt); 2700 usage(B_FALSE); 2701 } 2702 } 2703 2704 argc -= optind; 2705 argv += optind; 2706 2707 get_interval_count(&argc, argv, &interval, &count); 2708 2709 /* 2710 * Construct the list of all interesting pools. 2711 */ 2712 ret = 0; 2713 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2714 return (1); 2715 2716 if (pool_list_count(list) == 0 && argc != 0) { 2717 pool_list_free(list); 2718 return (1); 2719 } 2720 2721 if (pool_list_count(list) == 0 && interval == 0) { 2722 pool_list_free(list); 2723 (void) fprintf(stderr, gettext("no pools available\n")); 2724 return (1); 2725 } 2726 2727 /* 2728 * Enter the main iostat loop. 2729 */ 2730 cb.cb_list = list; 2731 cb.cb_verbose = verbose; 2732 cb.cb_iteration = 0; 2733 cb.cb_namewidth = 0; 2734 2735 for (;;) { 2736 pool_list_update(list); 2737 2738 if ((npools = pool_list_count(list)) == 0) 2739 break; 2740 2741 /* 2742 * Refresh all statistics. This is done as an explicit step 2743 * before calculating the maximum name width, so that any 2744 * configuration changes are properly accounted for. 2745 */ 2746 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2747 2748 /* 2749 * Iterate over all pools to determine the maximum width 2750 * for the pool / device name column across all pools. 2751 */ 2752 cb.cb_namewidth = 0; 2753 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2754 2755 if (timestamp_fmt != NODATE) 2756 print_timestamp(timestamp_fmt); 2757 2758 /* 2759 * If it's the first time, or verbose mode, print the header. 2760 */ 2761 if (++cb.cb_iteration == 1 || verbose) 2762 print_iostat_header(&cb); 2763 2764 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2765 2766 /* 2767 * If there's more than one pool, and we're not in verbose mode 2768 * (which prints a separator for us), then print a separator. 2769 */ 2770 if (npools > 1 && !verbose) 2771 print_iostat_separator(&cb); 2772 2773 if (verbose) 2774 (void) printf("\n"); 2775 2776 /* 2777 * Flush the output so that redirection to a file isn't buffered 2778 * indefinitely. 2779 */ 2780 (void) fflush(stdout); 2781 2782 if (interval == 0) 2783 break; 2784 2785 if (count != 0 && --count == 0) 2786 break; 2787 2788 (void) sleep(interval); 2789 } 2790 2791 pool_list_free(list); 2792 2793 return (ret); 2794} 2795 2796typedef struct list_cbdata { 2797 boolean_t cb_verbose; 2798 int cb_namewidth; 2799 boolean_t cb_scripted; 2800 zprop_list_t *cb_proplist; 2801 boolean_t cb_literal; 2802} list_cbdata_t; 2803 2804/* 2805 * Given a list of columns to display, output appropriate headers for each one. 2806 */ 2807static void 2808print_header(list_cbdata_t *cb) 2809{ 2810 zprop_list_t *pl = cb->cb_proplist; 2811 char headerbuf[ZPOOL_MAXPROPLEN]; 2812 const char *header; 2813 boolean_t first = B_TRUE; 2814 boolean_t right_justify; 2815 size_t width = 0; 2816 2817 for (; pl != NULL; pl = pl->pl_next) { 2818 width = pl->pl_width; 2819 if (first && cb->cb_verbose) { 2820 /* 2821 * Reset the width to accommodate the verbose listing 2822 * of devices. 2823 */ 2824 width = cb->cb_namewidth; 2825 } 2826 2827 if (!first) 2828 (void) printf(" "); 2829 else 2830 first = B_FALSE; 2831 2832 right_justify = B_FALSE; 2833 if (pl->pl_prop != ZPROP_INVAL) { 2834 header = zpool_prop_column_name(pl->pl_prop); 2835 right_justify = zpool_prop_align_right(pl->pl_prop); 2836 } else { 2837 int i; 2838 2839 for (i = 0; pl->pl_user_prop[i] != '\0'; i++) 2840 headerbuf[i] = toupper(pl->pl_user_prop[i]); 2841 headerbuf[i] = '\0'; 2842 header = headerbuf; 2843 } 2844 2845 if (pl->pl_next == NULL && !right_justify) 2846 (void) printf("%s", header); 2847 else if (right_justify) 2848 (void) printf("%*s", width, header); 2849 else 2850 (void) printf("%-*s", width, header); 2851 2852 } 2853 2854 (void) printf("\n"); 2855} 2856 2857/* 2858 * Given a pool and a list of properties, print out all the properties according 2859 * to the described layout. 2860 */ 2861static void 2862print_pool(zpool_handle_t *zhp, list_cbdata_t *cb) 2863{ 2864 zprop_list_t *pl = cb->cb_proplist; 2865 boolean_t first = B_TRUE; 2866 char property[ZPOOL_MAXPROPLEN]; 2867 char *propstr; 2868 boolean_t right_justify; 2869 size_t width; 2870 2871 for (; pl != NULL; pl = pl->pl_next) { 2872 2873 width = pl->pl_width; 2874 if (first && cb->cb_verbose) { 2875 /* 2876 * Reset the width to accommodate the verbose listing 2877 * of devices. 2878 */ 2879 width = cb->cb_namewidth; 2880 } 2881 2882 if (!first) { 2883 if (cb->cb_scripted) 2884 (void) printf("\t"); 2885 else 2886 (void) printf(" "); 2887 } else { 2888 first = B_FALSE; 2889 } 2890 2891 right_justify = B_FALSE; 2892 if (pl->pl_prop != ZPROP_INVAL) { 2893 if (zpool_get_prop(zhp, pl->pl_prop, property, 2894 sizeof (property), NULL, cb->cb_literal) != 0) 2895 propstr = "-"; 2896 else 2897 propstr = property; 2898 2899 right_justify = zpool_prop_align_right(pl->pl_prop); 2900 } else if ((zpool_prop_feature(pl->pl_user_prop) || 2901 zpool_prop_unsupported(pl->pl_user_prop)) && 2902 zpool_prop_get_feature(zhp, pl->pl_user_prop, property, 2903 sizeof (property)) == 0) { 2904 propstr = property; 2905 } else { 2906 propstr = "-"; 2907 } 2908 2909 2910 /* 2911 * If this is being called in scripted mode, or if this is the 2912 * last column and it is left-justified, don't include a width 2913 * format specifier. 2914 */ 2915 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify)) 2916 (void) printf("%s", propstr); 2917 else if (right_justify) 2918 (void) printf("%*s", width, propstr); 2919 else 2920 (void) printf("%-*s", width, propstr); 2921 } 2922 2923 (void) printf("\n"); 2924} 2925 2926static void 2927print_one_column(zpool_prop_t prop, uint64_t value, boolean_t scripted, 2928 boolean_t valid) 2929{ 2930 char propval[64]; 2931 boolean_t fixed; 2932 size_t width = zprop_width(prop, &fixed, ZFS_TYPE_POOL); 2933 2934 switch (prop) { 2935 case ZPOOL_PROP_EXPANDSZ: 2936 if (value == 0) 2937 (void) strlcpy(propval, "-", sizeof (propval)); 2938 else 2939 zfs_nicenum(value, propval, sizeof (propval)); 2940 break; 2941 case ZPOOL_PROP_FRAGMENTATION: 2942 if (value == ZFS_FRAG_INVALID) { 2943 (void) strlcpy(propval, "-", sizeof (propval)); 2944 } else { 2945 (void) snprintf(propval, sizeof (propval), "%llu%%", 2946 value); 2947 } 2948 break; 2949 case ZPOOL_PROP_CAPACITY: 2950 (void) snprintf(propval, sizeof (propval), "%llu%%", value); 2951 break; 2952 default: 2953 zfs_nicenum(value, propval, sizeof (propval)); 2954 } 2955 2956 if (!valid) 2957 (void) strlcpy(propval, "-", sizeof (propval)); 2958 2959 if (scripted) 2960 (void) printf("\t%s", propval); 2961 else 2962 (void) printf(" %*s", width, propval); 2963} 2964 2965void 2966print_list_stats(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 2967 list_cbdata_t *cb, int depth) 2968{ 2969 nvlist_t **child; 2970 vdev_stat_t *vs; 2971 uint_t c, children; 2972 char *vname; 2973 boolean_t scripted = cb->cb_scripted; 2974 uint64_t islog = B_FALSE; 2975 boolean_t haslog = B_FALSE; 2976 char *dashes = "%-*s - - - - - -\n"; 2977 2978 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 2979 (uint64_t **)&vs, &c) == 0); 2980 2981 if (name != NULL) { 2982 boolean_t toplevel = (vs->vs_space != 0); 2983 uint64_t cap; 2984 2985 if (scripted) 2986 (void) printf("\t%s", name); 2987 else if (strlen(name) + depth > cb->cb_namewidth) 2988 (void) printf("%*s%s", depth, "", name); 2989 else 2990 (void) printf("%*s%s%*s", depth, "", name, 2991 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2992 2993 /* 2994 * Print the properties for the individual vdevs. Some 2995 * properties are only applicable to toplevel vdevs. The 2996 * 'toplevel' boolean value is passed to the print_one_column() 2997 * to indicate that the value is valid. 2998 */ 2999 print_one_column(ZPOOL_PROP_SIZE, vs->vs_space, scripted, 3000 toplevel); 3001 print_one_column(ZPOOL_PROP_ALLOCATED, vs->vs_alloc, scripted, 3002 toplevel); 3003 print_one_column(ZPOOL_PROP_FREE, vs->vs_space - vs->vs_alloc, 3004 scripted, toplevel); 3005 print_one_column(ZPOOL_PROP_EXPANDSZ, vs->vs_esize, scripted, 3006 B_TRUE); 3007 print_one_column(ZPOOL_PROP_FRAGMENTATION, 3008 vs->vs_fragmentation, scripted, 3009 (vs->vs_fragmentation != ZFS_FRAG_INVALID && toplevel)); 3010 cap = (vs->vs_space == 0) ? 0 : 3011 (vs->vs_alloc * 100 / vs->vs_space); 3012 print_one_column(ZPOOL_PROP_CAPACITY, cap, scripted, toplevel); 3013 (void) printf("\n"); 3014 } 3015 3016 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 3017 &child, &children) != 0) 3018 return; 3019 3020 for (c = 0; c < children; c++) { 3021 uint64_t ishole = B_FALSE; 3022 3023 if (nvlist_lookup_uint64(child[c], 3024 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 3025 continue; 3026 3027 if (nvlist_lookup_uint64(child[c], 3028 ZPOOL_CONFIG_IS_LOG, &islog) == 0 && islog) { 3029 haslog = B_TRUE; 3030 continue; 3031 } 3032 3033 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 3034 print_list_stats(zhp, vname, child[c], cb, depth + 2); 3035 free(vname); 3036 } 3037 3038 if (haslog == B_TRUE) { 3039 /* LINTED E_SEC_PRINTF_VAR_FMT */ 3040 (void) printf(dashes, cb->cb_namewidth, "log"); 3041 for (c = 0; c < children; c++) { 3042 if (nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 3043 &islog) != 0 || !islog) 3044 continue; 3045 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 3046 print_list_stats(zhp, vname, child[c], cb, depth + 2); 3047 free(vname); 3048 } 3049 } 3050 3051 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 3052 &child, &children) == 0 && children > 0) { 3053 /* LINTED E_SEC_PRINTF_VAR_FMT */ 3054 (void) printf(dashes, cb->cb_namewidth, "cache"); 3055 for (c = 0; c < children; c++) { 3056 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 3057 print_list_stats(zhp, vname, child[c], cb, depth + 2); 3058 free(vname); 3059 } 3060 } 3061 3062 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, &child, 3063 &children) == 0 && children > 0) { 3064 /* LINTED E_SEC_PRINTF_VAR_FMT */ 3065 (void) printf(dashes, cb->cb_namewidth, "spare"); 3066 for (c = 0; c < children; c++) { 3067 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 3068 print_list_stats(zhp, vname, child[c], cb, depth + 2); 3069 free(vname); 3070 } 3071 } 3072} 3073 3074 3075/* 3076 * Generic callback function to list a pool. 3077 */ 3078int 3079list_callback(zpool_handle_t *zhp, void *data) 3080{ 3081 list_cbdata_t *cbp = data; 3082 nvlist_t *config; 3083 nvlist_t *nvroot; 3084 3085 config = zpool_get_config(zhp, NULL); 3086 3087 print_pool(zhp, cbp); 3088 if (!cbp->cb_verbose) 3089 return (0); 3090 3091 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3092 &nvroot) == 0); 3093 print_list_stats(zhp, NULL, nvroot, cbp, 0); 3094 3095 return (0); 3096} 3097 3098/* 3099 * zpool list [-Hp] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 3100 * 3101 * -H Scripted mode. Don't display headers, and separate properties 3102 * by a single tab. 3103 * -o List of properties to display. Defaults to 3104 * "name,size,allocated,free,expandsize,fragmentation,capacity," 3105 * "dedupratio,health,altroot" 3106 * -p Diplay values in parsable (exact) format. 3107 * -T Display a timestamp in date(1) or Unix format 3108 * 3109 * List all pools in the system, whether or not they're healthy. Output space 3110 * statistics for each one, as well as health status summary. 3111 */ 3112int 3113zpool_do_list(int argc, char **argv) 3114{ 3115 int c; 3116 int ret; 3117 list_cbdata_t cb = { 0 }; 3118 static char default_props[] = 3119 "name,size,allocated,free,expandsize,fragmentation,capacity," 3120 "dedupratio,health,altroot"; 3121 char *props = default_props; 3122 unsigned long interval = 0, count = 0; 3123 zpool_list_t *list; 3124 boolean_t first = B_TRUE; 3125 3126 /* check options */ 3127 while ((c = getopt(argc, argv, ":Ho:pT:v")) != -1) { 3128 switch (c) { 3129 case 'H': 3130 cb.cb_scripted = B_TRUE; 3131 break; 3132 case 'o': 3133 props = optarg; 3134 break; 3135 case 'p': 3136 cb.cb_literal = B_TRUE; 3137 break; 3138 case 'T': 3139 get_timestamp_arg(*optarg); 3140 break; 3141 case 'v': 3142 cb.cb_verbose = B_TRUE; 3143 break; 3144 case ':': 3145 (void) fprintf(stderr, gettext("missing argument for " 3146 "'%c' option\n"), optopt); 3147 usage(B_FALSE); 3148 break; 3149 case '?': 3150 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3151 optopt); 3152 usage(B_FALSE); 3153 } 3154 } 3155 3156 argc -= optind; 3157 argv += optind; 3158 3159 get_interval_count(&argc, argv, &interval, &count); 3160 3161 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 3162 usage(B_FALSE); 3163 3164 for (;;) { 3165 if ((list = pool_list_get(argc, argv, &cb.cb_proplist, 3166 &ret)) == NULL) 3167 return (1); 3168 3169 if (pool_list_count(list) == 0) 3170 break; 3171 3172 cb.cb_namewidth = 0; 3173 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 3174 3175 if (timestamp_fmt != NODATE) 3176 print_timestamp(timestamp_fmt); 3177 3178 if (!cb.cb_scripted && (first || cb.cb_verbose)) { 3179 print_header(&cb); 3180 first = B_FALSE; 3181 } 3182 ret = pool_list_iter(list, B_TRUE, list_callback, &cb); 3183 3184 if (interval == 0) 3185 break; 3186 3187 if (count != 0 && --count == 0) 3188 break; 3189 3190 pool_list_free(list); 3191 (void) sleep(interval); 3192 } 3193 3194 if (argc == 0 && !cb.cb_scripted && pool_list_count(list) == 0) { 3195 (void) printf(gettext("no pools available\n")); 3196 ret = 0; 3197 } 3198 3199 pool_list_free(list); 3200 zprop_free_list(cb.cb_proplist); 3201 return (ret); 3202} 3203 3204static int 3205zpool_do_attach_or_replace(int argc, char **argv, int replacing) 3206{ 3207 boolean_t force = B_FALSE; 3208 int c; 3209 nvlist_t *nvroot; 3210 char *poolname, *old_disk, *new_disk; 3211 zpool_handle_t *zhp; 3212 int ret; 3213 3214 /* check options */ 3215 while ((c = getopt(argc, argv, "f")) != -1) { 3216 switch (c) { 3217 case 'f': 3218 force = B_TRUE; 3219 break; 3220 case '?': 3221 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3222 optopt); 3223 usage(B_FALSE); 3224 } 3225 } 3226 3227 argc -= optind; 3228 argv += optind; 3229 3230 /* get pool name and check number of arguments */ 3231 if (argc < 1) { 3232 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3233 usage(B_FALSE); 3234 } 3235 3236 poolname = argv[0]; 3237 3238 if (argc < 2) { 3239 (void) fprintf(stderr, 3240 gettext("missing <device> specification\n")); 3241 usage(B_FALSE); 3242 } 3243 3244 old_disk = argv[1]; 3245 3246 if (argc < 3) { 3247 if (!replacing) { 3248 (void) fprintf(stderr, 3249 gettext("missing <new_device> specification\n")); 3250 usage(B_FALSE); 3251 } 3252 new_disk = old_disk; 3253 argc -= 1; 3254 argv += 1; 3255 } else { 3256 new_disk = argv[2]; 3257 argc -= 2; 3258 argv += 2; 3259 } 3260 3261 if (argc > 1) { 3262 (void) fprintf(stderr, gettext("too many arguments\n")); 3263 usage(B_FALSE); 3264 } 3265 3266 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3267 return (1); 3268 3269 if (zpool_get_config(zhp, NULL) == NULL) { 3270 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 3271 poolname); 3272 zpool_close(zhp); 3273 return (1); 3274 } 3275 3276 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 3277 argc, argv); 3278 if (nvroot == NULL) { 3279 zpool_close(zhp); 3280 return (1); 3281 } 3282 3283 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 3284 3285 nvlist_free(nvroot); 3286 zpool_close(zhp); 3287 3288 return (ret); 3289} 3290 3291/* 3292 * zpool replace [-f] <pool> <device> <new_device> 3293 * 3294 * -f Force attach, even if <new_device> appears to be in use. 3295 * 3296 * Replace <device> with <new_device>. 3297 */ 3298/* ARGSUSED */ 3299int 3300zpool_do_replace(int argc, char **argv) 3301{ 3302 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 3303} 3304 3305/* 3306 * zpool attach [-f] <pool> <device> <new_device> 3307 * 3308 * -f Force attach, even if <new_device> appears to be in use. 3309 * 3310 * Attach <new_device> to the mirror containing <device>. If <device> is not 3311 * part of a mirror, then <device> will be transformed into a mirror of 3312 * <device> and <new_device>. In either case, <new_device> will begin life 3313 * with a DTL of [0, now], and will immediately begin to resilver itself. 3314 */ 3315int 3316zpool_do_attach(int argc, char **argv) 3317{ 3318 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 3319} 3320 3321/* 3322 * zpool detach [-f] <pool> <device> 3323 * 3324 * -f Force detach of <device>, even if DTLs argue against it 3325 * (not supported yet) 3326 * 3327 * Detach a device from a mirror. The operation will be refused if <device> 3328 * is the last device in the mirror, or if the DTLs indicate that this device 3329 * has the only valid copy of some data. 3330 */ 3331/* ARGSUSED */ 3332int 3333zpool_do_detach(int argc, char **argv) 3334{ 3335 int c; 3336 char *poolname, *path; 3337 zpool_handle_t *zhp; 3338 int ret; 3339 3340 /* check options */ 3341 while ((c = getopt(argc, argv, "f")) != -1) { 3342 switch (c) { 3343 case 'f': 3344 case '?': 3345 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3346 optopt); 3347 usage(B_FALSE); 3348 } 3349 } 3350 3351 argc -= optind; 3352 argv += optind; 3353 3354 /* get pool name and check number of arguments */ 3355 if (argc < 1) { 3356 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3357 usage(B_FALSE); 3358 } 3359 3360 if (argc < 2) { 3361 (void) fprintf(stderr, 3362 gettext("missing <device> specification\n")); 3363 usage(B_FALSE); 3364 } 3365 3366 poolname = argv[0]; 3367 path = argv[1]; 3368 3369 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3370 return (1); 3371 3372 ret = zpool_vdev_detach(zhp, path); 3373 3374 zpool_close(zhp); 3375 3376 return (ret); 3377} 3378 3379/* 3380 * zpool split [-n] [-o prop=val] ... 3381 * [-o mntopt] ... 3382 * [-R altroot] <pool> <newpool> [<device> ...] 3383 * 3384 * -n Do not split the pool, but display the resulting layout if 3385 * it were to be split. 3386 * -o Set property=value, or set mount options. 3387 * -R Mount the split-off pool under an alternate root. 3388 * 3389 * Splits the named pool and gives it the new pool name. Devices to be split 3390 * off may be listed, provided that no more than one device is specified 3391 * per top-level vdev mirror. The newly split pool is left in an exported 3392 * state unless -R is specified. 3393 * 3394 * Restrictions: the top-level of the pool pool must only be made up of 3395 * mirrors; all devices in the pool must be healthy; no device may be 3396 * undergoing a resilvering operation. 3397 */ 3398int 3399zpool_do_split(int argc, char **argv) 3400{ 3401 char *srcpool, *newpool, *propval; 3402 char *mntopts = NULL; 3403 splitflags_t flags; 3404 int c, ret = 0; 3405 zpool_handle_t *zhp; 3406 nvlist_t *config, *props = NULL; 3407 3408 flags.dryrun = B_FALSE; 3409 flags.import = B_FALSE; 3410 3411 /* check options */ 3412 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 3413 switch (c) { 3414 case 'R': 3415 flags.import = B_TRUE; 3416 if (add_prop_list( 3417 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 3418 &props, B_TRUE) != 0) { 3419 nvlist_free(props); 3420 usage(B_FALSE); 3421 } 3422 break; 3423 case 'n': 3424 flags.dryrun = B_TRUE; 3425 break; 3426 case 'o': 3427 if ((propval = strchr(optarg, '=')) != NULL) { 3428 *propval = '\0'; 3429 propval++; 3430 if (add_prop_list(optarg, propval, 3431 &props, B_TRUE) != 0) { 3432 nvlist_free(props); 3433 usage(B_FALSE); 3434 } 3435 } else { 3436 mntopts = optarg; 3437 } 3438 break; 3439 case ':': 3440 (void) fprintf(stderr, gettext("missing argument for " 3441 "'%c' option\n"), optopt); 3442 usage(B_FALSE); 3443 break; 3444 case '?': 3445 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3446 optopt); 3447 usage(B_FALSE); 3448 break; 3449 } 3450 } 3451 3452 if (!flags.import && mntopts != NULL) { 3453 (void) fprintf(stderr, gettext("setting mntopts is only " 3454 "valid when importing the pool\n")); 3455 usage(B_FALSE); 3456 } 3457 3458 argc -= optind; 3459 argv += optind; 3460 3461 if (argc < 1) { 3462 (void) fprintf(stderr, gettext("Missing pool name\n")); 3463 usage(B_FALSE); 3464 } 3465 if (argc < 2) { 3466 (void) fprintf(stderr, gettext("Missing new pool name\n")); 3467 usage(B_FALSE); 3468 } 3469 3470 srcpool = argv[0]; 3471 newpool = argv[1]; 3472 3473 argc -= 2; 3474 argv += 2; 3475 3476 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 3477 return (1); 3478 3479 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 3480 if (config == NULL) { 3481 ret = 1; 3482 } else { 3483 if (flags.dryrun) { 3484 (void) printf(gettext("would create '%s' with the " 3485 "following layout:\n\n"), newpool); 3486 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 3487 } 3488 nvlist_free(config); 3489 } 3490 3491 zpool_close(zhp); 3492 3493 if (ret != 0 || flags.dryrun || !flags.import) 3494 return (ret); 3495 3496 /* 3497 * The split was successful. Now we need to open the new 3498 * pool and import it. 3499 */ 3500 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 3501 return (1); 3502 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 3503 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 3504 ret = 1; 3505 (void) fprintf(stderr, gettext("Split was successful, but " 3506 "the datasets could not all be mounted\n")); 3507 (void) fprintf(stderr, gettext("Try doing '%s' with a " 3508 "different altroot\n"), "zpool import"); 3509 } 3510 zpool_close(zhp); 3511 3512 return (ret); 3513} 3514 3515 3516 3517/* 3518 * zpool online <pool> <device> ... 3519 */ 3520int 3521zpool_do_online(int argc, char **argv) 3522{ 3523 int c, i; 3524 char *poolname; 3525 zpool_handle_t *zhp; 3526 int ret = 0; 3527 vdev_state_t newstate; 3528 int flags = 0; 3529 3530 /* check options */ 3531 while ((c = getopt(argc, argv, "et")) != -1) { 3532 switch (c) { 3533 case 'e': 3534 flags |= ZFS_ONLINE_EXPAND; 3535 break; 3536 case 't': 3537 case '?': 3538 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3539 optopt); 3540 usage(B_FALSE); 3541 } 3542 } 3543 3544 argc -= optind; 3545 argv += optind; 3546 3547 /* get pool name and check number of arguments */ 3548 if (argc < 1) { 3549 (void) fprintf(stderr, gettext("missing pool name\n")); 3550 usage(B_FALSE); 3551 } 3552 if (argc < 2) { 3553 (void) fprintf(stderr, gettext("missing device name\n")); 3554 usage(B_FALSE); 3555 } 3556 3557 poolname = argv[0]; 3558 3559 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3560 return (1); 3561 3562 for (i = 1; i < argc; i++) { 3563 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 3564 if (newstate != VDEV_STATE_HEALTHY) { 3565 (void) printf(gettext("warning: device '%s' " 3566 "onlined, but remains in faulted state\n"), 3567 argv[i]); 3568 if (newstate == VDEV_STATE_FAULTED) 3569 (void) printf(gettext("use 'zpool " 3570 "clear' to restore a faulted " 3571 "device\n")); 3572 else 3573 (void) printf(gettext("use 'zpool " 3574 "replace' to replace devices " 3575 "that are no longer present\n")); 3576 } 3577 } else { 3578 ret = 1; 3579 } 3580 } 3581 3582 zpool_close(zhp); 3583 3584 return (ret); 3585} 3586 3587/* 3588 * zpool offline [-ft] <pool> <device> ... 3589 * 3590 * -f Force the device into the offline state, even if doing 3591 * so would appear to compromise pool availability. 3592 * (not supported yet) 3593 * 3594 * -t Only take the device off-line temporarily. The offline 3595 * state will not be persistent across reboots. 3596 */ 3597/* ARGSUSED */ 3598int 3599zpool_do_offline(int argc, char **argv) 3600{ 3601 int c, i; 3602 char *poolname; 3603 zpool_handle_t *zhp; 3604 int ret = 0; 3605 boolean_t istmp = B_FALSE; 3606 3607 /* check options */ 3608 while ((c = getopt(argc, argv, "ft")) != -1) { 3609 switch (c) { 3610 case 't': 3611 istmp = B_TRUE; 3612 break; 3613 case 'f': 3614 case '?': 3615 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3616 optopt); 3617 usage(B_FALSE); 3618 } 3619 } 3620 3621 argc -= optind; 3622 argv += optind; 3623 3624 /* get pool name and check number of arguments */ 3625 if (argc < 1) { 3626 (void) fprintf(stderr, gettext("missing pool name\n")); 3627 usage(B_FALSE); 3628 } 3629 if (argc < 2) { 3630 (void) fprintf(stderr, gettext("missing device name\n")); 3631 usage(B_FALSE); 3632 } 3633 3634 poolname = argv[0]; 3635 3636 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3637 return (1); 3638 3639 for (i = 1; i < argc; i++) { 3640 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3641 ret = 1; 3642 } 3643 3644 zpool_close(zhp); 3645 3646 return (ret); 3647} 3648 3649/* 3650 * zpool clear <pool> [device] 3651 * 3652 * Clear all errors associated with a pool or a particular device. 3653 */ 3654int 3655zpool_do_clear(int argc, char **argv) 3656{ 3657 int c; 3658 int ret = 0; 3659 boolean_t dryrun = B_FALSE; 3660 boolean_t do_rewind = B_FALSE; 3661 boolean_t xtreme_rewind = B_FALSE; 3662 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3663 nvlist_t *policy = NULL; 3664 zpool_handle_t *zhp; 3665 char *pool, *device; 3666 3667 /* check options */ 3668 while ((c = getopt(argc, argv, "FnX")) != -1) { 3669 switch (c) { 3670 case 'F': 3671 do_rewind = B_TRUE; 3672 break; 3673 case 'n': 3674 dryrun = B_TRUE; 3675 break; 3676 case 'X': 3677 xtreme_rewind = B_TRUE; 3678 break; 3679 case '?': 3680 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3681 optopt); 3682 usage(B_FALSE); 3683 } 3684 } 3685 3686 argc -= optind; 3687 argv += optind; 3688 3689 if (argc < 1) { 3690 (void) fprintf(stderr, gettext("missing pool name\n")); 3691 usage(B_FALSE); 3692 } 3693 3694 if (argc > 2) { 3695 (void) fprintf(stderr, gettext("too many arguments\n")); 3696 usage(B_FALSE); 3697 } 3698 3699 if ((dryrun || xtreme_rewind) && !do_rewind) { 3700 (void) fprintf(stderr, 3701 gettext("-n or -X only meaningful with -F\n")); 3702 usage(B_FALSE); 3703 } 3704 if (dryrun) 3705 rewind_policy = ZPOOL_TRY_REWIND; 3706 else if (do_rewind) 3707 rewind_policy = ZPOOL_DO_REWIND; 3708 if (xtreme_rewind) 3709 rewind_policy |= ZPOOL_EXTREME_REWIND; 3710 3711 /* In future, further rewind policy choices can be passed along here */ 3712 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3713 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3714 return (1); 3715 3716 pool = argv[0]; 3717 device = argc == 2 ? argv[1] : NULL; 3718 3719 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3720 nvlist_free(policy); 3721 return (1); 3722 } 3723 3724 if (zpool_clear(zhp, device, policy) != 0) 3725 ret = 1; 3726 3727 zpool_close(zhp); 3728 3729 nvlist_free(policy); 3730 3731 return (ret); 3732} 3733 3734/* 3735 * zpool reguid <pool> 3736 */ 3737int 3738zpool_do_reguid(int argc, char **argv) 3739{ 3740 int c; 3741 char *poolname; 3742 zpool_handle_t *zhp; 3743 int ret = 0; 3744 3745 /* check options */ 3746 while ((c = getopt(argc, argv, "")) != -1) { 3747 switch (c) { 3748 case '?': 3749 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3750 optopt); 3751 usage(B_FALSE); 3752 } 3753 } 3754 3755 argc -= optind; 3756 argv += optind; 3757 3758 /* get pool name and check number of arguments */ 3759 if (argc < 1) { 3760 (void) fprintf(stderr, gettext("missing pool name\n")); 3761 usage(B_FALSE); 3762 } 3763 3764 if (argc > 1) { 3765 (void) fprintf(stderr, gettext("too many arguments\n")); 3766 usage(B_FALSE); 3767 } 3768 3769 poolname = argv[0]; 3770 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3771 return (1); 3772 3773 ret = zpool_reguid(zhp); 3774 3775 zpool_close(zhp); 3776 return (ret); 3777} 3778 3779 3780/* 3781 * zpool reopen <pool> 3782 * 3783 * Reopen the pool so that the kernel can update the sizes of all vdevs. 3784 */ 3785int 3786zpool_do_reopen(int argc, char **argv) 3787{ 3788 int c; 3789 int ret = 0; 3790 zpool_handle_t *zhp; 3791 char *pool; 3792 3793 /* check options */ 3794 while ((c = getopt(argc, argv, "")) != -1) { 3795 switch (c) { 3796 case '?': 3797 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3798 optopt); 3799 usage(B_FALSE); 3800 } 3801 } 3802 3803 argc--; 3804 argv++; 3805 3806 if (argc < 1) { 3807 (void) fprintf(stderr, gettext("missing pool name\n")); 3808 usage(B_FALSE); 3809 } 3810 3811 if (argc > 1) { 3812 (void) fprintf(stderr, gettext("too many arguments\n")); 3813 usage(B_FALSE); 3814 } 3815 3816 pool = argv[0]; 3817 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) 3818 return (1); 3819 3820 ret = zpool_reopen(zhp); 3821 zpool_close(zhp); 3822 return (ret); 3823} 3824 3825typedef struct scrub_cbdata { 3826 int cb_type; 3827 int cb_argc; 3828 char **cb_argv; 3829 pool_scrub_cmd_t cb_scrub_cmd; 3830} scrub_cbdata_t; 3831 3832int 3833scrub_callback(zpool_handle_t *zhp, void *data) 3834{ 3835 scrub_cbdata_t *cb = data; 3836 int err; 3837 3838 /* 3839 * Ignore faulted pools. 3840 */ 3841 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3842 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3843 "currently unavailable\n"), zpool_get_name(zhp)); 3844 return (1); 3845 } 3846 3847 err = zpool_scan(zhp, cb->cb_type, cb->cb_scrub_cmd); 3848 3849 return (err != 0); 3850} 3851 3852/* 3853 * zpool scrub [-s | -p] <pool> ... 3854 * 3855 * -s Stop. Stops any in-progress scrub. 3856 * -p Pause. Pause in-progress scrub. 3857 */ 3858int 3859zpool_do_scrub(int argc, char **argv) 3860{ 3861 int c; 3862 scrub_cbdata_t cb; 3863 3864 cb.cb_type = POOL_SCAN_SCRUB; 3865 cb.cb_scrub_cmd = POOL_SCRUB_NORMAL; 3866 3867 /* check options */ 3868 while ((c = getopt(argc, argv, "sp")) != -1) { 3869 switch (c) { 3870 case 's': 3871 cb.cb_type = POOL_SCAN_NONE; 3872 break; 3873 case 'p': 3874 cb.cb_scrub_cmd = POOL_SCRUB_PAUSE; 3875 break; 3876 case '?': 3877 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3878 optopt); 3879 usage(B_FALSE); 3880 } 3881 } 3882 3883 if (cb.cb_type == POOL_SCAN_NONE && 3884 cb.cb_scrub_cmd == POOL_SCRUB_PAUSE) { 3885 (void) fprintf(stderr, gettext("invalid option combination: " 3886 "-s and -p are mutually exclusive\n")); 3887 usage(B_FALSE); 3888 } 3889 3890 cb.cb_argc = argc; 3891 cb.cb_argv = argv; 3892 argc -= optind; 3893 argv += optind; 3894 3895 if (argc < 1) { 3896 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3897 usage(B_FALSE); 3898 } 3899 3900 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3901} 3902 3903typedef struct status_cbdata { 3904 int cb_count; 3905 boolean_t cb_allpools; 3906 boolean_t cb_verbose; 3907 boolean_t cb_explain; 3908 boolean_t cb_first; 3909 boolean_t cb_dedup_stats; 3910} status_cbdata_t; 3911 3912/* 3913 * Print out detailed scrub status. 3914 */ 3915void 3916print_scan_status(pool_scan_stat_t *ps) 3917{ 3918 time_t start, end, pause; 3919 uint64_t elapsed, mins_left, hours_left; 3920 uint64_t pass_exam, examined, total; 3921 uint_t rate; 3922 double fraction_done; 3923 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3924 3925 (void) printf(gettext(" scan: ")); 3926 3927 /* If there's never been a scan, there's not much to say. */ 3928 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3929 ps->pss_func >= POOL_SCAN_FUNCS) { 3930 (void) printf(gettext("none requested\n")); 3931 return; 3932 } 3933 3934 start = ps->pss_start_time; 3935 end = ps->pss_end_time; 3936 pause = ps->pss_pass_scrub_pause; 3937 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3938 3939 assert(ps->pss_func == POOL_SCAN_SCRUB || 3940 ps->pss_func == POOL_SCAN_RESILVER); 3941 /* 3942 * Scan is finished or canceled. 3943 */ 3944 if (ps->pss_state == DSS_FINISHED) { 3945 uint64_t minutes_taken = (end - start) / 60; 3946 char *fmt = NULL; 3947 3948 if (ps->pss_func == POOL_SCAN_SCRUB) { 3949 fmt = gettext("scrub repaired %s in %lluh%um with " 3950 "%llu errors on %s"); 3951 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3952 fmt = gettext("resilvered %s in %lluh%um with " 3953 "%llu errors on %s"); 3954 } 3955 /* LINTED */ 3956 (void) printf(fmt, processed_buf, 3957 (u_longlong_t)(minutes_taken / 60), 3958 (uint_t)(minutes_taken % 60), 3959 (u_longlong_t)ps->pss_errors, 3960 ctime((time_t *)&end)); 3961 return; 3962 } else if (ps->pss_state == DSS_CANCELED) { 3963 if (ps->pss_func == POOL_SCAN_SCRUB) { 3964 (void) printf(gettext("scrub canceled on %s"), 3965 ctime(&end)); 3966 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3967 (void) printf(gettext("resilver canceled on %s"), 3968 ctime(&end)); 3969 } 3970 return; 3971 } 3972 3973 assert(ps->pss_state == DSS_SCANNING); 3974 3975 /* 3976 * Scan is in progress. 3977 */ 3978 if (ps->pss_func == POOL_SCAN_SCRUB) { 3979 if (pause == 0) { 3980 (void) printf(gettext("scrub in progress since %s"), 3981 ctime(&start)); 3982 } else { 3983 char buf[32]; 3984 struct tm *p = localtime(&pause); 3985 (void) strftime(buf, sizeof (buf), "%a %b %e %T %Y", p); 3986 (void) printf(gettext("scrub paused since %s\n"), buf); 3987 (void) printf(gettext("\tscrub started on %s"), 3988 ctime(&start)); 3989 } 3990 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3991 (void) printf(gettext("resilver in progress since %s"), 3992 ctime(&start)); 3993 } 3994 3995 examined = ps->pss_examined ? ps->pss_examined : 1; 3996 total = ps->pss_to_examine; 3997 fraction_done = (double)examined / total; 3998 3999 /* elapsed time for this pass */ 4000 elapsed = time(NULL) - ps->pss_pass_start; 4001 elapsed -= ps->pss_pass_scrub_spent_paused; 4002 elapsed = elapsed ? elapsed : 1; 4003 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 4004 rate = pass_exam / elapsed; 4005 rate = rate ? rate : 1; 4006 mins_left = ((total - examined) / rate) / 60; 4007 hours_left = mins_left / 60; 4008 4009 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 4010 zfs_nicenum(total, total_buf, sizeof (total_buf)); 4011 4012 /* 4013 * do not print estimated time if hours_left is more than 30 days 4014 * or we have a paused scrub 4015 */ 4016 if (pause == 0) { 4017 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 4018 (void) printf(gettext("\t%s scanned out of %s at %s/s"), 4019 examined_buf, total_buf, rate_buf); 4020 if (hours_left < (30 * 24)) { 4021 (void) printf(gettext(", %lluh%um to go\n"), 4022 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 4023 } else { 4024 (void) printf(gettext( 4025 ", (scan is slow, no estimated time)\n")); 4026 } 4027 } else { 4028 (void) printf(gettext("\t%s scanned out of %s\n"), 4029 examined_buf, total_buf); 4030 } 4031 4032 if (ps->pss_func == POOL_SCAN_RESILVER) { 4033 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 4034 processed_buf, 100 * fraction_done); 4035 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 4036 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 4037 processed_buf, 100 * fraction_done); 4038 } 4039} 4040 4041static void 4042print_error_log(zpool_handle_t *zhp) 4043{ 4044 nvlist_t *nverrlist = NULL; 4045 nvpair_t *elem; 4046 char *pathname; 4047 size_t len = MAXPATHLEN * 2; 4048 4049 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 4050 (void) printf("errors: List of errors unavailable " 4051 "(insufficient privileges)\n"); 4052 return; 4053 } 4054 4055 (void) printf("errors: Permanent errors have been " 4056 "detected in the following files:\n\n"); 4057 4058 pathname = safe_malloc(len); 4059 elem = NULL; 4060 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 4061 nvlist_t *nv; 4062 uint64_t dsobj, obj; 4063 4064 verify(nvpair_value_nvlist(elem, &nv) == 0); 4065 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 4066 &dsobj) == 0); 4067 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 4068 &obj) == 0); 4069 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 4070 (void) printf("%7s %s\n", "", pathname); 4071 } 4072 free(pathname); 4073 nvlist_free(nverrlist); 4074} 4075 4076static void 4077print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 4078 int namewidth) 4079{ 4080 uint_t i; 4081 char *name; 4082 4083 if (nspares == 0) 4084 return; 4085 4086 (void) printf(gettext("\tspares\n")); 4087 4088 for (i = 0; i < nspares; i++) { 4089 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 4090 print_status_config(zhp, name, spares[i], 4091 namewidth, 2, B_TRUE); 4092 free(name); 4093 } 4094} 4095 4096static void 4097print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 4098 int namewidth) 4099{ 4100 uint_t i; 4101 char *name; 4102 4103 if (nl2cache == 0) 4104 return; 4105 4106 (void) printf(gettext("\tcache\n")); 4107 4108 for (i = 0; i < nl2cache; i++) { 4109 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 4110 print_status_config(zhp, name, l2cache[i], 4111 namewidth, 2, B_FALSE); 4112 free(name); 4113 } 4114} 4115 4116static void 4117print_dedup_stats(nvlist_t *config) 4118{ 4119 ddt_histogram_t *ddh; 4120 ddt_stat_t *dds; 4121 ddt_object_t *ddo; 4122 uint_t c; 4123 4124 /* 4125 * If the pool was faulted then we may not have been able to 4126 * obtain the config. Otherwise, if we have anything in the dedup 4127 * table continue processing the stats. 4128 */ 4129 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 4130 (uint64_t **)&ddo, &c) != 0) 4131 return; 4132 4133 (void) printf("\n"); 4134 (void) printf(gettext(" dedup: ")); 4135 if (ddo->ddo_count == 0) { 4136 (void) printf(gettext("no DDT entries\n")); 4137 return; 4138 } 4139 4140 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 4141 (u_longlong_t)ddo->ddo_count, 4142 (u_longlong_t)ddo->ddo_dspace, 4143 (u_longlong_t)ddo->ddo_mspace); 4144 4145 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 4146 (uint64_t **)&dds, &c) == 0); 4147 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 4148 (uint64_t **)&ddh, &c) == 0); 4149 zpool_dump_ddt(dds, ddh); 4150} 4151 4152/* 4153 * Display a summary of pool status. Displays a summary such as: 4154 * 4155 * pool: tank 4156 * status: DEGRADED 4157 * reason: One or more devices ... 4158 * see: http://illumos.org/msg/ZFS-xxxx-01 4159 * config: 4160 * mirror DEGRADED 4161 * c1t0d0 OK 4162 * c2t0d0 UNAVAIL 4163 * 4164 * When given the '-v' option, we print out the complete config. If the '-e' 4165 * option is specified, then we print out error rate information as well. 4166 */ 4167int 4168status_callback(zpool_handle_t *zhp, void *data) 4169{ 4170 status_cbdata_t *cbp = data; 4171 nvlist_t *config, *nvroot; 4172 char *msgid; 4173 int reason; 4174 const char *health; 4175 uint_t c; 4176 vdev_stat_t *vs; 4177 4178 config = zpool_get_config(zhp, NULL); 4179 reason = zpool_get_status(zhp, &msgid); 4180 4181 cbp->cb_count++; 4182 4183 /* 4184 * If we were given 'zpool status -x', only report those pools with 4185 * problems. 4186 */ 4187 if (cbp->cb_explain && 4188 (reason == ZPOOL_STATUS_OK || 4189 reason == ZPOOL_STATUS_VERSION_OLDER || 4190 reason == ZPOOL_STATUS_NON_NATIVE_ASHIFT || 4191 reason == ZPOOL_STATUS_FEAT_DISABLED)) { 4192 if (!cbp->cb_allpools) { 4193 (void) printf(gettext("pool '%s' is healthy\n"), 4194 zpool_get_name(zhp)); 4195 if (cbp->cb_first) 4196 cbp->cb_first = B_FALSE; 4197 } 4198 return (0); 4199 } 4200 4201 if (cbp->cb_first) 4202 cbp->cb_first = B_FALSE; 4203 else 4204 (void) printf("\n"); 4205 4206 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 4207 &nvroot) == 0); 4208 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 4209 (uint64_t **)&vs, &c) == 0); 4210 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 4211 4212 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 4213 (void) printf(gettext(" state: %s\n"), health); 4214 4215 switch (reason) { 4216 case ZPOOL_STATUS_MISSING_DEV_R: 4217 (void) printf(gettext("status: One or more devices could not " 4218 "be opened. Sufficient replicas exist for\n\tthe pool to " 4219 "continue functioning in a degraded state.\n")); 4220 (void) printf(gettext("action: Attach the missing device and " 4221 "online it using 'zpool online'.\n")); 4222 break; 4223 4224 case ZPOOL_STATUS_MISSING_DEV_NR: 4225 (void) printf(gettext("status: One or more devices could not " 4226 "be opened. There are insufficient\n\treplicas for the " 4227 "pool to continue functioning.\n")); 4228 (void) printf(gettext("action: Attach the missing device and " 4229 "online it using 'zpool online'.\n")); 4230 break; 4231 4232 case ZPOOL_STATUS_CORRUPT_LABEL_R: 4233 (void) printf(gettext("status: One or more devices could not " 4234 "be used because the label is missing or\n\tinvalid. " 4235 "Sufficient replicas exist for the pool to continue\n\t" 4236 "functioning in a degraded state.\n")); 4237 (void) printf(gettext("action: Replace the device using " 4238 "'zpool replace'.\n")); 4239 break; 4240 4241 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 4242 (void) printf(gettext("status: One or more devices could not " 4243 "be used because the label is missing \n\tor invalid. " 4244 "There are insufficient replicas for the pool to " 4245 "continue\n\tfunctioning.\n")); 4246 zpool_explain_recover(zpool_get_handle(zhp), 4247 zpool_get_name(zhp), reason, config); 4248 break; 4249 4250 case ZPOOL_STATUS_FAILING_DEV: 4251 (void) printf(gettext("status: One or more devices has " 4252 "experienced an unrecoverable error. An\n\tattempt was " 4253 "made to correct the error. Applications are " 4254 "unaffected.\n")); 4255 (void) printf(gettext("action: Determine if the device needs " 4256 "to be replaced, and clear the errors\n\tusing " 4257 "'zpool clear' or replace the device with 'zpool " 4258 "replace'.\n")); 4259 break; 4260 4261 case ZPOOL_STATUS_OFFLINE_DEV: 4262 (void) printf(gettext("status: One or more devices has " 4263 "been taken offline by the administrator.\n\tSufficient " 4264 "replicas exist for the pool to continue functioning in " 4265 "a\n\tdegraded state.\n")); 4266 (void) printf(gettext("action: Online the device using " 4267 "'zpool online' or replace the device with\n\t'zpool " 4268 "replace'.\n")); 4269 break; 4270 4271 case ZPOOL_STATUS_REMOVED_DEV: 4272 (void) printf(gettext("status: One or more devices has " 4273 "been removed by the administrator.\n\tSufficient " 4274 "replicas exist for the pool to continue functioning in " 4275 "a\n\tdegraded state.\n")); 4276 (void) printf(gettext("action: Online the device using " 4277 "'zpool online' or replace the device with\n\t'zpool " 4278 "replace'.\n")); 4279 break; 4280 4281 case ZPOOL_STATUS_RESILVERING: 4282 (void) printf(gettext("status: One or more devices is " 4283 "currently being resilvered. The pool will\n\tcontinue " 4284 "to function, possibly in a degraded state.\n")); 4285 (void) printf(gettext("action: Wait for the resilver to " 4286 "complete.\n")); 4287 break; 4288 4289 case ZPOOL_STATUS_CORRUPT_DATA: 4290 (void) printf(gettext("status: One or more devices has " 4291 "experienced an error resulting in data\n\tcorruption. " 4292 "Applications may be affected.\n")); 4293 (void) printf(gettext("action: Restore the file in question " 4294 "if possible. Otherwise restore the\n\tentire pool from " 4295 "backup.\n")); 4296 break; 4297 4298 case ZPOOL_STATUS_CORRUPT_POOL: 4299 (void) printf(gettext("status: The pool metadata is corrupted " 4300 "and the pool cannot be opened.\n")); 4301 zpool_explain_recover(zpool_get_handle(zhp), 4302 zpool_get_name(zhp), reason, config); 4303 break; 4304 4305 case ZPOOL_STATUS_VERSION_OLDER: 4306 (void) printf(gettext("status: The pool is formatted using a " 4307 "legacy on-disk format. The pool can\n\tstill be used, " 4308 "but some features are unavailable.\n")); 4309 (void) printf(gettext("action: Upgrade the pool using 'zpool " 4310 "upgrade'. Once this is done, the\n\tpool will no longer " 4311 "be accessible on software that does not support feature\n" 4312 "\tflags.\n")); 4313 break; 4314 4315 case ZPOOL_STATUS_VERSION_NEWER: 4316 (void) printf(gettext("status: The pool has been upgraded to a " 4317 "newer, incompatible on-disk version.\n\tThe pool cannot " 4318 "be accessed on this system.\n")); 4319 (void) printf(gettext("action: Access the pool from a system " 4320 "running more recent software, or\n\trestore the pool from " 4321 "backup.\n")); 4322 break; 4323 4324 case ZPOOL_STATUS_FEAT_DISABLED: 4325 (void) printf(gettext("status: Some supported features are not " 4326 "enabled on the pool. The pool can\n\tstill be used, but " 4327 "some features are unavailable.\n")); 4328 (void) printf(gettext("action: Enable all features using " 4329 "'zpool upgrade'. Once this is done,\n\tthe pool may no " 4330 "longer be accessible by software that does not support\n\t" 4331 "the features. See zpool-features(7) for details.\n")); 4332 break; 4333 4334 case ZPOOL_STATUS_UNSUP_FEAT_READ: 4335 (void) printf(gettext("status: The pool cannot be accessed on " 4336 "this system because it uses the\n\tfollowing feature(s) " 4337 "not supported on this system:\n")); 4338 zpool_print_unsup_feat(config); 4339 (void) printf("\n"); 4340 (void) printf(gettext("action: Access the pool from a system " 4341 "that supports the required feature(s),\n\tor restore the " 4342 "pool from backup.\n")); 4343 break; 4344 4345 case ZPOOL_STATUS_UNSUP_FEAT_WRITE: 4346 (void) printf(gettext("status: The pool can only be accessed " 4347 "in read-only mode on this system. It\n\tcannot be " 4348 "accessed in read-write mode because it uses the " 4349 "following\n\tfeature(s) not supported on this system:\n")); 4350 zpool_print_unsup_feat(config); 4351 (void) printf("\n"); 4352 (void) printf(gettext("action: The pool cannot be accessed in " 4353 "read-write mode. Import the pool with\n" 4354 "\t\"-o readonly=on\", access the pool from a system that " 4355 "supports the\n\trequired feature(s), or restore the " 4356 "pool from backup.\n")); 4357 break; 4358 4359 case ZPOOL_STATUS_FAULTED_DEV_R: 4360 (void) printf(gettext("status: One or more devices are " 4361 "faulted in response to persistent errors.\n\tSufficient " 4362 "replicas exist for the pool to continue functioning " 4363 "in a\n\tdegraded state.\n")); 4364 (void) printf(gettext("action: Replace the faulted device, " 4365 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 4366 break; 4367 4368 case ZPOOL_STATUS_FAULTED_DEV_NR: 4369 (void) printf(gettext("status: One or more devices are " 4370 "faulted in response to persistent errors. There are " 4371 "insufficient replicas for the pool to\n\tcontinue " 4372 "functioning.\n")); 4373 (void) printf(gettext("action: Destroy and re-create the pool " 4374 "from a backup source. Manually marking the device\n" 4375 "\trepaired using 'zpool clear' may allow some data " 4376 "to be recovered.\n")); 4377 break; 4378 4379 case ZPOOL_STATUS_IO_FAILURE_WAIT: 4380 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 4381 (void) printf(gettext("status: One or more devices are " 4382 "faulted in response to IO failures.\n")); 4383 (void) printf(gettext("action: Make sure the affected devices " 4384 "are connected, then run 'zpool clear'.\n")); 4385 break; 4386 4387 case ZPOOL_STATUS_BAD_LOG: 4388 (void) printf(gettext("status: An intent log record " 4389 "could not be read.\n" 4390 "\tWaiting for adminstrator intervention to fix the " 4391 "faulted pool.\n")); 4392 (void) printf(gettext("action: Either restore the affected " 4393 "device(s) and run 'zpool online',\n" 4394 "\tor ignore the intent log records by running " 4395 "'zpool clear'.\n")); 4396 break; 4397 4398 case ZPOOL_STATUS_NON_NATIVE_ASHIFT: 4399 (void) printf(gettext("status: One or more devices are " 4400 "configured to use a non-native block size.\n" 4401 "\tExpect reduced performance.\n")); 4402 (void) printf(gettext("action: Replace affected devices with " 4403 "devices that support the\n\tconfigured block size, or " 4404 "migrate data to a properly configured\n\tpool.\n")); 4405 break; 4406 4407 default: 4408 /* 4409 * The remaining errors can't actually be generated, yet. 4410 */ 4411 assert(reason == ZPOOL_STATUS_OK); 4412 } 4413 4414 if (msgid != NULL) 4415 (void) printf(gettext(" see: http://illumos.org/msg/%s\n"), 4416 msgid); 4417 4418 if (config != NULL) { 4419 int namewidth; 4420 uint64_t nerr; 4421 nvlist_t **spares, **l2cache; 4422 uint_t nspares, nl2cache; 4423 pool_scan_stat_t *ps = NULL; 4424 4425 (void) nvlist_lookup_uint64_array(nvroot, 4426 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 4427 print_scan_status(ps); 4428 4429 namewidth = max_width(zhp, nvroot, 0, 0); 4430 if (namewidth < 10) 4431 namewidth = 10; 4432 4433 (void) printf(gettext("config:\n\n")); 4434 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 4435 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 4436 print_status_config(zhp, zpool_get_name(zhp), nvroot, 4437 namewidth, 0, B_FALSE); 4438 4439 if (num_logs(nvroot) > 0) 4440 print_logs(zhp, nvroot, namewidth, B_TRUE); 4441 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 4442 &l2cache, &nl2cache) == 0) 4443 print_l2cache(zhp, l2cache, nl2cache, namewidth); 4444 4445 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 4446 &spares, &nspares) == 0) 4447 print_spares(zhp, spares, nspares, namewidth); 4448 4449 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 4450 &nerr) == 0) { 4451 nvlist_t *nverrlist = NULL; 4452 4453 /* 4454 * If the approximate error count is small, get a 4455 * precise count by fetching the entire log and 4456 * uniquifying the results. 4457 */ 4458 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 4459 zpool_get_errlog(zhp, &nverrlist) == 0) { 4460 nvpair_t *elem; 4461 4462 elem = NULL; 4463 nerr = 0; 4464 while ((elem = nvlist_next_nvpair(nverrlist, 4465 elem)) != NULL) { 4466 nerr++; 4467 } 4468 } 4469 nvlist_free(nverrlist); 4470 4471 (void) printf("\n"); 4472 4473 if (nerr == 0) 4474 (void) printf(gettext("errors: No known data " 4475 "errors\n")); 4476 else if (!cbp->cb_verbose) 4477 (void) printf(gettext("errors: %llu data " 4478 "errors, use '-v' for a list\n"), 4479 (u_longlong_t)nerr); 4480 else 4481 print_error_log(zhp); 4482 } 4483 4484 if (cbp->cb_dedup_stats) 4485 print_dedup_stats(config); 4486 } else { 4487 (void) printf(gettext("config: The configuration cannot be " 4488 "determined.\n")); 4489 } 4490 4491 return (0); 4492} 4493 4494/* 4495 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 4496 * 4497 * -v Display complete error logs 4498 * -x Display only pools with potential problems 4499 * -D Display dedup status (undocumented) 4500 * -T Display a timestamp in date(1) or Unix format 4501 * 4502 * Describes the health status of all pools or some subset. 4503 */ 4504int 4505zpool_do_status(int argc, char **argv) 4506{ 4507 int c; 4508 int ret; 4509 unsigned long interval = 0, count = 0; 4510 status_cbdata_t cb = { 0 }; 4511 4512 /* check options */ 4513 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 4514 switch (c) { 4515 case 'v': 4516 cb.cb_verbose = B_TRUE; 4517 break; 4518 case 'x': 4519 cb.cb_explain = B_TRUE; 4520 break; 4521 case 'D': 4522 cb.cb_dedup_stats = B_TRUE; 4523 break; 4524 case 'T': 4525 get_timestamp_arg(*optarg); 4526 break; 4527 case '?': 4528 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4529 optopt); 4530 usage(B_FALSE); 4531 } 4532 } 4533 4534 argc -= optind; 4535 argv += optind; 4536 4537 get_interval_count(&argc, argv, &interval, &count); 4538 4539 if (argc == 0) 4540 cb.cb_allpools = B_TRUE; 4541 4542 cb.cb_first = B_TRUE; 4543 4544 for (;;) { 4545 if (timestamp_fmt != NODATE) 4546 print_timestamp(timestamp_fmt); 4547 4548 ret = for_each_pool(argc, argv, B_TRUE, NULL, 4549 status_callback, &cb); 4550 4551 if (argc == 0 && cb.cb_count == 0) 4552 (void) printf(gettext("no pools available\n")); 4553 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 4554 (void) printf(gettext("all pools are healthy\n")); 4555 4556 if (ret != 0) 4557 return (ret); 4558 4559 if (interval == 0) 4560 break; 4561 4562 if (count != 0 && --count == 0) 4563 break; 4564 4565 (void) sleep(interval); 4566 } 4567 4568 return (0); 4569} 4570 4571typedef struct upgrade_cbdata { 4572 boolean_t cb_first; 4573 boolean_t cb_unavail; 4574 char cb_poolname[ZFS_MAX_DATASET_NAME_LEN]; 4575 int cb_argc; 4576 uint64_t cb_version; 4577 char **cb_argv; 4578} upgrade_cbdata_t; 4579 4580#ifdef __FreeBSD__ 4581static int 4582is_root_pool(zpool_handle_t *zhp) 4583{ 4584 static struct statfs sfs; 4585 static char *poolname = NULL; 4586 static boolean_t stated = B_FALSE; 4587 char *slash; 4588 4589 if (!stated) { 4590 stated = B_TRUE; 4591 if (statfs("/", &sfs) == -1) { 4592 (void) fprintf(stderr, 4593 "Unable to stat root file system: %s.\n", 4594 strerror(errno)); 4595 return (0); 4596 } 4597 if (strcmp(sfs.f_fstypename, "zfs") != 0) 4598 return (0); 4599 poolname = sfs.f_mntfromname; 4600 if ((slash = strchr(poolname, '/')) != NULL) 4601 *slash = '\0'; 4602 } 4603 return (poolname != NULL && strcmp(poolname, zpool_get_name(zhp)) == 0); 4604} 4605 4606static void 4607root_pool_upgrade_check(zpool_handle_t *zhp, char *poolname, int size) 4608{ 4609 4610 if (poolname[0] == '\0' && is_root_pool(zhp)) 4611 (void) strlcpy(poolname, zpool_get_name(zhp), size); 4612} 4613#endif /* FreeBSD */ 4614 4615static int 4616upgrade_version(zpool_handle_t *zhp, uint64_t version) 4617{ 4618 int ret; 4619 nvlist_t *config; 4620 uint64_t oldversion; 4621 4622 config = zpool_get_config(zhp, NULL); 4623 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4624 &oldversion) == 0); 4625 4626 assert(SPA_VERSION_IS_SUPPORTED(oldversion)); 4627 assert(oldversion < version); 4628 4629 ret = zpool_upgrade(zhp, version); 4630 if (ret != 0) 4631 return (ret); 4632 4633 if (version >= SPA_VERSION_FEATURES) { 4634 (void) printf(gettext("Successfully upgraded " 4635 "'%s' from version %llu to feature flags.\n"), 4636 zpool_get_name(zhp), oldversion); 4637 } else { 4638 (void) printf(gettext("Successfully upgraded " 4639 "'%s' from version %llu to version %llu.\n"), 4640 zpool_get_name(zhp), oldversion, version); 4641 } 4642 4643 return (0); 4644} 4645 4646static int 4647upgrade_enable_all(zpool_handle_t *zhp, int *countp) 4648{ 4649 int i, ret, count; 4650 boolean_t firstff = B_TRUE; 4651 nvlist_t *enabled = zpool_get_features(zhp); 4652 4653 count = 0; 4654 for (i = 0; i < SPA_FEATURES; i++) { 4655 const char *fname = spa_feature_table[i].fi_uname; 4656 const char *fguid = spa_feature_table[i].fi_guid; 4657 if (!nvlist_exists(enabled, fguid)) { 4658 char *propname; 4659 verify(-1 != asprintf(&propname, "feature@%s", fname)); 4660 ret = zpool_set_prop(zhp, propname, 4661 ZFS_FEATURE_ENABLED); 4662 if (ret != 0) { 4663 free(propname); 4664 return (ret); 4665 } 4666 count++; 4667 4668 if (firstff) { 4669 (void) printf(gettext("Enabled the " 4670 "following features on '%s':\n"), 4671 zpool_get_name(zhp)); 4672 firstff = B_FALSE; 4673 } 4674 (void) printf(gettext(" %s\n"), fname); 4675 free(propname); 4676 } 4677 } 4678 4679 if (countp != NULL) 4680 *countp = count; 4681 return (0); 4682} 4683 4684static int 4685upgrade_cb(zpool_handle_t *zhp, void *arg) 4686{ 4687 upgrade_cbdata_t *cbp = arg; 4688 nvlist_t *config; 4689 uint64_t version; 4690 boolean_t printnl = B_FALSE; 4691 int ret; 4692 4693 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4694 (void) fprintf(stderr, gettext("cannot upgrade '%s': pool is " 4695 "currently unavailable.\n\n"), zpool_get_name(zhp)); 4696 cbp->cb_unavail = B_TRUE; 4697 /* Allow iteration to continue. */ 4698 return (0); 4699 } 4700 4701 config = zpool_get_config(zhp, NULL); 4702 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4703 &version) == 0); 4704 4705 assert(SPA_VERSION_IS_SUPPORTED(version)); 4706 4707 if (version < cbp->cb_version) { 4708 cbp->cb_first = B_FALSE; 4709 ret = upgrade_version(zhp, cbp->cb_version); 4710 if (ret != 0) 4711 return (ret); 4712#ifdef __FreeBSD__ 4713 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4714 sizeof(cbp->cb_poolname)); 4715#endif /* __FreeBSD__ */ 4716 printnl = B_TRUE; 4717 4718#ifdef illumos 4719 /* 4720 * If they did "zpool upgrade -a", then we could 4721 * be doing ioctls to different pools. We need 4722 * to log this history once to each pool, and bypass 4723 * the normal history logging that happens in main(). 4724 */ 4725 (void) zpool_log_history(g_zfs, history_str); 4726 log_history = B_FALSE; 4727#endif 4728 } 4729 4730 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4731 int count; 4732 ret = upgrade_enable_all(zhp, &count); 4733 if (ret != 0) 4734 return (ret); 4735 4736 if (count > 0) { 4737 cbp->cb_first = B_FALSE; 4738 printnl = B_TRUE; 4739#ifdef __FreeBSD__ 4740 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4741 sizeof(cbp->cb_poolname)); 4742#endif /* __FreeBSD__ */ 4743 /* 4744 * If they did "zpool upgrade -a", then we could 4745 * be doing ioctls to different pools. We need 4746 * to log this history once to each pool, and bypass 4747 * the normal history logging that happens in main(). 4748 */ 4749 (void) zpool_log_history(g_zfs, history_str); 4750 log_history = B_FALSE; 4751 } 4752 } 4753 4754 if (printnl) { 4755 (void) printf(gettext("\n")); 4756 } 4757 4758 return (0); 4759} 4760 4761static int 4762upgrade_list_unavail(zpool_handle_t *zhp, void *arg) 4763{ 4764 upgrade_cbdata_t *cbp = arg; 4765 4766 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4767 if (cbp->cb_first) { 4768 (void) fprintf(stderr, gettext("The following pools " 4769 "are unavailable and cannot be upgraded as this " 4770 "time.\n\n")); 4771 (void) fprintf(stderr, gettext("POOL\n")); 4772 (void) fprintf(stderr, gettext("------------\n")); 4773 cbp->cb_first = B_FALSE; 4774 } 4775 (void) printf(gettext("%s\n"), zpool_get_name(zhp)); 4776 cbp->cb_unavail = B_TRUE; 4777 } 4778 return (0); 4779} 4780 4781static int 4782upgrade_list_older_cb(zpool_handle_t *zhp, void *arg) 4783{ 4784 upgrade_cbdata_t *cbp = arg; 4785 nvlist_t *config; 4786 uint64_t version; 4787 4788 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4789 /* 4790 * This will have been reported by upgrade_list_unavail so 4791 * just allow iteration to continue. 4792 */ 4793 cbp->cb_unavail = B_TRUE; 4794 return (0); 4795 } 4796 4797 config = zpool_get_config(zhp, NULL); 4798 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4799 &version) == 0); 4800 4801 assert(SPA_VERSION_IS_SUPPORTED(version)); 4802 4803 if (version < SPA_VERSION_FEATURES) { 4804 if (cbp->cb_first) { 4805 (void) printf(gettext("The following pools are " 4806 "formatted with legacy version numbers and can\n" 4807 "be upgraded to use feature flags. After " 4808 "being upgraded, these pools\nwill no " 4809 "longer be accessible by software that does not " 4810 "support feature\nflags.\n\n")); 4811 (void) printf(gettext("VER POOL\n")); 4812 (void) printf(gettext("--- ------------\n")); 4813 cbp->cb_first = B_FALSE; 4814 } 4815 4816 (void) printf("%2llu %s\n", (u_longlong_t)version, 4817 zpool_get_name(zhp)); 4818 } 4819 4820 return (0); 4821} 4822 4823static int 4824upgrade_list_disabled_cb(zpool_handle_t *zhp, void *arg) 4825{ 4826 upgrade_cbdata_t *cbp = arg; 4827 nvlist_t *config; 4828 uint64_t version; 4829 4830 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4831 /* 4832 * This will have been reported by upgrade_list_unavail so 4833 * just allow iteration to continue. 4834 */ 4835 cbp->cb_unavail = B_TRUE; 4836 return (0); 4837 } 4838 4839 config = zpool_get_config(zhp, NULL); 4840 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 4841 &version) == 0); 4842 4843 if (version >= SPA_VERSION_FEATURES) { 4844 int i; 4845 boolean_t poolfirst = B_TRUE; 4846 nvlist_t *enabled = zpool_get_features(zhp); 4847 4848 for (i = 0; i < SPA_FEATURES; i++) { 4849 const char *fguid = spa_feature_table[i].fi_guid; 4850 const char *fname = spa_feature_table[i].fi_uname; 4851 if (!nvlist_exists(enabled, fguid)) { 4852 if (cbp->cb_first) { 4853 (void) printf(gettext("\nSome " 4854 "supported features are not " 4855 "enabled on the following pools. " 4856 "Once a\nfeature is enabled the " 4857 "pool may become incompatible with " 4858 "software\nthat does not support " 4859 "the feature. See " 4860 "zpool-features(7) for " 4861 "details.\n\n")); 4862 (void) printf(gettext("POOL " 4863 "FEATURE\n")); 4864 (void) printf(gettext("------" 4865 "---------\n")); 4866 cbp->cb_first = B_FALSE; 4867 } 4868 4869 if (poolfirst) { 4870 (void) printf(gettext("%s\n"), 4871 zpool_get_name(zhp)); 4872 poolfirst = B_FALSE; 4873 } 4874 4875 (void) printf(gettext(" %s\n"), fname); 4876 } 4877 } 4878 } 4879 4880 return (0); 4881} 4882 4883/* ARGSUSED */ 4884static int 4885upgrade_one(zpool_handle_t *zhp, void *data) 4886{ 4887 boolean_t printnl = B_FALSE; 4888 upgrade_cbdata_t *cbp = data; 4889 uint64_t cur_version; 4890 int ret; 4891 4892 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 4893 (void) fprintf(stderr, gettext("cannot upgrade '%s': pool is " 4894 "is currently unavailable.\n\n"), zpool_get_name(zhp)); 4895 cbp->cb_unavail = B_TRUE; 4896 return (1); 4897 } 4898 4899 if (strcmp("log", zpool_get_name(zhp)) == 0) { 4900 (void) printf(gettext("'log' is now a reserved word\n" 4901 "Pool 'log' must be renamed using export and import" 4902 " to upgrade.\n\n")); 4903 return (1); 4904 } 4905 4906 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 4907 if (cur_version > cbp->cb_version) { 4908 (void) printf(gettext("Pool '%s' is already formatted " 4909 "using more current version '%llu'.\n\n"), 4910 zpool_get_name(zhp), cur_version); 4911 return (0); 4912 } 4913 4914 if (cbp->cb_version != SPA_VERSION && cur_version == cbp->cb_version) { 4915 (void) printf(gettext("Pool '%s' is already formatted " 4916 "using version %llu.\n\n"), zpool_get_name(zhp), 4917 cbp->cb_version); 4918 return (0); 4919 } 4920 4921 if (cur_version != cbp->cb_version) { 4922 printnl = B_TRUE; 4923 ret = upgrade_version(zhp, cbp->cb_version); 4924 if (ret != 0) 4925 return (ret); 4926#ifdef __FreeBSD__ 4927 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4928 sizeof(cbp->cb_poolname)); 4929#endif /* __FreeBSD__ */ 4930 } 4931 4932 if (cbp->cb_version >= SPA_VERSION_FEATURES) { 4933 int count = 0; 4934 ret = upgrade_enable_all(zhp, &count); 4935 if (ret != 0) 4936 return (ret); 4937 4938 if (count != 0) { 4939 printnl = B_TRUE; 4940#ifdef __FreeBSD__ 4941 root_pool_upgrade_check(zhp, cbp->cb_poolname, 4942 sizeof(cbp->cb_poolname)); 4943#endif /* __FreeBSD __*/ 4944 } else if (cur_version == SPA_VERSION) { 4945 (void) printf(gettext("Pool '%s' already has all " 4946 "supported features enabled.\n\n"), 4947 zpool_get_name(zhp)); 4948 } 4949 } 4950 4951 if (printnl) { 4952 (void) printf(gettext("\n")); 4953 } 4954 4955 return (0); 4956} 4957 4958/* 4959 * zpool upgrade 4960 * zpool upgrade -v 4961 * zpool upgrade [-V version] <-a | pool ...> 4962 * 4963 * With no arguments, display downrev'd ZFS pool available for upgrade. 4964 * Individual pools can be upgraded by specifying the pool, and '-a' will 4965 * upgrade all pools. 4966 */ 4967int 4968zpool_do_upgrade(int argc, char **argv) 4969{ 4970 int c; 4971 upgrade_cbdata_t cb = { 0 }; 4972 int ret = 0; 4973 boolean_t showversions = B_FALSE; 4974 boolean_t upgradeall = B_FALSE; 4975 char *end; 4976 4977 4978 /* check options */ 4979 while ((c = getopt(argc, argv, ":avV:")) != -1) { 4980 switch (c) { 4981 case 'a': 4982 upgradeall = B_TRUE; 4983 break; 4984 case 'v': 4985 showversions = B_TRUE; 4986 break; 4987 case 'V': 4988 cb.cb_version = strtoll(optarg, &end, 10); 4989 if (*end != '\0' || 4990 !SPA_VERSION_IS_SUPPORTED(cb.cb_version)) { 4991 (void) fprintf(stderr, 4992 gettext("invalid version '%s'\n"), optarg); 4993 usage(B_FALSE); 4994 } 4995 break; 4996 case ':': 4997 (void) fprintf(stderr, gettext("missing argument for " 4998 "'%c' option\n"), optopt); 4999 usage(B_FALSE); 5000 break; 5001 case '?': 5002 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5003 optopt); 5004 usage(B_FALSE); 5005 } 5006 } 5007 5008 cb.cb_argc = argc; 5009 cb.cb_argv = argv; 5010 argc -= optind; 5011 argv += optind; 5012 5013 if (cb.cb_version == 0) { 5014 cb.cb_version = SPA_VERSION; 5015 } else if (!upgradeall && argc == 0) { 5016 (void) fprintf(stderr, gettext("-V option is " 5017 "incompatible with other arguments\n")); 5018 usage(B_FALSE); 5019 } 5020 5021 if (showversions) { 5022 if (upgradeall || argc != 0) { 5023 (void) fprintf(stderr, gettext("-v option is " 5024 "incompatible with other arguments\n")); 5025 usage(B_FALSE); 5026 } 5027 } else if (upgradeall) { 5028 if (argc != 0) { 5029 (void) fprintf(stderr, gettext("-a option should not " 5030 "be used along with a pool name\n")); 5031 usage(B_FALSE); 5032 } 5033 } 5034 5035 (void) printf(gettext("This system supports ZFS pool feature " 5036 "flags.\n\n")); 5037 if (showversions) { 5038 int i; 5039 5040 (void) printf(gettext("The following features are " 5041 "supported:\n\n")); 5042 (void) printf(gettext("FEAT DESCRIPTION\n")); 5043 (void) printf("----------------------------------------------" 5044 "---------------\n"); 5045 for (i = 0; i < SPA_FEATURES; i++) { 5046 zfeature_info_t *fi = &spa_feature_table[i]; 5047 const char *ro = 5048 (fi->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ? 5049 " (read-only compatible)" : ""; 5050 5051 (void) printf("%-37s%s\n", fi->fi_uname, ro); 5052 (void) printf(" %s\n", fi->fi_desc); 5053 } 5054 (void) printf("\n"); 5055 5056 (void) printf(gettext("The following legacy versions are also " 5057 "supported:\n\n")); 5058 (void) printf(gettext("VER DESCRIPTION\n")); 5059 (void) printf("--- -----------------------------------------" 5060 "---------------\n"); 5061 (void) printf(gettext(" 1 Initial ZFS version\n")); 5062 (void) printf(gettext(" 2 Ditto blocks " 5063 "(replicated metadata)\n")); 5064 (void) printf(gettext(" 3 Hot spares and double parity " 5065 "RAID-Z\n")); 5066 (void) printf(gettext(" 4 zpool history\n")); 5067 (void) printf(gettext(" 5 Compression using the gzip " 5068 "algorithm\n")); 5069 (void) printf(gettext(" 6 bootfs pool property\n")); 5070 (void) printf(gettext(" 7 Separate intent log devices\n")); 5071 (void) printf(gettext(" 8 Delegated administration\n")); 5072 (void) printf(gettext(" 9 refquota and refreservation " 5073 "properties\n")); 5074 (void) printf(gettext(" 10 Cache devices\n")); 5075 (void) printf(gettext(" 11 Improved scrub performance\n")); 5076 (void) printf(gettext(" 12 Snapshot properties\n")); 5077 (void) printf(gettext(" 13 snapused property\n")); 5078 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 5079 (void) printf(gettext(" 15 user/group space accounting\n")); 5080 (void) printf(gettext(" 16 stmf property support\n")); 5081 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 5082 (void) printf(gettext(" 18 Snapshot user holds\n")); 5083 (void) printf(gettext(" 19 Log device removal\n")); 5084 (void) printf(gettext(" 20 Compression using zle " 5085 "(zero-length encoding)\n")); 5086 (void) printf(gettext(" 21 Deduplication\n")); 5087 (void) printf(gettext(" 22 Received properties\n")); 5088 (void) printf(gettext(" 23 Slim ZIL\n")); 5089 (void) printf(gettext(" 24 System attributes\n")); 5090 (void) printf(gettext(" 25 Improved scrub stats\n")); 5091 (void) printf(gettext(" 26 Improved snapshot deletion " 5092 "performance\n")); 5093 (void) printf(gettext(" 27 Improved snapshot creation " 5094 "performance\n")); 5095 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 5096 (void) printf(gettext("\nFor more information on a particular " 5097 "version, including supported releases,\n")); 5098 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 5099 } else if (argc == 0 && upgradeall) { 5100 cb.cb_first = B_TRUE; 5101 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 5102 if (ret == 0 && cb.cb_first) { 5103 if (cb.cb_version == SPA_VERSION) { 5104 (void) printf(gettext("All %spools are already " 5105 "formatted using feature flags.\n\n"), 5106 cb.cb_unavail ? gettext("available ") : ""); 5107 (void) printf(gettext("Every %sfeature flags " 5108 "pool already has all supported features " 5109 "enabled.\n"), 5110 cb.cb_unavail ? gettext("available ") : ""); 5111 } else { 5112 (void) printf(gettext("All pools are already " 5113 "formatted with version %llu or higher.\n"), 5114 cb.cb_version); 5115 } 5116 } 5117 } else if (argc == 0) { 5118 cb.cb_first = B_TRUE; 5119 ret = zpool_iter(g_zfs, upgrade_list_unavail, &cb); 5120 assert(ret == 0); 5121 5122 if (!cb.cb_first) { 5123 (void) fprintf(stderr, "\n"); 5124 } 5125 5126 cb.cb_first = B_TRUE; 5127 ret = zpool_iter(g_zfs, upgrade_list_older_cb, &cb); 5128 assert(ret == 0); 5129 5130 if (cb.cb_first) { 5131 (void) printf(gettext("All %spools are formatted using " 5132 "feature flags.\n\n"), cb.cb_unavail ? 5133 gettext("available ") : ""); 5134 } else { 5135 (void) printf(gettext("\nUse 'zpool upgrade -v' " 5136 "for a list of available legacy versions.\n")); 5137 } 5138 5139 cb.cb_first = B_TRUE; 5140 ret = zpool_iter(g_zfs, upgrade_list_disabled_cb, &cb); 5141 assert(ret == 0); 5142 5143 if (cb.cb_first) { 5144 (void) printf(gettext("Every %sfeature flags pool has " 5145 "all supported features enabled.\n"), 5146 cb.cb_unavail ? gettext("available ") : ""); 5147 } else { 5148 (void) printf(gettext("\n")); 5149 } 5150 } else { 5151 ret = for_each_pool(argc, argv, B_TRUE, NULL, 5152 upgrade_one, &cb); 5153 } 5154 5155 if (cb.cb_poolname[0] != '\0') { 5156 (void) printf( 5157 "If you boot from pool '%s', don't forget to update boot code.\n" 5158 "Assuming you use GPT partitioning and da0 is your boot disk\n" 5159 "the following command will do it:\n" 5160 "\n" 5161 "\tgpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0\n\n", 5162 cb.cb_poolname); 5163 } 5164 5165 return (ret); 5166} 5167 5168typedef struct hist_cbdata { 5169 boolean_t first; 5170 boolean_t longfmt; 5171 boolean_t internal; 5172} hist_cbdata_t; 5173 5174/* 5175 * Print out the command history for a specific pool. 5176 */ 5177static int 5178get_history_one(zpool_handle_t *zhp, void *data) 5179{ 5180 nvlist_t *nvhis; 5181 nvlist_t **records; 5182 uint_t numrecords; 5183 int ret, i; 5184 hist_cbdata_t *cb = (hist_cbdata_t *)data; 5185 5186 cb->first = B_FALSE; 5187 5188 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 5189 5190 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 5191 return (ret); 5192 5193 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 5194 &records, &numrecords) == 0); 5195 for (i = 0; i < numrecords; i++) { 5196 nvlist_t *rec = records[i]; 5197 char tbuf[30] = ""; 5198 5199 if (nvlist_exists(rec, ZPOOL_HIST_TIME)) { 5200 time_t tsec; 5201 struct tm t; 5202 5203 tsec = fnvlist_lookup_uint64(records[i], 5204 ZPOOL_HIST_TIME); 5205 (void) localtime_r(&tsec, &t); 5206 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 5207 } 5208 5209 if (nvlist_exists(rec, ZPOOL_HIST_CMD)) { 5210 (void) printf("%s %s", tbuf, 5211 fnvlist_lookup_string(rec, ZPOOL_HIST_CMD)); 5212 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_EVENT)) { 5213 int ievent = 5214 fnvlist_lookup_uint64(rec, ZPOOL_HIST_INT_EVENT); 5215 if (!cb->internal) 5216 continue; 5217 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) { 5218 (void) printf("%s unrecognized record:\n", 5219 tbuf); 5220 dump_nvlist(rec, 4); 5221 continue; 5222 } 5223 (void) printf("%s [internal %s txg:%lld] %s", tbuf, 5224 zfs_history_event_names[ievent], 5225 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 5226 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_STR)); 5227 } else if (nvlist_exists(rec, ZPOOL_HIST_INT_NAME)) { 5228 if (!cb->internal) 5229 continue; 5230 (void) printf("%s [txg:%lld] %s", tbuf, 5231 fnvlist_lookup_uint64(rec, ZPOOL_HIST_TXG), 5232 fnvlist_lookup_string(rec, ZPOOL_HIST_INT_NAME)); 5233 if (nvlist_exists(rec, ZPOOL_HIST_DSNAME)) { 5234 (void) printf(" %s (%llu)", 5235 fnvlist_lookup_string(rec, 5236 ZPOOL_HIST_DSNAME), 5237 fnvlist_lookup_uint64(rec, 5238 ZPOOL_HIST_DSID)); 5239 } 5240 (void) printf(" %s", fnvlist_lookup_string(rec, 5241 ZPOOL_HIST_INT_STR)); 5242 } else if (nvlist_exists(rec, ZPOOL_HIST_IOCTL)) { 5243 if (!cb->internal) 5244 continue; 5245 (void) printf("%s ioctl %s\n", tbuf, 5246 fnvlist_lookup_string(rec, ZPOOL_HIST_IOCTL)); 5247 if (nvlist_exists(rec, ZPOOL_HIST_INPUT_NVL)) { 5248 (void) printf(" input:\n"); 5249 dump_nvlist(fnvlist_lookup_nvlist(rec, 5250 ZPOOL_HIST_INPUT_NVL), 8); 5251 } 5252 if (nvlist_exists(rec, ZPOOL_HIST_OUTPUT_NVL)) { 5253 (void) printf(" output:\n"); 5254 dump_nvlist(fnvlist_lookup_nvlist(rec, 5255 ZPOOL_HIST_OUTPUT_NVL), 8); 5256 } 5257 if (nvlist_exists(rec, ZPOOL_HIST_ERRNO)) { 5258 (void) printf(" errno: %lld\n", 5259 fnvlist_lookup_int64(rec, 5260 ZPOOL_HIST_ERRNO)); 5261 } 5262 } else { 5263 if (!cb->internal) 5264 continue; 5265 (void) printf("%s unrecognized record:\n", tbuf); 5266 dump_nvlist(rec, 4); 5267 } 5268 5269 if (!cb->longfmt) { 5270 (void) printf("\n"); 5271 continue; 5272 } 5273 (void) printf(" ["); 5274 if (nvlist_exists(rec, ZPOOL_HIST_WHO)) { 5275 uid_t who = fnvlist_lookup_uint64(rec, ZPOOL_HIST_WHO); 5276 struct passwd *pwd = getpwuid(who); 5277 (void) printf("user %d ", (int)who); 5278 if (pwd != NULL) 5279 (void) printf("(%s) ", pwd->pw_name); 5280 } 5281 if (nvlist_exists(rec, ZPOOL_HIST_HOST)) { 5282 (void) printf("on %s", 5283 fnvlist_lookup_string(rec, ZPOOL_HIST_HOST)); 5284 } 5285 if (nvlist_exists(rec, ZPOOL_HIST_ZONE)) { 5286 (void) printf(":%s", 5287 fnvlist_lookup_string(rec, ZPOOL_HIST_ZONE)); 5288 } 5289 (void) printf("]"); 5290 (void) printf("\n"); 5291 } 5292 (void) printf("\n"); 5293 nvlist_free(nvhis); 5294 5295 return (ret); 5296} 5297 5298/* 5299 * zpool history <pool> 5300 * 5301 * Displays the history of commands that modified pools. 5302 */ 5303int 5304zpool_do_history(int argc, char **argv) 5305{ 5306 hist_cbdata_t cbdata = { 0 }; 5307 int ret; 5308 int c; 5309 5310 cbdata.first = B_TRUE; 5311 /* check options */ 5312 while ((c = getopt(argc, argv, "li")) != -1) { 5313 switch (c) { 5314 case 'l': 5315 cbdata.longfmt = B_TRUE; 5316 break; 5317 case 'i': 5318 cbdata.internal = B_TRUE; 5319 break; 5320 case '?': 5321 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5322 optopt); 5323 usage(B_FALSE); 5324 } 5325 } 5326 argc -= optind; 5327 argv += optind; 5328 5329 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 5330 &cbdata); 5331 5332 if (argc == 0 && cbdata.first == B_TRUE) { 5333 (void) printf(gettext("no pools available\n")); 5334 return (0); 5335 } 5336 5337 return (ret); 5338} 5339 5340static int 5341get_callback(zpool_handle_t *zhp, void *data) 5342{ 5343 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 5344 char value[MAXNAMELEN]; 5345 zprop_source_t srctype; 5346 zprop_list_t *pl; 5347 5348 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 5349 5350 /* 5351 * Skip the special fake placeholder. This will also skip 5352 * over the name property when 'all' is specified. 5353 */ 5354 if (pl->pl_prop == ZPOOL_PROP_NAME && 5355 pl == cbp->cb_proplist) 5356 continue; 5357 5358 if (pl->pl_prop == ZPROP_INVAL && 5359 (zpool_prop_feature(pl->pl_user_prop) || 5360 zpool_prop_unsupported(pl->pl_user_prop))) { 5361 srctype = ZPROP_SRC_LOCAL; 5362 5363 if (zpool_prop_get_feature(zhp, pl->pl_user_prop, 5364 value, sizeof (value)) == 0) { 5365 zprop_print_one_property(zpool_get_name(zhp), 5366 cbp, pl->pl_user_prop, value, srctype, 5367 NULL, NULL); 5368 } 5369 } else { 5370 if (zpool_get_prop(zhp, pl->pl_prop, value, 5371 sizeof (value), &srctype, cbp->cb_literal) != 0) 5372 continue; 5373 5374 zprop_print_one_property(zpool_get_name(zhp), cbp, 5375 zpool_prop_to_name(pl->pl_prop), value, srctype, 5376 NULL, NULL); 5377 } 5378 } 5379 return (0); 5380} 5381 5382/* 5383 * zpool get [-Hp] [-o "all" | field[,...]] <"all" | property[,...]> <pool> ... 5384 * 5385 * -H Scripted mode. Don't display headers, and separate properties 5386 * by a single tab. 5387 * -o List of columns to display. Defaults to 5388 * "name,property,value,source". 5389 * -p Diplay values in parsable (exact) format. 5390 * 5391 * Get properties of pools in the system. Output space statistics 5392 * for each one as well as other attributes. 5393 */ 5394int 5395zpool_do_get(int argc, char **argv) 5396{ 5397 zprop_get_cbdata_t cb = { 0 }; 5398 zprop_list_t fake_name = { 0 }; 5399 int ret; 5400 int c, i; 5401 char *value; 5402 5403 cb.cb_first = B_TRUE; 5404 5405 /* 5406 * Set up default columns and sources. 5407 */ 5408 cb.cb_sources = ZPROP_SRC_ALL; 5409 cb.cb_columns[0] = GET_COL_NAME; 5410 cb.cb_columns[1] = GET_COL_PROPERTY; 5411 cb.cb_columns[2] = GET_COL_VALUE; 5412 cb.cb_columns[3] = GET_COL_SOURCE; 5413 cb.cb_type = ZFS_TYPE_POOL; 5414 5415 /* check options */ 5416 while ((c = getopt(argc, argv, ":Hpo:")) != -1) { 5417 switch (c) { 5418 case 'p': 5419 cb.cb_literal = B_TRUE; 5420 break; 5421 case 'H': 5422 cb.cb_scripted = B_TRUE; 5423 break; 5424 case 'o': 5425 bzero(&cb.cb_columns, sizeof (cb.cb_columns)); 5426 i = 0; 5427 while (*optarg != '\0') { 5428 static char *col_subopts[] = 5429 { "name", "property", "value", "source", 5430 "all", NULL }; 5431 5432 if (i == ZFS_GET_NCOLS) { 5433 (void) fprintf(stderr, gettext("too " 5434 "many fields given to -o " 5435 "option\n")); 5436 usage(B_FALSE); 5437 } 5438 5439 switch (getsubopt(&optarg, col_subopts, 5440 &value)) { 5441 case 0: 5442 cb.cb_columns[i++] = GET_COL_NAME; 5443 break; 5444 case 1: 5445 cb.cb_columns[i++] = GET_COL_PROPERTY; 5446 break; 5447 case 2: 5448 cb.cb_columns[i++] = GET_COL_VALUE; 5449 break; 5450 case 3: 5451 cb.cb_columns[i++] = GET_COL_SOURCE; 5452 break; 5453 case 4: 5454 if (i > 0) { 5455 (void) fprintf(stderr, 5456 gettext("\"all\" conflicts " 5457 "with specific fields " 5458 "given to -o option\n")); 5459 usage(B_FALSE); 5460 } 5461 cb.cb_columns[0] = GET_COL_NAME; 5462 cb.cb_columns[1] = GET_COL_PROPERTY; 5463 cb.cb_columns[2] = GET_COL_VALUE; 5464 cb.cb_columns[3] = GET_COL_SOURCE; 5465 i = ZFS_GET_NCOLS; 5466 break; 5467 default: 5468 (void) fprintf(stderr, 5469 gettext("invalid column name " 5470 "'%s'\n"), suboptarg); 5471 usage(B_FALSE); 5472 } 5473 } 5474 break; 5475 case '?': 5476 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5477 optopt); 5478 usage(B_FALSE); 5479 } 5480 } 5481 5482 argc -= optind; 5483 argv += optind; 5484 5485 if (argc < 1) { 5486 (void) fprintf(stderr, gettext("missing property " 5487 "argument\n")); 5488 usage(B_FALSE); 5489 } 5490 5491 if (zprop_get_list(g_zfs, argv[0], &cb.cb_proplist, 5492 ZFS_TYPE_POOL) != 0) 5493 usage(B_FALSE); 5494 5495 argc--; 5496 argv++; 5497 5498 if (cb.cb_proplist != NULL) { 5499 fake_name.pl_prop = ZPOOL_PROP_NAME; 5500 fake_name.pl_width = strlen(gettext("NAME")); 5501 fake_name.pl_next = cb.cb_proplist; 5502 cb.cb_proplist = &fake_name; 5503 } 5504 5505 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 5506 get_callback, &cb); 5507 5508 if (cb.cb_proplist == &fake_name) 5509 zprop_free_list(fake_name.pl_next); 5510 else 5511 zprop_free_list(cb.cb_proplist); 5512 5513 return (ret); 5514} 5515 5516typedef struct set_cbdata { 5517 char *cb_propname; 5518 char *cb_value; 5519 boolean_t cb_any_successful; 5520} set_cbdata_t; 5521 5522int 5523set_callback(zpool_handle_t *zhp, void *data) 5524{ 5525 int error; 5526 set_cbdata_t *cb = (set_cbdata_t *)data; 5527 5528 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 5529 5530 if (!error) 5531 cb->cb_any_successful = B_TRUE; 5532 5533 return (error); 5534} 5535 5536int 5537zpool_do_set(int argc, char **argv) 5538{ 5539 set_cbdata_t cb = { 0 }; 5540 int error; 5541 5542 if (argc > 1 && argv[1][0] == '-') { 5543 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5544 argv[1][1]); 5545 usage(B_FALSE); 5546 } 5547 5548 if (argc < 2) { 5549 (void) fprintf(stderr, gettext("missing property=value " 5550 "argument\n")); 5551 usage(B_FALSE); 5552 } 5553 5554 if (argc < 3) { 5555 (void) fprintf(stderr, gettext("missing pool name\n")); 5556 usage(B_FALSE); 5557 } 5558 5559 if (argc > 3) { 5560 (void) fprintf(stderr, gettext("too many pool names\n")); 5561 usage(B_FALSE); 5562 } 5563 5564 cb.cb_propname = argv[1]; 5565 cb.cb_value = strchr(cb.cb_propname, '='); 5566 if (cb.cb_value == NULL) { 5567 (void) fprintf(stderr, gettext("missing value in " 5568 "property=value argument\n")); 5569 usage(B_FALSE); 5570 } 5571 5572 *(cb.cb_value) = '\0'; 5573 cb.cb_value++; 5574 5575 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 5576 set_callback, &cb); 5577 5578 return (error); 5579} 5580 5581static int 5582find_command_idx(char *command, int *idx) 5583{ 5584 int i; 5585 5586 for (i = 0; i < NCOMMAND; i++) { 5587 if (command_table[i].name == NULL) 5588 continue; 5589 5590 if (strcmp(command, command_table[i].name) == 0) { 5591 *idx = i; 5592 return (0); 5593 } 5594 } 5595 return (1); 5596} 5597 5598int 5599main(int argc, char **argv) 5600{ 5601 int ret = 0; 5602 int i; 5603 char *cmdname; 5604 5605 (void) setlocale(LC_ALL, ""); 5606 (void) textdomain(TEXT_DOMAIN); 5607 5608 if ((g_zfs = libzfs_init()) == NULL) { 5609 (void) fprintf(stderr, gettext("internal error: failed to " 5610 "initialize ZFS library\n")); 5611 return (1); 5612 } 5613 5614 libzfs_print_on_error(g_zfs, B_TRUE); 5615 5616 opterr = 0; 5617 5618 /* 5619 * Make sure the user has specified some command. 5620 */ 5621 if (argc < 2) { 5622 (void) fprintf(stderr, gettext("missing command\n")); 5623 usage(B_FALSE); 5624 } 5625 5626 cmdname = argv[1]; 5627 5628 /* 5629 * Special case '-?' 5630 */ 5631 if (strcmp(cmdname, "-?") == 0) 5632 usage(B_TRUE); 5633 5634 zfs_save_arguments(argc, argv, history_str, sizeof (history_str)); 5635 5636 /* 5637 * Run the appropriate command. 5638 */ 5639 if (find_command_idx(cmdname, &i) == 0) { 5640 current_command = &command_table[i]; 5641 ret = command_table[i].func(argc - 1, argv + 1); 5642 } else if (strchr(cmdname, '=')) { 5643 verify(find_command_idx("set", &i) == 0); 5644 current_command = &command_table[i]; 5645 ret = command_table[i].func(argc, argv); 5646 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 5647 /* 5648 * 'freeze' is a vile debugging abomination, so we treat 5649 * it as such. 5650 */ 5651 zfs_cmd_t zc = { 0 }; 5652 (void) strlcpy(zc.zc_name, argv[2], sizeof (zc.zc_name)); 5653 return (!!zfs_ioctl(g_zfs, ZFS_IOC_POOL_FREEZE, &zc)); 5654 } else { 5655 (void) fprintf(stderr, gettext("unrecognized " 5656 "command '%s'\n"), cmdname); 5657 usage(B_FALSE); 5658 } 5659 5660 if (ret == 0 && log_history) 5661 (void) zpool_log_history(g_zfs, history_str); 5662 5663 libzfs_fini(g_zfs); 5664 5665 /* 5666 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 5667 * for the purposes of running ::findleaks. 5668 */ 5669 if (getenv("ZFS_ABORT") != NULL) { 5670 (void) printf("dumping core by request\n"); 5671 abort(); 5672 } 5673 5674 return (ret); 5675} 5676