zpool_main.c revision 219089
113547Sjulian/* 213547Sjulian * CDDL HEADER START 313547Sjulian * 413547Sjulian * The contents of this file are subject to the terms of the 513547Sjulian * Common Development and Distribution License (the "License"). 613547Sjulian * You may not use this file except in compliance with the License. 713547Sjulian * 813547Sjulian * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 913547Sjulian * or http://www.opensolaris.org/os/licensing. 1013547Sjulian * See the License for the specific language governing permissions 1113547Sjulian * and limitations under the License. 1213547Sjulian * 1313547Sjulian * When distributing Covered Code, include this CDDL HEADER in each 1413547Sjulian * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 1513547Sjulian * If applicable, add the following below this CDDL HEADER, with the 1613547Sjulian * fields enclosed by brackets "[]" replaced with your own identifying 1713547Sjulian * information: Portions Copyright [yyyy] [name of copyright owner] 1813547Sjulian * 1913547Sjulian * CDDL HEADER END 2013547Sjulian */ 2113547Sjulian 2213547Sjulian/* 2313547Sjulian * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 2413547Sjulian */ 2513547Sjulian 2613547Sjulian#include <solaris.h> 2713547Sjulian#include <assert.h> 2813547Sjulian#include <ctype.h> 2913547Sjulian#include <dirent.h> 3013547Sjulian#include <errno.h> 3113547Sjulian#include <fcntl.h> 3250473Speter#include <libgen.h> 3313547Sjulian#include <libintl.h> 3413547Sjulian#include <libuutil.h> 3513547Sjulian#include <locale.h> 3613547Sjulian#include <stdio.h> 3713547Sjulian#include <stdlib.h> 3813547Sjulian#include <string.h> 3913547Sjulian#include <strings.h> 4013547Sjulian#include <unistd.h> 4113547Sjulian#include <priv.h> 4213547Sjulian#include <pwd.h> 4313547Sjulian#include <zone.h> 4413547Sjulian#include <sys/time.h> 4513547Sjulian#include <sys/fs/zfs.h> 46#include <sys/stat.h> 47 48#include <libzfs.h> 49 50#include "zpool_util.h" 51#include "zfs_comutil.h" 52 53#include "statcommon.h" 54 55static int zpool_do_create(int, char **); 56static int zpool_do_destroy(int, char **); 57 58static int zpool_do_add(int, char **); 59static int zpool_do_remove(int, char **); 60 61static int zpool_do_list(int, char **); 62static int zpool_do_iostat(int, char **); 63static int zpool_do_status(int, char **); 64 65static int zpool_do_online(int, char **); 66static int zpool_do_offline(int, char **); 67static int zpool_do_clear(int, char **); 68 69static int zpool_do_attach(int, char **); 70static int zpool_do_detach(int, char **); 71static int zpool_do_replace(int, char **); 72static int zpool_do_split(int, char **); 73 74static int zpool_do_scrub(int, char **); 75 76static int zpool_do_import(int, char **); 77static int zpool_do_export(int, char **); 78 79static int zpool_do_upgrade(int, char **); 80 81static int zpool_do_history(int, char **); 82 83static int zpool_do_get(int, char **); 84static int zpool_do_set(int, char **); 85 86/* 87 * These libumem hooks provide a reasonable set of defaults for the allocator's 88 * debugging facilities. 89 */ 90 91#ifdef DEBUG 92const char * 93_umem_debug_init(void) 94{ 95 return ("default,verbose"); /* $UMEM_DEBUG setting */ 96} 97 98const char * 99_umem_logging_init(void) 100{ 101 return ("fail,contents"); /* $UMEM_LOGGING setting */ 102} 103#endif 104 105typedef enum { 106 HELP_ADD, 107 HELP_ATTACH, 108 HELP_CLEAR, 109 HELP_CREATE, 110 HELP_DESTROY, 111 HELP_DETACH, 112 HELP_EXPORT, 113 HELP_HISTORY, 114 HELP_IMPORT, 115 HELP_IOSTAT, 116 HELP_LIST, 117 HELP_OFFLINE, 118 HELP_ONLINE, 119 HELP_REPLACE, 120 HELP_REMOVE, 121 HELP_SCRUB, 122 HELP_STATUS, 123 HELP_UPGRADE, 124 HELP_GET, 125 HELP_SET, 126 HELP_SPLIT 127} zpool_help_t; 128 129 130typedef struct zpool_command { 131 const char *name; 132 int (*func)(int, char **); 133 zpool_help_t usage; 134} zpool_command_t; 135 136/* 137 * Master command table. Each ZFS command has a name, associated function, and 138 * usage message. The usage messages need to be internationalized, so we have 139 * to have a function to return the usage message based on a command index. 140 * 141 * These commands are organized according to how they are displayed in the usage 142 * message. An empty command (one with a NULL name) indicates an empty line in 143 * the generic usage message. 144 */ 145static zpool_command_t command_table[] = { 146 { "create", zpool_do_create, HELP_CREATE }, 147 { "destroy", zpool_do_destroy, HELP_DESTROY }, 148 { NULL }, 149 { "add", zpool_do_add, HELP_ADD }, 150 { "remove", zpool_do_remove, HELP_REMOVE }, 151 { NULL }, 152 { "list", zpool_do_list, HELP_LIST }, 153 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 154 { "status", zpool_do_status, HELP_STATUS }, 155 { NULL }, 156 { "online", zpool_do_online, HELP_ONLINE }, 157 { "offline", zpool_do_offline, HELP_OFFLINE }, 158 { "clear", zpool_do_clear, HELP_CLEAR }, 159 { NULL }, 160 { "attach", zpool_do_attach, HELP_ATTACH }, 161 { "detach", zpool_do_detach, HELP_DETACH }, 162 { "replace", zpool_do_replace, HELP_REPLACE }, 163 { "split", zpool_do_split, HELP_SPLIT }, 164 { NULL }, 165 { "scrub", zpool_do_scrub, HELP_SCRUB }, 166 { NULL }, 167 { "import", zpool_do_import, HELP_IMPORT }, 168 { "export", zpool_do_export, HELP_EXPORT }, 169 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 170 { NULL }, 171 { "history", zpool_do_history, HELP_HISTORY }, 172 { "get", zpool_do_get, HELP_GET }, 173 { "set", zpool_do_set, HELP_SET }, 174}; 175 176#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 177 178zpool_command_t *current_command; 179static char history_str[HIS_MAX_RECORD_LEN]; 180 181static uint_t timestamp_fmt = NODATE; 182 183static const char * 184get_usage(zpool_help_t idx) { 185 switch (idx) { 186 case HELP_ADD: 187 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 188 case HELP_ATTACH: 189 return (gettext("\tattach [-f] <pool> <device> " 190 "<new-device>\n")); 191 case HELP_CLEAR: 192 return (gettext("\tclear [-nF] <pool> [device]\n")); 193 case HELP_CREATE: 194 return (gettext("\tcreate [-fn] [-o property=value] ... \n" 195 "\t [-O file-system-property=value] ... \n" 196 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 197 case HELP_DESTROY: 198 return (gettext("\tdestroy [-f] <pool>\n")); 199 case HELP_DETACH: 200 return (gettext("\tdetach <pool> <device>\n")); 201 case HELP_EXPORT: 202 return (gettext("\texport [-f] <pool> ...\n")); 203 case HELP_HISTORY: 204 return (gettext("\thistory [-il] [<pool>] ...\n")); 205 case HELP_IMPORT: 206 return (gettext("\timport [-d dir] [-D]\n" 207 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n" 208 "\timport [-o mntopts] [-o property=value] ... \n" 209 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 210 "[-R root] [-F [-n]] -a\n" 211 "\timport [-o mntopts] [-o property=value] ... \n" 212 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 213 "[-R root] [-F [-n]]\n" 214 "\t <pool | id> [newpool]\n")); 215 case HELP_IOSTAT: 216 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval " 217 "[count]]\n")); 218 case HELP_LIST: 219 return (gettext("\tlist [-H] [-o property[,...]] " 220 "[-T d|u] [pool] ... [interval [count]]\n")); 221 case HELP_OFFLINE: 222 return (gettext("\toffline [-t] <pool> <device> ...\n")); 223 case HELP_ONLINE: 224 return (gettext("\tonline <pool> <device> ...\n")); 225 case HELP_REPLACE: 226 return (gettext("\treplace [-f] <pool> <device> " 227 "[new-device]\n")); 228 case HELP_REMOVE: 229 return (gettext("\tremove <pool> <device> ...\n")); 230 case HELP_SCRUB: 231 return (gettext("\tscrub [-s] <pool> ...\n")); 232 case HELP_STATUS: 233 return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval " 234 "[count]]\n")); 235 case HELP_UPGRADE: 236 return (gettext("\tupgrade\n" 237 "\tupgrade -v\n" 238 "\tupgrade [-V version] <-a | pool ...>\n")); 239 case HELP_GET: 240 return (gettext("\tget <\"all\" | property[,...]> " 241 "<pool> ...\n")); 242 case HELP_SET: 243 return (gettext("\tset <property=value> <pool> \n")); 244 case HELP_SPLIT: 245 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 246 "\t [-o property=value] <pool> <newpool> " 247 "[<device> ...]\n")); 248 } 249 250 abort(); 251 /* NOTREACHED */ 252} 253 254 255/* 256 * Callback routine that will print out a pool property value. 257 */ 258static int 259print_prop_cb(int prop, void *cb) 260{ 261 FILE *fp = cb; 262 263 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 264 265 if (zpool_prop_readonly(prop)) 266 (void) fprintf(fp, " NO "); 267 else 268 (void) fprintf(fp, " YES "); 269 270 if (zpool_prop_values(prop) == NULL) 271 (void) fprintf(fp, "-\n"); 272 else 273 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 274 275 return (ZPROP_CONT); 276} 277 278/* 279 * Display usage message. If we're inside a command, display only the usage for 280 * that command. Otherwise, iterate over the entire command table and display 281 * a complete usage message. 282 */ 283void 284usage(boolean_t requested) 285{ 286 FILE *fp = requested ? stdout : stderr; 287 288 if (current_command == NULL) { 289 int i; 290 291 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 292 (void) fprintf(fp, 293 gettext("where 'command' is one of the following:\n\n")); 294 295 for (i = 0; i < NCOMMAND; i++) { 296 if (command_table[i].name == NULL) 297 (void) fprintf(fp, "\n"); 298 else 299 (void) fprintf(fp, "%s", 300 get_usage(command_table[i].usage)); 301 } 302 } else { 303 (void) fprintf(fp, gettext("usage:\n")); 304 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 305 } 306 307 if (current_command != NULL && 308 ((strcmp(current_command->name, "set") == 0) || 309 (strcmp(current_command->name, "get") == 0) || 310 (strcmp(current_command->name, "list") == 0))) { 311 312 (void) fprintf(fp, 313 gettext("\nthe following properties are supported:\n")); 314 315 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 316 "PROPERTY", "EDIT", "VALUES"); 317 318 /* Iterate over all properties */ 319 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 320 ZFS_TYPE_POOL); 321 } 322 323 /* 324 * See comments at end of main(). 325 */ 326 if (getenv("ZFS_ABORT") != NULL) { 327 (void) printf("dumping core by request\n"); 328 abort(); 329 } 330 331 exit(requested ? 0 : 2); 332} 333 334void 335print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 336 boolean_t print_logs) 337{ 338 nvlist_t **child; 339 uint_t c, children; 340 char *vname; 341 342 if (name != NULL) 343 (void) printf("\t%*s%s\n", indent, "", name); 344 345 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 346 &child, &children) != 0) 347 return; 348 349 for (c = 0; c < children; c++) { 350 uint64_t is_log = B_FALSE; 351 352 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 353 &is_log); 354 if ((is_log && !print_logs) || (!is_log && print_logs)) 355 continue; 356 357 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 358 print_vdev_tree(zhp, vname, child[c], indent + 2, 359 B_FALSE); 360 free(vname); 361 } 362} 363 364/* 365 * Add a property pair (name, string-value) into a property nvlist. 366 */ 367static int 368add_prop_list(const char *propname, char *propval, nvlist_t **props, 369 boolean_t poolprop) 370{ 371 zpool_prop_t prop = ZPROP_INVAL; 372 zfs_prop_t fprop; 373 nvlist_t *proplist; 374 const char *normnm; 375 char *strval; 376 377 if (*props == NULL && 378 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 379 (void) fprintf(stderr, 380 gettext("internal error: out of memory\n")); 381 return (1); 382 } 383 384 proplist = *props; 385 386 if (poolprop) { 387 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 388 (void) fprintf(stderr, gettext("property '%s' is " 389 "not a valid pool property\n"), propname); 390 return (2); 391 } 392 normnm = zpool_prop_to_name(prop); 393 } else { 394 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 395 normnm = zfs_prop_to_name(fprop); 396 } else { 397 normnm = propname; 398 } 399 } 400 401 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 402 prop != ZPOOL_PROP_CACHEFILE) { 403 (void) fprintf(stderr, gettext("property '%s' " 404 "specified multiple times\n"), propname); 405 return (2); 406 } 407 408 if (nvlist_add_string(proplist, normnm, propval) != 0) { 409 (void) fprintf(stderr, gettext("internal " 410 "error: out of memory\n")); 411 return (1); 412 } 413 414 return (0); 415} 416 417/* 418 * zpool add [-fn] <pool> <vdev> ... 419 * 420 * -f Force addition of devices, even if they appear in use 421 * -n Do not add the devices, but display the resulting layout if 422 * they were to be added. 423 * 424 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 425 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 426 * libzfs. 427 */ 428int 429zpool_do_add(int argc, char **argv) 430{ 431 boolean_t force = B_FALSE; 432 boolean_t dryrun = B_FALSE; 433 int c; 434 nvlist_t *nvroot; 435 char *poolname; 436 int ret; 437 zpool_handle_t *zhp; 438 nvlist_t *config; 439 440 /* check options */ 441 while ((c = getopt(argc, argv, "fn")) != -1) { 442 switch (c) { 443 case 'f': 444 force = B_TRUE; 445 break; 446 case 'n': 447 dryrun = B_TRUE; 448 break; 449 case '?': 450 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 451 optopt); 452 usage(B_FALSE); 453 } 454 } 455 456 argc -= optind; 457 argv += optind; 458 459 /* get pool name and check number of arguments */ 460 if (argc < 1) { 461 (void) fprintf(stderr, gettext("missing pool name argument\n")); 462 usage(B_FALSE); 463 } 464 if (argc < 2) { 465 (void) fprintf(stderr, gettext("missing vdev specification\n")); 466 usage(B_FALSE); 467 } 468 469 poolname = argv[0]; 470 471 argc--; 472 argv++; 473 474 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 475 return (1); 476 477 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 478 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 479 poolname); 480 zpool_close(zhp); 481 return (1); 482 } 483 484 /* pass off to get_vdev_spec for processing */ 485 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 486 argc, argv); 487 if (nvroot == NULL) { 488 zpool_close(zhp); 489 return (1); 490 } 491 492 if (dryrun) { 493 nvlist_t *poolnvroot; 494 495 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 496 &poolnvroot) == 0); 497 498 (void) printf(gettext("would update '%s' to the following " 499 "configuration:\n"), zpool_get_name(zhp)); 500 501 /* print original main pool and new tree */ 502 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 503 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 504 505 /* Do the same for the logs */ 506 if (num_logs(poolnvroot) > 0) { 507 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 508 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 509 } else if (num_logs(nvroot) > 0) { 510 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 511 } 512 513 ret = 0; 514 } else { 515 ret = (zpool_add(zhp, nvroot) != 0); 516 } 517 518 nvlist_free(nvroot); 519 zpool_close(zhp); 520 521 return (ret); 522} 523 524/* 525 * zpool remove <pool> <vdev> ... 526 * 527 * Removes the given vdev from the pool. Currently, this supports removing 528 * spares, cache, and log devices from the pool. 529 */ 530int 531zpool_do_remove(int argc, char **argv) 532{ 533 char *poolname; 534 int i, ret = 0; 535 zpool_handle_t *zhp; 536 537 argc--; 538 argv++; 539 540 /* get pool name and check number of arguments */ 541 if (argc < 1) { 542 (void) fprintf(stderr, gettext("missing pool name argument\n")); 543 usage(B_FALSE); 544 } 545 if (argc < 2) { 546 (void) fprintf(stderr, gettext("missing device\n")); 547 usage(B_FALSE); 548 } 549 550 poolname = argv[0]; 551 552 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 553 return (1); 554 555 for (i = 1; i < argc; i++) { 556 if (zpool_vdev_remove(zhp, argv[i]) != 0) 557 ret = 1; 558 } 559 560 return (ret); 561} 562 563/* 564 * zpool create [-fn] [-o property=value] ... 565 * [-O file-system-property=value] ... 566 * [-R root] [-m mountpoint] <pool> <dev> ... 567 * 568 * -f Force creation, even if devices appear in use 569 * -n Do not create the pool, but display the resulting layout if it 570 * were to be created. 571 * -R Create a pool under an alternate root 572 * -m Set default mountpoint for the root dataset. By default it's 573 * '/<pool>' 574 * -o Set property=value. 575 * -O Set fsproperty=value in the pool's root file system 576 * 577 * Creates the named pool according to the given vdev specification. The 578 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once 579 * we get the nvlist back from get_vdev_spec(), we either print out the contents 580 * (if '-n' was specified), or pass it to libzfs to do the creation. 581 */ 582int 583zpool_do_create(int argc, char **argv) 584{ 585 boolean_t force = B_FALSE; 586 boolean_t dryrun = B_FALSE; 587 int c; 588 nvlist_t *nvroot = NULL; 589 char *poolname; 590 int ret = 1; 591 char *altroot = NULL; 592 char *mountpoint = NULL; 593 nvlist_t *fsprops = NULL; 594 nvlist_t *props = NULL; 595 char *propval; 596 597 /* check options */ 598 while ((c = getopt(argc, argv, ":fnR:m:o:O:")) != -1) { 599 switch (c) { 600 case 'f': 601 force = B_TRUE; 602 break; 603 case 'n': 604 dryrun = B_TRUE; 605 break; 606 case 'R': 607 altroot = optarg; 608 if (add_prop_list(zpool_prop_to_name( 609 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 610 goto errout; 611 if (nvlist_lookup_string(props, 612 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 613 &propval) == 0) 614 break; 615 if (add_prop_list(zpool_prop_to_name( 616 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 617 goto errout; 618 break; 619 case 'm': 620 mountpoint = optarg; 621 break; 622 case 'o': 623 if ((propval = strchr(optarg, '=')) == NULL) { 624 (void) fprintf(stderr, gettext("missing " 625 "'=' for -o option\n")); 626 goto errout; 627 } 628 *propval = '\0'; 629 propval++; 630 631 if (add_prop_list(optarg, propval, &props, B_TRUE)) 632 goto errout; 633 break; 634 case 'O': 635 if ((propval = strchr(optarg, '=')) == NULL) { 636 (void) fprintf(stderr, gettext("missing " 637 "'=' for -O option\n")); 638 goto errout; 639 } 640 *propval = '\0'; 641 propval++; 642 643 if (add_prop_list(optarg, propval, &fsprops, B_FALSE)) 644 goto errout; 645 break; 646 case ':': 647 (void) fprintf(stderr, gettext("missing argument for " 648 "'%c' option\n"), optopt); 649 goto badusage; 650 case '?': 651 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 652 optopt); 653 goto badusage; 654 } 655 } 656 657 argc -= optind; 658 argv += optind; 659 660 /* get pool name and check number of arguments */ 661 if (argc < 1) { 662 (void) fprintf(stderr, gettext("missing pool name argument\n")); 663 goto badusage; 664 } 665 if (argc < 2) { 666 (void) fprintf(stderr, gettext("missing vdev specification\n")); 667 goto badusage; 668 } 669 670 poolname = argv[0]; 671 672 /* 673 * As a special case, check for use of '/' in the name, and direct the 674 * user to use 'zfs create' instead. 675 */ 676 if (strchr(poolname, '/') != NULL) { 677 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 678 "character '/' in pool name\n"), poolname); 679 (void) fprintf(stderr, gettext("use 'zfs create' to " 680 "create a dataset\n")); 681 goto errout; 682 } 683 684 /* pass off to get_vdev_spec for bulk processing */ 685 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 686 argc - 1, argv + 1); 687 if (nvroot == NULL) 688 goto errout; 689 690 /* make_root_vdev() allows 0 toplevel children if there are spares */ 691 if (!zfs_allocatable_devs(nvroot)) { 692 (void) fprintf(stderr, gettext("invalid vdev " 693 "specification: at least one toplevel vdev must be " 694 "specified\n")); 695 goto errout; 696 } 697 698 699 if (altroot != NULL && altroot[0] != '/') { 700 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 701 "must be an absolute path\n"), altroot); 702 goto errout; 703 } 704 705 /* 706 * Check the validity of the mountpoint and direct the user to use the 707 * '-m' mountpoint option if it looks like its in use. 708 */ 709 if (mountpoint == NULL || 710 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 711 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) { 712 char buf[MAXPATHLEN]; 713 DIR *dirp; 714 715 if (mountpoint && mountpoint[0] != '/') { 716 (void) fprintf(stderr, gettext("invalid mountpoint " 717 "'%s': must be an absolute path, 'legacy', or " 718 "'none'\n"), mountpoint); 719 goto errout; 720 } 721 722 if (mountpoint == NULL) { 723 if (altroot != NULL) 724 (void) snprintf(buf, sizeof (buf), "%s/%s", 725 altroot, poolname); 726 else 727 (void) snprintf(buf, sizeof (buf), "/%s", 728 poolname); 729 } else { 730 if (altroot != NULL) 731 (void) snprintf(buf, sizeof (buf), "%s%s", 732 altroot, mountpoint); 733 else 734 (void) snprintf(buf, sizeof (buf), "%s", 735 mountpoint); 736 } 737 738 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 739 (void) fprintf(stderr, gettext("mountpoint '%s' : " 740 "%s\n"), buf, strerror(errno)); 741 (void) fprintf(stderr, gettext("use '-m' " 742 "option to provide a different default\n")); 743 goto errout; 744 } else if (dirp) { 745 int count = 0; 746 747 while (count < 3 && readdir(dirp) != NULL) 748 count++; 749 (void) closedir(dirp); 750 751 if (count > 2) { 752 (void) fprintf(stderr, gettext("mountpoint " 753 "'%s' exists and is not empty\n"), buf); 754 (void) fprintf(stderr, gettext("use '-m' " 755 "option to provide a " 756 "different default\n")); 757 goto errout; 758 } 759 } 760 } 761 762 if (dryrun) { 763 /* 764 * For a dry run invocation, print out a basic message and run 765 * through all the vdevs in the list and print out in an 766 * appropriate hierarchy. 767 */ 768 (void) printf(gettext("would create '%s' with the " 769 "following layout:\n\n"), poolname); 770 771 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 772 if (num_logs(nvroot) > 0) 773 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 774 775 ret = 0; 776 } else { 777 /* 778 * Hand off to libzfs. 779 */ 780 if (zpool_create(g_zfs, poolname, 781 nvroot, props, fsprops) == 0) { 782 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 783 ZFS_TYPE_FILESYSTEM); 784 if (pool != NULL) { 785 if (mountpoint != NULL) 786 verify(zfs_prop_set(pool, 787 zfs_prop_to_name( 788 ZFS_PROP_MOUNTPOINT), 789 mountpoint) == 0); 790 if (zfs_mount(pool, NULL, 0) == 0) 791 ret = zfs_shareall(pool); 792 zfs_close(pool); 793 } 794 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 795 (void) fprintf(stderr, gettext("pool name may have " 796 "been omitted\n")); 797 } 798 } 799 800errout: 801 nvlist_free(nvroot); 802 nvlist_free(fsprops); 803 nvlist_free(props); 804 return (ret); 805badusage: 806 nvlist_free(fsprops); 807 nvlist_free(props); 808 usage(B_FALSE); 809 return (2); 810} 811 812/* 813 * zpool destroy <pool> 814 * 815 * -f Forcefully unmount any datasets 816 * 817 * Destroy the given pool. Automatically unmounts any datasets in the pool. 818 */ 819int 820zpool_do_destroy(int argc, char **argv) 821{ 822 boolean_t force = B_FALSE; 823 int c; 824 char *pool; 825 zpool_handle_t *zhp; 826 int ret; 827 828 /* check options */ 829 while ((c = getopt(argc, argv, "f")) != -1) { 830 switch (c) { 831 case 'f': 832 force = B_TRUE; 833 break; 834 case '?': 835 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 836 optopt); 837 usage(B_FALSE); 838 } 839 } 840 841 argc -= optind; 842 argv += optind; 843 844 /* check arguments */ 845 if (argc < 1) { 846 (void) fprintf(stderr, gettext("missing pool argument\n")); 847 usage(B_FALSE); 848 } 849 if (argc > 1) { 850 (void) fprintf(stderr, gettext("too many arguments\n")); 851 usage(B_FALSE); 852 } 853 854 pool = argv[0]; 855 856 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 857 /* 858 * As a special case, check for use of '/' in the name, and 859 * direct the user to use 'zfs destroy' instead. 860 */ 861 if (strchr(pool, '/') != NULL) 862 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 863 "destroy a dataset\n")); 864 return (1); 865 } 866 867 if (zpool_disable_datasets(zhp, force) != 0) { 868 (void) fprintf(stderr, gettext("could not destroy '%s': " 869 "could not unmount datasets\n"), zpool_get_name(zhp)); 870 return (1); 871 } 872 873 ret = (zpool_destroy(zhp) != 0); 874 875 zpool_close(zhp); 876 877 return (ret); 878} 879 880/* 881 * zpool export [-f] <pool> ... 882 * 883 * -f Forcefully unmount datasets 884 * 885 * Export the given pools. By default, the command will attempt to cleanly 886 * unmount any active datasets within the pool. If the '-f' flag is specified, 887 * then the datasets will be forcefully unmounted. 888 */ 889int 890zpool_do_export(int argc, char **argv) 891{ 892 boolean_t force = B_FALSE; 893 boolean_t hardforce = B_FALSE; 894 int c; 895 zpool_handle_t *zhp; 896 int ret; 897 int i; 898 899 /* check options */ 900 while ((c = getopt(argc, argv, "fF")) != -1) { 901 switch (c) { 902 case 'f': 903 force = B_TRUE; 904 break; 905 case 'F': 906 hardforce = B_TRUE; 907 break; 908 case '?': 909 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 910 optopt); 911 usage(B_FALSE); 912 } 913 } 914 915 argc -= optind; 916 argv += optind; 917 918 /* check arguments */ 919 if (argc < 1) { 920 (void) fprintf(stderr, gettext("missing pool argument\n")); 921 usage(B_FALSE); 922 } 923 924 ret = 0; 925 for (i = 0; i < argc; i++) { 926 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 927 ret = 1; 928 continue; 929 } 930 931 if (zpool_disable_datasets(zhp, force) != 0) { 932 ret = 1; 933 zpool_close(zhp); 934 continue; 935 } 936 937 if (hardforce) { 938 if (zpool_export_force(zhp) != 0) 939 ret = 1; 940 } else if (zpool_export(zhp, force) != 0) { 941 ret = 1; 942 } 943 944 zpool_close(zhp); 945 } 946 947 return (ret); 948} 949 950/* 951 * Given a vdev configuration, determine the maximum width needed for the device 952 * name column. 953 */ 954static int 955max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 956{ 957 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 958 nvlist_t **child; 959 uint_t c, children; 960 int ret; 961 962 if (strlen(name) + depth > max) 963 max = strlen(name) + depth; 964 965 free(name); 966 967 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 968 &child, &children) == 0) { 969 for (c = 0; c < children; c++) 970 if ((ret = max_width(zhp, child[c], depth + 2, 971 max)) > max) 972 max = ret; 973 } 974 975 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 976 &child, &children) == 0) { 977 for (c = 0; c < children; c++) 978 if ((ret = max_width(zhp, child[c], depth + 2, 979 max)) > max) 980 max = ret; 981 } 982 983 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 984 &child, &children) == 0) { 985 for (c = 0; c < children; c++) 986 if ((ret = max_width(zhp, child[c], depth + 2, 987 max)) > max) 988 max = ret; 989 } 990 991 992 return (max); 993} 994 995typedef struct spare_cbdata { 996 uint64_t cb_guid; 997 zpool_handle_t *cb_zhp; 998} spare_cbdata_t; 999 1000static boolean_t 1001find_vdev(nvlist_t *nv, uint64_t search) 1002{ 1003 uint64_t guid; 1004 nvlist_t **child; 1005 uint_t c, children; 1006 1007 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1008 search == guid) 1009 return (B_TRUE); 1010 1011 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1012 &child, &children) == 0) { 1013 for (c = 0; c < children; c++) 1014 if (find_vdev(child[c], search)) 1015 return (B_TRUE); 1016 } 1017 1018 return (B_FALSE); 1019} 1020 1021static int 1022find_spare(zpool_handle_t *zhp, void *data) 1023{ 1024 spare_cbdata_t *cbp = data; 1025 nvlist_t *config, *nvroot; 1026 1027 config = zpool_get_config(zhp, NULL); 1028 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1029 &nvroot) == 0); 1030 1031 if (find_vdev(nvroot, cbp->cb_guid)) { 1032 cbp->cb_zhp = zhp; 1033 return (1); 1034 } 1035 1036 zpool_close(zhp); 1037 return (0); 1038} 1039 1040/* 1041 * Print out configuration state as requested by status_callback. 1042 */ 1043void 1044print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1045 int namewidth, int depth, boolean_t isspare) 1046{ 1047 nvlist_t **child; 1048 uint_t c, children; 1049 pool_scan_stat_t *ps = NULL; 1050 vdev_stat_t *vs; 1051 char rbuf[6], wbuf[6], cbuf[6]; 1052 char *vname; 1053 uint64_t notpresent; 1054 spare_cbdata_t cb; 1055 char *state; 1056 1057 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1058 &child, &children) != 0) 1059 children = 0; 1060 1061 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1062 (uint64_t **)&vs, &c) == 0); 1063 1064 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1065 if (isspare) { 1066 /* 1067 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1068 * online drives. 1069 */ 1070 if (vs->vs_aux == VDEV_AUX_SPARED) 1071 state = "INUSE"; 1072 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1073 state = "AVAIL"; 1074 } 1075 1076 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1077 name, state); 1078 1079 if (!isspare) { 1080 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1081 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1082 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1083 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1084 } 1085 1086 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1087 ¬present) == 0) { 1088 char *path; 1089 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 1090 (void) printf(" was %s", path); 1091 } else if (vs->vs_aux != 0) { 1092 (void) printf(" "); 1093 1094 switch (vs->vs_aux) { 1095 case VDEV_AUX_OPEN_FAILED: 1096 (void) printf(gettext("cannot open")); 1097 break; 1098 1099 case VDEV_AUX_BAD_GUID_SUM: 1100 (void) printf(gettext("missing device")); 1101 break; 1102 1103 case VDEV_AUX_NO_REPLICAS: 1104 (void) printf(gettext("insufficient replicas")); 1105 break; 1106 1107 case VDEV_AUX_VERSION_NEWER: 1108 (void) printf(gettext("newer version")); 1109 break; 1110 1111 case VDEV_AUX_SPARED: 1112 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1113 &cb.cb_guid) == 0); 1114 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1115 if (strcmp(zpool_get_name(cb.cb_zhp), 1116 zpool_get_name(zhp)) == 0) 1117 (void) printf(gettext("currently in " 1118 "use")); 1119 else 1120 (void) printf(gettext("in use by " 1121 "pool '%s'"), 1122 zpool_get_name(cb.cb_zhp)); 1123 zpool_close(cb.cb_zhp); 1124 } else { 1125 (void) printf(gettext("currently in use")); 1126 } 1127 break; 1128 1129 case VDEV_AUX_ERR_EXCEEDED: 1130 (void) printf(gettext("too many errors")); 1131 break; 1132 1133 case VDEV_AUX_IO_FAILURE: 1134 (void) printf(gettext("experienced I/O failures")); 1135 break; 1136 1137 case VDEV_AUX_BAD_LOG: 1138 (void) printf(gettext("bad intent log")); 1139 break; 1140 1141 case VDEV_AUX_EXTERNAL: 1142 (void) printf(gettext("external device fault")); 1143 break; 1144 1145 case VDEV_AUX_SPLIT_POOL: 1146 (void) printf(gettext("split into new pool")); 1147 break; 1148 1149 default: 1150 (void) printf(gettext("corrupted data")); 1151 break; 1152 } 1153 } 1154 1155 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1156 (uint64_t **)&ps, &c); 1157 1158 if (ps && ps->pss_state == DSS_SCANNING && 1159 vs->vs_scan_processed != 0 && children == 0) { 1160 (void) printf(gettext(" (%s)"), 1161 (ps->pss_func == POOL_SCAN_RESILVER) ? 1162 "resilvering" : "repairing"); 1163 } 1164 1165 (void) printf("\n"); 1166 1167 for (c = 0; c < children; c++) { 1168 uint64_t islog = B_FALSE, ishole = B_FALSE; 1169 1170 /* Don't print logs or holes here */ 1171 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1172 &islog); 1173 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1174 &ishole); 1175 if (islog || ishole) 1176 continue; 1177 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1178 print_status_config(zhp, vname, child[c], 1179 namewidth, depth + 2, isspare); 1180 free(vname); 1181 } 1182} 1183 1184 1185/* 1186 * Print the configuration of an exported pool. Iterate over all vdevs in the 1187 * pool, printing out the name and status for each one. 1188 */ 1189void 1190print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1191{ 1192 nvlist_t **child; 1193 uint_t c, children; 1194 vdev_stat_t *vs; 1195 char *type, *vname; 1196 1197 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1198 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1199 strcmp(type, VDEV_TYPE_HOLE) == 0) 1200 return; 1201 1202 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1203 (uint64_t **)&vs, &c) == 0); 1204 1205 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1206 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1207 1208 if (vs->vs_aux != 0) { 1209 (void) printf(" "); 1210 1211 switch (vs->vs_aux) { 1212 case VDEV_AUX_OPEN_FAILED: 1213 (void) printf(gettext("cannot open")); 1214 break; 1215 1216 case VDEV_AUX_BAD_GUID_SUM: 1217 (void) printf(gettext("missing device")); 1218 break; 1219 1220 case VDEV_AUX_NO_REPLICAS: 1221 (void) printf(gettext("insufficient replicas")); 1222 break; 1223 1224 case VDEV_AUX_VERSION_NEWER: 1225 (void) printf(gettext("newer version")); 1226 break; 1227 1228 case VDEV_AUX_ERR_EXCEEDED: 1229 (void) printf(gettext("too many errors")); 1230 break; 1231 1232 default: 1233 (void) printf(gettext("corrupted data")); 1234 break; 1235 } 1236 } 1237 (void) printf("\n"); 1238 1239 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1240 &child, &children) != 0) 1241 return; 1242 1243 for (c = 0; c < children; c++) { 1244 uint64_t is_log = B_FALSE; 1245 1246 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1247 &is_log); 1248 if (is_log) 1249 continue; 1250 1251 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1252 print_import_config(vname, child[c], namewidth, depth + 2); 1253 free(vname); 1254 } 1255 1256 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1257 &child, &children) == 0) { 1258 (void) printf(gettext("\tcache\n")); 1259 for (c = 0; c < children; c++) { 1260 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1261 (void) printf("\t %s\n", vname); 1262 free(vname); 1263 } 1264 } 1265 1266 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1267 &child, &children) == 0) { 1268 (void) printf(gettext("\tspares\n")); 1269 for (c = 0; c < children; c++) { 1270 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1271 (void) printf("\t %s\n", vname); 1272 free(vname); 1273 } 1274 } 1275} 1276 1277/* 1278 * Print log vdevs. 1279 * Logs are recorded as top level vdevs in the main pool child array 1280 * but with "is_log" set to 1. We use either print_status_config() or 1281 * print_import_config() to print the top level logs then any log 1282 * children (eg mirrored slogs) are printed recursively - which 1283 * works because only the top level vdev is marked "is_log" 1284 */ 1285static void 1286print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1287{ 1288 uint_t c, children; 1289 nvlist_t **child; 1290 1291 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1292 &children) != 0) 1293 return; 1294 1295 (void) printf(gettext("\tlogs\n")); 1296 1297 for (c = 0; c < children; c++) { 1298 uint64_t is_log = B_FALSE; 1299 char *name; 1300 1301 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1302 &is_log); 1303 if (!is_log) 1304 continue; 1305 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1306 if (verbose) 1307 print_status_config(zhp, name, child[c], namewidth, 1308 2, B_FALSE); 1309 else 1310 print_import_config(name, child[c], namewidth, 2); 1311 free(name); 1312 } 1313} 1314 1315/* 1316 * Display the status for the given pool. 1317 */ 1318static void 1319show_import(nvlist_t *config) 1320{ 1321 uint64_t pool_state; 1322 vdev_stat_t *vs; 1323 char *name; 1324 uint64_t guid; 1325 char *msgid; 1326 nvlist_t *nvroot; 1327 int reason; 1328 const char *health; 1329 uint_t vsc; 1330 int namewidth; 1331 1332 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1333 &name) == 0); 1334 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1335 &guid) == 0); 1336 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1337 &pool_state) == 0); 1338 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1339 &nvroot) == 0); 1340 1341 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1342 (uint64_t **)&vs, &vsc) == 0); 1343 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1344 1345 reason = zpool_import_status(config, &msgid); 1346 1347 (void) printf(gettext(" pool: %s\n"), name); 1348 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1349 (void) printf(gettext(" state: %s"), health); 1350 if (pool_state == POOL_STATE_DESTROYED) 1351 (void) printf(gettext(" (DESTROYED)")); 1352 (void) printf("\n"); 1353 1354 switch (reason) { 1355 case ZPOOL_STATUS_MISSING_DEV_R: 1356 case ZPOOL_STATUS_MISSING_DEV_NR: 1357 case ZPOOL_STATUS_BAD_GUID_SUM: 1358 (void) printf(gettext("status: One or more devices are missing " 1359 "from the system.\n")); 1360 break; 1361 1362 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1363 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1364 (void) printf(gettext("status: One or more devices contains " 1365 "corrupted data.\n")); 1366 break; 1367 1368 case ZPOOL_STATUS_CORRUPT_DATA: 1369 (void) printf(gettext("status: The pool data is corrupted.\n")); 1370 break; 1371 1372 case ZPOOL_STATUS_OFFLINE_DEV: 1373 (void) printf(gettext("status: One or more devices " 1374 "are offlined.\n")); 1375 break; 1376 1377 case ZPOOL_STATUS_CORRUPT_POOL: 1378 (void) printf(gettext("status: The pool metadata is " 1379 "corrupted.\n")); 1380 break; 1381 1382 case ZPOOL_STATUS_VERSION_OLDER: 1383 (void) printf(gettext("status: The pool is formatted using an " 1384 "older on-disk version.\n")); 1385 break; 1386 1387 case ZPOOL_STATUS_VERSION_NEWER: 1388 (void) printf(gettext("status: The pool is formatted using an " 1389 "incompatible version.\n")); 1390 break; 1391 1392 case ZPOOL_STATUS_HOSTID_MISMATCH: 1393 (void) printf(gettext("status: The pool was last accessed by " 1394 "another system.\n")); 1395 break; 1396 1397 case ZPOOL_STATUS_FAULTED_DEV_R: 1398 case ZPOOL_STATUS_FAULTED_DEV_NR: 1399 (void) printf(gettext("status: One or more devices are " 1400 "faulted.\n")); 1401 break; 1402 1403 case ZPOOL_STATUS_BAD_LOG: 1404 (void) printf(gettext("status: An intent log record cannot be " 1405 "read.\n")); 1406 break; 1407 1408 case ZPOOL_STATUS_RESILVERING: 1409 (void) printf(gettext("status: One or more devices were being " 1410 "resilvered.\n")); 1411 break; 1412 1413 default: 1414 /* 1415 * No other status can be seen when importing pools. 1416 */ 1417 assert(reason == ZPOOL_STATUS_OK); 1418 } 1419 1420 /* 1421 * Print out an action according to the overall state of the pool. 1422 */ 1423 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1424 if (reason == ZPOOL_STATUS_VERSION_OLDER) 1425 (void) printf(gettext("action: The pool can be " 1426 "imported using its name or numeric identifier, " 1427 "though\n\tsome features will not be available " 1428 "without an explicit 'zpool upgrade'.\n")); 1429 else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) 1430 (void) printf(gettext("action: The pool can be " 1431 "imported using its name or numeric " 1432 "identifier and\n\tthe '-f' flag.\n")); 1433 else 1434 (void) printf(gettext("action: The pool can be " 1435 "imported using its name or numeric " 1436 "identifier.\n")); 1437 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1438 (void) printf(gettext("action: The pool can be imported " 1439 "despite missing or damaged devices. The\n\tfault " 1440 "tolerance of the pool may be compromised if imported.\n")); 1441 } else { 1442 switch (reason) { 1443 case ZPOOL_STATUS_VERSION_NEWER: 1444 (void) printf(gettext("action: The pool cannot be " 1445 "imported. Access the pool on a system running " 1446 "newer\n\tsoftware, or recreate the pool from " 1447 "backup.\n")); 1448 break; 1449 case ZPOOL_STATUS_MISSING_DEV_R: 1450 case ZPOOL_STATUS_MISSING_DEV_NR: 1451 case ZPOOL_STATUS_BAD_GUID_SUM: 1452 (void) printf(gettext("action: The pool cannot be " 1453 "imported. Attach the missing\n\tdevices and try " 1454 "again.\n")); 1455 break; 1456 default: 1457 (void) printf(gettext("action: The pool cannot be " 1458 "imported due to damaged devices or data.\n")); 1459 } 1460 } 1461 1462 /* 1463 * If the state is "closed" or "can't open", and the aux state 1464 * is "corrupt data": 1465 */ 1466 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1467 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1468 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1469 if (pool_state == POOL_STATE_DESTROYED) 1470 (void) printf(gettext("\tThe pool was destroyed, " 1471 "but can be imported using the '-Df' flags.\n")); 1472 else if (pool_state != POOL_STATE_EXPORTED) 1473 (void) printf(gettext("\tThe pool may be active on " 1474 "another system, but can be imported using\n\t" 1475 "the '-f' flag.\n")); 1476 } 1477 1478 if (msgid != NULL) 1479 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 1480 msgid); 1481 1482 (void) printf(gettext("config:\n\n")); 1483 1484 namewidth = max_width(NULL, nvroot, 0, 0); 1485 if (namewidth < 10) 1486 namewidth = 10; 1487 1488 print_import_config(name, nvroot, namewidth, 0); 1489 if (num_logs(nvroot) > 0) 1490 print_logs(NULL, nvroot, namewidth, B_FALSE); 1491 1492 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1493 (void) printf(gettext("\n\tAdditional devices are known to " 1494 "be part of this pool, though their\n\texact " 1495 "configuration cannot be determined.\n")); 1496 } 1497} 1498 1499/* 1500 * Perform the import for the given configuration. This passes the heavy 1501 * lifting off to zpool_import_props(), and then mounts the datasets contained 1502 * within the pool. 1503 */ 1504static int 1505do_import(nvlist_t *config, const char *newname, const char *mntopts, 1506 nvlist_t *props, int flags) 1507{ 1508 zpool_handle_t *zhp; 1509 char *name; 1510 uint64_t state; 1511 uint64_t version; 1512 1513 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1514 &name) == 0); 1515 1516 verify(nvlist_lookup_uint64(config, 1517 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1518 verify(nvlist_lookup_uint64(config, 1519 ZPOOL_CONFIG_VERSION, &version) == 0); 1520 if (version > SPA_VERSION) { 1521 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1522 "is formatted using a newer ZFS version\n"), name); 1523 return (1); 1524 } else if (state != POOL_STATE_EXPORTED && 1525 !(flags & ZFS_IMPORT_ANY_HOST)) { 1526 uint64_t hostid; 1527 1528 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1529 &hostid) == 0) { 1530 if ((unsigned long)hostid != gethostid()) { 1531 char *hostname; 1532 uint64_t timestamp; 1533 time_t t; 1534 1535 verify(nvlist_lookup_string(config, 1536 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1537 verify(nvlist_lookup_uint64(config, 1538 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1539 t = timestamp; 1540 (void) fprintf(stderr, gettext("cannot import " 1541 "'%s': pool may be in use from other " 1542 "system, it was last accessed by %s " 1543 "(hostid: 0x%lx) on %s"), name, hostname, 1544 (unsigned long)hostid, 1545 asctime(localtime(&t))); 1546 (void) fprintf(stderr, gettext("use '-f' to " 1547 "import anyway\n")); 1548 return (1); 1549 } 1550 } else { 1551 (void) fprintf(stderr, gettext("cannot import '%s': " 1552 "pool may be in use from other system\n"), name); 1553 (void) fprintf(stderr, gettext("use '-f' to import " 1554 "anyway\n")); 1555 return (1); 1556 } 1557 } 1558 1559 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1560 return (1); 1561 1562 if (newname != NULL) 1563 name = (char *)newname; 1564 1565 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1566 return (1); 1567 1568 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1569 !(flags & ZFS_IMPORT_ONLY) && 1570 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1571 zpool_close(zhp); 1572 return (1); 1573 } 1574 1575 zpool_close(zhp); 1576 return (0); 1577} 1578 1579/* 1580 * zpool import [-d dir] [-D] 1581 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1582 * [-d dir | -c cachefile] [-f] -a 1583 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1584 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1585 * 1586 * -c Read pool information from a cachefile instead of searching 1587 * devices. 1588 * 1589 * -d Scan in a specific directory, other than /dev/dsk. More than 1590 * one directory can be specified using multiple '-d' options. 1591 * 1592 * -D Scan for previously destroyed pools or import all or only 1593 * specified destroyed pools. 1594 * 1595 * -R Temporarily import the pool, with all mountpoints relative to 1596 * the given root. The pool will remain exported when the machine 1597 * is rebooted. 1598 * 1599 * -V Import even in the presence of faulted vdevs. This is an 1600 * intentionally undocumented option for testing purposes, and 1601 * treats the pool configuration as complete, leaving any bad 1602 * vdevs in the FAULTED state. In other words, it does verbatim 1603 * import. 1604 * 1605 * -f Force import, even if it appears that the pool is active. 1606 * 1607 * -F Attempt rewind if necessary. 1608 * 1609 * -n See if rewind would work, but don't actually rewind. 1610 * 1611 * -N Import the pool but don't mount datasets. 1612 * 1613 * -T Specify a starting txg to use for import. This option is 1614 * intentionally undocumented option for testing purposes. 1615 * 1616 * -a Import all pools found. 1617 * 1618 * -o Set property=value and/or temporary mount options (without '='). 1619 * 1620 * The import command scans for pools to import, and import pools based on pool 1621 * name and GUID. The pool can also be renamed as part of the import process. 1622 */ 1623int 1624zpool_do_import(int argc, char **argv) 1625{ 1626 char **searchdirs = NULL; 1627 int nsearch = 0; 1628 int c; 1629 int err = 0; 1630 nvlist_t *pools = NULL; 1631 boolean_t do_all = B_FALSE; 1632 boolean_t do_destroyed = B_FALSE; 1633 char *mntopts = NULL; 1634 nvpair_t *elem; 1635 nvlist_t *config; 1636 uint64_t searchguid = 0; 1637 char *searchname = NULL; 1638 char *propval; 1639 nvlist_t *found_config; 1640 nvlist_t *policy = NULL; 1641 nvlist_t *props = NULL; 1642 boolean_t first; 1643 int flags = ZFS_IMPORT_NORMAL; 1644 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1645 boolean_t dryrun = B_FALSE; 1646 boolean_t do_rewind = B_FALSE; 1647 boolean_t xtreme_rewind = B_FALSE; 1648 uint64_t pool_state, txg = -1ULL; 1649 char *cachefile = NULL; 1650 importargs_t idata = { 0 }; 1651 char *endptr; 1652 1653 /* check options */ 1654 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:rR:T:VX")) != -1) { 1655 switch (c) { 1656 case 'a': 1657 do_all = B_TRUE; 1658 break; 1659 case 'c': 1660 cachefile = optarg; 1661 break; 1662 case 'd': 1663 if (searchdirs == NULL) { 1664 searchdirs = safe_malloc(sizeof (char *)); 1665 } else { 1666 char **tmp = safe_malloc((nsearch + 1) * 1667 sizeof (char *)); 1668 bcopy(searchdirs, tmp, nsearch * 1669 sizeof (char *)); 1670 free(searchdirs); 1671 searchdirs = tmp; 1672 } 1673 searchdirs[nsearch++] = optarg; 1674 break; 1675 case 'D': 1676 do_destroyed = B_TRUE; 1677 break; 1678 case 'f': 1679 flags |= ZFS_IMPORT_ANY_HOST; 1680 break; 1681 case 'F': 1682 do_rewind = B_TRUE; 1683 break; 1684 case 'm': 1685 flags |= ZFS_IMPORT_MISSING_LOG; 1686 break; 1687 case 'n': 1688 dryrun = B_TRUE; 1689 break; 1690 case 'N': 1691 flags |= ZFS_IMPORT_ONLY; 1692 break; 1693 case 'o': 1694 if ((propval = strchr(optarg, '=')) != NULL) { 1695 *propval = '\0'; 1696 propval++; 1697 if (add_prop_list(optarg, propval, 1698 &props, B_TRUE)) 1699 goto error; 1700 } else { 1701 mntopts = optarg; 1702 } 1703 break; 1704 case 'R': 1705 if (add_prop_list(zpool_prop_to_name( 1706 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1707 goto error; 1708 if (nvlist_lookup_string(props, 1709 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1710 &propval) == 0) 1711 break; 1712 if (add_prop_list(zpool_prop_to_name( 1713 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1714 goto error; 1715 break; 1716 case 'T': 1717 errno = 0; 1718 txg = strtoull(optarg, &endptr, 10); 1719 if (errno != 0 || *endptr != '\0') { 1720 (void) fprintf(stderr, 1721 gettext("invalid txg value\n")); 1722 usage(B_FALSE); 1723 } 1724 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 1725 break; 1726 case 'V': 1727 flags |= ZFS_IMPORT_VERBATIM; 1728 break; 1729 case 'X': 1730 xtreme_rewind = B_TRUE; 1731 break; 1732 case ':': 1733 (void) fprintf(stderr, gettext("missing argument for " 1734 "'%c' option\n"), optopt); 1735 usage(B_FALSE); 1736 break; 1737 case '?': 1738 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1739 optopt); 1740 usage(B_FALSE); 1741 } 1742 } 1743 1744 argc -= optind; 1745 argv += optind; 1746 1747 if (cachefile && nsearch != 0) { 1748 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1749 usage(B_FALSE); 1750 } 1751 1752 if ((dryrun || xtreme_rewind) && !do_rewind) { 1753 (void) fprintf(stderr, 1754 gettext("-n or -X only meaningful with -F\n")); 1755 usage(B_FALSE); 1756 } 1757 if (dryrun) 1758 rewind_policy = ZPOOL_TRY_REWIND; 1759 else if (do_rewind) 1760 rewind_policy = ZPOOL_DO_REWIND; 1761 if (xtreme_rewind) 1762 rewind_policy |= ZPOOL_EXTREME_REWIND; 1763 1764 /* In the future, we can capture further policy and include it here */ 1765 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1766 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 1767 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1768 goto error; 1769 1770 if (searchdirs == NULL) { 1771 searchdirs = safe_malloc(sizeof (char *)); 1772 searchdirs[0] = "/dev/dsk"; 1773 nsearch = 1; 1774 } 1775 1776 /* check argument count */ 1777 if (do_all) { 1778 if (argc != 0) { 1779 (void) fprintf(stderr, gettext("too many arguments\n")); 1780 usage(B_FALSE); 1781 } 1782 } else { 1783 if (argc > 2) { 1784 (void) fprintf(stderr, gettext("too many arguments\n")); 1785 usage(B_FALSE); 1786 } 1787 1788 /* 1789 * Check for the SYS_CONFIG privilege. We do this explicitly 1790 * here because otherwise any attempt to discover pools will 1791 * silently fail. 1792 */ 1793 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1794 (void) fprintf(stderr, gettext("cannot " 1795 "discover pools: permission denied\n")); 1796 free(searchdirs); 1797 nvlist_free(policy); 1798 return (1); 1799 } 1800 } 1801 1802 /* 1803 * Depending on the arguments given, we do one of the following: 1804 * 1805 * <none> Iterate through all pools and display information about 1806 * each one. 1807 * 1808 * -a Iterate through all pools and try to import each one. 1809 * 1810 * <id> Find the pool that corresponds to the given GUID/pool 1811 * name and import that one. 1812 * 1813 * -D Above options applies only to destroyed pools. 1814 */ 1815 if (argc != 0) { 1816 char *endptr; 1817 1818 errno = 0; 1819 searchguid = strtoull(argv[0], &endptr, 10); 1820 if (errno != 0 || *endptr != '\0') 1821 searchname = argv[0]; 1822 found_config = NULL; 1823 1824 /* 1825 * User specified a name or guid. Ensure it's unique. 1826 */ 1827 idata.unique = B_TRUE; 1828 } 1829 1830 1831 idata.path = searchdirs; 1832 idata.paths = nsearch; 1833 idata.poolname = searchname; 1834 idata.guid = searchguid; 1835 idata.cachefile = cachefile; 1836 1837 pools = zpool_search_import(g_zfs, &idata); 1838 1839 if (pools != NULL && idata.exists && 1840 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 1841 (void) fprintf(stderr, gettext("cannot import '%s': " 1842 "a pool with that name already exists\n"), 1843 argv[0]); 1844 (void) fprintf(stderr, gettext("use the form '%s " 1845 "<pool | id> <newpool>' to give it a new name\n"), 1846 "zpool import"); 1847 err = 1; 1848 } else if (pools == NULL && idata.exists) { 1849 (void) fprintf(stderr, gettext("cannot import '%s': " 1850 "a pool with that name is already created/imported,\n"), 1851 argv[0]); 1852 (void) fprintf(stderr, gettext("and no additional pools " 1853 "with that name were found\n")); 1854 err = 1; 1855 } else if (pools == NULL) { 1856 if (argc != 0) { 1857 (void) fprintf(stderr, gettext("cannot import '%s': " 1858 "no such pool available\n"), argv[0]); 1859 } 1860 err = 1; 1861 } 1862 1863 if (err == 1) { 1864 free(searchdirs); 1865 nvlist_free(policy); 1866 return (1); 1867 } 1868 1869 /* 1870 * At this point we have a list of import candidate configs. Even if 1871 * we were searching by pool name or guid, we still need to 1872 * post-process the list to deal with pool state and possible 1873 * duplicate names. 1874 */ 1875 err = 0; 1876 elem = NULL; 1877 first = B_TRUE; 1878 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1879 1880 verify(nvpair_value_nvlist(elem, &config) == 0); 1881 1882 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1883 &pool_state) == 0); 1884 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1885 continue; 1886 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1887 continue; 1888 1889 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1890 policy) == 0); 1891 1892 if (argc == 0) { 1893 if (first) 1894 first = B_FALSE; 1895 else if (!do_all) 1896 (void) printf("\n"); 1897 1898 if (do_all) { 1899 err |= do_import(config, NULL, mntopts, 1900 props, flags); 1901 } else { 1902 show_import(config); 1903 } 1904 } else if (searchname != NULL) { 1905 char *name; 1906 1907 /* 1908 * We are searching for a pool based on name. 1909 */ 1910 verify(nvlist_lookup_string(config, 1911 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1912 1913 if (strcmp(name, searchname) == 0) { 1914 if (found_config != NULL) { 1915 (void) fprintf(stderr, gettext( 1916 "cannot import '%s': more than " 1917 "one matching pool\n"), searchname); 1918 (void) fprintf(stderr, gettext( 1919 "import by numeric ID instead\n")); 1920 err = B_TRUE; 1921 } 1922 found_config = config; 1923 } 1924 } else { 1925 uint64_t guid; 1926 1927 /* 1928 * Search for a pool by guid. 1929 */ 1930 verify(nvlist_lookup_uint64(config, 1931 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1932 1933 if (guid == searchguid) 1934 found_config = config; 1935 } 1936 } 1937 1938 /* 1939 * If we were searching for a specific pool, verify that we found a 1940 * pool, and then do the import. 1941 */ 1942 if (argc != 0 && err == 0) { 1943 if (found_config == NULL) { 1944 (void) fprintf(stderr, gettext("cannot import '%s': " 1945 "no such pool available\n"), argv[0]); 1946 err = B_TRUE; 1947 } else { 1948 err |= do_import(found_config, argc == 1 ? NULL : 1949 argv[1], mntopts, props, flags); 1950 } 1951 } 1952 1953 /* 1954 * If we were just looking for pools, report an error if none were 1955 * found. 1956 */ 1957 if (argc == 0 && first) 1958 (void) fprintf(stderr, 1959 gettext("no pools available to import\n")); 1960 1961error: 1962 nvlist_free(props); 1963 nvlist_free(pools); 1964 nvlist_free(policy); 1965 free(searchdirs); 1966 1967 return (err ? 1 : 0); 1968} 1969 1970typedef struct iostat_cbdata { 1971 zpool_list_t *cb_list; 1972 int cb_verbose; 1973 int cb_iteration; 1974 int cb_namewidth; 1975} iostat_cbdata_t; 1976 1977static void 1978print_iostat_separator(iostat_cbdata_t *cb) 1979{ 1980 int i = 0; 1981 1982 for (i = 0; i < cb->cb_namewidth; i++) 1983 (void) printf("-"); 1984 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1985} 1986 1987static void 1988print_iostat_header(iostat_cbdata_t *cb) 1989{ 1990 (void) printf("%*s capacity operations bandwidth\n", 1991 cb->cb_namewidth, ""); 1992 (void) printf("%-*s alloc free read write read write\n", 1993 cb->cb_namewidth, "pool"); 1994 print_iostat_separator(cb); 1995} 1996 1997/* 1998 * Display a single statistic. 1999 */ 2000static void 2001print_one_stat(uint64_t value) 2002{ 2003 char buf[64]; 2004 2005 zfs_nicenum(value, buf, sizeof (buf)); 2006 (void) printf(" %5s", buf); 2007} 2008 2009/* 2010 * Print out all the statistics for the given vdev. This can either be the 2011 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2012 * is a verbose output, and we don't want to display the toplevel pool stats. 2013 */ 2014void 2015print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2016 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2017{ 2018 nvlist_t **oldchild, **newchild; 2019 uint_t c, children; 2020 vdev_stat_t *oldvs, *newvs; 2021 vdev_stat_t zerovs = { 0 }; 2022 uint64_t tdelta; 2023 double scale; 2024 char *vname; 2025 2026 if (oldnv != NULL) { 2027 verify(nvlist_lookup_uint64_array(oldnv, 2028 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2029 } else { 2030 oldvs = &zerovs; 2031 } 2032 2033 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2034 (uint64_t **)&newvs, &c) == 0); 2035 2036 if (strlen(name) + depth > cb->cb_namewidth) 2037 (void) printf("%*s%s", depth, "", name); 2038 else 2039 (void) printf("%*s%s%*s", depth, "", name, 2040 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2041 2042 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2043 2044 if (tdelta == 0) 2045 scale = 1.0; 2046 else 2047 scale = (double)NANOSEC / tdelta; 2048 2049 /* only toplevel vdevs have capacity stats */ 2050 if (newvs->vs_space == 0) { 2051 (void) printf(" - -"); 2052 } else { 2053 print_one_stat(newvs->vs_alloc); 2054 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2055 } 2056 2057 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2058 oldvs->vs_ops[ZIO_TYPE_READ]))); 2059 2060 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2061 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2062 2063 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2064 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2065 2066 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2067 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2068 2069 (void) printf("\n"); 2070 2071 if (!cb->cb_verbose) 2072 return; 2073 2074 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2075 &newchild, &children) != 0) 2076 return; 2077 2078 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2079 &oldchild, &c) != 0) 2080 return; 2081 2082 for (c = 0; c < children; c++) { 2083 uint64_t ishole = B_FALSE; 2084 2085 if (nvlist_lookup_uint64(newchild[c], 2086 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 2087 continue; 2088 2089 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2090 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2091 newchild[c], cb, depth + 2); 2092 free(vname); 2093 } 2094 2095 /* 2096 * Include level 2 ARC devices in iostat output 2097 */ 2098 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2099 &newchild, &children) != 0) 2100 return; 2101 2102 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2103 &oldchild, &c) != 0) 2104 return; 2105 2106 if (children > 0) { 2107 (void) printf("%-*s - - - - - " 2108 "-\n", cb->cb_namewidth, "cache"); 2109 for (c = 0; c < children; c++) { 2110 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2111 B_FALSE); 2112 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2113 newchild[c], cb, depth + 2); 2114 free(vname); 2115 } 2116 } 2117} 2118 2119static int 2120refresh_iostat(zpool_handle_t *zhp, void *data) 2121{ 2122 iostat_cbdata_t *cb = data; 2123 boolean_t missing; 2124 2125 /* 2126 * If the pool has disappeared, remove it from the list and continue. 2127 */ 2128 if (zpool_refresh_stats(zhp, &missing) != 0) 2129 return (-1); 2130 2131 if (missing) 2132 pool_list_remove(cb->cb_list, zhp); 2133 2134 return (0); 2135} 2136 2137/* 2138 * Callback to print out the iostats for the given pool. 2139 */ 2140int 2141print_iostat(zpool_handle_t *zhp, void *data) 2142{ 2143 iostat_cbdata_t *cb = data; 2144 nvlist_t *oldconfig, *newconfig; 2145 nvlist_t *oldnvroot, *newnvroot; 2146 2147 newconfig = zpool_get_config(zhp, &oldconfig); 2148 2149 if (cb->cb_iteration == 1) 2150 oldconfig = NULL; 2151 2152 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2153 &newnvroot) == 0); 2154 2155 if (oldconfig == NULL) 2156 oldnvroot = NULL; 2157 else 2158 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2159 &oldnvroot) == 0); 2160 2161 /* 2162 * Print out the statistics for the pool. 2163 */ 2164 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2165 2166 if (cb->cb_verbose) 2167 print_iostat_separator(cb); 2168 2169 return (0); 2170} 2171 2172int 2173get_namewidth(zpool_handle_t *zhp, void *data) 2174{ 2175 iostat_cbdata_t *cb = data; 2176 nvlist_t *config, *nvroot; 2177 2178 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2179 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2180 &nvroot) == 0); 2181 if (!cb->cb_verbose) 2182 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2183 else 2184 cb->cb_namewidth = max_width(zhp, nvroot, 0, 0); 2185 } 2186 2187 /* 2188 * The width must fall into the range [10,38]. The upper limit is the 2189 * maximum we can have and still fit in 80 columns. 2190 */ 2191 if (cb->cb_namewidth < 10) 2192 cb->cb_namewidth = 10; 2193 if (cb->cb_namewidth > 38) 2194 cb->cb_namewidth = 38; 2195 2196 return (0); 2197} 2198 2199/* 2200 * Parse the input string, get the 'interval' and 'count' value if there is one. 2201 */ 2202static void 2203get_interval_count(int *argcp, char **argv, unsigned long *iv, 2204 unsigned long *cnt) 2205{ 2206 unsigned long interval = 0, count = 0; 2207 int argc = *argcp, errno; 2208 2209 /* 2210 * Determine if the last argument is an integer or a pool name 2211 */ 2212 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2213 char *end; 2214 2215 errno = 0; 2216 interval = strtoul(argv[argc - 1], &end, 10); 2217 2218 if (*end == '\0' && errno == 0) { 2219 if (interval == 0) { 2220 (void) fprintf(stderr, gettext("interval " 2221 "cannot be zero\n")); 2222 usage(B_FALSE); 2223 } 2224 /* 2225 * Ignore the last parameter 2226 */ 2227 argc--; 2228 } else { 2229 /* 2230 * If this is not a valid number, just plow on. The 2231 * user will get a more informative error message later 2232 * on. 2233 */ 2234 interval = 0; 2235 } 2236 } 2237 2238 /* 2239 * If the last argument is also an integer, then we have both a count 2240 * and an interval. 2241 */ 2242 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2243 char *end; 2244 2245 errno = 0; 2246 count = interval; 2247 interval = strtoul(argv[argc - 1], &end, 10); 2248 2249 if (*end == '\0' && errno == 0) { 2250 if (interval == 0) { 2251 (void) fprintf(stderr, gettext("interval " 2252 "cannot be zero\n")); 2253 usage(B_FALSE); 2254 } 2255 2256 /* 2257 * Ignore the last parameter 2258 */ 2259 argc--; 2260 } else { 2261 interval = 0; 2262 } 2263 } 2264 2265 *iv = interval; 2266 *cnt = count; 2267 *argcp = argc; 2268} 2269 2270static void 2271get_timestamp_arg(char c) 2272{ 2273 if (c == 'u') 2274 timestamp_fmt = UDATE; 2275 else if (c == 'd') 2276 timestamp_fmt = DDATE; 2277 else 2278 usage(B_FALSE); 2279} 2280 2281/* 2282 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2283 * 2284 * -v Display statistics for individual vdevs 2285 * -T Display a timestamp in date(1) or Unix format 2286 * 2287 * This command can be tricky because we want to be able to deal with pool 2288 * creation/destruction as well as vdev configuration changes. The bulk of this 2289 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2290 * on pool_list_update() to detect the addition of new pools. Configuration 2291 * changes are all handled within libzfs. 2292 */ 2293int 2294zpool_do_iostat(int argc, char **argv) 2295{ 2296 int c; 2297 int ret; 2298 int npools; 2299 unsigned long interval = 0, count = 0; 2300 zpool_list_t *list; 2301 boolean_t verbose = B_FALSE; 2302 iostat_cbdata_t cb; 2303 2304 /* check options */ 2305 while ((c = getopt(argc, argv, "T:v")) != -1) { 2306 switch (c) { 2307 case 'T': 2308 get_timestamp_arg(*optarg); 2309 break; 2310 case 'v': 2311 verbose = B_TRUE; 2312 break; 2313 case '?': 2314 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2315 optopt); 2316 usage(B_FALSE); 2317 } 2318 } 2319 2320 argc -= optind; 2321 argv += optind; 2322 2323 get_interval_count(&argc, argv, &interval, &count); 2324 2325 /* 2326 * Construct the list of all interesting pools. 2327 */ 2328 ret = 0; 2329 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2330 return (1); 2331 2332 if (pool_list_count(list) == 0 && argc != 0) { 2333 pool_list_free(list); 2334 return (1); 2335 } 2336 2337 if (pool_list_count(list) == 0 && interval == 0) { 2338 pool_list_free(list); 2339 (void) fprintf(stderr, gettext("no pools available\n")); 2340 return (1); 2341 } 2342 2343 /* 2344 * Enter the main iostat loop. 2345 */ 2346 cb.cb_list = list; 2347 cb.cb_verbose = verbose; 2348 cb.cb_iteration = 0; 2349 cb.cb_namewidth = 0; 2350 2351 for (;;) { 2352 pool_list_update(list); 2353 2354 if ((npools = pool_list_count(list)) == 0) 2355 break; 2356 2357 /* 2358 * Refresh all statistics. This is done as an explicit step 2359 * before calculating the maximum name width, so that any 2360 * configuration changes are properly accounted for. 2361 */ 2362 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2363 2364 /* 2365 * Iterate over all pools to determine the maximum width 2366 * for the pool / device name column across all pools. 2367 */ 2368 cb.cb_namewidth = 0; 2369 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2370 2371 if (timestamp_fmt != NODATE) 2372 print_timestamp(timestamp_fmt); 2373 2374 /* 2375 * If it's the first time, or verbose mode, print the header. 2376 */ 2377 if (++cb.cb_iteration == 1 || verbose) 2378 print_iostat_header(&cb); 2379 2380 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2381 2382 /* 2383 * If there's more than one pool, and we're not in verbose mode 2384 * (which prints a separator for us), then print a separator. 2385 */ 2386 if (npools > 1 && !verbose) 2387 print_iostat_separator(&cb); 2388 2389 if (verbose) 2390 (void) printf("\n"); 2391 2392 /* 2393 * Flush the output so that redirection to a file isn't buffered 2394 * indefinitely. 2395 */ 2396 (void) fflush(stdout); 2397 2398 if (interval == 0) 2399 break; 2400 2401 if (count != 0 && --count == 0) 2402 break; 2403 2404 (void) sleep(interval); 2405 } 2406 2407 pool_list_free(list); 2408 2409 return (ret); 2410} 2411 2412typedef struct list_cbdata { 2413 boolean_t cb_scripted; 2414 boolean_t cb_first; 2415 zprop_list_t *cb_proplist; 2416} list_cbdata_t; 2417 2418/* 2419 * Given a list of columns to display, output appropriate headers for each one. 2420 */ 2421static void 2422print_header(zprop_list_t *pl) 2423{ 2424 const char *header; 2425 boolean_t first = B_TRUE; 2426 boolean_t right_justify; 2427 2428 for (; pl != NULL; pl = pl->pl_next) { 2429 if (pl->pl_prop == ZPROP_INVAL) 2430 continue; 2431 2432 if (!first) 2433 (void) printf(" "); 2434 else 2435 first = B_FALSE; 2436 2437 header = zpool_prop_column_name(pl->pl_prop); 2438 right_justify = zpool_prop_align_right(pl->pl_prop); 2439 2440 if (pl->pl_next == NULL && !right_justify) 2441 (void) printf("%s", header); 2442 else if (right_justify) 2443 (void) printf("%*s", pl->pl_width, header); 2444 else 2445 (void) printf("%-*s", pl->pl_width, header); 2446 } 2447 2448 (void) printf("\n"); 2449} 2450 2451/* 2452 * Given a pool and a list of properties, print out all the properties according 2453 * to the described layout. 2454 */ 2455static void 2456print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2457{ 2458 boolean_t first = B_TRUE; 2459 char property[ZPOOL_MAXPROPLEN]; 2460 char *propstr; 2461 boolean_t right_justify; 2462 int width; 2463 2464 for (; pl != NULL; pl = pl->pl_next) { 2465 if (!first) { 2466 if (scripted) 2467 (void) printf("\t"); 2468 else 2469 (void) printf(" "); 2470 } else { 2471 first = B_FALSE; 2472 } 2473 2474 right_justify = B_FALSE; 2475 if (pl->pl_prop != ZPROP_INVAL) { 2476 if (zpool_get_prop(zhp, pl->pl_prop, property, 2477 sizeof (property), NULL) != 0) 2478 propstr = "-"; 2479 else 2480 propstr = property; 2481 2482 right_justify = zpool_prop_align_right(pl->pl_prop); 2483 } else { 2484 propstr = "-"; 2485 } 2486 2487 width = pl->pl_width; 2488 2489 /* 2490 * If this is being called in scripted mode, or if this is the 2491 * last column and it is left-justified, don't include a width 2492 * format specifier. 2493 */ 2494 if (scripted || (pl->pl_next == NULL && !right_justify)) 2495 (void) printf("%s", propstr); 2496 else if (right_justify) 2497 (void) printf("%*s", width, propstr); 2498 else 2499 (void) printf("%-*s", width, propstr); 2500 } 2501 2502 (void) printf("\n"); 2503} 2504 2505/* 2506 * Generic callback function to list a pool. 2507 */ 2508int 2509list_callback(zpool_handle_t *zhp, void *data) 2510{ 2511 list_cbdata_t *cbp = data; 2512 2513 if (cbp->cb_first) { 2514 if (!cbp->cb_scripted) 2515 print_header(cbp->cb_proplist); 2516 cbp->cb_first = B_FALSE; 2517 } 2518 2519 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2520 2521 return (0); 2522} 2523 2524/* 2525 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2526 * 2527 * -H Scripted mode. Don't display headers, and separate properties 2528 * by a single tab. 2529 * -o List of properties to display. Defaults to 2530 * "name,size,allocated,free,capacity,health,altroot" 2531 * -T Display a timestamp in date(1) or Unix format 2532 * 2533 * List all pools in the system, whether or not they're healthy. Output space 2534 * statistics for each one, as well as health status summary. 2535 */ 2536int 2537zpool_do_list(int argc, char **argv) 2538{ 2539 int c; 2540 int ret; 2541 list_cbdata_t cb = { 0 }; 2542 static char default_props[] = 2543 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2544 char *props = default_props; 2545 unsigned long interval = 0, count = 0; 2546 2547 /* check options */ 2548 while ((c = getopt(argc, argv, ":Ho:T:")) != -1) { 2549 switch (c) { 2550 case 'H': 2551 cb.cb_scripted = B_TRUE; 2552 break; 2553 case 'o': 2554 props = optarg; 2555 break; 2556 case 'T': 2557 get_timestamp_arg(*optarg); 2558 break; 2559 case ':': 2560 (void) fprintf(stderr, gettext("missing argument for " 2561 "'%c' option\n"), optopt); 2562 usage(B_FALSE); 2563 break; 2564 case '?': 2565 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2566 optopt); 2567 usage(B_FALSE); 2568 } 2569 } 2570 2571 argc -= optind; 2572 argv += optind; 2573 2574 get_interval_count(&argc, argv, &interval, &count); 2575 2576 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2577 usage(B_FALSE); 2578 2579 cb.cb_first = B_TRUE; 2580 2581 for (;;) { 2582 2583 if (timestamp_fmt != NODATE) 2584 print_timestamp(timestamp_fmt); 2585 2586 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2587 list_callback, &cb); 2588 2589 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2590 (void) printf(gettext("no pools available\n")); 2591 zprop_free_list(cb.cb_proplist); 2592 return (0); 2593 } 2594 2595 if (interval == 0) 2596 break; 2597 2598 if (count != 0 && --count == 0) 2599 break; 2600 2601 (void) sleep(interval); 2602 } 2603 2604 zprop_free_list(cb.cb_proplist); 2605 return (ret); 2606} 2607 2608static nvlist_t * 2609zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2610{ 2611 nvlist_t **child; 2612 uint_t c, children; 2613 nvlist_t *match; 2614 char *path; 2615 2616 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2617 &child, &children) != 0) { 2618 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2619 if (strncmp(name, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 2620 name += sizeof(_PATH_DEV) - 1; 2621 if (strncmp(path, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 2622 path += sizeof(_PATH_DEV) - 1; 2623 if (strcmp(name, path) == 0) 2624 return (nv); 2625 return (NULL); 2626 } 2627 2628 for (c = 0; c < children; c++) 2629 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2630 return (match); 2631 2632 return (NULL); 2633} 2634 2635static int 2636zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2637{ 2638 boolean_t force = B_FALSE; 2639 int c; 2640 nvlist_t *nvroot; 2641 char *poolname, *old_disk, *new_disk; 2642 zpool_handle_t *zhp; 2643 int ret; 2644 2645 /* check options */ 2646 while ((c = getopt(argc, argv, "f")) != -1) { 2647 switch (c) { 2648 case 'f': 2649 force = B_TRUE; 2650 break; 2651 case '?': 2652 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2653 optopt); 2654 usage(B_FALSE); 2655 } 2656 } 2657 2658 argc -= optind; 2659 argv += optind; 2660 2661 /* get pool name and check number of arguments */ 2662 if (argc < 1) { 2663 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2664 usage(B_FALSE); 2665 } 2666 2667 poolname = argv[0]; 2668 2669 if (argc < 2) { 2670 (void) fprintf(stderr, 2671 gettext("missing <device> specification\n")); 2672 usage(B_FALSE); 2673 } 2674 2675 old_disk = argv[1]; 2676 2677 if (argc < 3) { 2678 if (!replacing) { 2679 (void) fprintf(stderr, 2680 gettext("missing <new_device> specification\n")); 2681 usage(B_FALSE); 2682 } 2683 new_disk = old_disk; 2684 argc -= 1; 2685 argv += 1; 2686 } else { 2687 new_disk = argv[2]; 2688 argc -= 2; 2689 argv += 2; 2690 } 2691 2692 if (argc > 1) { 2693 (void) fprintf(stderr, gettext("too many arguments\n")); 2694 usage(B_FALSE); 2695 } 2696 2697 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2698 return (1); 2699 2700 if (zpool_get_config(zhp, NULL) == NULL) { 2701 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2702 poolname); 2703 zpool_close(zhp); 2704 return (1); 2705 } 2706 2707 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2708 argc, argv); 2709 if (nvroot == NULL) { 2710 zpool_close(zhp); 2711 return (1); 2712 } 2713 2714 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2715 2716 nvlist_free(nvroot); 2717 zpool_close(zhp); 2718 2719 return (ret); 2720} 2721 2722/* 2723 * zpool replace [-f] <pool> <device> <new_device> 2724 * 2725 * -f Force attach, even if <new_device> appears to be in use. 2726 * 2727 * Replace <device> with <new_device>. 2728 */ 2729/* ARGSUSED */ 2730int 2731zpool_do_replace(int argc, char **argv) 2732{ 2733 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2734} 2735 2736/* 2737 * zpool attach [-f] <pool> <device> <new_device> 2738 * 2739 * -f Force attach, even if <new_device> appears to be in use. 2740 * 2741 * Attach <new_device> to the mirror containing <device>. If <device> is not 2742 * part of a mirror, then <device> will be transformed into a mirror of 2743 * <device> and <new_device>. In either case, <new_device> will begin life 2744 * with a DTL of [0, now], and will immediately begin to resilver itself. 2745 */ 2746int 2747zpool_do_attach(int argc, char **argv) 2748{ 2749 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2750} 2751 2752/* 2753 * zpool detach [-f] <pool> <device> 2754 * 2755 * -f Force detach of <device>, even if DTLs argue against it 2756 * (not supported yet) 2757 * 2758 * Detach a device from a mirror. The operation will be refused if <device> 2759 * is the last device in the mirror, or if the DTLs indicate that this device 2760 * has the only valid copy of some data. 2761 */ 2762/* ARGSUSED */ 2763int 2764zpool_do_detach(int argc, char **argv) 2765{ 2766 int c; 2767 char *poolname, *path; 2768 zpool_handle_t *zhp; 2769 int ret; 2770 2771 /* check options */ 2772 while ((c = getopt(argc, argv, "f")) != -1) { 2773 switch (c) { 2774 case 'f': 2775 case '?': 2776 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2777 optopt); 2778 usage(B_FALSE); 2779 } 2780 } 2781 2782 argc -= optind; 2783 argv += optind; 2784 2785 /* get pool name and check number of arguments */ 2786 if (argc < 1) { 2787 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2788 usage(B_FALSE); 2789 } 2790 2791 if (argc < 2) { 2792 (void) fprintf(stderr, 2793 gettext("missing <device> specification\n")); 2794 usage(B_FALSE); 2795 } 2796 2797 poolname = argv[0]; 2798 path = argv[1]; 2799 2800 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2801 return (1); 2802 2803 ret = zpool_vdev_detach(zhp, path); 2804 2805 zpool_close(zhp); 2806 2807 return (ret); 2808} 2809 2810/* 2811 * zpool split [-n] [-o prop=val] ... 2812 * [-o mntopt] ... 2813 * [-R altroot] <pool> <newpool> [<device> ...] 2814 * 2815 * -n Do not split the pool, but display the resulting layout if 2816 * it were to be split. 2817 * -o Set property=value, or set mount options. 2818 * -R Mount the split-off pool under an alternate root. 2819 * 2820 * Splits the named pool and gives it the new pool name. Devices to be split 2821 * off may be listed, provided that no more than one device is specified 2822 * per top-level vdev mirror. The newly split pool is left in an exported 2823 * state unless -R is specified. 2824 * 2825 * Restrictions: the top-level of the pool pool must only be made up of 2826 * mirrors; all devices in the pool must be healthy; no device may be 2827 * undergoing a resilvering operation. 2828 */ 2829int 2830zpool_do_split(int argc, char **argv) 2831{ 2832 char *srcpool, *newpool, *propval; 2833 char *mntopts = NULL; 2834 splitflags_t flags; 2835 int c, ret = 0; 2836 zpool_handle_t *zhp; 2837 nvlist_t *config, *props = NULL; 2838 2839 flags.dryrun = B_FALSE; 2840 flags.import = B_FALSE; 2841 2842 /* check options */ 2843 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2844 switch (c) { 2845 case 'R': 2846 flags.import = B_TRUE; 2847 if (add_prop_list( 2848 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2849 &props, B_TRUE) != 0) { 2850 if (props) 2851 nvlist_free(props); 2852 usage(B_FALSE); 2853 } 2854 break; 2855 case 'n': 2856 flags.dryrun = B_TRUE; 2857 break; 2858 case 'o': 2859 if ((propval = strchr(optarg, '=')) != NULL) { 2860 *propval = '\0'; 2861 propval++; 2862 if (add_prop_list(optarg, propval, 2863 &props, B_TRUE) != 0) { 2864 if (props) 2865 nvlist_free(props); 2866 usage(B_FALSE); 2867 } 2868 } else { 2869 mntopts = optarg; 2870 } 2871 break; 2872 case ':': 2873 (void) fprintf(stderr, gettext("missing argument for " 2874 "'%c' option\n"), optopt); 2875 usage(B_FALSE); 2876 break; 2877 case '?': 2878 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2879 optopt); 2880 usage(B_FALSE); 2881 break; 2882 } 2883 } 2884 2885 if (!flags.import && mntopts != NULL) { 2886 (void) fprintf(stderr, gettext("setting mntopts is only " 2887 "valid when importing the pool\n")); 2888 usage(B_FALSE); 2889 } 2890 2891 argc -= optind; 2892 argv += optind; 2893 2894 if (argc < 1) { 2895 (void) fprintf(stderr, gettext("Missing pool name\n")); 2896 usage(B_FALSE); 2897 } 2898 if (argc < 2) { 2899 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2900 usage(B_FALSE); 2901 } 2902 2903 srcpool = argv[0]; 2904 newpool = argv[1]; 2905 2906 argc -= 2; 2907 argv += 2; 2908 2909 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2910 return (1); 2911 2912 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2913 if (config == NULL) { 2914 ret = 1; 2915 } else { 2916 if (flags.dryrun) { 2917 (void) printf(gettext("would create '%s' with the " 2918 "following layout:\n\n"), newpool); 2919 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2920 } 2921 nvlist_free(config); 2922 } 2923 2924 zpool_close(zhp); 2925 2926 if (ret != 0 || flags.dryrun || !flags.import) 2927 return (ret); 2928 2929 /* 2930 * The split was successful. Now we need to open the new 2931 * pool and import it. 2932 */ 2933 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2934 return (1); 2935 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2936 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2937 ret = 1; 2938 (void) fprintf(stderr, gettext("Split was succssful, but " 2939 "the datasets could not all be mounted\n")); 2940 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2941 "different altroot\n"), "zpool import"); 2942 } 2943 zpool_close(zhp); 2944 2945 return (ret); 2946} 2947 2948 2949 2950/* 2951 * zpool online <pool> <device> ... 2952 */ 2953int 2954zpool_do_online(int argc, char **argv) 2955{ 2956 int c, i; 2957 char *poolname; 2958 zpool_handle_t *zhp; 2959 int ret = 0; 2960 vdev_state_t newstate; 2961 int flags = 0; 2962 2963 /* check options */ 2964 while ((c = getopt(argc, argv, "et")) != -1) { 2965 switch (c) { 2966 case 'e': 2967 flags |= ZFS_ONLINE_EXPAND; 2968 break; 2969 case 't': 2970 case '?': 2971 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2972 optopt); 2973 usage(B_FALSE); 2974 } 2975 } 2976 2977 argc -= optind; 2978 argv += optind; 2979 2980 /* get pool name and check number of arguments */ 2981 if (argc < 1) { 2982 (void) fprintf(stderr, gettext("missing pool name\n")); 2983 usage(B_FALSE); 2984 } 2985 if (argc < 2) { 2986 (void) fprintf(stderr, gettext("missing device name\n")); 2987 usage(B_FALSE); 2988 } 2989 2990 poolname = argv[0]; 2991 2992 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2993 return (1); 2994 2995 for (i = 1; i < argc; i++) { 2996 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 2997 if (newstate != VDEV_STATE_HEALTHY) { 2998 (void) printf(gettext("warning: device '%s' " 2999 "onlined, but remains in faulted state\n"), 3000 argv[i]); 3001 if (newstate == VDEV_STATE_FAULTED) 3002 (void) printf(gettext("use 'zpool " 3003 "clear' to restore a faulted " 3004 "device\n")); 3005 else 3006 (void) printf(gettext("use 'zpool " 3007 "replace' to replace devices " 3008 "that are no longer present\n")); 3009 } 3010 } else { 3011 ret = 1; 3012 } 3013 } 3014 3015 zpool_close(zhp); 3016 3017 return (ret); 3018} 3019 3020/* 3021 * zpool offline [-ft] <pool> <device> ... 3022 * 3023 * -f Force the device into the offline state, even if doing 3024 * so would appear to compromise pool availability. 3025 * (not supported yet) 3026 * 3027 * -t Only take the device off-line temporarily. The offline 3028 * state will not be persistent across reboots. 3029 */ 3030/* ARGSUSED */ 3031int 3032zpool_do_offline(int argc, char **argv) 3033{ 3034 int c, i; 3035 char *poolname; 3036 zpool_handle_t *zhp; 3037 int ret = 0; 3038 boolean_t istmp = B_FALSE; 3039 3040 /* check options */ 3041 while ((c = getopt(argc, argv, "ft")) != -1) { 3042 switch (c) { 3043 case 't': 3044 istmp = B_TRUE; 3045 break; 3046 case 'f': 3047 case '?': 3048 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3049 optopt); 3050 usage(B_FALSE); 3051 } 3052 } 3053 3054 argc -= optind; 3055 argv += optind; 3056 3057 /* get pool name and check number of arguments */ 3058 if (argc < 1) { 3059 (void) fprintf(stderr, gettext("missing pool name\n")); 3060 usage(B_FALSE); 3061 } 3062 if (argc < 2) { 3063 (void) fprintf(stderr, gettext("missing device name\n")); 3064 usage(B_FALSE); 3065 } 3066 3067 poolname = argv[0]; 3068 3069 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3070 return (1); 3071 3072 for (i = 1; i < argc; i++) { 3073 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3074 ret = 1; 3075 } 3076 3077 zpool_close(zhp); 3078 3079 return (ret); 3080} 3081 3082/* 3083 * zpool clear <pool> [device] 3084 * 3085 * Clear all errors associated with a pool or a particular device. 3086 */ 3087int 3088zpool_do_clear(int argc, char **argv) 3089{ 3090 int c; 3091 int ret = 0; 3092 boolean_t dryrun = B_FALSE; 3093 boolean_t do_rewind = B_FALSE; 3094 boolean_t xtreme_rewind = B_FALSE; 3095 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3096 nvlist_t *policy = NULL; 3097 zpool_handle_t *zhp; 3098 char *pool, *device; 3099 3100 /* check options */ 3101 while ((c = getopt(argc, argv, "FnX")) != -1) { 3102 switch (c) { 3103 case 'F': 3104 do_rewind = B_TRUE; 3105 break; 3106 case 'n': 3107 dryrun = B_TRUE; 3108 break; 3109 case 'X': 3110 xtreme_rewind = B_TRUE; 3111 break; 3112 case '?': 3113 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3114 optopt); 3115 usage(B_FALSE); 3116 } 3117 } 3118 3119 argc -= optind; 3120 argv += optind; 3121 3122 if (argc < 1) { 3123 (void) fprintf(stderr, gettext("missing pool name\n")); 3124 usage(B_FALSE); 3125 } 3126 3127 if (argc > 2) { 3128 (void) fprintf(stderr, gettext("too many arguments\n")); 3129 usage(B_FALSE); 3130 } 3131 3132 if ((dryrun || xtreme_rewind) && !do_rewind) { 3133 (void) fprintf(stderr, 3134 gettext("-n or -X only meaningful with -F\n")); 3135 usage(B_FALSE); 3136 } 3137 if (dryrun) 3138 rewind_policy = ZPOOL_TRY_REWIND; 3139 else if (do_rewind) 3140 rewind_policy = ZPOOL_DO_REWIND; 3141 if (xtreme_rewind) 3142 rewind_policy |= ZPOOL_EXTREME_REWIND; 3143 3144 /* In future, further rewind policy choices can be passed along here */ 3145 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3146 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3147 return (1); 3148 3149 pool = argv[0]; 3150 device = argc == 2 ? argv[1] : NULL; 3151 3152 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3153 nvlist_free(policy); 3154 return (1); 3155 } 3156 3157 if (zpool_clear(zhp, device, policy) != 0) 3158 ret = 1; 3159 3160 zpool_close(zhp); 3161 3162 nvlist_free(policy); 3163 3164 return (ret); 3165} 3166 3167typedef struct scrub_cbdata { 3168 int cb_type; 3169 int cb_argc; 3170 char **cb_argv; 3171} scrub_cbdata_t; 3172 3173int 3174scrub_callback(zpool_handle_t *zhp, void *data) 3175{ 3176 scrub_cbdata_t *cb = data; 3177 int err; 3178 3179 /* 3180 * Ignore faulted pools. 3181 */ 3182 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3183 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3184 "currently unavailable\n"), zpool_get_name(zhp)); 3185 return (1); 3186 } 3187 3188 err = zpool_scan(zhp, cb->cb_type); 3189 3190 return (err != 0); 3191} 3192 3193/* 3194 * zpool scrub [-s] <pool> ... 3195 * 3196 * -s Stop. Stops any in-progress scrub. 3197 */ 3198int 3199zpool_do_scrub(int argc, char **argv) 3200{ 3201 int c; 3202 scrub_cbdata_t cb; 3203 3204 cb.cb_type = POOL_SCAN_SCRUB; 3205 3206 /* check options */ 3207 while ((c = getopt(argc, argv, "s")) != -1) { 3208 switch (c) { 3209 case 's': 3210 cb.cb_type = POOL_SCAN_NONE; 3211 break; 3212 case '?': 3213 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3214 optopt); 3215 usage(B_FALSE); 3216 } 3217 } 3218 3219 cb.cb_argc = argc; 3220 cb.cb_argv = argv; 3221 argc -= optind; 3222 argv += optind; 3223 3224 if (argc < 1) { 3225 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3226 usage(B_FALSE); 3227 } 3228 3229 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3230} 3231 3232typedef struct status_cbdata { 3233 int cb_count; 3234 boolean_t cb_allpools; 3235 boolean_t cb_verbose; 3236 boolean_t cb_explain; 3237 boolean_t cb_first; 3238 boolean_t cb_dedup_stats; 3239} status_cbdata_t; 3240 3241/* 3242 * Print out detailed scrub status. 3243 */ 3244void 3245print_scan_status(pool_scan_stat_t *ps) 3246{ 3247 time_t start, end; 3248 uint64_t elapsed, mins_left, hours_left; 3249 uint64_t pass_exam, examined, total; 3250 uint_t rate; 3251 double fraction_done; 3252 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3253 3254 (void) printf(gettext(" scan: ")); 3255 3256 /* If there's never been a scan, there's not much to say. */ 3257 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3258 ps->pss_func >= POOL_SCAN_FUNCS) { 3259 (void) printf(gettext("none requested\n")); 3260 return; 3261 } 3262 3263 start = ps->pss_start_time; 3264 end = ps->pss_end_time; 3265 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3266 3267 assert(ps->pss_func == POOL_SCAN_SCRUB || 3268 ps->pss_func == POOL_SCAN_RESILVER); 3269 /* 3270 * Scan is finished or canceled. 3271 */ 3272 if (ps->pss_state == DSS_FINISHED) { 3273 uint64_t minutes_taken = (end - start) / 60; 3274 char *fmt; 3275 3276 if (ps->pss_func == POOL_SCAN_SCRUB) { 3277 fmt = gettext("scrub repaired %s in %lluh%um with " 3278 "%llu errors on %s"); 3279 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3280 fmt = gettext("resilvered %s in %lluh%um with " 3281 "%llu errors on %s"); 3282 } 3283 /* LINTED */ 3284 (void) printf(fmt, processed_buf, 3285 (u_longlong_t)(minutes_taken / 60), 3286 (uint_t)(minutes_taken % 60), 3287 (u_longlong_t)ps->pss_errors, 3288 ctime((time_t *)&end)); 3289 return; 3290 } else if (ps->pss_state == DSS_CANCELED) { 3291 if (ps->pss_func == POOL_SCAN_SCRUB) { 3292 (void) printf(gettext("scrub canceled on %s"), 3293 ctime(&end)); 3294 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3295 (void) printf(gettext("resilver canceled on %s"), 3296 ctime(&end)); 3297 } 3298 return; 3299 } 3300 3301 assert(ps->pss_state == DSS_SCANNING); 3302 3303 /* 3304 * Scan is in progress. 3305 */ 3306 if (ps->pss_func == POOL_SCAN_SCRUB) { 3307 (void) printf(gettext("scrub in progress since %s"), 3308 ctime(&start)); 3309 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3310 (void) printf(gettext("resilver in progress since %s"), 3311 ctime(&start)); 3312 } 3313 3314 examined = ps->pss_examined ? ps->pss_examined : 1; 3315 total = ps->pss_to_examine; 3316 fraction_done = (double)examined / total; 3317 3318 /* elapsed time for this pass */ 3319 elapsed = time(NULL) - ps->pss_pass_start; 3320 elapsed = elapsed ? elapsed : 1; 3321 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3322 rate = pass_exam / elapsed; 3323 rate = rate ? rate : 1; 3324 mins_left = ((total - examined) / rate) / 60; 3325 hours_left = mins_left / 60; 3326 3327 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3328 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3329 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3330 3331 /* 3332 * do not print estimated time if hours_left is more than 30 days 3333 */ 3334 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3335 examined_buf, total_buf, rate_buf); 3336 if (hours_left < (30 * 24)) { 3337 (void) printf(gettext(", %lluh%um to go\n"), 3338 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3339 } else { 3340 (void) printf(gettext( 3341 ", (scan is slow, no estimated time)\n")); 3342 } 3343 3344 if (ps->pss_func == POOL_SCAN_RESILVER) { 3345 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3346 processed_buf, 100 * fraction_done); 3347 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3348 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3349 processed_buf, 100 * fraction_done); 3350 } 3351} 3352 3353static void 3354print_error_log(zpool_handle_t *zhp) 3355{ 3356 nvlist_t *nverrlist = NULL; 3357 nvpair_t *elem; 3358 char *pathname; 3359 size_t len = MAXPATHLEN * 2; 3360 3361 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3362 (void) printf("errors: List of errors unavailable " 3363 "(insufficient privileges)\n"); 3364 return; 3365 } 3366 3367 (void) printf("errors: Permanent errors have been " 3368 "detected in the following files:\n\n"); 3369 3370 pathname = safe_malloc(len); 3371 elem = NULL; 3372 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3373 nvlist_t *nv; 3374 uint64_t dsobj, obj; 3375 3376 verify(nvpair_value_nvlist(elem, &nv) == 0); 3377 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3378 &dsobj) == 0); 3379 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3380 &obj) == 0); 3381 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3382 (void) printf("%7s %s\n", "", pathname); 3383 } 3384 free(pathname); 3385 nvlist_free(nverrlist); 3386} 3387 3388static void 3389print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3390 int namewidth) 3391{ 3392 uint_t i; 3393 char *name; 3394 3395 if (nspares == 0) 3396 return; 3397 3398 (void) printf(gettext("\tspares\n")); 3399 3400 for (i = 0; i < nspares; i++) { 3401 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3402 print_status_config(zhp, name, spares[i], 3403 namewidth, 2, B_TRUE); 3404 free(name); 3405 } 3406} 3407 3408static void 3409print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3410 int namewidth) 3411{ 3412 uint_t i; 3413 char *name; 3414 3415 if (nl2cache == 0) 3416 return; 3417 3418 (void) printf(gettext("\tcache\n")); 3419 3420 for (i = 0; i < nl2cache; i++) { 3421 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3422 print_status_config(zhp, name, l2cache[i], 3423 namewidth, 2, B_FALSE); 3424 free(name); 3425 } 3426} 3427 3428static void 3429print_dedup_stats(nvlist_t *config) 3430{ 3431 ddt_histogram_t *ddh; 3432 ddt_stat_t *dds; 3433 ddt_object_t *ddo; 3434 uint_t c; 3435 3436 /* 3437 * If the pool was faulted then we may not have been able to 3438 * obtain the config. Otherwise, if have anything in the dedup 3439 * table continue processing the stats. 3440 */ 3441 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3442 (uint64_t **)&ddo, &c) != 0 || ddo->ddo_count == 0) 3443 return; 3444 3445 (void) printf("\n"); 3446 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3447 (u_longlong_t)ddo->ddo_count, 3448 (u_longlong_t)ddo->ddo_dspace, 3449 (u_longlong_t)ddo->ddo_mspace); 3450 3451 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3452 (uint64_t **)&dds, &c) == 0); 3453 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3454 (uint64_t **)&ddh, &c) == 0); 3455 zpool_dump_ddt(dds, ddh); 3456} 3457 3458/* 3459 * Display a summary of pool status. Displays a summary such as: 3460 * 3461 * pool: tank 3462 * status: DEGRADED 3463 * reason: One or more devices ... 3464 * see: http://www.sun.com/msg/ZFS-xxxx-01 3465 * config: 3466 * mirror DEGRADED 3467 * c1t0d0 OK 3468 * c2t0d0 UNAVAIL 3469 * 3470 * When given the '-v' option, we print out the complete config. If the '-e' 3471 * option is specified, then we print out error rate information as well. 3472 */ 3473int 3474status_callback(zpool_handle_t *zhp, void *data) 3475{ 3476 status_cbdata_t *cbp = data; 3477 nvlist_t *config, *nvroot; 3478 char *msgid; 3479 int reason; 3480 const char *health; 3481 uint_t c; 3482 vdev_stat_t *vs; 3483 3484 config = zpool_get_config(zhp, NULL); 3485 reason = zpool_get_status(zhp, &msgid); 3486 3487 cbp->cb_count++; 3488 3489 /* 3490 * If we were given 'zpool status -x', only report those pools with 3491 * problems. 3492 */ 3493 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3494 if (!cbp->cb_allpools) { 3495 (void) printf(gettext("pool '%s' is healthy\n"), 3496 zpool_get_name(zhp)); 3497 if (cbp->cb_first) 3498 cbp->cb_first = B_FALSE; 3499 } 3500 return (0); 3501 } 3502 3503 if (cbp->cb_first) 3504 cbp->cb_first = B_FALSE; 3505 else 3506 (void) printf("\n"); 3507 3508 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3509 &nvroot) == 0); 3510 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 3511 (uint64_t **)&vs, &c) == 0); 3512 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3513 3514 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3515 (void) printf(gettext(" state: %s\n"), health); 3516 3517 switch (reason) { 3518 case ZPOOL_STATUS_MISSING_DEV_R: 3519 (void) printf(gettext("status: One or more devices could not " 3520 "be opened. Sufficient replicas exist for\n\tthe pool to " 3521 "continue functioning in a degraded state.\n")); 3522 (void) printf(gettext("action: Attach the missing device and " 3523 "online it using 'zpool online'.\n")); 3524 break; 3525 3526 case ZPOOL_STATUS_MISSING_DEV_NR: 3527 (void) printf(gettext("status: One or more devices could not " 3528 "be opened. There are insufficient\n\treplicas for the " 3529 "pool to continue functioning.\n")); 3530 (void) printf(gettext("action: Attach the missing device and " 3531 "online it using 'zpool online'.\n")); 3532 break; 3533 3534 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3535 (void) printf(gettext("status: One or more devices could not " 3536 "be used because the label is missing or\n\tinvalid. " 3537 "Sufficient replicas exist for the pool to continue\n\t" 3538 "functioning in a degraded state.\n")); 3539 (void) printf(gettext("action: Replace the device using " 3540 "'zpool replace'.\n")); 3541 break; 3542 3543 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3544 (void) printf(gettext("status: One or more devices could not " 3545 "be used because the label is missing \n\tor invalid. " 3546 "There are insufficient replicas for the pool to " 3547 "continue\n\tfunctioning.\n")); 3548 zpool_explain_recover(zpool_get_handle(zhp), 3549 zpool_get_name(zhp), reason, config); 3550 break; 3551 3552 case ZPOOL_STATUS_FAILING_DEV: 3553 (void) printf(gettext("status: One or more devices has " 3554 "experienced an unrecoverable error. An\n\tattempt was " 3555 "made to correct the error. Applications are " 3556 "unaffected.\n")); 3557 (void) printf(gettext("action: Determine if the device needs " 3558 "to be replaced, and clear the errors\n\tusing " 3559 "'zpool clear' or replace the device with 'zpool " 3560 "replace'.\n")); 3561 break; 3562 3563 case ZPOOL_STATUS_OFFLINE_DEV: 3564 (void) printf(gettext("status: One or more devices has " 3565 "been taken offline by the administrator.\n\tSufficient " 3566 "replicas exist for the pool to continue functioning in " 3567 "a\n\tdegraded state.\n")); 3568 (void) printf(gettext("action: Online the device using " 3569 "'zpool online' or replace the device with\n\t'zpool " 3570 "replace'.\n")); 3571 break; 3572 3573 case ZPOOL_STATUS_REMOVED_DEV: 3574 (void) printf(gettext("status: One or more devices has " 3575 "been removed by the administrator.\n\tSufficient " 3576 "replicas exist for the pool to continue functioning in " 3577 "a\n\tdegraded state.\n")); 3578 (void) printf(gettext("action: Online the device using " 3579 "'zpool online' or replace the device with\n\t'zpool " 3580 "replace'.\n")); 3581 break; 3582 3583 case ZPOOL_STATUS_RESILVERING: 3584 (void) printf(gettext("status: One or more devices is " 3585 "currently being resilvered. The pool will\n\tcontinue " 3586 "to function, possibly in a degraded state.\n")); 3587 (void) printf(gettext("action: Wait for the resilver to " 3588 "complete.\n")); 3589 break; 3590 3591 case ZPOOL_STATUS_CORRUPT_DATA: 3592 (void) printf(gettext("status: One or more devices has " 3593 "experienced an error resulting in data\n\tcorruption. " 3594 "Applications may be affected.\n")); 3595 (void) printf(gettext("action: Restore the file in question " 3596 "if possible. Otherwise restore the\n\tentire pool from " 3597 "backup.\n")); 3598 break; 3599 3600 case ZPOOL_STATUS_CORRUPT_POOL: 3601 (void) printf(gettext("status: The pool metadata is corrupted " 3602 "and the pool cannot be opened.\n")); 3603 zpool_explain_recover(zpool_get_handle(zhp), 3604 zpool_get_name(zhp), reason, config); 3605 break; 3606 3607 case ZPOOL_STATUS_VERSION_OLDER: 3608 (void) printf(gettext("status: The pool is formatted using an " 3609 "older on-disk format. The pool can\n\tstill be used, but " 3610 "some features are unavailable.\n")); 3611 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3612 "upgrade'. Once this is done, the\n\tpool will no longer " 3613 "be accessible on older software versions.\n")); 3614 break; 3615 3616 case ZPOOL_STATUS_VERSION_NEWER: 3617 (void) printf(gettext("status: The pool has been upgraded to a " 3618 "newer, incompatible on-disk version.\n\tThe pool cannot " 3619 "be accessed on this system.\n")); 3620 (void) printf(gettext("action: Access the pool from a system " 3621 "running more recent software, or\n\trestore the pool from " 3622 "backup.\n")); 3623 break; 3624 3625 case ZPOOL_STATUS_FAULTED_DEV_R: 3626 (void) printf(gettext("status: One or more devices are " 3627 "faulted in response to persistent errors.\n\tSufficient " 3628 "replicas exist for the pool to continue functioning " 3629 "in a\n\tdegraded state.\n")); 3630 (void) printf(gettext("action: Replace the faulted device, " 3631 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3632 break; 3633 3634 case ZPOOL_STATUS_FAULTED_DEV_NR: 3635 (void) printf(gettext("status: One or more devices are " 3636 "faulted in response to persistent errors. There are " 3637 "insufficient replicas for the pool to\n\tcontinue " 3638 "functioning.\n")); 3639 (void) printf(gettext("action: Destroy and re-create the pool " 3640 "from a backup source. Manually marking the device\n" 3641 "\trepaired using 'zpool clear' may allow some data " 3642 "to be recovered.\n")); 3643 break; 3644 3645 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3646 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3647 (void) printf(gettext("status: One or more devices are " 3648 "faulted in response to IO failures.\n")); 3649 (void) printf(gettext("action: Make sure the affected devices " 3650 "are connected, then run 'zpool clear'.\n")); 3651 break; 3652 3653 case ZPOOL_STATUS_BAD_LOG: 3654 (void) printf(gettext("status: An intent log record " 3655 "could not be read.\n" 3656 "\tWaiting for adminstrator intervention to fix the " 3657 "faulted pool.\n")); 3658 (void) printf(gettext("action: Either restore the affected " 3659 "device(s) and run 'zpool online',\n" 3660 "\tor ignore the intent log records by running " 3661 "'zpool clear'.\n")); 3662 break; 3663 3664 default: 3665 /* 3666 * The remaining errors can't actually be generated, yet. 3667 */ 3668 assert(reason == ZPOOL_STATUS_OK); 3669 } 3670 3671 if (msgid != NULL) 3672 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3673 msgid); 3674 3675 if (config != NULL) { 3676 int namewidth; 3677 uint64_t nerr; 3678 nvlist_t **spares, **l2cache; 3679 uint_t nspares, nl2cache; 3680 pool_scan_stat_t *ps = NULL; 3681 3682 (void) nvlist_lookup_uint64_array(nvroot, 3683 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 3684 print_scan_status(ps); 3685 3686 namewidth = max_width(zhp, nvroot, 0, 0); 3687 if (namewidth < 10) 3688 namewidth = 10; 3689 3690 (void) printf(gettext("config:\n\n")); 3691 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3692 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3693 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3694 namewidth, 0, B_FALSE); 3695 3696 if (num_logs(nvroot) > 0) 3697 print_logs(zhp, nvroot, namewidth, B_TRUE); 3698 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3699 &l2cache, &nl2cache) == 0) 3700 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3701 3702 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3703 &spares, &nspares) == 0) 3704 print_spares(zhp, spares, nspares, namewidth); 3705 3706 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3707 &nerr) == 0) { 3708 nvlist_t *nverrlist = NULL; 3709 3710 /* 3711 * If the approximate error count is small, get a 3712 * precise count by fetching the entire log and 3713 * uniquifying the results. 3714 */ 3715 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3716 zpool_get_errlog(zhp, &nverrlist) == 0) { 3717 nvpair_t *elem; 3718 3719 elem = NULL; 3720 nerr = 0; 3721 while ((elem = nvlist_next_nvpair(nverrlist, 3722 elem)) != NULL) { 3723 nerr++; 3724 } 3725 } 3726 nvlist_free(nverrlist); 3727 3728 (void) printf("\n"); 3729 3730 if (nerr == 0) 3731 (void) printf(gettext("errors: No known data " 3732 "errors\n")); 3733 else if (!cbp->cb_verbose) 3734 (void) printf(gettext("errors: %llu data " 3735 "errors, use '-v' for a list\n"), 3736 (u_longlong_t)nerr); 3737 else 3738 print_error_log(zhp); 3739 } 3740 3741 if (cbp->cb_dedup_stats) 3742 print_dedup_stats(config); 3743 } else { 3744 (void) printf(gettext("config: The configuration cannot be " 3745 "determined.\n")); 3746 } 3747 3748 return (0); 3749} 3750 3751/* 3752 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 3753 * 3754 * -v Display complete error logs 3755 * -x Display only pools with potential problems 3756 * -D Display dedup status (undocumented) 3757 * -T Display a timestamp in date(1) or Unix format 3758 * 3759 * Describes the health status of all pools or some subset. 3760 */ 3761int 3762zpool_do_status(int argc, char **argv) 3763{ 3764 int c; 3765 int ret; 3766 unsigned long interval = 0, count = 0; 3767 status_cbdata_t cb = { 0 }; 3768 3769 /* check options */ 3770 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 3771 switch (c) { 3772 case 'v': 3773 cb.cb_verbose = B_TRUE; 3774 break; 3775 case 'x': 3776 cb.cb_explain = B_TRUE; 3777 break; 3778 case 'D': 3779 cb.cb_dedup_stats = B_TRUE; 3780 break; 3781 case 'T': 3782 get_timestamp_arg(*optarg); 3783 break; 3784 case '?': 3785 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3786 optopt); 3787 usage(B_FALSE); 3788 } 3789 } 3790 3791 argc -= optind; 3792 argv += optind; 3793 3794 get_interval_count(&argc, argv, &interval, &count); 3795 3796 if (argc == 0) 3797 cb.cb_allpools = B_TRUE; 3798 3799 cb.cb_first = B_TRUE; 3800 3801 for (;;) { 3802 if (timestamp_fmt != NODATE) 3803 print_timestamp(timestamp_fmt); 3804 3805 ret = for_each_pool(argc, argv, B_TRUE, NULL, 3806 status_callback, &cb); 3807 3808 if (argc == 0 && cb.cb_count == 0) 3809 (void) printf(gettext("no pools available\n")); 3810 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3811 (void) printf(gettext("all pools are healthy\n")); 3812 3813 if (ret != 0) 3814 return (ret); 3815 3816 if (interval == 0) 3817 break; 3818 3819 if (count != 0 && --count == 0) 3820 break; 3821 3822 (void) sleep(interval); 3823 } 3824 3825 return (0); 3826} 3827 3828typedef struct upgrade_cbdata { 3829 int cb_all; 3830 int cb_first; 3831 int cb_newer; 3832 char cb_poolname[ZPOOL_MAXNAMELEN]; 3833 int cb_argc; 3834 uint64_t cb_version; 3835 char **cb_argv; 3836} upgrade_cbdata_t; 3837 3838static int 3839is_root_pool(zpool_handle_t *zhp) 3840{ 3841 static struct statfs sfs; 3842 static char *poolname = NULL; 3843 static boolean_t stated = B_FALSE; 3844 char *slash; 3845 3846 if (!stated) { 3847 stated = B_TRUE; 3848 if (statfs("/", &sfs) == -1) { 3849 (void) fprintf(stderr, 3850 "Unable to stat root file system: %s.\n", 3851 strerror(errno)); 3852 return (0); 3853 } 3854 if (strcmp(sfs.f_fstypename, "zfs") != 0) 3855 return (0); 3856 poolname = sfs.f_mntfromname; 3857 if ((slash = strchr(poolname, '/')) != NULL) 3858 *slash = '\0'; 3859 } 3860 return (poolname != NULL && strcmp(poolname, zpool_get_name(zhp)) == 0); 3861} 3862 3863static int 3864upgrade_cb(zpool_handle_t *zhp, void *arg) 3865{ 3866 upgrade_cbdata_t *cbp = arg; 3867 nvlist_t *config; 3868 uint64_t version; 3869 int ret = 0; 3870 3871 config = zpool_get_config(zhp, NULL); 3872 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3873 &version) == 0); 3874 3875 if (!cbp->cb_newer && version < SPA_VERSION) { 3876 if (!cbp->cb_all) { 3877 if (cbp->cb_first) { 3878 (void) printf(gettext("The following pools are " 3879 "out of date, and can be upgraded. After " 3880 "being\nupgraded, these pools will no " 3881 "longer be accessible by older software " 3882 "versions.\n\n")); 3883 (void) printf(gettext("VER POOL\n")); 3884 (void) printf(gettext("--- ------------\n")); 3885 cbp->cb_first = B_FALSE; 3886 } 3887 3888 (void) printf("%2llu %s\n", (u_longlong_t)version, 3889 zpool_get_name(zhp)); 3890 } else { 3891 cbp->cb_first = B_FALSE; 3892 ret = zpool_upgrade(zhp, cbp->cb_version); 3893 if (!ret) { 3894 (void) printf(gettext("Successfully upgraded " 3895 "'%s'\n\n"), zpool_get_name(zhp)); 3896 if (cbp->cb_poolname[0] == '\0' && 3897 is_root_pool(zhp)) { 3898 (void) strlcpy(cbp->cb_poolname, 3899 zpool_get_name(zhp), 3900 sizeof(cbp->cb_poolname)); 3901 } 3902 } 3903 } 3904 } else if (cbp->cb_newer && version > SPA_VERSION) { 3905 assert(!cbp->cb_all); 3906 3907 if (cbp->cb_first) { 3908 (void) printf(gettext("The following pools are " 3909 "formatted using a newer software version and\n" 3910 "cannot be accessed on the current system.\n\n")); 3911 (void) printf(gettext("VER POOL\n")); 3912 (void) printf(gettext("--- ------------\n")); 3913 cbp->cb_first = B_FALSE; 3914 } 3915 3916 (void) printf("%2llu %s\n", (u_longlong_t)version, 3917 zpool_get_name(zhp)); 3918 } 3919 3920 zpool_close(zhp); 3921 return (ret); 3922} 3923 3924/* ARGSUSED */ 3925static int 3926upgrade_one(zpool_handle_t *zhp, void *data) 3927{ 3928 upgrade_cbdata_t *cbp = data; 3929 uint64_t cur_version; 3930 int ret; 3931 3932 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3933 (void) printf(gettext("'log' is now a reserved word\n" 3934 "Pool 'log' must be renamed using export and import" 3935 " to upgrade.\n")); 3936 return (1); 3937 } 3938 3939 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 3940 if (cur_version > cbp->cb_version) { 3941 (void) printf(gettext("Pool '%s' is already formatted " 3942 "using more current version '%llu'.\n"), 3943 zpool_get_name(zhp), cur_version); 3944 return (0); 3945 } 3946 if (cur_version == cbp->cb_version) { 3947 (void) printf(gettext("Pool '%s' is already formatted " 3948 "using the current version.\n"), zpool_get_name(zhp)); 3949 return (0); 3950 } 3951 3952 ret = zpool_upgrade(zhp, cbp->cb_version); 3953 3954 if (!ret) { 3955 (void) printf(gettext("Successfully upgraded '%s' " 3956 "from version %llu to version %llu\n\n"), 3957 zpool_get_name(zhp), (u_longlong_t)cur_version, 3958 (u_longlong_t)cbp->cb_version); 3959 if (cbp->cb_poolname[0] == '\0' && is_root_pool(zhp)) { 3960 (void) strlcpy(cbp->cb_poolname, zpool_get_name(zhp), 3961 sizeof(cbp->cb_poolname)); 3962 } 3963 } 3964 3965 return (ret != 0); 3966} 3967 3968/* 3969 * zpool upgrade 3970 * zpool upgrade -v 3971 * zpool upgrade [-V version] <-a | pool ...> 3972 * 3973 * With no arguments, display downrev'd ZFS pool available for upgrade. 3974 * Individual pools can be upgraded by specifying the pool, and '-a' will 3975 * upgrade all pools. 3976 */ 3977int 3978zpool_do_upgrade(int argc, char **argv) 3979{ 3980 int c; 3981 upgrade_cbdata_t cb = { 0 }; 3982 int ret = 0; 3983 boolean_t showversions = B_FALSE; 3984 char *end; 3985 3986 3987 /* check options */ 3988 while ((c = getopt(argc, argv, ":avV:")) != -1) { 3989 switch (c) { 3990 case 'a': 3991 cb.cb_all = B_TRUE; 3992 break; 3993 case 'v': 3994 showversions = B_TRUE; 3995 break; 3996 case 'V': 3997 cb.cb_version = strtoll(optarg, &end, 10); 3998 if (*end != '\0' || cb.cb_version > SPA_VERSION || 3999 cb.cb_version < SPA_VERSION_1) { 4000 (void) fprintf(stderr, 4001 gettext("invalid version '%s'\n"), optarg); 4002 usage(B_FALSE); 4003 } 4004 break; 4005 case ':': 4006 (void) fprintf(stderr, gettext("missing argument for " 4007 "'%c' option\n"), optopt); 4008 usage(B_FALSE); 4009 break; 4010 case '?': 4011 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4012 optopt); 4013 usage(B_FALSE); 4014 } 4015 } 4016 4017 cb.cb_argc = argc; 4018 cb.cb_argv = argv; 4019 argc -= optind; 4020 argv += optind; 4021 4022 if (cb.cb_version == 0) { 4023 cb.cb_version = SPA_VERSION; 4024 } else if (!cb.cb_all && argc == 0) { 4025 (void) fprintf(stderr, gettext("-V option is " 4026 "incompatible with other arguments\n")); 4027 usage(B_FALSE); 4028 } 4029 4030 if (showversions) { 4031 if (cb.cb_all || argc != 0) { 4032 (void) fprintf(stderr, gettext("-v option is " 4033 "incompatible with other arguments\n")); 4034 usage(B_FALSE); 4035 } 4036 } else if (cb.cb_all) { 4037 if (argc != 0) { 4038 (void) fprintf(stderr, gettext("-a option should not " 4039 "be used along with a pool name\n")); 4040 usage(B_FALSE); 4041 } 4042 } 4043 4044 (void) printf(gettext("This system is currently running " 4045 "ZFS pool version %llu.\n\n"), SPA_VERSION); 4046 cb.cb_first = B_TRUE; 4047 if (showversions) { 4048 (void) printf(gettext("The following versions are " 4049 "supported:\n\n")); 4050 (void) printf(gettext("VER DESCRIPTION\n")); 4051 (void) printf("--- -----------------------------------------" 4052 "---------------\n"); 4053 (void) printf(gettext(" 1 Initial ZFS version\n")); 4054 (void) printf(gettext(" 2 Ditto blocks " 4055 "(replicated metadata)\n")); 4056 (void) printf(gettext(" 3 Hot spares and double parity " 4057 "RAID-Z\n")); 4058 (void) printf(gettext(" 4 zpool history\n")); 4059 (void) printf(gettext(" 5 Compression using the gzip " 4060 "algorithm\n")); 4061 (void) printf(gettext(" 6 bootfs pool property\n")); 4062 (void) printf(gettext(" 7 Separate intent log devices\n")); 4063 (void) printf(gettext(" 8 Delegated administration\n")); 4064 (void) printf(gettext(" 9 refquota and refreservation " 4065 "properties\n")); 4066 (void) printf(gettext(" 10 Cache devices\n")); 4067 (void) printf(gettext(" 11 Improved scrub performance\n")); 4068 (void) printf(gettext(" 12 Snapshot properties\n")); 4069 (void) printf(gettext(" 13 snapused property\n")); 4070 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4071 (void) printf(gettext(" 15 user/group space accounting\n")); 4072 (void) printf(gettext(" 16 stmf property support\n")); 4073 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4074 (void) printf(gettext(" 18 Snapshot user holds\n")); 4075 (void) printf(gettext(" 19 Log device removal\n")); 4076 (void) printf(gettext(" 20 Compression using zle " 4077 "(zero-length encoding)\n")); 4078 (void) printf(gettext(" 21 Deduplication\n")); 4079 (void) printf(gettext(" 22 Received properties\n")); 4080 (void) printf(gettext(" 23 Slim ZIL\n")); 4081 (void) printf(gettext(" 24 System attributes\n")); 4082 (void) printf(gettext(" 25 Improved scrub stats\n")); 4083 (void) printf(gettext(" 26 Improved snapshot deletion " 4084 "performance\n")); 4085 (void) printf(gettext(" 27 Improved snapshot creation " 4086 "performance\n")); 4087 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4088 (void) printf(gettext("\nFor more information on a particular " 4089 "version, including supported releases,\n")); 4090 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4091 } else if (argc == 0) { 4092 int notfound; 4093 4094 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4095 notfound = cb.cb_first; 4096 4097 if (!cb.cb_all && ret == 0) { 4098 if (!cb.cb_first) 4099 (void) printf("\n"); 4100 cb.cb_first = B_TRUE; 4101 cb.cb_newer = B_TRUE; 4102 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4103 if (!cb.cb_first) { 4104 notfound = B_FALSE; 4105 (void) printf("\n"); 4106 } 4107 } 4108 4109 if (ret == 0) { 4110 if (notfound) 4111 (void) printf(gettext("All pools are formatted " 4112 "using this version.\n")); 4113 else if (!cb.cb_all) 4114 (void) printf(gettext("Use 'zpool upgrade -v' " 4115 "for a list of available versions and " 4116 "their associated\nfeatures.\n")); 4117 } 4118 } else { 4119 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4120 upgrade_one, &cb); 4121 } 4122 4123 if (cb.cb_poolname[0] != '\0') { 4124 (void) printf( 4125 "If you boot from pool '%s', don't forget to update boot code.\n" 4126 "Assuming you use GPT partitioning and da0 is your boot disk\n" 4127 "the following command will do it:\n" 4128 "\n" 4129 "\tgpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0\n\n", 4130 cb.cb_poolname); 4131 } 4132 4133 return (ret); 4134} 4135 4136typedef struct hist_cbdata { 4137 boolean_t first; 4138 int longfmt; 4139 int internal; 4140} hist_cbdata_t; 4141 4142/* 4143 * Print out the command history for a specific pool. 4144 */ 4145static int 4146get_history_one(zpool_handle_t *zhp, void *data) 4147{ 4148 nvlist_t *nvhis; 4149 nvlist_t **records; 4150 uint_t numrecords; 4151 char *cmdstr; 4152 char *pathstr; 4153 uint64_t dst_time; 4154 time_t tsec; 4155 struct tm t; 4156 char tbuf[30]; 4157 int ret, i; 4158 uint64_t who; 4159 struct passwd *pwd; 4160 char *hostname; 4161 char *zonename; 4162 char internalstr[MAXPATHLEN]; 4163 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4164 uint64_t txg; 4165 uint64_t ievent; 4166 4167 cb->first = B_FALSE; 4168 4169 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4170 4171 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4172 return (ret); 4173 4174 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4175 &records, &numrecords) == 0); 4176 for (i = 0; i < numrecords; i++) { 4177 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 4178 &dst_time) != 0) 4179 continue; 4180 4181 /* is it an internal event or a standard event? */ 4182 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 4183 &cmdstr) != 0) { 4184 if (cb->internal == 0) 4185 continue; 4186 4187 if (nvlist_lookup_uint64(records[i], 4188 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 4189 continue; 4190 verify(nvlist_lookup_uint64(records[i], 4191 ZPOOL_HIST_TXG, &txg) == 0); 4192 verify(nvlist_lookup_string(records[i], 4193 ZPOOL_HIST_INT_STR, &pathstr) == 0); 4194 if (ievent >= LOG_END) 4195 continue; 4196 (void) snprintf(internalstr, 4197 sizeof (internalstr), 4198 "[internal %s txg:%lld] %s", 4199 zfs_history_event_names[ievent], txg, 4200 pathstr); 4201 cmdstr = internalstr; 4202 } 4203 tsec = dst_time; 4204 (void) localtime_r(&tsec, &t); 4205 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4206 (void) printf("%s %s", tbuf, cmdstr); 4207 4208 if (!cb->longfmt) { 4209 (void) printf("\n"); 4210 continue; 4211 } 4212 (void) printf(" ["); 4213 if (nvlist_lookup_uint64(records[i], 4214 ZPOOL_HIST_WHO, &who) == 0) { 4215 pwd = getpwuid((uid_t)who); 4216 if (pwd) 4217 (void) printf("user %s on", 4218 pwd->pw_name); 4219 else 4220 (void) printf("user %d on", 4221 (int)who); 4222 } else { 4223 (void) printf(gettext("no info]\n")); 4224 continue; 4225 } 4226 if (nvlist_lookup_string(records[i], 4227 ZPOOL_HIST_HOST, &hostname) == 0) { 4228 (void) printf(" %s", hostname); 4229 } 4230 if (nvlist_lookup_string(records[i], 4231 ZPOOL_HIST_ZONE, &zonename) == 0) { 4232 (void) printf(":%s", zonename); 4233 } 4234 4235 (void) printf("]"); 4236 (void) printf("\n"); 4237 } 4238 (void) printf("\n"); 4239 nvlist_free(nvhis); 4240 4241 return (ret); 4242} 4243 4244/* 4245 * zpool history <pool> 4246 * 4247 * Displays the history of commands that modified pools. 4248 */ 4249 4250 4251int 4252zpool_do_history(int argc, char **argv) 4253{ 4254 hist_cbdata_t cbdata = { 0 }; 4255 int ret; 4256 int c; 4257 4258 cbdata.first = B_TRUE; 4259 /* check options */ 4260 while ((c = getopt(argc, argv, "li")) != -1) { 4261 switch (c) { 4262 case 'l': 4263 cbdata.longfmt = 1; 4264 break; 4265 case 'i': 4266 cbdata.internal = 1; 4267 break; 4268 case '?': 4269 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4270 optopt); 4271 usage(B_FALSE); 4272 } 4273 } 4274 argc -= optind; 4275 argv += optind; 4276 4277 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4278 &cbdata); 4279 4280 if (argc == 0 && cbdata.first == B_TRUE) { 4281 (void) printf(gettext("no pools available\n")); 4282 return (0); 4283 } 4284 4285 return (ret); 4286} 4287 4288static int 4289get_callback(zpool_handle_t *zhp, void *data) 4290{ 4291 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4292 char value[MAXNAMELEN]; 4293 zprop_source_t srctype; 4294 zprop_list_t *pl; 4295 4296 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4297 4298 /* 4299 * Skip the special fake placeholder. This will also skip 4300 * over the name property when 'all' is specified. 4301 */ 4302 if (pl->pl_prop == ZPOOL_PROP_NAME && 4303 pl == cbp->cb_proplist) 4304 continue; 4305 4306 if (zpool_get_prop(zhp, pl->pl_prop, 4307 value, sizeof (value), &srctype) != 0) 4308 continue; 4309 4310 zprop_print_one_property(zpool_get_name(zhp), cbp, 4311 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4312 NULL); 4313 } 4314 return (0); 4315} 4316 4317int 4318zpool_do_get(int argc, char **argv) 4319{ 4320 zprop_get_cbdata_t cb = { 0 }; 4321 zprop_list_t fake_name = { 0 }; 4322 int ret; 4323 4324 if (argc < 3) 4325 usage(B_FALSE); 4326 4327 cb.cb_first = B_TRUE; 4328 cb.cb_sources = ZPROP_SRC_ALL; 4329 cb.cb_columns[0] = GET_COL_NAME; 4330 cb.cb_columns[1] = GET_COL_PROPERTY; 4331 cb.cb_columns[2] = GET_COL_VALUE; 4332 cb.cb_columns[3] = GET_COL_SOURCE; 4333 cb.cb_type = ZFS_TYPE_POOL; 4334 4335 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4336 ZFS_TYPE_POOL) != 0) 4337 usage(B_FALSE); 4338 4339 if (cb.cb_proplist != NULL) { 4340 fake_name.pl_prop = ZPOOL_PROP_NAME; 4341 fake_name.pl_width = strlen(gettext("NAME")); 4342 fake_name.pl_next = cb.cb_proplist; 4343 cb.cb_proplist = &fake_name; 4344 } 4345 4346 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4347 get_callback, &cb); 4348 4349 if (cb.cb_proplist == &fake_name) 4350 zprop_free_list(fake_name.pl_next); 4351 else 4352 zprop_free_list(cb.cb_proplist); 4353 4354 return (ret); 4355} 4356 4357typedef struct set_cbdata { 4358 char *cb_propname; 4359 char *cb_value; 4360 boolean_t cb_any_successful; 4361} set_cbdata_t; 4362 4363int 4364set_callback(zpool_handle_t *zhp, void *data) 4365{ 4366 int error; 4367 set_cbdata_t *cb = (set_cbdata_t *)data; 4368 4369 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4370 4371 if (!error) 4372 cb->cb_any_successful = B_TRUE; 4373 4374 return (error); 4375} 4376 4377int 4378zpool_do_set(int argc, char **argv) 4379{ 4380 set_cbdata_t cb = { 0 }; 4381 int error; 4382 4383 if (argc > 1 && argv[1][0] == '-') { 4384 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4385 argv[1][1]); 4386 usage(B_FALSE); 4387 } 4388 4389 if (argc < 2) { 4390 (void) fprintf(stderr, gettext("missing property=value " 4391 "argument\n")); 4392 usage(B_FALSE); 4393 } 4394 4395 if (argc < 3) { 4396 (void) fprintf(stderr, gettext("missing pool name\n")); 4397 usage(B_FALSE); 4398 } 4399 4400 if (argc > 3) { 4401 (void) fprintf(stderr, gettext("too many pool names\n")); 4402 usage(B_FALSE); 4403 } 4404 4405 cb.cb_propname = argv[1]; 4406 cb.cb_value = strchr(cb.cb_propname, '='); 4407 if (cb.cb_value == NULL) { 4408 (void) fprintf(stderr, gettext("missing value in " 4409 "property=value argument\n")); 4410 usage(B_FALSE); 4411 } 4412 4413 *(cb.cb_value) = '\0'; 4414 cb.cb_value++; 4415 4416 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4417 set_callback, &cb); 4418 4419 return (error); 4420} 4421 4422static int 4423find_command_idx(char *command, int *idx) 4424{ 4425 int i; 4426 4427 for (i = 0; i < NCOMMAND; i++) { 4428 if (command_table[i].name == NULL) 4429 continue; 4430 4431 if (strcmp(command, command_table[i].name) == 0) { 4432 *idx = i; 4433 return (0); 4434 } 4435 } 4436 return (1); 4437} 4438 4439int 4440main(int argc, char **argv) 4441{ 4442 int ret; 4443 int i; 4444 char *cmdname; 4445 4446 (void) setlocale(LC_ALL, ""); 4447 (void) textdomain(TEXT_DOMAIN); 4448 4449 if ((g_zfs = libzfs_init()) == NULL) { 4450 (void) fprintf(stderr, gettext("internal error: failed to " 4451 "initialize ZFS library\n")); 4452 return (1); 4453 } 4454 4455 libzfs_print_on_error(g_zfs, B_TRUE); 4456 4457 opterr = 0; 4458 4459 /* 4460 * Make sure the user has specified some command. 4461 */ 4462 if (argc < 2) { 4463 (void) fprintf(stderr, gettext("missing command\n")); 4464 usage(B_FALSE); 4465 } 4466 4467 cmdname = argv[1]; 4468 4469 /* 4470 * Special case '-?' 4471 */ 4472 if (strcmp(cmdname, "-?") == 0) 4473 usage(B_TRUE); 4474 4475 zpool_set_history_str("zpool", argc, argv, history_str); 4476 verify(zpool_stage_history(g_zfs, history_str) == 0); 4477 4478 /* 4479 * Run the appropriate command. 4480 */ 4481 if (find_command_idx(cmdname, &i) == 0) { 4482 current_command = &command_table[i]; 4483 ret = command_table[i].func(argc - 1, argv + 1); 4484 } else if (strchr(cmdname, '=')) { 4485 verify(find_command_idx("set", &i) == 0); 4486 current_command = &command_table[i]; 4487 ret = command_table[i].func(argc, argv); 4488 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4489 /* 4490 * 'freeze' is a vile debugging abomination, so we treat 4491 * it as such. 4492 */ 4493 char buf[16384]; 4494 int fd = open(ZFS_DEV, O_RDWR); 4495 (void) strcpy((void *)buf, argv[2]); 4496 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4497 } else { 4498 (void) fprintf(stderr, gettext("unrecognized " 4499 "command '%s'\n"), cmdname); 4500 usage(B_FALSE); 4501 } 4502 4503 libzfs_fini(g_zfs); 4504 4505 /* 4506 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4507 * for the purposes of running ::findleaks. 4508 */ 4509 if (getenv("ZFS_ABORT") != NULL) { 4510 (void) printf("dumping core by request\n"); 4511 abort(); 4512 } 4513 4514 return (ret); 4515} 4516