zpool_main.c revision 224170
1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26#include <solaris.h> 27#include <assert.h> 28#include <ctype.h> 29#include <dirent.h> 30#include <errno.h> 31#include <fcntl.h> 32#include <libgen.h> 33#include <libintl.h> 34#include <libuutil.h> 35#include <locale.h> 36#include <stdio.h> 37#include <stdlib.h> 38#include <string.h> 39#include <strings.h> 40#include <unistd.h> 41#include <priv.h> 42#include <pwd.h> 43#include <zone.h> 44#include <sys/time.h> 45#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 const 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 vs->vs_state <= VDEV_STATE_CANT_OPEN) { 1089 char *path; 1090 if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) 1091 (void) printf(" was %s", path); 1092 } else if (vs->vs_aux != 0) { 1093 (void) printf(" "); 1094 1095 switch (vs->vs_aux) { 1096 case VDEV_AUX_OPEN_FAILED: 1097 (void) printf(gettext("cannot open")); 1098 break; 1099 1100 case VDEV_AUX_BAD_GUID_SUM: 1101 (void) printf(gettext("missing device")); 1102 break; 1103 1104 case VDEV_AUX_NO_REPLICAS: 1105 (void) printf(gettext("insufficient replicas")); 1106 break; 1107 1108 case VDEV_AUX_VERSION_NEWER: 1109 (void) printf(gettext("newer version")); 1110 break; 1111 1112 case VDEV_AUX_SPARED: 1113 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1114 &cb.cb_guid) == 0); 1115 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1116 if (strcmp(zpool_get_name(cb.cb_zhp), 1117 zpool_get_name(zhp)) == 0) 1118 (void) printf(gettext("currently in " 1119 "use")); 1120 else 1121 (void) printf(gettext("in use by " 1122 "pool '%s'"), 1123 zpool_get_name(cb.cb_zhp)); 1124 zpool_close(cb.cb_zhp); 1125 } else { 1126 (void) printf(gettext("currently in use")); 1127 } 1128 break; 1129 1130 case VDEV_AUX_ERR_EXCEEDED: 1131 (void) printf(gettext("too many errors")); 1132 break; 1133 1134 case VDEV_AUX_IO_FAILURE: 1135 (void) printf(gettext("experienced I/O failures")); 1136 break; 1137 1138 case VDEV_AUX_BAD_LOG: 1139 (void) printf(gettext("bad intent log")); 1140 break; 1141 1142 case VDEV_AUX_EXTERNAL: 1143 (void) printf(gettext("external device fault")); 1144 break; 1145 1146 case VDEV_AUX_SPLIT_POOL: 1147 (void) printf(gettext("split into new pool")); 1148 break; 1149 1150 default: 1151 (void) printf(gettext("corrupted data")); 1152 break; 1153 } 1154 } 1155 1156 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1157 (uint64_t **)&ps, &c); 1158 1159 if (ps && ps->pss_state == DSS_SCANNING && 1160 vs->vs_scan_processed != 0 && children == 0) { 1161 (void) printf(gettext(" (%s)"), 1162 (ps->pss_func == POOL_SCAN_RESILVER) ? 1163 "resilvering" : "repairing"); 1164 } 1165 1166 (void) printf("\n"); 1167 1168 for (c = 0; c < children; c++) { 1169 uint64_t islog = B_FALSE, ishole = B_FALSE; 1170 1171 /* Don't print logs or holes here */ 1172 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1173 &islog); 1174 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1175 &ishole); 1176 if (islog || ishole) 1177 continue; 1178 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1179 print_status_config(zhp, vname, child[c], 1180 namewidth, depth + 2, isspare); 1181 free(vname); 1182 } 1183} 1184 1185 1186/* 1187 * Print the configuration of an exported pool. Iterate over all vdevs in the 1188 * pool, printing out the name and status for each one. 1189 */ 1190void 1191print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1192{ 1193 nvlist_t **child; 1194 uint_t c, children; 1195 vdev_stat_t *vs; 1196 char *type, *vname; 1197 1198 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1199 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1200 strcmp(type, VDEV_TYPE_HOLE) == 0) 1201 return; 1202 1203 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1204 (uint64_t **)&vs, &c) == 0); 1205 1206 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1207 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1208 1209 if (vs->vs_aux != 0) { 1210 (void) printf(" "); 1211 1212 switch (vs->vs_aux) { 1213 case VDEV_AUX_OPEN_FAILED: 1214 (void) printf(gettext("cannot open")); 1215 break; 1216 1217 case VDEV_AUX_BAD_GUID_SUM: 1218 (void) printf(gettext("missing device")); 1219 break; 1220 1221 case VDEV_AUX_NO_REPLICAS: 1222 (void) printf(gettext("insufficient replicas")); 1223 break; 1224 1225 case VDEV_AUX_VERSION_NEWER: 1226 (void) printf(gettext("newer version")); 1227 break; 1228 1229 case VDEV_AUX_ERR_EXCEEDED: 1230 (void) printf(gettext("too many errors")); 1231 break; 1232 1233 default: 1234 (void) printf(gettext("corrupted data")); 1235 break; 1236 } 1237 } 1238 (void) printf("\n"); 1239 1240 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1241 &child, &children) != 0) 1242 return; 1243 1244 for (c = 0; c < children; c++) { 1245 uint64_t is_log = B_FALSE; 1246 1247 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1248 &is_log); 1249 if (is_log) 1250 continue; 1251 1252 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1253 print_import_config(vname, child[c], namewidth, depth + 2); 1254 free(vname); 1255 } 1256 1257 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1258 &child, &children) == 0) { 1259 (void) printf(gettext("\tcache\n")); 1260 for (c = 0; c < children; c++) { 1261 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1262 (void) printf("\t %s\n", vname); 1263 free(vname); 1264 } 1265 } 1266 1267 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1268 &child, &children) == 0) { 1269 (void) printf(gettext("\tspares\n")); 1270 for (c = 0; c < children; c++) { 1271 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1272 (void) printf("\t %s\n", vname); 1273 free(vname); 1274 } 1275 } 1276} 1277 1278/* 1279 * Print log vdevs. 1280 * Logs are recorded as top level vdevs in the main pool child array 1281 * but with "is_log" set to 1. We use either print_status_config() or 1282 * print_import_config() to print the top level logs then any log 1283 * children (eg mirrored slogs) are printed recursively - which 1284 * works because only the top level vdev is marked "is_log" 1285 */ 1286static void 1287print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1288{ 1289 uint_t c, children; 1290 nvlist_t **child; 1291 1292 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1293 &children) != 0) 1294 return; 1295 1296 (void) printf(gettext("\tlogs\n")); 1297 1298 for (c = 0; c < children; c++) { 1299 uint64_t is_log = B_FALSE; 1300 char *name; 1301 1302 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1303 &is_log); 1304 if (!is_log) 1305 continue; 1306 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1307 if (verbose) 1308 print_status_config(zhp, name, child[c], namewidth, 1309 2, B_FALSE); 1310 else 1311 print_import_config(name, child[c], namewidth, 2); 1312 free(name); 1313 } 1314} 1315 1316/* 1317 * Display the status for the given pool. 1318 */ 1319static void 1320show_import(nvlist_t *config) 1321{ 1322 uint64_t pool_state; 1323 vdev_stat_t *vs; 1324 char *name; 1325 uint64_t guid; 1326 char *msgid; 1327 nvlist_t *nvroot; 1328 int reason; 1329 const char *health; 1330 uint_t vsc; 1331 int namewidth; 1332 1333 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1334 &name) == 0); 1335 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1336 &guid) == 0); 1337 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1338 &pool_state) == 0); 1339 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1340 &nvroot) == 0); 1341 1342 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1343 (uint64_t **)&vs, &vsc) == 0); 1344 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1345 1346 reason = zpool_import_status(config, &msgid); 1347 1348 (void) printf(gettext(" pool: %s\n"), name); 1349 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1350 (void) printf(gettext(" state: %s"), health); 1351 if (pool_state == POOL_STATE_DESTROYED) 1352 (void) printf(gettext(" (DESTROYED)")); 1353 (void) printf("\n"); 1354 1355 switch (reason) { 1356 case ZPOOL_STATUS_MISSING_DEV_R: 1357 case ZPOOL_STATUS_MISSING_DEV_NR: 1358 case ZPOOL_STATUS_BAD_GUID_SUM: 1359 (void) printf(gettext("status: One or more devices are missing " 1360 "from the system.\n")); 1361 break; 1362 1363 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1364 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1365 (void) printf(gettext("status: One or more devices contains " 1366 "corrupted data.\n")); 1367 break; 1368 1369 case ZPOOL_STATUS_CORRUPT_DATA: 1370 (void) printf(gettext("status: The pool data is corrupted.\n")); 1371 break; 1372 1373 case ZPOOL_STATUS_OFFLINE_DEV: 1374 (void) printf(gettext("status: One or more devices " 1375 "are offlined.\n")); 1376 break; 1377 1378 case ZPOOL_STATUS_CORRUPT_POOL: 1379 (void) printf(gettext("status: The pool metadata is " 1380 "corrupted.\n")); 1381 break; 1382 1383 case ZPOOL_STATUS_VERSION_OLDER: 1384 (void) printf(gettext("status: The pool is formatted using an " 1385 "older on-disk version.\n")); 1386 break; 1387 1388 case ZPOOL_STATUS_VERSION_NEWER: 1389 (void) printf(gettext("status: The pool is formatted using an " 1390 "incompatible version.\n")); 1391 break; 1392 1393 case ZPOOL_STATUS_HOSTID_MISMATCH: 1394 (void) printf(gettext("status: The pool was last accessed by " 1395 "another system.\n")); 1396 break; 1397 1398 case ZPOOL_STATUS_FAULTED_DEV_R: 1399 case ZPOOL_STATUS_FAULTED_DEV_NR: 1400 (void) printf(gettext("status: One or more devices are " 1401 "faulted.\n")); 1402 break; 1403 1404 case ZPOOL_STATUS_BAD_LOG: 1405 (void) printf(gettext("status: An intent log record cannot be " 1406 "read.\n")); 1407 break; 1408 1409 case ZPOOL_STATUS_RESILVERING: 1410 (void) printf(gettext("status: One or more devices were being " 1411 "resilvered.\n")); 1412 break; 1413 1414 default: 1415 /* 1416 * No other status can be seen when importing pools. 1417 */ 1418 assert(reason == ZPOOL_STATUS_OK); 1419 } 1420 1421 /* 1422 * Print out an action according to the overall state of the pool. 1423 */ 1424 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1425 if (reason == ZPOOL_STATUS_VERSION_OLDER) 1426 (void) printf(gettext("action: The pool can be " 1427 "imported using its name or numeric identifier, " 1428 "though\n\tsome features will not be available " 1429 "without an explicit 'zpool upgrade'.\n")); 1430 else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) 1431 (void) printf(gettext("action: The pool can be " 1432 "imported using its name or numeric " 1433 "identifier and\n\tthe '-f' flag.\n")); 1434 else 1435 (void) printf(gettext("action: The pool can be " 1436 "imported using its name or numeric " 1437 "identifier.\n")); 1438 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1439 (void) printf(gettext("action: The pool can be imported " 1440 "despite missing or damaged devices. The\n\tfault " 1441 "tolerance of the pool may be compromised if imported.\n")); 1442 } else { 1443 switch (reason) { 1444 case ZPOOL_STATUS_VERSION_NEWER: 1445 (void) printf(gettext("action: The pool cannot be " 1446 "imported. Access the pool on a system running " 1447 "newer\n\tsoftware, or recreate the pool from " 1448 "backup.\n")); 1449 break; 1450 case ZPOOL_STATUS_MISSING_DEV_R: 1451 case ZPOOL_STATUS_MISSING_DEV_NR: 1452 case ZPOOL_STATUS_BAD_GUID_SUM: 1453 (void) printf(gettext("action: The pool cannot be " 1454 "imported. Attach the missing\n\tdevices and try " 1455 "again.\n")); 1456 break; 1457 default: 1458 (void) printf(gettext("action: The pool cannot be " 1459 "imported due to damaged devices or data.\n")); 1460 } 1461 } 1462 1463 /* 1464 * If the state is "closed" or "can't open", and the aux state 1465 * is "corrupt data": 1466 */ 1467 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1468 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1469 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1470 if (pool_state == POOL_STATE_DESTROYED) 1471 (void) printf(gettext("\tThe pool was destroyed, " 1472 "but can be imported using the '-Df' flags.\n")); 1473 else if (pool_state != POOL_STATE_EXPORTED) 1474 (void) printf(gettext("\tThe pool may be active on " 1475 "another system, but can be imported using\n\t" 1476 "the '-f' flag.\n")); 1477 } 1478 1479 if (msgid != NULL) 1480 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 1481 msgid); 1482 1483 (void) printf(gettext("config:\n\n")); 1484 1485 namewidth = max_width(NULL, nvroot, 0, 0); 1486 if (namewidth < 10) 1487 namewidth = 10; 1488 1489 print_import_config(name, nvroot, namewidth, 0); 1490 if (num_logs(nvroot) > 0) 1491 print_logs(NULL, nvroot, namewidth, B_FALSE); 1492 1493 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1494 (void) printf(gettext("\n\tAdditional devices are known to " 1495 "be part of this pool, though their\n\texact " 1496 "configuration cannot be determined.\n")); 1497 } 1498} 1499 1500/* 1501 * Perform the import for the given configuration. This passes the heavy 1502 * lifting off to zpool_import_props(), and then mounts the datasets contained 1503 * within the pool. 1504 */ 1505static int 1506do_import(nvlist_t *config, const char *newname, const char *mntopts, 1507 nvlist_t *props, int flags) 1508{ 1509 zpool_handle_t *zhp; 1510 char *name; 1511 uint64_t state; 1512 uint64_t version; 1513 1514 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1515 &name) == 0); 1516 1517 verify(nvlist_lookup_uint64(config, 1518 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1519 verify(nvlist_lookup_uint64(config, 1520 ZPOOL_CONFIG_VERSION, &version) == 0); 1521 if (version > SPA_VERSION) { 1522 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1523 "is formatted using a newer ZFS version\n"), name); 1524 return (1); 1525 } else if (state != POOL_STATE_EXPORTED && 1526 !(flags & ZFS_IMPORT_ANY_HOST)) { 1527 uint64_t hostid; 1528 1529 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1530 &hostid) == 0) { 1531 if ((unsigned long)hostid != gethostid()) { 1532 char *hostname; 1533 uint64_t timestamp; 1534 time_t t; 1535 1536 verify(nvlist_lookup_string(config, 1537 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1538 verify(nvlist_lookup_uint64(config, 1539 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1540 t = timestamp; 1541 (void) fprintf(stderr, gettext("cannot import " 1542 "'%s': pool may be in use from other " 1543 "system, it was last accessed by %s " 1544 "(hostid: 0x%lx) on %s"), name, hostname, 1545 (unsigned long)hostid, 1546 asctime(localtime(&t))); 1547 (void) fprintf(stderr, gettext("use '-f' to " 1548 "import anyway\n")); 1549 return (1); 1550 } 1551 } else { 1552 (void) fprintf(stderr, gettext("cannot import '%s': " 1553 "pool may be in use from other system\n"), name); 1554 (void) fprintf(stderr, gettext("use '-f' to import " 1555 "anyway\n")); 1556 return (1); 1557 } 1558 } 1559 1560 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1561 return (1); 1562 1563 if (newname != NULL) 1564 name = (char *)newname; 1565 1566 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1567 return (1); 1568 1569 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1570 !(flags & ZFS_IMPORT_ONLY) && 1571 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1572 zpool_close(zhp); 1573 return (1); 1574 } 1575 1576 zpool_close(zhp); 1577 return (0); 1578} 1579 1580/* 1581 * zpool import [-d dir] [-D] 1582 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1583 * [-d dir | -c cachefile] [-f] -a 1584 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1585 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1586 * 1587 * -c Read pool information from a cachefile instead of searching 1588 * devices. 1589 * 1590 * -d Scan in a specific directory, other than /dev/dsk. More than 1591 * one directory can be specified using multiple '-d' options. 1592 * 1593 * -D Scan for previously destroyed pools or import all or only 1594 * specified destroyed pools. 1595 * 1596 * -R Temporarily import the pool, with all mountpoints relative to 1597 * the given root. The pool will remain exported when the machine 1598 * is rebooted. 1599 * 1600 * -V Import even in the presence of faulted vdevs. This is an 1601 * intentionally undocumented option for testing purposes, and 1602 * treats the pool configuration as complete, leaving any bad 1603 * vdevs in the FAULTED state. In other words, it does verbatim 1604 * import. 1605 * 1606 * -f Force import, even if it appears that the pool is active. 1607 * 1608 * -F Attempt rewind if necessary. 1609 * 1610 * -n See if rewind would work, but don't actually rewind. 1611 * 1612 * -N Import the pool but don't mount datasets. 1613 * 1614 * -T Specify a starting txg to use for import. This option is 1615 * intentionally undocumented option for testing purposes. 1616 * 1617 * -a Import all pools found. 1618 * 1619 * -o Set property=value and/or temporary mount options (without '='). 1620 * 1621 * The import command scans for pools to import, and import pools based on pool 1622 * name and GUID. The pool can also be renamed as part of the import process. 1623 */ 1624int 1625zpool_do_import(int argc, char **argv) 1626{ 1627 char **searchdirs = NULL; 1628 int nsearch = 0; 1629 int c; 1630 int err = 0; 1631 nvlist_t *pools = NULL; 1632 boolean_t do_all = B_FALSE; 1633 boolean_t do_destroyed = B_FALSE; 1634 char *mntopts = NULL; 1635 nvpair_t *elem; 1636 nvlist_t *config; 1637 uint64_t searchguid = 0; 1638 char *searchname = NULL; 1639 char *propval; 1640 nvlist_t *found_config; 1641 nvlist_t *policy = NULL; 1642 nvlist_t *props = NULL; 1643 boolean_t first; 1644 int flags = ZFS_IMPORT_NORMAL; 1645 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1646 boolean_t dryrun = B_FALSE; 1647 boolean_t do_rewind = B_FALSE; 1648 boolean_t xtreme_rewind = B_FALSE; 1649 uint64_t pool_state, txg = -1ULL; 1650 char *cachefile = NULL; 1651 importargs_t idata = { 0 }; 1652 char *endptr; 1653 1654 /* check options */ 1655 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:rR:T:VX")) != -1) { 1656 switch (c) { 1657 case 'a': 1658 do_all = B_TRUE; 1659 break; 1660 case 'c': 1661 cachefile = optarg; 1662 break; 1663 case 'd': 1664 if (searchdirs == NULL) { 1665 searchdirs = safe_malloc(sizeof (char *)); 1666 } else { 1667 char **tmp = safe_malloc((nsearch + 1) * 1668 sizeof (char *)); 1669 bcopy(searchdirs, tmp, nsearch * 1670 sizeof (char *)); 1671 free(searchdirs); 1672 searchdirs = tmp; 1673 } 1674 searchdirs[nsearch++] = optarg; 1675 break; 1676 case 'D': 1677 do_destroyed = B_TRUE; 1678 break; 1679 case 'f': 1680 flags |= ZFS_IMPORT_ANY_HOST; 1681 break; 1682 case 'F': 1683 do_rewind = B_TRUE; 1684 break; 1685 case 'm': 1686 flags |= ZFS_IMPORT_MISSING_LOG; 1687 break; 1688 case 'n': 1689 dryrun = B_TRUE; 1690 break; 1691 case 'N': 1692 flags |= ZFS_IMPORT_ONLY; 1693 break; 1694 case 'o': 1695 if ((propval = strchr(optarg, '=')) != NULL) { 1696 *propval = '\0'; 1697 propval++; 1698 if (add_prop_list(optarg, propval, 1699 &props, B_TRUE)) 1700 goto error; 1701 } else { 1702 mntopts = optarg; 1703 } 1704 break; 1705 case 'R': 1706 if (add_prop_list(zpool_prop_to_name( 1707 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1708 goto error; 1709 if (nvlist_lookup_string(props, 1710 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1711 &propval) == 0) 1712 break; 1713 if (add_prop_list(zpool_prop_to_name( 1714 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1715 goto error; 1716 break; 1717 case 'T': 1718 errno = 0; 1719 txg = strtoull(optarg, &endptr, 10); 1720 if (errno != 0 || *endptr != '\0') { 1721 (void) fprintf(stderr, 1722 gettext("invalid txg value\n")); 1723 usage(B_FALSE); 1724 } 1725 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 1726 break; 1727 case 'V': 1728 flags |= ZFS_IMPORT_VERBATIM; 1729 break; 1730 case 'X': 1731 xtreme_rewind = B_TRUE; 1732 break; 1733 case ':': 1734 (void) fprintf(stderr, gettext("missing argument for " 1735 "'%c' option\n"), optopt); 1736 usage(B_FALSE); 1737 break; 1738 case '?': 1739 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1740 optopt); 1741 usage(B_FALSE); 1742 } 1743 } 1744 1745 argc -= optind; 1746 argv += optind; 1747 1748 if (cachefile && nsearch != 0) { 1749 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1750 usage(B_FALSE); 1751 } 1752 1753 if ((dryrun || xtreme_rewind) && !do_rewind) { 1754 (void) fprintf(stderr, 1755 gettext("-n or -X only meaningful with -F\n")); 1756 usage(B_FALSE); 1757 } 1758 if (dryrun) 1759 rewind_policy = ZPOOL_TRY_REWIND; 1760 else if (do_rewind) 1761 rewind_policy = ZPOOL_DO_REWIND; 1762 if (xtreme_rewind) 1763 rewind_policy |= ZPOOL_EXTREME_REWIND; 1764 1765 /* In the future, we can capture further policy and include it here */ 1766 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1767 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 1768 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1769 goto error; 1770 1771 if (searchdirs == NULL) { 1772 searchdirs = safe_malloc(sizeof (char *)); 1773 searchdirs[0] = "/dev/dsk"; 1774 nsearch = 1; 1775 } 1776 1777 /* check argument count */ 1778 if (do_all) { 1779 if (argc != 0) { 1780 (void) fprintf(stderr, gettext("too many arguments\n")); 1781 usage(B_FALSE); 1782 } 1783 } else { 1784 if (argc > 2) { 1785 (void) fprintf(stderr, gettext("too many arguments\n")); 1786 usage(B_FALSE); 1787 } 1788 1789 /* 1790 * Check for the SYS_CONFIG privilege. We do this explicitly 1791 * here because otherwise any attempt to discover pools will 1792 * silently fail. 1793 */ 1794 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1795 (void) fprintf(stderr, gettext("cannot " 1796 "discover pools: permission denied\n")); 1797 free(searchdirs); 1798 nvlist_free(policy); 1799 return (1); 1800 } 1801 } 1802 1803 /* 1804 * Depending on the arguments given, we do one of the following: 1805 * 1806 * <none> Iterate through all pools and display information about 1807 * each one. 1808 * 1809 * -a Iterate through all pools and try to import each one. 1810 * 1811 * <id> Find the pool that corresponds to the given GUID/pool 1812 * name and import that one. 1813 * 1814 * -D Above options applies only to destroyed pools. 1815 */ 1816 if (argc != 0) { 1817 char *endptr; 1818 1819 errno = 0; 1820 searchguid = strtoull(argv[0], &endptr, 10); 1821 if (errno != 0 || *endptr != '\0') 1822 searchname = argv[0]; 1823 found_config = NULL; 1824 1825 /* 1826 * User specified a name or guid. Ensure it's unique. 1827 */ 1828 idata.unique = B_TRUE; 1829 } 1830 1831 1832 idata.path = searchdirs; 1833 idata.paths = nsearch; 1834 idata.poolname = searchname; 1835 idata.guid = searchguid; 1836 idata.cachefile = cachefile; 1837 1838 pools = zpool_search_import(g_zfs, &idata); 1839 1840 if (pools != NULL && idata.exists && 1841 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 1842 (void) fprintf(stderr, gettext("cannot import '%s': " 1843 "a pool with that name already exists\n"), 1844 argv[0]); 1845 (void) fprintf(stderr, gettext("use the form '%s " 1846 "<pool | id> <newpool>' to give it a new name\n"), 1847 "zpool import"); 1848 err = 1; 1849 } else if (pools == NULL && idata.exists) { 1850 (void) fprintf(stderr, gettext("cannot import '%s': " 1851 "a pool with that name is already created/imported,\n"), 1852 argv[0]); 1853 (void) fprintf(stderr, gettext("and no additional pools " 1854 "with that name were found\n")); 1855 err = 1; 1856 } else if (pools == NULL) { 1857 if (argc != 0) { 1858 (void) fprintf(stderr, gettext("cannot import '%s': " 1859 "no such pool available\n"), argv[0]); 1860 } 1861 err = 1; 1862 } 1863 1864 if (err == 1) { 1865 free(searchdirs); 1866 nvlist_free(policy); 1867 return (1); 1868 } 1869 1870 /* 1871 * At this point we have a list of import candidate configs. Even if 1872 * we were searching by pool name or guid, we still need to 1873 * post-process the list to deal with pool state and possible 1874 * duplicate names. 1875 */ 1876 err = 0; 1877 elem = NULL; 1878 first = B_TRUE; 1879 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1880 1881 verify(nvpair_value_nvlist(elem, &config) == 0); 1882 1883 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1884 &pool_state) == 0); 1885 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1886 continue; 1887 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1888 continue; 1889 1890 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1891 policy) == 0); 1892 1893 if (argc == 0) { 1894 if (first) 1895 first = B_FALSE; 1896 else if (!do_all) 1897 (void) printf("\n"); 1898 1899 if (do_all) { 1900 err |= do_import(config, NULL, mntopts, 1901 props, flags); 1902 } else { 1903 show_import(config); 1904 } 1905 } else if (searchname != NULL) { 1906 char *name; 1907 1908 /* 1909 * We are searching for a pool based on name. 1910 */ 1911 verify(nvlist_lookup_string(config, 1912 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1913 1914 if (strcmp(name, searchname) == 0) { 1915 if (found_config != NULL) { 1916 (void) fprintf(stderr, gettext( 1917 "cannot import '%s': more than " 1918 "one matching pool\n"), searchname); 1919 (void) fprintf(stderr, gettext( 1920 "import by numeric ID instead\n")); 1921 err = B_TRUE; 1922 } 1923 found_config = config; 1924 } 1925 } else { 1926 uint64_t guid; 1927 1928 /* 1929 * Search for a pool by guid. 1930 */ 1931 verify(nvlist_lookup_uint64(config, 1932 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1933 1934 if (guid == searchguid) 1935 found_config = config; 1936 } 1937 } 1938 1939 /* 1940 * If we were searching for a specific pool, verify that we found a 1941 * pool, and then do the import. 1942 */ 1943 if (argc != 0 && err == 0) { 1944 if (found_config == NULL) { 1945 (void) fprintf(stderr, gettext("cannot import '%s': " 1946 "no such pool available\n"), argv[0]); 1947 err = B_TRUE; 1948 } else { 1949 err |= do_import(found_config, argc == 1 ? NULL : 1950 argv[1], mntopts, props, flags); 1951 } 1952 } 1953 1954 /* 1955 * If we were just looking for pools, report an error if none were 1956 * found. 1957 */ 1958 if (argc == 0 && first) 1959 (void) fprintf(stderr, 1960 gettext("no pools available to import\n")); 1961 1962error: 1963 nvlist_free(props); 1964 nvlist_free(pools); 1965 nvlist_free(policy); 1966 free(searchdirs); 1967 1968 return (err ? 1 : 0); 1969} 1970 1971typedef struct iostat_cbdata { 1972 zpool_list_t *cb_list; 1973 int cb_verbose; 1974 int cb_iteration; 1975 int cb_namewidth; 1976} iostat_cbdata_t; 1977 1978static void 1979print_iostat_separator(iostat_cbdata_t *cb) 1980{ 1981 int i = 0; 1982 1983 for (i = 0; i < cb->cb_namewidth; i++) 1984 (void) printf("-"); 1985 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1986} 1987 1988static void 1989print_iostat_header(iostat_cbdata_t *cb) 1990{ 1991 (void) printf("%*s capacity operations bandwidth\n", 1992 cb->cb_namewidth, ""); 1993 (void) printf("%-*s alloc free read write read write\n", 1994 cb->cb_namewidth, "pool"); 1995 print_iostat_separator(cb); 1996} 1997 1998/* 1999 * Display a single statistic. 2000 */ 2001static void 2002print_one_stat(uint64_t value) 2003{ 2004 char buf[64]; 2005 2006 zfs_nicenum(value, buf, sizeof (buf)); 2007 (void) printf(" %5s", buf); 2008} 2009 2010/* 2011 * Print out all the statistics for the given vdev. This can either be the 2012 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2013 * is a verbose output, and we don't want to display the toplevel pool stats. 2014 */ 2015void 2016print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2017 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2018{ 2019 nvlist_t **oldchild, **newchild; 2020 uint_t c, children; 2021 vdev_stat_t *oldvs, *newvs; 2022 vdev_stat_t zerovs = { 0 }; 2023 uint64_t tdelta; 2024 double scale; 2025 char *vname; 2026 2027 if (oldnv != NULL) { 2028 verify(nvlist_lookup_uint64_array(oldnv, 2029 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2030 } else { 2031 oldvs = &zerovs; 2032 } 2033 2034 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2035 (uint64_t **)&newvs, &c) == 0); 2036 2037 if (strlen(name) + depth > cb->cb_namewidth) 2038 (void) printf("%*s%s", depth, "", name); 2039 else 2040 (void) printf("%*s%s%*s", depth, "", name, 2041 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2042 2043 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2044 2045 if (tdelta == 0) 2046 scale = 1.0; 2047 else 2048 scale = (double)NANOSEC / tdelta; 2049 2050 /* only toplevel vdevs have capacity stats */ 2051 if (newvs->vs_space == 0) { 2052 (void) printf(" - -"); 2053 } else { 2054 print_one_stat(newvs->vs_alloc); 2055 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2056 } 2057 2058 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2059 oldvs->vs_ops[ZIO_TYPE_READ]))); 2060 2061 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2062 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2063 2064 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2065 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2066 2067 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2068 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2069 2070 (void) printf("\n"); 2071 2072 if (!cb->cb_verbose) 2073 return; 2074 2075 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2076 &newchild, &children) != 0) 2077 return; 2078 2079 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2080 &oldchild, &c) != 0) 2081 return; 2082 2083 for (c = 0; c < children; c++) { 2084 uint64_t ishole = B_FALSE; 2085 2086 if (nvlist_lookup_uint64(newchild[c], 2087 ZPOOL_CONFIG_IS_HOLE, &ishole) == 0 && ishole) 2088 continue; 2089 2090 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2091 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2092 newchild[c], cb, depth + 2); 2093 free(vname); 2094 } 2095 2096 /* 2097 * Include level 2 ARC devices in iostat output 2098 */ 2099 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2100 &newchild, &children) != 0) 2101 return; 2102 2103 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2104 &oldchild, &c) != 0) 2105 return; 2106 2107 if (children > 0) { 2108 (void) printf("%-*s - - - - - " 2109 "-\n", cb->cb_namewidth, "cache"); 2110 for (c = 0; c < children; c++) { 2111 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2112 B_FALSE); 2113 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2114 newchild[c], cb, depth + 2); 2115 free(vname); 2116 } 2117 } 2118} 2119 2120static int 2121refresh_iostat(zpool_handle_t *zhp, void *data) 2122{ 2123 iostat_cbdata_t *cb = data; 2124 boolean_t missing; 2125 2126 /* 2127 * If the pool has disappeared, remove it from the list and continue. 2128 */ 2129 if (zpool_refresh_stats(zhp, &missing) != 0) 2130 return (-1); 2131 2132 if (missing) 2133 pool_list_remove(cb->cb_list, zhp); 2134 2135 return (0); 2136} 2137 2138/* 2139 * Callback to print out the iostats for the given pool. 2140 */ 2141int 2142print_iostat(zpool_handle_t *zhp, void *data) 2143{ 2144 iostat_cbdata_t *cb = data; 2145 nvlist_t *oldconfig, *newconfig; 2146 nvlist_t *oldnvroot, *newnvroot; 2147 2148 newconfig = zpool_get_config(zhp, &oldconfig); 2149 2150 if (cb->cb_iteration == 1) 2151 oldconfig = NULL; 2152 2153 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2154 &newnvroot) == 0); 2155 2156 if (oldconfig == NULL) 2157 oldnvroot = NULL; 2158 else 2159 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2160 &oldnvroot) == 0); 2161 2162 /* 2163 * Print out the statistics for the pool. 2164 */ 2165 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2166 2167 if (cb->cb_verbose) 2168 print_iostat_separator(cb); 2169 2170 return (0); 2171} 2172 2173int 2174get_namewidth(zpool_handle_t *zhp, void *data) 2175{ 2176 iostat_cbdata_t *cb = data; 2177 nvlist_t *config, *nvroot; 2178 2179 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2180 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2181 &nvroot) == 0); 2182 if (!cb->cb_verbose) 2183 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2184 else 2185 cb->cb_namewidth = max_width(zhp, nvroot, 0, 0); 2186 } 2187 2188 /* 2189 * The width must fall into the range [10,38]. The upper limit is the 2190 * maximum we can have and still fit in 80 columns. 2191 */ 2192 if (cb->cb_namewidth < 10) 2193 cb->cb_namewidth = 10; 2194 if (cb->cb_namewidth > 38) 2195 cb->cb_namewidth = 38; 2196 2197 return (0); 2198} 2199 2200/* 2201 * Parse the input string, get the 'interval' and 'count' value if there is one. 2202 */ 2203static void 2204get_interval_count(int *argcp, char **argv, unsigned long *iv, 2205 unsigned long *cnt) 2206{ 2207 unsigned long interval = 0, count = 0; 2208 int argc = *argcp, errno; 2209 2210 /* 2211 * Determine if the last argument is an integer or a pool name 2212 */ 2213 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2214 char *end; 2215 2216 errno = 0; 2217 interval = strtoul(argv[argc - 1], &end, 10); 2218 2219 if (*end == '\0' && errno == 0) { 2220 if (interval == 0) { 2221 (void) fprintf(stderr, gettext("interval " 2222 "cannot be zero\n")); 2223 usage(B_FALSE); 2224 } 2225 /* 2226 * Ignore the last parameter 2227 */ 2228 argc--; 2229 } else { 2230 /* 2231 * If this is not a valid number, just plow on. The 2232 * user will get a more informative error message later 2233 * on. 2234 */ 2235 interval = 0; 2236 } 2237 } 2238 2239 /* 2240 * If the last argument is also an integer, then we have both a count 2241 * and an interval. 2242 */ 2243 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2244 char *end; 2245 2246 errno = 0; 2247 count = interval; 2248 interval = strtoul(argv[argc - 1], &end, 10); 2249 2250 if (*end == '\0' && errno == 0) { 2251 if (interval == 0) { 2252 (void) fprintf(stderr, gettext("interval " 2253 "cannot be zero\n")); 2254 usage(B_FALSE); 2255 } 2256 2257 /* 2258 * Ignore the last parameter 2259 */ 2260 argc--; 2261 } else { 2262 interval = 0; 2263 } 2264 } 2265 2266 *iv = interval; 2267 *cnt = count; 2268 *argcp = argc; 2269} 2270 2271static void 2272get_timestamp_arg(char c) 2273{ 2274 if (c == 'u') 2275 timestamp_fmt = UDATE; 2276 else if (c == 'd') 2277 timestamp_fmt = DDATE; 2278 else 2279 usage(B_FALSE); 2280} 2281 2282/* 2283 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2284 * 2285 * -v Display statistics for individual vdevs 2286 * -T Display a timestamp in date(1) or Unix format 2287 * 2288 * This command can be tricky because we want to be able to deal with pool 2289 * creation/destruction as well as vdev configuration changes. The bulk of this 2290 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2291 * on pool_list_update() to detect the addition of new pools. Configuration 2292 * changes are all handled within libzfs. 2293 */ 2294int 2295zpool_do_iostat(int argc, char **argv) 2296{ 2297 int c; 2298 int ret; 2299 int npools; 2300 unsigned long interval = 0, count = 0; 2301 zpool_list_t *list; 2302 boolean_t verbose = B_FALSE; 2303 iostat_cbdata_t cb; 2304 2305 /* check options */ 2306 while ((c = getopt(argc, argv, "T:v")) != -1) { 2307 switch (c) { 2308 case 'T': 2309 get_timestamp_arg(*optarg); 2310 break; 2311 case 'v': 2312 verbose = B_TRUE; 2313 break; 2314 case '?': 2315 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2316 optopt); 2317 usage(B_FALSE); 2318 } 2319 } 2320 2321 argc -= optind; 2322 argv += optind; 2323 2324 get_interval_count(&argc, argv, &interval, &count); 2325 2326 /* 2327 * Construct the list of all interesting pools. 2328 */ 2329 ret = 0; 2330 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2331 return (1); 2332 2333 if (pool_list_count(list) == 0 && argc != 0) { 2334 pool_list_free(list); 2335 return (1); 2336 } 2337 2338 if (pool_list_count(list) == 0 && interval == 0) { 2339 pool_list_free(list); 2340 (void) fprintf(stderr, gettext("no pools available\n")); 2341 return (1); 2342 } 2343 2344 /* 2345 * Enter the main iostat loop. 2346 */ 2347 cb.cb_list = list; 2348 cb.cb_verbose = verbose; 2349 cb.cb_iteration = 0; 2350 cb.cb_namewidth = 0; 2351 2352 for (;;) { 2353 pool_list_update(list); 2354 2355 if ((npools = pool_list_count(list)) == 0) 2356 break; 2357 2358 /* 2359 * Refresh all statistics. This is done as an explicit step 2360 * before calculating the maximum name width, so that any 2361 * configuration changes are properly accounted for. 2362 */ 2363 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2364 2365 /* 2366 * Iterate over all pools to determine the maximum width 2367 * for the pool / device name column across all pools. 2368 */ 2369 cb.cb_namewidth = 0; 2370 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2371 2372 if (timestamp_fmt != NODATE) 2373 print_timestamp(timestamp_fmt); 2374 2375 /* 2376 * If it's the first time, or verbose mode, print the header. 2377 */ 2378 if (++cb.cb_iteration == 1 || verbose) 2379 print_iostat_header(&cb); 2380 2381 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2382 2383 /* 2384 * If there's more than one pool, and we're not in verbose mode 2385 * (which prints a separator for us), then print a separator. 2386 */ 2387 if (npools > 1 && !verbose) 2388 print_iostat_separator(&cb); 2389 2390 if (verbose) 2391 (void) printf("\n"); 2392 2393 /* 2394 * Flush the output so that redirection to a file isn't buffered 2395 * indefinitely. 2396 */ 2397 (void) fflush(stdout); 2398 2399 if (interval == 0) 2400 break; 2401 2402 if (count != 0 && --count == 0) 2403 break; 2404 2405 (void) sleep(interval); 2406 } 2407 2408 pool_list_free(list); 2409 2410 return (ret); 2411} 2412 2413typedef struct list_cbdata { 2414 boolean_t cb_scripted; 2415 boolean_t cb_first; 2416 zprop_list_t *cb_proplist; 2417} list_cbdata_t; 2418 2419/* 2420 * Given a list of columns to display, output appropriate headers for each one. 2421 */ 2422static void 2423print_header(zprop_list_t *pl) 2424{ 2425 const char *header; 2426 boolean_t first = B_TRUE; 2427 boolean_t right_justify; 2428 2429 for (; pl != NULL; pl = pl->pl_next) { 2430 if (pl->pl_prop == ZPROP_INVAL) 2431 continue; 2432 2433 if (!first) 2434 (void) printf(" "); 2435 else 2436 first = B_FALSE; 2437 2438 header = zpool_prop_column_name(pl->pl_prop); 2439 right_justify = zpool_prop_align_right(pl->pl_prop); 2440 2441 if (pl->pl_next == NULL && !right_justify) 2442 (void) printf("%s", header); 2443 else if (right_justify) 2444 (void) printf("%*s", pl->pl_width, header); 2445 else 2446 (void) printf("%-*s", pl->pl_width, header); 2447 } 2448 2449 (void) printf("\n"); 2450} 2451 2452/* 2453 * Given a pool and a list of properties, print out all the properties according 2454 * to the described layout. 2455 */ 2456static void 2457print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2458{ 2459 boolean_t first = B_TRUE; 2460 char property[ZPOOL_MAXPROPLEN]; 2461 char *propstr; 2462 boolean_t right_justify; 2463 int width; 2464 2465 for (; pl != NULL; pl = pl->pl_next) { 2466 if (!first) { 2467 if (scripted) 2468 (void) printf("\t"); 2469 else 2470 (void) printf(" "); 2471 } else { 2472 first = B_FALSE; 2473 } 2474 2475 right_justify = B_FALSE; 2476 if (pl->pl_prop != ZPROP_INVAL) { 2477 if (zpool_get_prop(zhp, pl->pl_prop, property, 2478 sizeof (property), NULL) != 0) 2479 propstr = "-"; 2480 else 2481 propstr = property; 2482 2483 right_justify = zpool_prop_align_right(pl->pl_prop); 2484 } else { 2485 propstr = "-"; 2486 } 2487 2488 width = pl->pl_width; 2489 2490 /* 2491 * If this is being called in scripted mode, or if this is the 2492 * last column and it is left-justified, don't include a width 2493 * format specifier. 2494 */ 2495 if (scripted || (pl->pl_next == NULL && !right_justify)) 2496 (void) printf("%s", propstr); 2497 else if (right_justify) 2498 (void) printf("%*s", width, propstr); 2499 else 2500 (void) printf("%-*s", width, propstr); 2501 } 2502 2503 (void) printf("\n"); 2504} 2505 2506/* 2507 * Generic callback function to list a pool. 2508 */ 2509int 2510list_callback(zpool_handle_t *zhp, void *data) 2511{ 2512 list_cbdata_t *cbp = data; 2513 2514 if (cbp->cb_first) { 2515 if (!cbp->cb_scripted) 2516 print_header(cbp->cb_proplist); 2517 cbp->cb_first = B_FALSE; 2518 } 2519 2520 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2521 2522 return (0); 2523} 2524 2525/* 2526 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2527 * 2528 * -H Scripted mode. Don't display headers, and separate properties 2529 * by a single tab. 2530 * -o List of properties to display. Defaults to 2531 * "name,size,allocated,free,capacity,health,altroot" 2532 * -T Display a timestamp in date(1) or Unix format 2533 * 2534 * List all pools in the system, whether or not they're healthy. Output space 2535 * statistics for each one, as well as health status summary. 2536 */ 2537int 2538zpool_do_list(int argc, char **argv) 2539{ 2540 int c; 2541 int ret; 2542 list_cbdata_t cb = { 0 }; 2543 static char default_props[] = 2544 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2545 char *props = default_props; 2546 unsigned long interval = 0, count = 0; 2547 2548 /* check options */ 2549 while ((c = getopt(argc, argv, ":Ho:T:")) != -1) { 2550 switch (c) { 2551 case 'H': 2552 cb.cb_scripted = B_TRUE; 2553 break; 2554 case 'o': 2555 props = optarg; 2556 break; 2557 case 'T': 2558 get_timestamp_arg(*optarg); 2559 break; 2560 case ':': 2561 (void) fprintf(stderr, gettext("missing argument for " 2562 "'%c' option\n"), optopt); 2563 usage(B_FALSE); 2564 break; 2565 case '?': 2566 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2567 optopt); 2568 usage(B_FALSE); 2569 } 2570 } 2571 2572 argc -= optind; 2573 argv += optind; 2574 2575 get_interval_count(&argc, argv, &interval, &count); 2576 2577 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2578 usage(B_FALSE); 2579 2580 cb.cb_first = B_TRUE; 2581 2582 for (;;) { 2583 2584 if (timestamp_fmt != NODATE) 2585 print_timestamp(timestamp_fmt); 2586 2587 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2588 list_callback, &cb); 2589 2590 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2591 (void) printf(gettext("no pools available\n")); 2592 zprop_free_list(cb.cb_proplist); 2593 return (0); 2594 } 2595 2596 if (interval == 0) 2597 break; 2598 2599 if (count != 0 && --count == 0) 2600 break; 2601 2602 (void) sleep(interval); 2603 } 2604 2605 zprop_free_list(cb.cb_proplist); 2606 return (ret); 2607} 2608 2609static nvlist_t * 2610zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2611{ 2612 nvlist_t **child; 2613 uint_t c, children; 2614 nvlist_t *match; 2615 char *path; 2616 2617 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2618 &child, &children) != 0) { 2619 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2620 if (strncmp(name, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 2621 name += sizeof(_PATH_DEV) - 1; 2622 if (strncmp(path, _PATH_DEV, sizeof(_PATH_DEV) - 1) == 0) 2623 path += sizeof(_PATH_DEV) - 1; 2624 if (strcmp(name, path) == 0) 2625 return (nv); 2626 return (NULL); 2627 } 2628 2629 for (c = 0; c < children; c++) 2630 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2631 return (match); 2632 2633 return (NULL); 2634} 2635 2636static int 2637zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2638{ 2639 boolean_t force = B_FALSE; 2640 int c; 2641 nvlist_t *nvroot; 2642 char *poolname, *old_disk, *new_disk; 2643 zpool_handle_t *zhp; 2644 int ret; 2645 2646 /* check options */ 2647 while ((c = getopt(argc, argv, "f")) != -1) { 2648 switch (c) { 2649 case 'f': 2650 force = B_TRUE; 2651 break; 2652 case '?': 2653 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2654 optopt); 2655 usage(B_FALSE); 2656 } 2657 } 2658 2659 argc -= optind; 2660 argv += optind; 2661 2662 /* get pool name and check number of arguments */ 2663 if (argc < 1) { 2664 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2665 usage(B_FALSE); 2666 } 2667 2668 poolname = argv[0]; 2669 2670 if (argc < 2) { 2671 (void) fprintf(stderr, 2672 gettext("missing <device> specification\n")); 2673 usage(B_FALSE); 2674 } 2675 2676 old_disk = argv[1]; 2677 2678 if (argc < 3) { 2679 if (!replacing) { 2680 (void) fprintf(stderr, 2681 gettext("missing <new_device> specification\n")); 2682 usage(B_FALSE); 2683 } 2684 new_disk = old_disk; 2685 argc -= 1; 2686 argv += 1; 2687 } else { 2688 new_disk = argv[2]; 2689 argc -= 2; 2690 argv += 2; 2691 } 2692 2693 if (argc > 1) { 2694 (void) fprintf(stderr, gettext("too many arguments\n")); 2695 usage(B_FALSE); 2696 } 2697 2698 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2699 return (1); 2700 2701 if (zpool_get_config(zhp, NULL) == NULL) { 2702 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2703 poolname); 2704 zpool_close(zhp); 2705 return (1); 2706 } 2707 2708 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2709 argc, argv); 2710 if (nvroot == NULL) { 2711 zpool_close(zhp); 2712 return (1); 2713 } 2714 2715 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2716 2717 nvlist_free(nvroot); 2718 zpool_close(zhp); 2719 2720 return (ret); 2721} 2722 2723/* 2724 * zpool replace [-f] <pool> <device> <new_device> 2725 * 2726 * -f Force attach, even if <new_device> appears to be in use. 2727 * 2728 * Replace <device> with <new_device>. 2729 */ 2730/* ARGSUSED */ 2731int 2732zpool_do_replace(int argc, char **argv) 2733{ 2734 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2735} 2736 2737/* 2738 * zpool attach [-f] <pool> <device> <new_device> 2739 * 2740 * -f Force attach, even if <new_device> appears to be in use. 2741 * 2742 * Attach <new_device> to the mirror containing <device>. If <device> is not 2743 * part of a mirror, then <device> will be transformed into a mirror of 2744 * <device> and <new_device>. In either case, <new_device> will begin life 2745 * with a DTL of [0, now], and will immediately begin to resilver itself. 2746 */ 2747int 2748zpool_do_attach(int argc, char **argv) 2749{ 2750 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2751} 2752 2753/* 2754 * zpool detach [-f] <pool> <device> 2755 * 2756 * -f Force detach of <device>, even if DTLs argue against it 2757 * (not supported yet) 2758 * 2759 * Detach a device from a mirror. The operation will be refused if <device> 2760 * is the last device in the mirror, or if the DTLs indicate that this device 2761 * has the only valid copy of some data. 2762 */ 2763/* ARGSUSED */ 2764int 2765zpool_do_detach(int argc, char **argv) 2766{ 2767 int c; 2768 char *poolname, *path; 2769 zpool_handle_t *zhp; 2770 int ret; 2771 2772 /* check options */ 2773 while ((c = getopt(argc, argv, "f")) != -1) { 2774 switch (c) { 2775 case 'f': 2776 case '?': 2777 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2778 optopt); 2779 usage(B_FALSE); 2780 } 2781 } 2782 2783 argc -= optind; 2784 argv += optind; 2785 2786 /* get pool name and check number of arguments */ 2787 if (argc < 1) { 2788 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2789 usage(B_FALSE); 2790 } 2791 2792 if (argc < 2) { 2793 (void) fprintf(stderr, 2794 gettext("missing <device> specification\n")); 2795 usage(B_FALSE); 2796 } 2797 2798 poolname = argv[0]; 2799 path = argv[1]; 2800 2801 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2802 return (1); 2803 2804 ret = zpool_vdev_detach(zhp, path); 2805 2806 zpool_close(zhp); 2807 2808 return (ret); 2809} 2810 2811/* 2812 * zpool split [-n] [-o prop=val] ... 2813 * [-o mntopt] ... 2814 * [-R altroot] <pool> <newpool> [<device> ...] 2815 * 2816 * -n Do not split the pool, but display the resulting layout if 2817 * it were to be split. 2818 * -o Set property=value, or set mount options. 2819 * -R Mount the split-off pool under an alternate root. 2820 * 2821 * Splits the named pool and gives it the new pool name. Devices to be split 2822 * off may be listed, provided that no more than one device is specified 2823 * per top-level vdev mirror. The newly split pool is left in an exported 2824 * state unless -R is specified. 2825 * 2826 * Restrictions: the top-level of the pool pool must only be made up of 2827 * mirrors; all devices in the pool must be healthy; no device may be 2828 * undergoing a resilvering operation. 2829 */ 2830int 2831zpool_do_split(int argc, char **argv) 2832{ 2833 char *srcpool, *newpool, *propval; 2834 char *mntopts = NULL; 2835 splitflags_t flags; 2836 int c, ret = 0; 2837 zpool_handle_t *zhp; 2838 nvlist_t *config, *props = NULL; 2839 2840 flags.dryrun = B_FALSE; 2841 flags.import = B_FALSE; 2842 2843 /* check options */ 2844 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2845 switch (c) { 2846 case 'R': 2847 flags.import = B_TRUE; 2848 if (add_prop_list( 2849 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2850 &props, B_TRUE) != 0) { 2851 if (props) 2852 nvlist_free(props); 2853 usage(B_FALSE); 2854 } 2855 break; 2856 case 'n': 2857 flags.dryrun = B_TRUE; 2858 break; 2859 case 'o': 2860 if ((propval = strchr(optarg, '=')) != NULL) { 2861 *propval = '\0'; 2862 propval++; 2863 if (add_prop_list(optarg, propval, 2864 &props, B_TRUE) != 0) { 2865 if (props) 2866 nvlist_free(props); 2867 usage(B_FALSE); 2868 } 2869 } else { 2870 mntopts = optarg; 2871 } 2872 break; 2873 case ':': 2874 (void) fprintf(stderr, gettext("missing argument for " 2875 "'%c' option\n"), optopt); 2876 usage(B_FALSE); 2877 break; 2878 case '?': 2879 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2880 optopt); 2881 usage(B_FALSE); 2882 break; 2883 } 2884 } 2885 2886 if (!flags.import && mntopts != NULL) { 2887 (void) fprintf(stderr, gettext("setting mntopts is only " 2888 "valid when importing the pool\n")); 2889 usage(B_FALSE); 2890 } 2891 2892 argc -= optind; 2893 argv += optind; 2894 2895 if (argc < 1) { 2896 (void) fprintf(stderr, gettext("Missing pool name\n")); 2897 usage(B_FALSE); 2898 } 2899 if (argc < 2) { 2900 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2901 usage(B_FALSE); 2902 } 2903 2904 srcpool = argv[0]; 2905 newpool = argv[1]; 2906 2907 argc -= 2; 2908 argv += 2; 2909 2910 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2911 return (1); 2912 2913 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2914 if (config == NULL) { 2915 ret = 1; 2916 } else { 2917 if (flags.dryrun) { 2918 (void) printf(gettext("would create '%s' with the " 2919 "following layout:\n\n"), newpool); 2920 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2921 } 2922 nvlist_free(config); 2923 } 2924 2925 zpool_close(zhp); 2926 2927 if (ret != 0 || flags.dryrun || !flags.import) 2928 return (ret); 2929 2930 /* 2931 * The split was successful. Now we need to open the new 2932 * pool and import it. 2933 */ 2934 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2935 return (1); 2936 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2937 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2938 ret = 1; 2939 (void) fprintf(stderr, gettext("Split was succssful, but " 2940 "the datasets could not all be mounted\n")); 2941 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2942 "different altroot\n"), "zpool import"); 2943 } 2944 zpool_close(zhp); 2945 2946 return (ret); 2947} 2948 2949 2950 2951/* 2952 * zpool online <pool> <device> ... 2953 */ 2954int 2955zpool_do_online(int argc, char **argv) 2956{ 2957 int c, i; 2958 char *poolname; 2959 zpool_handle_t *zhp; 2960 int ret = 0; 2961 vdev_state_t newstate; 2962 int flags = 0; 2963 2964 /* check options */ 2965 while ((c = getopt(argc, argv, "et")) != -1) { 2966 switch (c) { 2967 case 'e': 2968 flags |= ZFS_ONLINE_EXPAND; 2969 break; 2970 case 't': 2971 case '?': 2972 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2973 optopt); 2974 usage(B_FALSE); 2975 } 2976 } 2977 2978 argc -= optind; 2979 argv += optind; 2980 2981 /* get pool name and check number of arguments */ 2982 if (argc < 1) { 2983 (void) fprintf(stderr, gettext("missing pool name\n")); 2984 usage(B_FALSE); 2985 } 2986 if (argc < 2) { 2987 (void) fprintf(stderr, gettext("missing device name\n")); 2988 usage(B_FALSE); 2989 } 2990 2991 poolname = argv[0]; 2992 2993 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2994 return (1); 2995 2996 for (i = 1; i < argc; i++) { 2997 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 2998 if (newstate != VDEV_STATE_HEALTHY) { 2999 (void) printf(gettext("warning: device '%s' " 3000 "onlined, but remains in faulted state\n"), 3001 argv[i]); 3002 if (newstate == VDEV_STATE_FAULTED) 3003 (void) printf(gettext("use 'zpool " 3004 "clear' to restore a faulted " 3005 "device\n")); 3006 else 3007 (void) printf(gettext("use 'zpool " 3008 "replace' to replace devices " 3009 "that are no longer present\n")); 3010 } 3011 } else { 3012 ret = 1; 3013 } 3014 } 3015 3016 zpool_close(zhp); 3017 3018 return (ret); 3019} 3020 3021/* 3022 * zpool offline [-ft] <pool> <device> ... 3023 * 3024 * -f Force the device into the offline state, even if doing 3025 * so would appear to compromise pool availability. 3026 * (not supported yet) 3027 * 3028 * -t Only take the device off-line temporarily. The offline 3029 * state will not be persistent across reboots. 3030 */ 3031/* ARGSUSED */ 3032int 3033zpool_do_offline(int argc, char **argv) 3034{ 3035 int c, i; 3036 char *poolname; 3037 zpool_handle_t *zhp; 3038 int ret = 0; 3039 boolean_t istmp = B_FALSE; 3040 3041 /* check options */ 3042 while ((c = getopt(argc, argv, "ft")) != -1) { 3043 switch (c) { 3044 case 't': 3045 istmp = B_TRUE; 3046 break; 3047 case 'f': 3048 case '?': 3049 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3050 optopt); 3051 usage(B_FALSE); 3052 } 3053 } 3054 3055 argc -= optind; 3056 argv += optind; 3057 3058 /* get pool name and check number of arguments */ 3059 if (argc < 1) { 3060 (void) fprintf(stderr, gettext("missing pool name\n")); 3061 usage(B_FALSE); 3062 } 3063 if (argc < 2) { 3064 (void) fprintf(stderr, gettext("missing device name\n")); 3065 usage(B_FALSE); 3066 } 3067 3068 poolname = argv[0]; 3069 3070 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3071 return (1); 3072 3073 for (i = 1; i < argc; i++) { 3074 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3075 ret = 1; 3076 } 3077 3078 zpool_close(zhp); 3079 3080 return (ret); 3081} 3082 3083/* 3084 * zpool clear <pool> [device] 3085 * 3086 * Clear all errors associated with a pool or a particular device. 3087 */ 3088int 3089zpool_do_clear(int argc, char **argv) 3090{ 3091 int c; 3092 int ret = 0; 3093 boolean_t dryrun = B_FALSE; 3094 boolean_t do_rewind = B_FALSE; 3095 boolean_t xtreme_rewind = B_FALSE; 3096 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3097 nvlist_t *policy = NULL; 3098 zpool_handle_t *zhp; 3099 char *pool, *device; 3100 3101 /* check options */ 3102 while ((c = getopt(argc, argv, "FnX")) != -1) { 3103 switch (c) { 3104 case 'F': 3105 do_rewind = B_TRUE; 3106 break; 3107 case 'n': 3108 dryrun = B_TRUE; 3109 break; 3110 case 'X': 3111 xtreme_rewind = B_TRUE; 3112 break; 3113 case '?': 3114 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3115 optopt); 3116 usage(B_FALSE); 3117 } 3118 } 3119 3120 argc -= optind; 3121 argv += optind; 3122 3123 if (argc < 1) { 3124 (void) fprintf(stderr, gettext("missing pool name\n")); 3125 usage(B_FALSE); 3126 } 3127 3128 if (argc > 2) { 3129 (void) fprintf(stderr, gettext("too many arguments\n")); 3130 usage(B_FALSE); 3131 } 3132 3133 if ((dryrun || xtreme_rewind) && !do_rewind) { 3134 (void) fprintf(stderr, 3135 gettext("-n or -X only meaningful with -F\n")); 3136 usage(B_FALSE); 3137 } 3138 if (dryrun) 3139 rewind_policy = ZPOOL_TRY_REWIND; 3140 else if (do_rewind) 3141 rewind_policy = ZPOOL_DO_REWIND; 3142 if (xtreme_rewind) 3143 rewind_policy |= ZPOOL_EXTREME_REWIND; 3144 3145 /* In future, further rewind policy choices can be passed along here */ 3146 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3147 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3148 return (1); 3149 3150 pool = argv[0]; 3151 device = argc == 2 ? argv[1] : NULL; 3152 3153 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3154 nvlist_free(policy); 3155 return (1); 3156 } 3157 3158 if (zpool_clear(zhp, device, policy) != 0) 3159 ret = 1; 3160 3161 zpool_close(zhp); 3162 3163 nvlist_free(policy); 3164 3165 return (ret); 3166} 3167 3168typedef struct scrub_cbdata { 3169 int cb_type; 3170 int cb_argc; 3171 char **cb_argv; 3172} scrub_cbdata_t; 3173 3174int 3175scrub_callback(zpool_handle_t *zhp, void *data) 3176{ 3177 scrub_cbdata_t *cb = data; 3178 int err; 3179 3180 /* 3181 * Ignore faulted pools. 3182 */ 3183 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3184 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3185 "currently unavailable\n"), zpool_get_name(zhp)); 3186 return (1); 3187 } 3188 3189 err = zpool_scan(zhp, cb->cb_type); 3190 3191 return (err != 0); 3192} 3193 3194/* 3195 * zpool scrub [-s] <pool> ... 3196 * 3197 * -s Stop. Stops any in-progress scrub. 3198 */ 3199int 3200zpool_do_scrub(int argc, char **argv) 3201{ 3202 int c; 3203 scrub_cbdata_t cb; 3204 3205 cb.cb_type = POOL_SCAN_SCRUB; 3206 3207 /* check options */ 3208 while ((c = getopt(argc, argv, "s")) != -1) { 3209 switch (c) { 3210 case 's': 3211 cb.cb_type = POOL_SCAN_NONE; 3212 break; 3213 case '?': 3214 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3215 optopt); 3216 usage(B_FALSE); 3217 } 3218 } 3219 3220 cb.cb_argc = argc; 3221 cb.cb_argv = argv; 3222 argc -= optind; 3223 argv += optind; 3224 3225 if (argc < 1) { 3226 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3227 usage(B_FALSE); 3228 } 3229 3230 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3231} 3232 3233typedef struct status_cbdata { 3234 int cb_count; 3235 boolean_t cb_allpools; 3236 boolean_t cb_verbose; 3237 boolean_t cb_explain; 3238 boolean_t cb_first; 3239 boolean_t cb_dedup_stats; 3240} status_cbdata_t; 3241 3242/* 3243 * Print out detailed scrub status. 3244 */ 3245void 3246print_scan_status(pool_scan_stat_t *ps) 3247{ 3248 time_t start, end; 3249 uint64_t elapsed, mins_left, hours_left; 3250 uint64_t pass_exam, examined, total; 3251 uint_t rate; 3252 double fraction_done; 3253 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3254 3255 (void) printf(gettext(" scan: ")); 3256 3257 /* If there's never been a scan, there's not much to say. */ 3258 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3259 ps->pss_func >= POOL_SCAN_FUNCS) { 3260 (void) printf(gettext("none requested\n")); 3261 return; 3262 } 3263 3264 start = ps->pss_start_time; 3265 end = ps->pss_end_time; 3266 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3267 3268 assert(ps->pss_func == POOL_SCAN_SCRUB || 3269 ps->pss_func == POOL_SCAN_RESILVER); 3270 /* 3271 * Scan is finished or canceled. 3272 */ 3273 if (ps->pss_state == DSS_FINISHED) { 3274 uint64_t minutes_taken = (end - start) / 60; 3275 char *fmt; 3276 3277 if (ps->pss_func == POOL_SCAN_SCRUB) { 3278 fmt = gettext("scrub repaired %s in %lluh%um with " 3279 "%llu errors on %s"); 3280 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3281 fmt = gettext("resilvered %s in %lluh%um with " 3282 "%llu errors on %s"); 3283 } 3284 /* LINTED */ 3285 (void) printf(fmt, processed_buf, 3286 (u_longlong_t)(minutes_taken / 60), 3287 (uint_t)(minutes_taken % 60), 3288 (u_longlong_t)ps->pss_errors, 3289 ctime((time_t *)&end)); 3290 return; 3291 } else if (ps->pss_state == DSS_CANCELED) { 3292 if (ps->pss_func == POOL_SCAN_SCRUB) { 3293 (void) printf(gettext("scrub canceled on %s"), 3294 ctime(&end)); 3295 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3296 (void) printf(gettext("resilver canceled on %s"), 3297 ctime(&end)); 3298 } 3299 return; 3300 } 3301 3302 assert(ps->pss_state == DSS_SCANNING); 3303 3304 /* 3305 * Scan is in progress. 3306 */ 3307 if (ps->pss_func == POOL_SCAN_SCRUB) { 3308 (void) printf(gettext("scrub in progress since %s"), 3309 ctime(&start)); 3310 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3311 (void) printf(gettext("resilver in progress since %s"), 3312 ctime(&start)); 3313 } 3314 3315 examined = ps->pss_examined ? ps->pss_examined : 1; 3316 total = ps->pss_to_examine; 3317 fraction_done = (double)examined / total; 3318 3319 /* elapsed time for this pass */ 3320 elapsed = time(NULL) - ps->pss_pass_start; 3321 elapsed = elapsed ? elapsed : 1; 3322 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3323 rate = pass_exam / elapsed; 3324 rate = rate ? rate : 1; 3325 mins_left = ((total - examined) / rate) / 60; 3326 hours_left = mins_left / 60; 3327 3328 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3329 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3330 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3331 3332 /* 3333 * do not print estimated time if hours_left is more than 30 days 3334 */ 3335 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3336 examined_buf, total_buf, rate_buf); 3337 if (hours_left < (30 * 24)) { 3338 (void) printf(gettext(", %lluh%um to go\n"), 3339 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3340 } else { 3341 (void) printf(gettext( 3342 ", (scan is slow, no estimated time)\n")); 3343 } 3344 3345 if (ps->pss_func == POOL_SCAN_RESILVER) { 3346 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3347 processed_buf, 100 * fraction_done); 3348 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3349 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3350 processed_buf, 100 * fraction_done); 3351 } 3352} 3353 3354static void 3355print_error_log(zpool_handle_t *zhp) 3356{ 3357 nvlist_t *nverrlist = NULL; 3358 nvpair_t *elem; 3359 char *pathname; 3360 size_t len = MAXPATHLEN * 2; 3361 3362 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3363 (void) printf("errors: List of errors unavailable " 3364 "(insufficient privileges)\n"); 3365 return; 3366 } 3367 3368 (void) printf("errors: Permanent errors have been " 3369 "detected in the following files:\n\n"); 3370 3371 pathname = safe_malloc(len); 3372 elem = NULL; 3373 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3374 nvlist_t *nv; 3375 uint64_t dsobj, obj; 3376 3377 verify(nvpair_value_nvlist(elem, &nv) == 0); 3378 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3379 &dsobj) == 0); 3380 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3381 &obj) == 0); 3382 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3383 (void) printf("%7s %s\n", "", pathname); 3384 } 3385 free(pathname); 3386 nvlist_free(nverrlist); 3387} 3388 3389static void 3390print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3391 int namewidth) 3392{ 3393 uint_t i; 3394 char *name; 3395 3396 if (nspares == 0) 3397 return; 3398 3399 (void) printf(gettext("\tspares\n")); 3400 3401 for (i = 0; i < nspares; i++) { 3402 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3403 print_status_config(zhp, name, spares[i], 3404 namewidth, 2, B_TRUE); 3405 free(name); 3406 } 3407} 3408 3409static void 3410print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3411 int namewidth) 3412{ 3413 uint_t i; 3414 char *name; 3415 3416 if (nl2cache == 0) 3417 return; 3418 3419 (void) printf(gettext("\tcache\n")); 3420 3421 for (i = 0; i < nl2cache; i++) { 3422 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3423 print_status_config(zhp, name, l2cache[i], 3424 namewidth, 2, B_FALSE); 3425 free(name); 3426 } 3427} 3428 3429static void 3430print_dedup_stats(nvlist_t *config) 3431{ 3432 ddt_histogram_t *ddh; 3433 ddt_stat_t *dds; 3434 ddt_object_t *ddo; 3435 uint_t c; 3436 3437 /* 3438 * If the pool was faulted then we may not have been able to 3439 * obtain the config. Otherwise, if have anything in the dedup 3440 * table continue processing the stats. 3441 */ 3442 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3443 (uint64_t **)&ddo, &c) != 0 || ddo->ddo_count == 0) 3444 return; 3445 3446 (void) printf("\n"); 3447 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3448 (u_longlong_t)ddo->ddo_count, 3449 (u_longlong_t)ddo->ddo_dspace, 3450 (u_longlong_t)ddo->ddo_mspace); 3451 3452 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3453 (uint64_t **)&dds, &c) == 0); 3454 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3455 (uint64_t **)&ddh, &c) == 0); 3456 zpool_dump_ddt(dds, ddh); 3457} 3458 3459/* 3460 * Display a summary of pool status. Displays a summary such as: 3461 * 3462 * pool: tank 3463 * status: DEGRADED 3464 * reason: One or more devices ... 3465 * see: http://www.sun.com/msg/ZFS-xxxx-01 3466 * config: 3467 * mirror DEGRADED 3468 * c1t0d0 OK 3469 * c2t0d0 UNAVAIL 3470 * 3471 * When given the '-v' option, we print out the complete config. If the '-e' 3472 * option is specified, then we print out error rate information as well. 3473 */ 3474int 3475status_callback(zpool_handle_t *zhp, void *data) 3476{ 3477 status_cbdata_t *cbp = data; 3478 nvlist_t *config, *nvroot; 3479 char *msgid; 3480 int reason; 3481 const char *health; 3482 uint_t c; 3483 vdev_stat_t *vs; 3484 3485 config = zpool_get_config(zhp, NULL); 3486 reason = zpool_get_status(zhp, &msgid); 3487 3488 cbp->cb_count++; 3489 3490 /* 3491 * If we were given 'zpool status -x', only report those pools with 3492 * problems. 3493 */ 3494 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3495 if (!cbp->cb_allpools) { 3496 (void) printf(gettext("pool '%s' is healthy\n"), 3497 zpool_get_name(zhp)); 3498 if (cbp->cb_first) 3499 cbp->cb_first = B_FALSE; 3500 } 3501 return (0); 3502 } 3503 3504 if (cbp->cb_first) 3505 cbp->cb_first = B_FALSE; 3506 else 3507 (void) printf("\n"); 3508 3509 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3510 &nvroot) == 0); 3511 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 3512 (uint64_t **)&vs, &c) == 0); 3513 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3514 3515 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3516 (void) printf(gettext(" state: %s\n"), health); 3517 3518 switch (reason) { 3519 case ZPOOL_STATUS_MISSING_DEV_R: 3520 (void) printf(gettext("status: One or more devices could not " 3521 "be opened. Sufficient replicas exist for\n\tthe pool to " 3522 "continue functioning in a degraded state.\n")); 3523 (void) printf(gettext("action: Attach the missing device and " 3524 "online it using 'zpool online'.\n")); 3525 break; 3526 3527 case ZPOOL_STATUS_MISSING_DEV_NR: 3528 (void) printf(gettext("status: One or more devices could not " 3529 "be opened. There are insufficient\n\treplicas for the " 3530 "pool to continue functioning.\n")); 3531 (void) printf(gettext("action: Attach the missing device and " 3532 "online it using 'zpool online'.\n")); 3533 break; 3534 3535 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3536 (void) printf(gettext("status: One or more devices could not " 3537 "be used because the label is missing or\n\tinvalid. " 3538 "Sufficient replicas exist for the pool to continue\n\t" 3539 "functioning in a degraded state.\n")); 3540 (void) printf(gettext("action: Replace the device using " 3541 "'zpool replace'.\n")); 3542 break; 3543 3544 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3545 (void) printf(gettext("status: One or more devices could not " 3546 "be used because the label is missing \n\tor invalid. " 3547 "There are insufficient replicas for the pool to " 3548 "continue\n\tfunctioning.\n")); 3549 zpool_explain_recover(zpool_get_handle(zhp), 3550 zpool_get_name(zhp), reason, config); 3551 break; 3552 3553 case ZPOOL_STATUS_FAILING_DEV: 3554 (void) printf(gettext("status: One or more devices has " 3555 "experienced an unrecoverable error. An\n\tattempt was " 3556 "made to correct the error. Applications are " 3557 "unaffected.\n")); 3558 (void) printf(gettext("action: Determine if the device needs " 3559 "to be replaced, and clear the errors\n\tusing " 3560 "'zpool clear' or replace the device with 'zpool " 3561 "replace'.\n")); 3562 break; 3563 3564 case ZPOOL_STATUS_OFFLINE_DEV: 3565 (void) printf(gettext("status: One or more devices has " 3566 "been taken offline by the administrator.\n\tSufficient " 3567 "replicas exist for the pool to continue functioning in " 3568 "a\n\tdegraded state.\n")); 3569 (void) printf(gettext("action: Online the device using " 3570 "'zpool online' or replace the device with\n\t'zpool " 3571 "replace'.\n")); 3572 break; 3573 3574 case ZPOOL_STATUS_REMOVED_DEV: 3575 (void) printf(gettext("status: One or more devices has " 3576 "been removed by the administrator.\n\tSufficient " 3577 "replicas exist for the pool to continue functioning in " 3578 "a\n\tdegraded state.\n")); 3579 (void) printf(gettext("action: Online the device using " 3580 "'zpool online' or replace the device with\n\t'zpool " 3581 "replace'.\n")); 3582 break; 3583 3584 case ZPOOL_STATUS_RESILVERING: 3585 (void) printf(gettext("status: One or more devices is " 3586 "currently being resilvered. The pool will\n\tcontinue " 3587 "to function, possibly in a degraded state.\n")); 3588 (void) printf(gettext("action: Wait for the resilver to " 3589 "complete.\n")); 3590 break; 3591 3592 case ZPOOL_STATUS_CORRUPT_DATA: 3593 (void) printf(gettext("status: One or more devices has " 3594 "experienced an error resulting in data\n\tcorruption. " 3595 "Applications may be affected.\n")); 3596 (void) printf(gettext("action: Restore the file in question " 3597 "if possible. Otherwise restore the\n\tentire pool from " 3598 "backup.\n")); 3599 break; 3600 3601 case ZPOOL_STATUS_CORRUPT_POOL: 3602 (void) printf(gettext("status: The pool metadata is corrupted " 3603 "and the pool cannot be opened.\n")); 3604 zpool_explain_recover(zpool_get_handle(zhp), 3605 zpool_get_name(zhp), reason, config); 3606 break; 3607 3608 case ZPOOL_STATUS_VERSION_OLDER: 3609 (void) printf(gettext("status: The pool is formatted using an " 3610 "older on-disk format. The pool can\n\tstill be used, but " 3611 "some features are unavailable.\n")); 3612 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3613 "upgrade'. Once this is done, the\n\tpool will no longer " 3614 "be accessible on older software versions.\n")); 3615 break; 3616 3617 case ZPOOL_STATUS_VERSION_NEWER: 3618 (void) printf(gettext("status: The pool has been upgraded to a " 3619 "newer, incompatible on-disk version.\n\tThe pool cannot " 3620 "be accessed on this system.\n")); 3621 (void) printf(gettext("action: Access the pool from a system " 3622 "running more recent software, or\n\trestore the pool from " 3623 "backup.\n")); 3624 break; 3625 3626 case ZPOOL_STATUS_FAULTED_DEV_R: 3627 (void) printf(gettext("status: One or more devices are " 3628 "faulted in response to persistent errors.\n\tSufficient " 3629 "replicas exist for the pool to continue functioning " 3630 "in a\n\tdegraded state.\n")); 3631 (void) printf(gettext("action: Replace the faulted device, " 3632 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3633 break; 3634 3635 case ZPOOL_STATUS_FAULTED_DEV_NR: 3636 (void) printf(gettext("status: One or more devices are " 3637 "faulted in response to persistent errors. There are " 3638 "insufficient replicas for the pool to\n\tcontinue " 3639 "functioning.\n")); 3640 (void) printf(gettext("action: Destroy and re-create the pool " 3641 "from a backup source. Manually marking the device\n" 3642 "\trepaired using 'zpool clear' may allow some data " 3643 "to be recovered.\n")); 3644 break; 3645 3646 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3647 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3648 (void) printf(gettext("status: One or more devices are " 3649 "faulted in response to IO failures.\n")); 3650 (void) printf(gettext("action: Make sure the affected devices " 3651 "are connected, then run 'zpool clear'.\n")); 3652 break; 3653 3654 case ZPOOL_STATUS_BAD_LOG: 3655 (void) printf(gettext("status: An intent log record " 3656 "could not be read.\n" 3657 "\tWaiting for adminstrator intervention to fix the " 3658 "faulted pool.\n")); 3659 (void) printf(gettext("action: Either restore the affected " 3660 "device(s) and run 'zpool online',\n" 3661 "\tor ignore the intent log records by running " 3662 "'zpool clear'.\n")); 3663 break; 3664 3665 default: 3666 /* 3667 * The remaining errors can't actually be generated, yet. 3668 */ 3669 assert(reason == ZPOOL_STATUS_OK); 3670 } 3671 3672 if (msgid != NULL) 3673 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3674 msgid); 3675 3676 if (config != NULL) { 3677 int namewidth; 3678 uint64_t nerr; 3679 nvlist_t **spares, **l2cache; 3680 uint_t nspares, nl2cache; 3681 pool_scan_stat_t *ps = NULL; 3682 3683 (void) nvlist_lookup_uint64_array(nvroot, 3684 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 3685 print_scan_status(ps); 3686 3687 namewidth = max_width(zhp, nvroot, 0, 0); 3688 if (namewidth < 10) 3689 namewidth = 10; 3690 3691 (void) printf(gettext("config:\n\n")); 3692 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3693 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3694 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3695 namewidth, 0, B_FALSE); 3696 3697 if (num_logs(nvroot) > 0) 3698 print_logs(zhp, nvroot, namewidth, B_TRUE); 3699 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3700 &l2cache, &nl2cache) == 0) 3701 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3702 3703 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3704 &spares, &nspares) == 0) 3705 print_spares(zhp, spares, nspares, namewidth); 3706 3707 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3708 &nerr) == 0) { 3709 nvlist_t *nverrlist = NULL; 3710 3711 /* 3712 * If the approximate error count is small, get a 3713 * precise count by fetching the entire log and 3714 * uniquifying the results. 3715 */ 3716 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3717 zpool_get_errlog(zhp, &nverrlist) == 0) { 3718 nvpair_t *elem; 3719 3720 elem = NULL; 3721 nerr = 0; 3722 while ((elem = nvlist_next_nvpair(nverrlist, 3723 elem)) != NULL) { 3724 nerr++; 3725 } 3726 } 3727 nvlist_free(nverrlist); 3728 3729 (void) printf("\n"); 3730 3731 if (nerr == 0) 3732 (void) printf(gettext("errors: No known data " 3733 "errors\n")); 3734 else if (!cbp->cb_verbose) 3735 (void) printf(gettext("errors: %llu data " 3736 "errors, use '-v' for a list\n"), 3737 (u_longlong_t)nerr); 3738 else 3739 print_error_log(zhp); 3740 } 3741 3742 if (cbp->cb_dedup_stats) 3743 print_dedup_stats(config); 3744 } else { 3745 (void) printf(gettext("config: The configuration cannot be " 3746 "determined.\n")); 3747 } 3748 3749 return (0); 3750} 3751 3752/* 3753 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 3754 * 3755 * -v Display complete error logs 3756 * -x Display only pools with potential problems 3757 * -D Display dedup status (undocumented) 3758 * -T Display a timestamp in date(1) or Unix format 3759 * 3760 * Describes the health status of all pools or some subset. 3761 */ 3762int 3763zpool_do_status(int argc, char **argv) 3764{ 3765 int c; 3766 int ret; 3767 unsigned long interval = 0, count = 0; 3768 status_cbdata_t cb = { 0 }; 3769 3770 /* check options */ 3771 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 3772 switch (c) { 3773 case 'v': 3774 cb.cb_verbose = B_TRUE; 3775 break; 3776 case 'x': 3777 cb.cb_explain = B_TRUE; 3778 break; 3779 case 'D': 3780 cb.cb_dedup_stats = B_TRUE; 3781 break; 3782 case 'T': 3783 get_timestamp_arg(*optarg); 3784 break; 3785 case '?': 3786 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3787 optopt); 3788 usage(B_FALSE); 3789 } 3790 } 3791 3792 argc -= optind; 3793 argv += optind; 3794 3795 get_interval_count(&argc, argv, &interval, &count); 3796 3797 if (argc == 0) 3798 cb.cb_allpools = B_TRUE; 3799 3800 cb.cb_first = B_TRUE; 3801 3802 for (;;) { 3803 if (timestamp_fmt != NODATE) 3804 print_timestamp(timestamp_fmt); 3805 3806 ret = for_each_pool(argc, argv, B_TRUE, NULL, 3807 status_callback, &cb); 3808 3809 if (argc == 0 && cb.cb_count == 0) 3810 (void) printf(gettext("no pools available\n")); 3811 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3812 (void) printf(gettext("all pools are healthy\n")); 3813 3814 if (ret != 0) 3815 return (ret); 3816 3817 if (interval == 0) 3818 break; 3819 3820 if (count != 0 && --count == 0) 3821 break; 3822 3823 (void) sleep(interval); 3824 } 3825 3826 return (0); 3827} 3828 3829typedef struct upgrade_cbdata { 3830 int cb_all; 3831 int cb_first; 3832 int cb_newer; 3833 char cb_poolname[ZPOOL_MAXNAMELEN]; 3834 int cb_argc; 3835 uint64_t cb_version; 3836 char **cb_argv; 3837} upgrade_cbdata_t; 3838 3839static int 3840is_root_pool(zpool_handle_t *zhp) 3841{ 3842 static struct statfs sfs; 3843 static char *poolname = NULL; 3844 static boolean_t stated = B_FALSE; 3845 char *slash; 3846 3847 if (!stated) { 3848 stated = B_TRUE; 3849 if (statfs("/", &sfs) == -1) { 3850 (void) fprintf(stderr, 3851 "Unable to stat root file system: %s.\n", 3852 strerror(errno)); 3853 return (0); 3854 } 3855 if (strcmp(sfs.f_fstypename, "zfs") != 0) 3856 return (0); 3857 poolname = sfs.f_mntfromname; 3858 if ((slash = strchr(poolname, '/')) != NULL) 3859 *slash = '\0'; 3860 } 3861 return (poolname != NULL && strcmp(poolname, zpool_get_name(zhp)) == 0); 3862} 3863 3864static int 3865upgrade_cb(zpool_handle_t *zhp, void *arg) 3866{ 3867 upgrade_cbdata_t *cbp = arg; 3868 nvlist_t *config; 3869 uint64_t version; 3870 int ret = 0; 3871 3872 config = zpool_get_config(zhp, NULL); 3873 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3874 &version) == 0); 3875 3876 if (!cbp->cb_newer && version < SPA_VERSION) { 3877 if (!cbp->cb_all) { 3878 if (cbp->cb_first) { 3879 (void) printf(gettext("The following pools are " 3880 "out of date, and can be upgraded. After " 3881 "being\nupgraded, these pools will no " 3882 "longer be accessible by older software " 3883 "versions.\n\n")); 3884 (void) printf(gettext("VER POOL\n")); 3885 (void) printf(gettext("--- ------------\n")); 3886 cbp->cb_first = B_FALSE; 3887 } 3888 3889 (void) printf("%2llu %s\n", (u_longlong_t)version, 3890 zpool_get_name(zhp)); 3891 } else { 3892 cbp->cb_first = B_FALSE; 3893 ret = zpool_upgrade(zhp, cbp->cb_version); 3894 if (!ret) { 3895 (void) printf(gettext("Successfully upgraded " 3896 "'%s'\n\n"), zpool_get_name(zhp)); 3897 if (cbp->cb_poolname[0] == '\0' && 3898 is_root_pool(zhp)) { 3899 (void) strlcpy(cbp->cb_poolname, 3900 zpool_get_name(zhp), 3901 sizeof(cbp->cb_poolname)); 3902 } 3903 } 3904 } 3905 } else if (cbp->cb_newer && version > SPA_VERSION) { 3906 assert(!cbp->cb_all); 3907 3908 if (cbp->cb_first) { 3909 (void) printf(gettext("The following pools are " 3910 "formatted using a newer software version and\n" 3911 "cannot be accessed on the current system.\n\n")); 3912 (void) printf(gettext("VER POOL\n")); 3913 (void) printf(gettext("--- ------------\n")); 3914 cbp->cb_first = B_FALSE; 3915 } 3916 3917 (void) printf("%2llu %s\n", (u_longlong_t)version, 3918 zpool_get_name(zhp)); 3919 } 3920 3921 zpool_close(zhp); 3922 return (ret); 3923} 3924 3925/* ARGSUSED */ 3926static int 3927upgrade_one(zpool_handle_t *zhp, void *data) 3928{ 3929 upgrade_cbdata_t *cbp = data; 3930 uint64_t cur_version; 3931 int ret; 3932 3933 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3934 (void) printf(gettext("'log' is now a reserved word\n" 3935 "Pool 'log' must be renamed using export and import" 3936 " to upgrade.\n")); 3937 return (1); 3938 } 3939 3940 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 3941 if (cur_version > cbp->cb_version) { 3942 (void) printf(gettext("Pool '%s' is already formatted " 3943 "using more current version '%llu'.\n"), 3944 zpool_get_name(zhp), cur_version); 3945 return (0); 3946 } 3947 if (cur_version == cbp->cb_version) { 3948 (void) printf(gettext("Pool '%s' is already formatted " 3949 "using the current version.\n"), zpool_get_name(zhp)); 3950 return (0); 3951 } 3952 3953 ret = zpool_upgrade(zhp, cbp->cb_version); 3954 3955 if (!ret) { 3956 (void) printf(gettext("Successfully upgraded '%s' " 3957 "from version %llu to version %llu\n\n"), 3958 zpool_get_name(zhp), (u_longlong_t)cur_version, 3959 (u_longlong_t)cbp->cb_version); 3960 if (cbp->cb_poolname[0] == '\0' && is_root_pool(zhp)) { 3961 (void) strlcpy(cbp->cb_poolname, zpool_get_name(zhp), 3962 sizeof(cbp->cb_poolname)); 3963 } 3964 } 3965 3966 return (ret != 0); 3967} 3968 3969/* 3970 * zpool upgrade 3971 * zpool upgrade -v 3972 * zpool upgrade [-V version] <-a | pool ...> 3973 * 3974 * With no arguments, display downrev'd ZFS pool available for upgrade. 3975 * Individual pools can be upgraded by specifying the pool, and '-a' will 3976 * upgrade all pools. 3977 */ 3978int 3979zpool_do_upgrade(int argc, char **argv) 3980{ 3981 int c; 3982 upgrade_cbdata_t cb = { 0 }; 3983 int ret = 0; 3984 boolean_t showversions = B_FALSE; 3985 char *end; 3986 3987 3988 /* check options */ 3989 while ((c = getopt(argc, argv, ":avV:")) != -1) { 3990 switch (c) { 3991 case 'a': 3992 cb.cb_all = B_TRUE; 3993 break; 3994 case 'v': 3995 showversions = B_TRUE; 3996 break; 3997 case 'V': 3998 cb.cb_version = strtoll(optarg, &end, 10); 3999 if (*end != '\0' || cb.cb_version > SPA_VERSION || 4000 cb.cb_version < SPA_VERSION_1) { 4001 (void) fprintf(stderr, 4002 gettext("invalid version '%s'\n"), optarg); 4003 usage(B_FALSE); 4004 } 4005 break; 4006 case ':': 4007 (void) fprintf(stderr, gettext("missing argument for " 4008 "'%c' option\n"), optopt); 4009 usage(B_FALSE); 4010 break; 4011 case '?': 4012 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4013 optopt); 4014 usage(B_FALSE); 4015 } 4016 } 4017 4018 cb.cb_argc = argc; 4019 cb.cb_argv = argv; 4020 argc -= optind; 4021 argv += optind; 4022 4023 if (cb.cb_version == 0) { 4024 cb.cb_version = SPA_VERSION; 4025 } else if (!cb.cb_all && argc == 0) { 4026 (void) fprintf(stderr, gettext("-V option is " 4027 "incompatible with other arguments\n")); 4028 usage(B_FALSE); 4029 } 4030 4031 if (showversions) { 4032 if (cb.cb_all || argc != 0) { 4033 (void) fprintf(stderr, gettext("-v option is " 4034 "incompatible with other arguments\n")); 4035 usage(B_FALSE); 4036 } 4037 } else if (cb.cb_all) { 4038 if (argc != 0) { 4039 (void) fprintf(stderr, gettext("-a option should not " 4040 "be used along with a pool name\n")); 4041 usage(B_FALSE); 4042 } 4043 } 4044 4045 (void) printf(gettext("This system is currently running " 4046 "ZFS pool version %llu.\n\n"), SPA_VERSION); 4047 cb.cb_first = B_TRUE; 4048 if (showversions) { 4049 (void) printf(gettext("The following versions are " 4050 "supported:\n\n")); 4051 (void) printf(gettext("VER DESCRIPTION\n")); 4052 (void) printf("--- -----------------------------------------" 4053 "---------------\n"); 4054 (void) printf(gettext(" 1 Initial ZFS version\n")); 4055 (void) printf(gettext(" 2 Ditto blocks " 4056 "(replicated metadata)\n")); 4057 (void) printf(gettext(" 3 Hot spares and double parity " 4058 "RAID-Z\n")); 4059 (void) printf(gettext(" 4 zpool history\n")); 4060 (void) printf(gettext(" 5 Compression using the gzip " 4061 "algorithm\n")); 4062 (void) printf(gettext(" 6 bootfs pool property\n")); 4063 (void) printf(gettext(" 7 Separate intent log devices\n")); 4064 (void) printf(gettext(" 8 Delegated administration\n")); 4065 (void) printf(gettext(" 9 refquota and refreservation " 4066 "properties\n")); 4067 (void) printf(gettext(" 10 Cache devices\n")); 4068 (void) printf(gettext(" 11 Improved scrub performance\n")); 4069 (void) printf(gettext(" 12 Snapshot properties\n")); 4070 (void) printf(gettext(" 13 snapused property\n")); 4071 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4072 (void) printf(gettext(" 15 user/group space accounting\n")); 4073 (void) printf(gettext(" 16 stmf property support\n")); 4074 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4075 (void) printf(gettext(" 18 Snapshot user holds\n")); 4076 (void) printf(gettext(" 19 Log device removal\n")); 4077 (void) printf(gettext(" 20 Compression using zle " 4078 "(zero-length encoding)\n")); 4079 (void) printf(gettext(" 21 Deduplication\n")); 4080 (void) printf(gettext(" 22 Received properties\n")); 4081 (void) printf(gettext(" 23 Slim ZIL\n")); 4082 (void) printf(gettext(" 24 System attributes\n")); 4083 (void) printf(gettext(" 25 Improved scrub stats\n")); 4084 (void) printf(gettext(" 26 Improved snapshot deletion " 4085 "performance\n")); 4086 (void) printf(gettext(" 27 Improved snapshot creation " 4087 "performance\n")); 4088 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4089 (void) printf(gettext("\nFor more information on a particular " 4090 "version, including supported releases,\n")); 4091 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4092 } else if (argc == 0) { 4093 int notfound; 4094 4095 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4096 notfound = cb.cb_first; 4097 4098 if (!cb.cb_all && ret == 0) { 4099 if (!cb.cb_first) 4100 (void) printf("\n"); 4101 cb.cb_first = B_TRUE; 4102 cb.cb_newer = B_TRUE; 4103 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4104 if (!cb.cb_first) { 4105 notfound = B_FALSE; 4106 (void) printf("\n"); 4107 } 4108 } 4109 4110 if (ret == 0) { 4111 if (notfound) 4112 (void) printf(gettext("All pools are formatted " 4113 "using this version.\n")); 4114 else if (!cb.cb_all) 4115 (void) printf(gettext("Use 'zpool upgrade -v' " 4116 "for a list of available versions and " 4117 "their associated\nfeatures.\n")); 4118 } 4119 } else { 4120 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4121 upgrade_one, &cb); 4122 } 4123 4124 if (cb.cb_poolname[0] != '\0') { 4125 (void) printf( 4126 "If you boot from pool '%s', don't forget to update boot code.\n" 4127 "Assuming you use GPT partitioning and da0 is your boot disk\n" 4128 "the following command will do it:\n" 4129 "\n" 4130 "\tgpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0\n\n", 4131 cb.cb_poolname); 4132 } 4133 4134 return (ret); 4135} 4136 4137typedef struct hist_cbdata { 4138 boolean_t first; 4139 int longfmt; 4140 int internal; 4141} hist_cbdata_t; 4142 4143/* 4144 * Print out the command history for a specific pool. 4145 */ 4146static int 4147get_history_one(zpool_handle_t *zhp, void *data) 4148{ 4149 nvlist_t *nvhis; 4150 nvlist_t **records; 4151 uint_t numrecords; 4152 char *cmdstr; 4153 char *pathstr; 4154 uint64_t dst_time; 4155 time_t tsec; 4156 struct tm t; 4157 char tbuf[30]; 4158 int ret, i; 4159 uint64_t who; 4160 struct passwd *pwd; 4161 char *hostname; 4162 char *zonename; 4163 char internalstr[MAXPATHLEN]; 4164 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4165 uint64_t txg; 4166 uint64_t ievent; 4167 4168 cb->first = B_FALSE; 4169 4170 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4171 4172 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4173 return (ret); 4174 4175 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4176 &records, &numrecords) == 0); 4177 for (i = 0; i < numrecords; i++) { 4178 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 4179 &dst_time) != 0) 4180 continue; 4181 4182 /* is it an internal event or a standard event? */ 4183 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 4184 &cmdstr) != 0) { 4185 if (cb->internal == 0) 4186 continue; 4187 4188 if (nvlist_lookup_uint64(records[i], 4189 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 4190 continue; 4191 verify(nvlist_lookup_uint64(records[i], 4192 ZPOOL_HIST_TXG, &txg) == 0); 4193 verify(nvlist_lookup_string(records[i], 4194 ZPOOL_HIST_INT_STR, &pathstr) == 0); 4195 if (ievent >= LOG_END) 4196 continue; 4197 (void) snprintf(internalstr, 4198 sizeof (internalstr), 4199 "[internal %s txg:%lld] %s", 4200 zfs_history_event_names[ievent], txg, 4201 pathstr); 4202 cmdstr = internalstr; 4203 } 4204 tsec = dst_time; 4205 (void) localtime_r(&tsec, &t); 4206 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4207 (void) printf("%s %s", tbuf, cmdstr); 4208 4209 if (!cb->longfmt) { 4210 (void) printf("\n"); 4211 continue; 4212 } 4213 (void) printf(" ["); 4214 if (nvlist_lookup_uint64(records[i], 4215 ZPOOL_HIST_WHO, &who) == 0) { 4216 pwd = getpwuid((uid_t)who); 4217 if (pwd) 4218 (void) printf("user %s on", 4219 pwd->pw_name); 4220 else 4221 (void) printf("user %d on", 4222 (int)who); 4223 } else { 4224 (void) printf(gettext("no info]\n")); 4225 continue; 4226 } 4227 if (nvlist_lookup_string(records[i], 4228 ZPOOL_HIST_HOST, &hostname) == 0) { 4229 (void) printf(" %s", hostname); 4230 } 4231 if (nvlist_lookup_string(records[i], 4232 ZPOOL_HIST_ZONE, &zonename) == 0) { 4233 (void) printf(":%s", zonename); 4234 } 4235 4236 (void) printf("]"); 4237 (void) printf("\n"); 4238 } 4239 (void) printf("\n"); 4240 nvlist_free(nvhis); 4241 4242 return (ret); 4243} 4244 4245/* 4246 * zpool history <pool> 4247 * 4248 * Displays the history of commands that modified pools. 4249 */ 4250 4251 4252int 4253zpool_do_history(int argc, char **argv) 4254{ 4255 hist_cbdata_t cbdata = { 0 }; 4256 int ret; 4257 int c; 4258 4259 cbdata.first = B_TRUE; 4260 /* check options */ 4261 while ((c = getopt(argc, argv, "li")) != -1) { 4262 switch (c) { 4263 case 'l': 4264 cbdata.longfmt = 1; 4265 break; 4266 case 'i': 4267 cbdata.internal = 1; 4268 break; 4269 case '?': 4270 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4271 optopt); 4272 usage(B_FALSE); 4273 } 4274 } 4275 argc -= optind; 4276 argv += optind; 4277 4278 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4279 &cbdata); 4280 4281 if (argc == 0 && cbdata.first == B_TRUE) { 4282 (void) printf(gettext("no pools available\n")); 4283 return (0); 4284 } 4285 4286 return (ret); 4287} 4288 4289static int 4290get_callback(zpool_handle_t *zhp, void *data) 4291{ 4292 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4293 char value[MAXNAMELEN]; 4294 zprop_source_t srctype; 4295 zprop_list_t *pl; 4296 4297 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4298 4299 /* 4300 * Skip the special fake placeholder. This will also skip 4301 * over the name property when 'all' is specified. 4302 */ 4303 if (pl->pl_prop == ZPOOL_PROP_NAME && 4304 pl == cbp->cb_proplist) 4305 continue; 4306 4307 if (zpool_get_prop(zhp, pl->pl_prop, 4308 value, sizeof (value), &srctype) != 0) 4309 continue; 4310 4311 zprop_print_one_property(zpool_get_name(zhp), cbp, 4312 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4313 NULL); 4314 } 4315 return (0); 4316} 4317 4318int 4319zpool_do_get(int argc, char **argv) 4320{ 4321 zprop_get_cbdata_t cb = { 0 }; 4322 zprop_list_t fake_name = { 0 }; 4323 int ret; 4324 4325 if (argc < 3) 4326 usage(B_FALSE); 4327 4328 cb.cb_first = B_TRUE; 4329 cb.cb_sources = ZPROP_SRC_ALL; 4330 cb.cb_columns[0] = GET_COL_NAME; 4331 cb.cb_columns[1] = GET_COL_PROPERTY; 4332 cb.cb_columns[2] = GET_COL_VALUE; 4333 cb.cb_columns[3] = GET_COL_SOURCE; 4334 cb.cb_type = ZFS_TYPE_POOL; 4335 4336 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4337 ZFS_TYPE_POOL) != 0) 4338 usage(B_FALSE); 4339 4340 if (cb.cb_proplist != NULL) { 4341 fake_name.pl_prop = ZPOOL_PROP_NAME; 4342 fake_name.pl_width = strlen(gettext("NAME")); 4343 fake_name.pl_next = cb.cb_proplist; 4344 cb.cb_proplist = &fake_name; 4345 } 4346 4347 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4348 get_callback, &cb); 4349 4350 if (cb.cb_proplist == &fake_name) 4351 zprop_free_list(fake_name.pl_next); 4352 else 4353 zprop_free_list(cb.cb_proplist); 4354 4355 return (ret); 4356} 4357 4358typedef struct set_cbdata { 4359 char *cb_propname; 4360 char *cb_value; 4361 boolean_t cb_any_successful; 4362} set_cbdata_t; 4363 4364int 4365set_callback(zpool_handle_t *zhp, void *data) 4366{ 4367 int error; 4368 set_cbdata_t *cb = (set_cbdata_t *)data; 4369 4370 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4371 4372 if (!error) 4373 cb->cb_any_successful = B_TRUE; 4374 4375 return (error); 4376} 4377 4378int 4379zpool_do_set(int argc, char **argv) 4380{ 4381 set_cbdata_t cb = { 0 }; 4382 int error; 4383 4384 if (argc > 1 && argv[1][0] == '-') { 4385 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4386 argv[1][1]); 4387 usage(B_FALSE); 4388 } 4389 4390 if (argc < 2) { 4391 (void) fprintf(stderr, gettext("missing property=value " 4392 "argument\n")); 4393 usage(B_FALSE); 4394 } 4395 4396 if (argc < 3) { 4397 (void) fprintf(stderr, gettext("missing pool name\n")); 4398 usage(B_FALSE); 4399 } 4400 4401 if (argc > 3) { 4402 (void) fprintf(stderr, gettext("too many pool names\n")); 4403 usage(B_FALSE); 4404 } 4405 4406 cb.cb_propname = argv[1]; 4407 cb.cb_value = strchr(cb.cb_propname, '='); 4408 if (cb.cb_value == NULL) { 4409 (void) fprintf(stderr, gettext("missing value in " 4410 "property=value argument\n")); 4411 usage(B_FALSE); 4412 } 4413 4414 *(cb.cb_value) = '\0'; 4415 cb.cb_value++; 4416 4417 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4418 set_callback, &cb); 4419 4420 return (error); 4421} 4422 4423static int 4424find_command_idx(char *command, int *idx) 4425{ 4426 int i; 4427 4428 for (i = 0; i < NCOMMAND; i++) { 4429 if (command_table[i].name == NULL) 4430 continue; 4431 4432 if (strcmp(command, command_table[i].name) == 0) { 4433 *idx = i; 4434 return (0); 4435 } 4436 } 4437 return (1); 4438} 4439 4440int 4441main(int argc, char **argv) 4442{ 4443 int ret; 4444 int i; 4445 char *cmdname; 4446 4447 (void) setlocale(LC_ALL, ""); 4448 (void) textdomain(TEXT_DOMAIN); 4449 4450 if ((g_zfs = libzfs_init()) == NULL) { 4451 (void) fprintf(stderr, gettext("internal error: failed to " 4452 "initialize ZFS library\n")); 4453 return (1); 4454 } 4455 4456 libzfs_print_on_error(g_zfs, B_TRUE); 4457 4458 opterr = 0; 4459 4460 /* 4461 * Make sure the user has specified some command. 4462 */ 4463 if (argc < 2) { 4464 (void) fprintf(stderr, gettext("missing command\n")); 4465 usage(B_FALSE); 4466 } 4467 4468 cmdname = argv[1]; 4469 4470 /* 4471 * Special case '-?' 4472 */ 4473 if (strcmp(cmdname, "-?") == 0) 4474 usage(B_TRUE); 4475 4476 zpool_set_history_str("zpool", argc, argv, history_str); 4477 verify(zpool_stage_history(g_zfs, history_str) == 0); 4478 4479 /* 4480 * Run the appropriate command. 4481 */ 4482 if (find_command_idx(cmdname, &i) == 0) { 4483 current_command = &command_table[i]; 4484 ret = command_table[i].func(argc - 1, argv + 1); 4485 } else if (strchr(cmdname, '=')) { 4486 verify(find_command_idx("set", &i) == 0); 4487 current_command = &command_table[i]; 4488 ret = command_table[i].func(argc, argv); 4489 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4490 /* 4491 * 'freeze' is a vile debugging abomination, so we treat 4492 * it as such. 4493 */ 4494 char buf[16384]; 4495 int fd = open(ZFS_DEV, O_RDWR); 4496 (void) strcpy((void *)buf, argv[2]); 4497 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4498 } else { 4499 (void) fprintf(stderr, gettext("unrecognized " 4500 "command '%s'\n"), cmdname); 4501 usage(B_FALSE); 4502 } 4503 4504 libzfs_fini(g_zfs); 4505 4506 /* 4507 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4508 * for the purposes of running ::findleaks. 4509 */ 4510 if (getenv("ZFS_ABORT") != NULL) { 4511 (void) printf("dumping core by request\n"); 4512 abort(); 4513 } 4514 4515 return (ret); 4516} 4517