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 2010 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 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/fs/zfs.h> 45 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 55 static int zpool_do_create(int, char **); 56 static int zpool_do_destroy(int, char **); 57 58 static int zpool_do_add(int, char **); 59 static int zpool_do_remove(int, char **); 60 61 static int zpool_do_list(int, char **); 62 static int zpool_do_iostat(int, char **); 63 static int zpool_do_status(int, char **); 64 65 static int zpool_do_online(int, char **); 66 static int zpool_do_offline(int, char **); 67 static int zpool_do_clear(int, char **); 68 69 static int zpool_do_attach(int, char **); 70 static int zpool_do_detach(int, char **); 71 static int zpool_do_replace(int, char **); 72 static int zpool_do_split(int, char **); 73 74 static int zpool_do_scrub(int, char **); 75 76 static int zpool_do_import(int, char **); 77 static int zpool_do_export(int, char **); 78 79 static int zpool_do_upgrade(int, char **); 80 81 static int zpool_do_history(int, char **); 82 83 static int zpool_do_get(int, char **); 84 static 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 92 const char * 93 _umem_debug_init(void) 94 { 95 return ("default,verbose"); /* $UMEM_DEBUG setting */ 96 } 97 98 const char * 99 _umem_logging_init(void) 100 { 101 return ("fail,contents"); /* $UMEM_LOGGING setting */ 102 } 103 #endif 104 105 typedef 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; 128 129 130 typedef 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 */ 145 static 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])) 177 178 zpool_command_t *current_command; 179 static char history_str[HIS_MAX_RECORD_LEN]; 180 181 static uint_t timestamp_fmt = NODATE; 182 183 static const char * 184 get_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] [-n] -F <pool | id>\n" 208 "\timport [-o mntopts] [-o property=value] ... \n" 209 "\t [-d dir | -c cachefile] [-D] [-f] [-R root] -a\n" 210 "\timport [-o mntopts] [-o property=value] ... \n" 211 "\t [-d dir | -c cachefile] [-D] [-f] [-R root] " 212 "<pool | id> [newpool]\n")); 213 case HELP_IOSTAT: 214 return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval " 215 "[count]]\n")); 216 case HELP_LIST: 217 return (gettext("\tlist [-H] [-o property[,...]] " 218 "[pool] ...\n")); 219 case HELP_OFFLINE: 220 return (gettext("\toffline [-t] <pool> <device> ...\n")); 221 case HELP_ONLINE: 222 return (gettext("\tonline <pool> <device> ...\n")); 223 case HELP_REPLACE: 224 return (gettext("\treplace [-f] <pool> <device> " 225 "[new-device]\n")); 226 case HELP_REMOVE: 227 return (gettext("\tremove <pool> <device> ...\n")); 228 case HELP_SCRUB: 229 return (gettext("\tscrub [-s] <pool> ...\n")); 230 case HELP_STATUS: 231 return (gettext("\tstatus [-vx] [pool] ...\n")); 232 case HELP_UPGRADE: 233 return (gettext("\tupgrade\n" 234 "\tupgrade -v\n" 235 "\tupgrade [-V version] <-a | pool ...>\n")); 236 case HELP_GET: 237 return (gettext("\tget <\"all\" | property[,...]> " 238 "<pool> ...\n")); 239 case HELP_SET: 240 return (gettext("\tset <property=value> <pool> \n")); 241 case HELP_SPLIT: 242 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 243 "\t [-o property=value] <pool> <newpool> " 244 "[<device> ...]\n")); 245 } 246 247 abort(); 248 /* NOTREACHED */ 249 } 250 251 252 /* 253 * Callback routine that will print out a pool property value. 254 */ 255 static int 256 print_prop_cb(int prop, void *cb) 257 { 258 FILE *fp = cb; 259 260 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 261 262 if (zpool_prop_readonly(prop)) 263 (void) fprintf(fp, " NO "); 264 else 265 (void) fprintf(fp, " YES "); 266 267 if (zpool_prop_values(prop) == NULL) 268 (void) fprintf(fp, "-\n"); 269 else 270 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 271 272 return (ZPROP_CONT); 273 } 274 275 /* 276 * Display usage message. If we're inside a command, display only the usage for 277 * that command. Otherwise, iterate over the entire command table and display 278 * a complete usage message. 279 */ 280 void 281 usage(boolean_t requested) 282 { 283 FILE *fp = requested ? stdout : stderr; 284 285 if (current_command == NULL) { 286 int i; 287 288 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 289 (void) fprintf(fp, 290 gettext("where 'command' is one of the following:\n\n")); 291 292 for (i = 0; i < NCOMMAND; i++) { 293 if (command_table[i].name == NULL) 294 (void) fprintf(fp, "\n"); 295 else 296 (void) fprintf(fp, "%s", 297 get_usage(command_table[i].usage)); 298 } 299 } else { 300 (void) fprintf(fp, gettext("usage:\n")); 301 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 302 } 303 304 if (current_command != NULL && 305 ((strcmp(current_command->name, "set") == 0) || 306 (strcmp(current_command->name, "get") == 0) || 307 (strcmp(current_command->name, "list") == 0))) { 308 309 (void) fprintf(fp, 310 gettext("\nthe following properties are supported:\n")); 311 312 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 313 "PROPERTY", "EDIT", "VALUES"); 314 315 /* Iterate over all properties */ 316 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 317 ZFS_TYPE_POOL); 318 } 319 320 /* 321 * See comments at end of main(). 322 */ 323 if (getenv("ZFS_ABORT") != NULL) { 324 (void) printf("dumping core by request\n"); 325 abort(); 326 } 327 328 exit(requested ? 0 : 2); 329 } 330 331 void 332 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 333 boolean_t print_logs) 334 { 335 nvlist_t **child; 336 uint_t c, children; 337 char *vname; 338 339 if (name != NULL) 340 (void) printf("\t%*s%s\n", indent, "", name); 341 342 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 343 &child, &children) != 0) 344 return; 345 346 for (c = 0; c < children; c++) { 347 uint64_t is_log = B_FALSE; 348 349 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 350 &is_log); 351 if ((is_log && !print_logs) || (!is_log && print_logs)) 352 continue; 353 354 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 355 print_vdev_tree(zhp, vname, child[c], indent + 2, 356 B_FALSE); 357 free(vname); 358 } 359 } 360 361 /* 362 * Add a property pair (name, string-value) into a property nvlist. 363 */ 364 static int 365 add_prop_list(const char *propname, char *propval, nvlist_t **props, 366 boolean_t poolprop) 367 { 368 zpool_prop_t prop = ZPROP_INVAL; 369 zfs_prop_t fprop; 370 nvlist_t *proplist; 371 const char *normnm; 372 char *strval; 373 374 if (*props == NULL && 375 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 376 (void) fprintf(stderr, 377 gettext("internal error: out of memory\n")); 378 return (1); 379 } 380 381 proplist = *props; 382 383 if (poolprop) { 384 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 385 (void) fprintf(stderr, gettext("property '%s' is " 386 "not a valid pool property\n"), propname); 387 return (2); 388 } 389 normnm = zpool_prop_to_name(prop); 390 } else { 391 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 392 normnm = zfs_prop_to_name(fprop); 393 } else { 394 normnm = propname; 395 } 396 } 397 398 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 399 prop != ZPOOL_PROP_CACHEFILE) { 400 (void) fprintf(stderr, gettext("property '%s' " 401 "specified multiple times\n"), propname); 402 return (2); 403 } 404 405 if (nvlist_add_string(proplist, normnm, propval) != 0) { 406 (void) fprintf(stderr, gettext("internal " 407 "error: out of memory\n")); 408 return (1); 409 } 410 411 return (0); 412 } 413 414 /* 415 * zpool add [-fn] <pool> <vdev> ... 416 * 417 * -f Force addition of devices, even if they appear in use 418 * -n Do not add the devices, but display the resulting layout if 419 * they were to be added. 420 * 421 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 422 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 423 * libzfs. 424 */ 425 int 426 zpool_do_add(int argc, char **argv) 427 { 428 boolean_t force = B_FALSE; 429 boolean_t dryrun = B_FALSE; 430 int c; 431 nvlist_t *nvroot; 432 char *poolname; 433 int ret; 434 zpool_handle_t *zhp; 435 nvlist_t *config; 436 437 /* check options */ 438 while ((c = getopt(argc, argv, "fn")) != -1) { 439 switch (c) { 440 case 'f': 441 force = B_TRUE; 442 break; 443 case 'n': 444 dryrun = B_TRUE; 445 break; 446 case '?': 447 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 448 optopt); 449 usage(B_FALSE); 450 } 451 } 452 453 argc -= optind; 454 argv += optind; 455 456 /* get pool name and check number of arguments */ 457 if (argc < 1) { 458 (void) fprintf(stderr, gettext("missing pool name argument\n")); 459 usage(B_FALSE); 460 } 461 if (argc < 2) { 462 (void) fprintf(stderr, gettext("missing vdev specification\n")); 463 usage(B_FALSE); 464 } 465 466 poolname = argv[0]; 467 468 argc--; 469 argv++; 470 471 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 472 return (1); 473 474 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 475 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 476 poolname); 477 zpool_close(zhp); 478 return (1); 479 } 480 481 /* pass off to get_vdev_spec for processing */ 482 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 483 argc, argv); 484 if (nvroot == NULL) { 485 zpool_close(zhp); 486 return (1); 487 } 488 489 if (dryrun) { 490 nvlist_t *poolnvroot; 491 492 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 493 &poolnvroot) == 0); 494 495 (void) printf(gettext("would update '%s' to the following " 496 "configuration:\n"), zpool_get_name(zhp)); 497 498 /* print original main pool and new tree */ 499 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 500 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 501 502 /* Do the same for the logs */ 503 if (num_logs(poolnvroot) > 0) { 504 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 505 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 506 } else if (num_logs(nvroot) > 0) { 507 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 508 } 509 510 ret = 0; 511 } else { 512 ret = (zpool_add(zhp, nvroot) != 0); 513 } 514 515 nvlist_free(nvroot); 516 zpool_close(zhp); 517 518 return (ret); 519 } 520 521 /* 522 * zpool remove <pool> <vdev> ... 523 * 524 * Removes the given vdev from the pool. Currently, this only supports removing 525 * spares and cache devices from the pool. Eventually, we'll want to support 526 * removing leaf vdevs (as an alias for 'detach') as well as toplevel vdevs. 527 */ 528 int 529 zpool_do_remove(int argc, char **argv) 530 { 531 char *poolname; 532 int i, ret = 0; 533 zpool_handle_t *zhp; 534 535 argc--; 536 argv++; 537 538 /* get pool name and check number of arguments */ 539 if (argc < 1) { 540 (void) fprintf(stderr, gettext("missing pool name argument\n")); 541 usage(B_FALSE); 542 } 543 if (argc < 2) { 544 (void) fprintf(stderr, gettext("missing device\n")); 545 usage(B_FALSE); 546 } 547 548 poolname = argv[0]; 549 550 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 551 return (1); 552 553 for (i = 1; i < argc; i++) { 554 if (zpool_vdev_remove(zhp, argv[i]) != 0) 555 ret = 1; 556 } 557 558 return (ret); 559 } 560 561 /* 562 * zpool create [-fn] [-o property=value] ... 563 * [-O file-system-property=value] ... 564 * [-R root] [-m mountpoint] <pool> <dev> ... 565 * 566 * -f Force creation, even if devices appear in use 567 * -n Do not create the pool, but display the resulting layout if it 568 * were to be created. 569 * -R Create a pool under an alternate root 570 * -m Set default mountpoint for the root dataset. By default it's 571 * '/<pool>' 572 * -o Set property=value. 573 * -O Set fsproperty=value in the pool's root file system 574 * 575 * Creates the named pool according to the given vdev specification. The 576 * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c. Once 577 * we get the nvlist back from get_vdev_spec(), we either print out the contents 578 * (if '-n' was specified), or pass it to libzfs to do the creation. 579 */ 580 int 581 zpool_do_create(int argc, char **argv) 582 { 583 boolean_t force = B_FALSE; 584 boolean_t dryrun = B_FALSE; 585 int c; 586 nvlist_t *nvroot = NULL; 587 char *poolname; 588 int ret = 1; 589 char *altroot = NULL; 590 char *mountpoint = NULL; 591 nvlist_t *fsprops = NULL; 592 nvlist_t *props = NULL; 593 char *propval; 594 595 /* check options */ 596 while ((c = getopt(argc, argv, ":fnR:m:o:O:")) != -1) { 597 switch (c) { 598 case 'f': 599 force = B_TRUE; 600 break; 601 case 'n': 602 dryrun = B_TRUE; 603 break; 604 case 'R': 605 altroot = optarg; 606 if (add_prop_list(zpool_prop_to_name( 607 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 608 goto errout; 609 if (nvlist_lookup_string(props, 610 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 611 &propval) == 0) 612 break; 613 if (add_prop_list(zpool_prop_to_name( 614 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 615 goto errout; 616 break; 617 case 'm': 618 mountpoint = optarg; 619 break; 620 case 'o': 621 if ((propval = strchr(optarg, '=')) == NULL) { 622 (void) fprintf(stderr, gettext("missing " 623 "'=' for -o option\n")); 624 goto errout; 625 } 626 *propval = '\0'; 627 propval++; 628 629 if (add_prop_list(optarg, propval, &props, B_TRUE)) 630 goto errout; 631 break; 632 case 'O': 633 if ((propval = strchr(optarg, '=')) == NULL) { 634 (void) fprintf(stderr, gettext("missing " 635 "'=' for -O option\n")); 636 goto errout; 637 } 638 *propval = '\0'; 639 propval++; 640 641 if (add_prop_list(optarg, propval, &fsprops, B_FALSE)) 642 goto errout; 643 break; 644 case ':': 645 (void) fprintf(stderr, gettext("missing argument for " 646 "'%c' option\n"), optopt); 647 goto badusage; 648 case '?': 649 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 650 optopt); 651 goto badusage; 652 } 653 } 654 655 argc -= optind; 656 argv += optind; 657 658 /* get pool name and check number of arguments */ 659 if (argc < 1) { 660 (void) fprintf(stderr, gettext("missing pool name argument\n")); 661 goto badusage; 662 } 663 if (argc < 2) { 664 (void) fprintf(stderr, gettext("missing vdev specification\n")); 665 goto badusage; 666 } 667 668 poolname = argv[0]; 669 670 /* 671 * As a special case, check for use of '/' in the name, and direct the 672 * user to use 'zfs create' instead. 673 */ 674 if (strchr(poolname, '/') != NULL) { 675 (void) fprintf(stderr, gettext("cannot create '%s': invalid " 676 "character '/' in pool name\n"), poolname); 677 (void) fprintf(stderr, gettext("use 'zfs create' to " 678 "create a dataset\n")); 679 goto errout; 680 } 681 682 /* pass off to get_vdev_spec for bulk processing */ 683 nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun, 684 argc - 1, argv + 1); 685 if (nvroot == NULL) 686 goto errout; 687 688 /* make_root_vdev() allows 0 toplevel children if there are spares */ 689 if (!zfs_allocatable_devs(nvroot)) { 690 (void) fprintf(stderr, gettext("invalid vdev " 691 "specification: at least one toplevel vdev must be " 692 "specified\n")); 693 goto errout; 694 } 695 696 697 if (altroot != NULL && altroot[0] != '/') { 698 (void) fprintf(stderr, gettext("invalid alternate root '%s': " 699 "must be an absolute path\n"), altroot); 700 goto errout; 701 } 702 703 /* 704 * Check the validity of the mountpoint and direct the user to use the 705 * '-m' mountpoint option if it looks like its in use. 706 */ 707 if (mountpoint == NULL || 708 (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 && 709 strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) { 710 char buf[MAXPATHLEN]; 711 DIR *dirp; 712 713 if (mountpoint && mountpoint[0] != '/') { 714 (void) fprintf(stderr, gettext("invalid mountpoint " 715 "'%s': must be an absolute path, 'legacy', or " 716 "'none'\n"), mountpoint); 717 goto errout; 718 } 719 720 if (mountpoint == NULL) { 721 if (altroot != NULL) 722 (void) snprintf(buf, sizeof (buf), "%s/%s", 723 altroot, poolname); 724 else 725 (void) snprintf(buf, sizeof (buf), "/%s", 726 poolname); 727 } else { 728 if (altroot != NULL) 729 (void) snprintf(buf, sizeof (buf), "%s%s", 730 altroot, mountpoint); 731 else 732 (void) snprintf(buf, sizeof (buf), "%s", 733 mountpoint); 734 } 735 736 if ((dirp = opendir(buf)) == NULL && errno != ENOENT) { 737 (void) fprintf(stderr, gettext("mountpoint '%s' : " 738 "%s\n"), buf, strerror(errno)); 739 (void) fprintf(stderr, gettext("use '-m' " 740 "option to provide a different default\n")); 741 goto errout; 742 } else if (dirp) { 743 int count = 0; 744 745 while (count < 3 && readdir(dirp) != NULL) 746 count++; 747 (void) closedir(dirp); 748 749 if (count > 2) { 750 (void) fprintf(stderr, gettext("mountpoint " 751 "'%s' exists and is not empty\n"), buf); 752 (void) fprintf(stderr, gettext("use '-m' " 753 "option to provide a " 754 "different default\n")); 755 goto errout; 756 } 757 } 758 } 759 760 if (dryrun) { 761 /* 762 * For a dry run invocation, print out a basic message and run 763 * through all the vdevs in the list and print out in an 764 * appropriate hierarchy. 765 */ 766 (void) printf(gettext("would create '%s' with the " 767 "following layout:\n\n"), poolname); 768 769 print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE); 770 if (num_logs(nvroot) > 0) 771 print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE); 772 773 ret = 0; 774 } else { 775 /* 776 * Hand off to libzfs. 777 */ 778 if (zpool_create(g_zfs, poolname, 779 nvroot, props, fsprops) == 0) { 780 zfs_handle_t *pool = zfs_open(g_zfs, poolname, 781 ZFS_TYPE_FILESYSTEM); 782 if (pool != NULL) { 783 if (mountpoint != NULL) 784 verify(zfs_prop_set(pool, 785 zfs_prop_to_name( 786 ZFS_PROP_MOUNTPOINT), 787 mountpoint) == 0); 788 if (zfs_mount(pool, NULL, 0) == 0) 789 ret = zfs_shareall(pool); 790 zfs_close(pool); 791 } 792 } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) { 793 (void) fprintf(stderr, gettext("pool name may have " 794 "been omitted\n")); 795 } 796 } 797 798 errout: 799 nvlist_free(nvroot); 800 nvlist_free(fsprops); 801 nvlist_free(props); 802 return (ret); 803 badusage: 804 nvlist_free(fsprops); 805 nvlist_free(props); 806 usage(B_FALSE); 807 return (2); 808 } 809 810 /* 811 * zpool destroy <pool> 812 * 813 * -f Forcefully unmount any datasets 814 * 815 * Destroy the given pool. Automatically unmounts any datasets in the pool. 816 */ 817 int 818 zpool_do_destroy(int argc, char **argv) 819 { 820 boolean_t force = B_FALSE; 821 int c; 822 char *pool; 823 zpool_handle_t *zhp; 824 int ret; 825 826 /* check options */ 827 while ((c = getopt(argc, argv, "f")) != -1) { 828 switch (c) { 829 case 'f': 830 force = B_TRUE; 831 break; 832 case '?': 833 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 834 optopt); 835 usage(B_FALSE); 836 } 837 } 838 839 argc -= optind; 840 argv += optind; 841 842 /* check arguments */ 843 if (argc < 1) { 844 (void) fprintf(stderr, gettext("missing pool argument\n")); 845 usage(B_FALSE); 846 } 847 if (argc > 1) { 848 (void) fprintf(stderr, gettext("too many arguments\n")); 849 usage(B_FALSE); 850 } 851 852 pool = argv[0]; 853 854 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 855 /* 856 * As a special case, check for use of '/' in the name, and 857 * direct the user to use 'zfs destroy' instead. 858 */ 859 if (strchr(pool, '/') != NULL) 860 (void) fprintf(stderr, gettext("use 'zfs destroy' to " 861 "destroy a dataset\n")); 862 return (1); 863 } 864 865 if (zpool_disable_datasets(zhp, force) != 0) { 866 (void) fprintf(stderr, gettext("could not destroy '%s': " 867 "could not unmount datasets\n"), zpool_get_name(zhp)); 868 return (1); 869 } 870 871 ret = (zpool_destroy(zhp) != 0); 872 873 zpool_close(zhp); 874 875 return (ret); 876 } 877 878 /* 879 * zpool export [-f] <pool> ... 880 * 881 * -f Forcefully unmount datasets 882 * 883 * Export the given pools. By default, the command will attempt to cleanly 884 * unmount any active datasets within the pool. If the '-f' flag is specified, 885 * then the datasets will be forcefully unmounted. 886 */ 887 int 888 zpool_do_export(int argc, char **argv) 889 { 890 boolean_t force = B_FALSE; 891 boolean_t hardforce = B_FALSE; 892 int c; 893 zpool_handle_t *zhp; 894 int ret; 895 int i; 896 897 /* check options */ 898 while ((c = getopt(argc, argv, "fF")) != -1) { 899 switch (c) { 900 case 'f': 901 force = B_TRUE; 902 break; 903 case 'F': 904 hardforce = B_TRUE; 905 break; 906 case '?': 907 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 908 optopt); 909 usage(B_FALSE); 910 } 911 } 912 913 argc -= optind; 914 argv += optind; 915 916 /* check arguments */ 917 if (argc < 1) { 918 (void) fprintf(stderr, gettext("missing pool argument\n")); 919 usage(B_FALSE); 920 } 921 922 ret = 0; 923 for (i = 0; i < argc; i++) { 924 if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) { 925 ret = 1; 926 continue; 927 } 928 929 if (zpool_disable_datasets(zhp, force) != 0) { 930 ret = 1; 931 zpool_close(zhp); 932 continue; 933 } 934 935 if (hardforce) { 936 if (zpool_export_force(zhp) != 0) 937 ret = 1; 938 } else if (zpool_export(zhp, force) != 0) { 939 ret = 1; 940 } 941 942 zpool_close(zhp); 943 } 944 945 return (ret); 946 } 947 948 /* 949 * Given a vdev configuration, determine the maximum width needed for the device 950 * name column. 951 */ 952 static int 953 max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max) 954 { 955 char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE); 956 nvlist_t **child; 957 uint_t c, children; 958 int ret; 959 960 if (strlen(name) + depth > max) 961 max = strlen(name) + depth; 962 963 free(name); 964 965 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 966 &child, &children) == 0) { 967 for (c = 0; c < children; c++) 968 if ((ret = max_width(zhp, child[c], depth + 2, 969 max)) > max) 970 max = ret; 971 } 972 973 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 974 &child, &children) == 0) { 975 for (c = 0; c < children; c++) 976 if ((ret = max_width(zhp, child[c], depth + 2, 977 max)) > max) 978 max = ret; 979 } 980 981 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 982 &child, &children) == 0) { 983 for (c = 0; c < children; c++) 984 if ((ret = max_width(zhp, child[c], depth + 2, 985 max)) > max) 986 max = ret; 987 } 988 989 990 return (max); 991 } 992 993 typedef struct spare_cbdata { 994 uint64_t cb_guid; 995 zpool_handle_t *cb_zhp; 996 } spare_cbdata_t; 997 998 static boolean_t 999 find_vdev(nvlist_t *nv, uint64_t search) 1000 { 1001 uint64_t guid; 1002 nvlist_t **child; 1003 uint_t c, children; 1004 1005 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 && 1006 search == guid) 1007 return (B_TRUE); 1008 1009 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1010 &child, &children) == 0) { 1011 for (c = 0; c < children; c++) 1012 if (find_vdev(child[c], search)) 1013 return (B_TRUE); 1014 } 1015 1016 return (B_FALSE); 1017 } 1018 1019 static int 1020 find_spare(zpool_handle_t *zhp, void *data) 1021 { 1022 spare_cbdata_t *cbp = data; 1023 nvlist_t *config, *nvroot; 1024 1025 config = zpool_get_config(zhp, NULL); 1026 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1027 &nvroot) == 0); 1028 1029 if (find_vdev(nvroot, cbp->cb_guid)) { 1030 cbp->cb_zhp = zhp; 1031 return (1); 1032 } 1033 1034 zpool_close(zhp); 1035 return (0); 1036 } 1037 1038 /* 1039 * Print out configuration state as requested by status_callback. 1040 */ 1041 void 1042 print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv, 1043 int namewidth, int depth, boolean_t isspare) 1044 { 1045 nvlist_t **child; 1046 uint_t c, children; 1047 vdev_stat_t *vs; 1048 char rbuf[6], wbuf[6], cbuf[6], repaired[7]; 1049 char *vname; 1050 uint64_t notpresent; 1051 spare_cbdata_t cb; 1052 char *state; 1053 1054 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS, 1055 (uint64_t **)&vs, &c) == 0); 1056 1057 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1058 &child, &children) != 0) 1059 children = 0; 1060 1061 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1062 if (isspare) { 1063 /* 1064 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1065 * online drives. 1066 */ 1067 if (vs->vs_aux == VDEV_AUX_SPARED) 1068 state = "INUSE"; 1069 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1070 state = "AVAIL"; 1071 } 1072 1073 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1074 name, state); 1075 1076 if (!isspare) { 1077 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1078 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1079 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1080 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1081 } 1082 1083 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1084 ¬present) == 0) { 1085 char *path; 1086 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 1087 (void) printf(" was %s", path); 1088 } else if (vs->vs_aux != 0) { 1089 (void) printf(" "); 1090 1091 switch (vs->vs_aux) { 1092 case VDEV_AUX_OPEN_FAILED: 1093 (void) printf(gettext("cannot open")); 1094 break; 1095 1096 case VDEV_AUX_BAD_GUID_SUM: 1097 (void) printf(gettext("missing device")); 1098 break; 1099 1100 case VDEV_AUX_NO_REPLICAS: 1101 (void) printf(gettext("insufficient replicas")); 1102 break; 1103 1104 case VDEV_AUX_VERSION_NEWER: 1105 (void) printf(gettext("newer version")); 1106 break; 1107 1108 case VDEV_AUX_SPARED: 1109 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1110 &cb.cb_guid) == 0); 1111 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1112 if (strcmp(zpool_get_name(cb.cb_zhp), 1113 zpool_get_name(zhp)) == 0) 1114 (void) printf(gettext("currently in " 1115 "use")); 1116 else 1117 (void) printf(gettext("in use by " 1118 "pool '%s'"), 1119 zpool_get_name(cb.cb_zhp)); 1120 zpool_close(cb.cb_zhp); 1121 } else { 1122 (void) printf(gettext("currently in use")); 1123 } 1124 break; 1125 1126 case VDEV_AUX_ERR_EXCEEDED: 1127 (void) printf(gettext("too many errors")); 1128 break; 1129 1130 case VDEV_AUX_IO_FAILURE: 1131 (void) printf(gettext("experienced I/O failures")); 1132 break; 1133 1134 case VDEV_AUX_BAD_LOG: 1135 (void) printf(gettext("bad intent log")); 1136 break; 1137 1138 case VDEV_AUX_EXTERNAL: 1139 (void) printf(gettext("external device fault")); 1140 break; 1141 1142 case VDEV_AUX_SPLIT_POOL: 1143 (void) printf(gettext("split into new pool")); 1144 break; 1145 1146 default: 1147 (void) printf(gettext("corrupted data")); 1148 break; 1149 } 1150 } else if (vs->vs_scrub_repaired != 0 && children == 0) { 1151 /* 1152 * Report bytes resilvered/repaired on leaf devices. 1153 */ 1154 zfs_nicenum(vs->vs_scrub_repaired, repaired, sizeof (repaired)); 1155 (void) printf(gettext(" %s %s"), repaired, 1156 (vs->vs_scrub_type == POOL_SCRUB_RESILVER) ? 1157 "resilvered" : "repaired"); 1158 } 1159 1160 (void) printf("\n"); 1161 1162 for (c = 0; c < children; c++) { 1163 uint64_t islog = B_FALSE, ishole = B_FALSE; 1164 1165 /* Don't print logs or holes here */ 1166 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1167 &islog); 1168 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1169 &ishole); 1170 if (islog || ishole) 1171 continue; 1172 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1173 print_status_config(zhp, vname, child[c], 1174 namewidth, depth + 2, isspare); 1175 free(vname); 1176 } 1177 } 1178 1179 1180 /* 1181 * Print the configuration of an exported pool. Iterate over all vdevs in the 1182 * pool, printing out the name and status for each one. 1183 */ 1184 void 1185 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1186 { 1187 nvlist_t **child; 1188 uint_t c, children; 1189 vdev_stat_t *vs; 1190 char *type, *vname; 1191 1192 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1193 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1194 strcmp(type, VDEV_TYPE_HOLE) == 0) 1195 return; 1196 1197 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_STATS, 1198 (uint64_t **)&vs, &c) == 0); 1199 1200 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1201 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1202 1203 if (vs->vs_aux != 0) { 1204 (void) printf(" "); 1205 1206 switch (vs->vs_aux) { 1207 case VDEV_AUX_OPEN_FAILED: 1208 (void) printf(gettext("cannot open")); 1209 break; 1210 1211 case VDEV_AUX_BAD_GUID_SUM: 1212 (void) printf(gettext("missing device")); 1213 break; 1214 1215 case VDEV_AUX_NO_REPLICAS: 1216 (void) printf(gettext("insufficient replicas")); 1217 break; 1218 1219 case VDEV_AUX_VERSION_NEWER: 1220 (void) printf(gettext("newer version")); 1221 break; 1222 1223 case VDEV_AUX_ERR_EXCEEDED: 1224 (void) printf(gettext("too many errors")); 1225 break; 1226 1227 default: 1228 (void) printf(gettext("corrupted data")); 1229 break; 1230 } 1231 } 1232 (void) printf("\n"); 1233 1234 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1235 &child, &children) != 0) 1236 return; 1237 1238 for (c = 0; c < children; c++) { 1239 uint64_t is_log = B_FALSE; 1240 1241 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1242 &is_log); 1243 if (is_log) 1244 continue; 1245 1246 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1247 print_import_config(vname, child[c], namewidth, depth + 2); 1248 free(vname); 1249 } 1250 1251 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1252 &child, &children) == 0) { 1253 (void) printf(gettext("\tcache\n")); 1254 for (c = 0; c < children; c++) { 1255 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1256 (void) printf("\t %s\n", vname); 1257 free(vname); 1258 } 1259 } 1260 1261 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1262 &child, &children) == 0) { 1263 (void) printf(gettext("\tspares\n")); 1264 for (c = 0; c < children; c++) { 1265 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1266 (void) printf("\t %s\n", vname); 1267 free(vname); 1268 } 1269 } 1270 } 1271 1272 /* 1273 * Print log vdevs. 1274 * Logs are recorded as top level vdevs in the main pool child array 1275 * but with "is_log" set to 1. We use either print_status_config() or 1276 * print_import_config() to print the top level logs then any log 1277 * children (eg mirrored slogs) are printed recursively - which 1278 * works because only the top level vdev is marked "is_log" 1279 */ 1280 static void 1281 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1282 { 1283 uint_t c, children; 1284 nvlist_t **child; 1285 1286 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1287 &children) != 0) 1288 return; 1289 1290 (void) printf(gettext("\tlogs\n")); 1291 1292 for (c = 0; c < children; c++) { 1293 uint64_t is_log = B_FALSE; 1294 char *name; 1295 1296 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1297 &is_log); 1298 if (!is_log) 1299 continue; 1300 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1301 if (verbose) 1302 print_status_config(zhp, name, child[c], namewidth, 1303 2, B_FALSE); 1304 else 1305 print_import_config(name, child[c], namewidth, 2); 1306 free(name); 1307 } 1308 } 1309 1310 /* 1311 * Display the status for the given pool. 1312 */ 1313 static void 1314 show_import(nvlist_t *config) 1315 { 1316 uint64_t pool_state; 1317 vdev_stat_t *vs; 1318 char *name; 1319 uint64_t guid; 1320 char *msgid; 1321 nvlist_t *nvroot; 1322 int reason; 1323 const char *health; 1324 uint_t vsc; 1325 int namewidth; 1326 1327 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1328 &name) == 0); 1329 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1330 &guid) == 0); 1331 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1332 &pool_state) == 0); 1333 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1334 &nvroot) == 0); 1335 1336 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS, 1337 (uint64_t **)&vs, &vsc) == 0); 1338 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1339 1340 reason = zpool_import_status(config, &msgid); 1341 1342 (void) printf(gettext(" pool: %s\n"), name); 1343 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1344 (void) printf(gettext(" state: %s"), health); 1345 if (pool_state == POOL_STATE_DESTROYED) 1346 (void) printf(gettext(" (DESTROYED)")); 1347 (void) printf("\n"); 1348 1349 switch (reason) { 1350 case ZPOOL_STATUS_MISSING_DEV_R: 1351 case ZPOOL_STATUS_MISSING_DEV_NR: 1352 case ZPOOL_STATUS_BAD_GUID_SUM: 1353 (void) printf(gettext("status: One or more devices are missing " 1354 "from the system.\n")); 1355 break; 1356 1357 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1358 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1359 (void) printf(gettext("status: One or more devices contains " 1360 "corrupted data.\n")); 1361 break; 1362 1363 case ZPOOL_STATUS_CORRUPT_DATA: 1364 (void) printf(gettext("status: The pool data is corrupted.\n")); 1365 break; 1366 1367 case ZPOOL_STATUS_OFFLINE_DEV: 1368 (void) printf(gettext("status: One or more devices " 1369 "are offlined.\n")); 1370 break; 1371 1372 case ZPOOL_STATUS_CORRUPT_POOL: 1373 (void) printf(gettext("status: The pool metadata is " 1374 "corrupted.\n")); 1375 break; 1376 1377 case ZPOOL_STATUS_VERSION_OLDER: 1378 (void) printf(gettext("status: The pool is formatted using an " 1379 "older on-disk version.\n")); 1380 break; 1381 1382 case ZPOOL_STATUS_VERSION_NEWER: 1383 (void) printf(gettext("status: The pool is formatted using an " 1384 "incompatible version.\n")); 1385 break; 1386 1387 case ZPOOL_STATUS_HOSTID_MISMATCH: 1388 (void) printf(gettext("status: The pool was last accessed by " 1389 "another system.\n")); 1390 break; 1391 1392 case ZPOOL_STATUS_FAULTED_DEV_R: 1393 case ZPOOL_STATUS_FAULTED_DEV_NR: 1394 (void) printf(gettext("status: One or more devices are " 1395 "faulted.\n")); 1396 break; 1397 1398 case ZPOOL_STATUS_BAD_LOG: 1399 (void) printf(gettext("status: An intent log record cannot be " 1400 "read.\n")); 1401 break; 1402 1403 default: 1404 /* 1405 * No other status can be seen when importing pools. 1406 */ 1407 assert(reason == ZPOOL_STATUS_OK); 1408 } 1409 1410 /* 1411 * Print out an action according to the overall state of the pool. 1412 */ 1413 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1414 if (reason == ZPOOL_STATUS_VERSION_OLDER) 1415 (void) printf(gettext("action: The pool can be " 1416 "imported using its name or numeric identifier, " 1417 "though\n\tsome features will not be available " 1418 "without an explicit 'zpool upgrade'.\n")); 1419 else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) 1420 (void) printf(gettext("action: The pool can be " 1421 "imported using its name or numeric " 1422 "identifier and\n\tthe '-f' flag.\n")); 1423 else 1424 (void) printf(gettext("action: The pool can be " 1425 "imported using its name or numeric " 1426 "identifier.\n")); 1427 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1428 (void) printf(gettext("action: The pool can be imported " 1429 "despite missing or damaged devices. The\n\tfault " 1430 "tolerance of the pool may be compromised if imported.\n")); 1431 } else { 1432 switch (reason) { 1433 case ZPOOL_STATUS_VERSION_NEWER: 1434 (void) printf(gettext("action: The pool cannot be " 1435 "imported. Access the pool on a system running " 1436 "newer\n\tsoftware, or recreate the pool from " 1437 "backup.\n")); 1438 break; 1439 case ZPOOL_STATUS_MISSING_DEV_R: 1440 case ZPOOL_STATUS_MISSING_DEV_NR: 1441 case ZPOOL_STATUS_BAD_GUID_SUM: 1442 (void) printf(gettext("action: The pool cannot be " 1443 "imported. Attach the missing\n\tdevices and try " 1444 "again.\n")); 1445 break; 1446 default: 1447 (void) printf(gettext("action: The pool cannot be " 1448 "imported due to damaged devices or data.\n")); 1449 } 1450 } 1451 1452 /* 1453 * If the state is "closed" or "can't open", and the aux state 1454 * is "corrupt data": 1455 */ 1456 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1457 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1458 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1459 if (pool_state == POOL_STATE_DESTROYED) 1460 (void) printf(gettext("\tThe pool was destroyed, " 1461 "but can be imported using the '-Df' flags.\n")); 1462 else if (pool_state != POOL_STATE_EXPORTED) 1463 (void) printf(gettext("\tThe pool may be active on " 1464 "another system, but can be imported using\n\t" 1465 "the '-f' flag.\n")); 1466 } 1467 1468 if (msgid != NULL) 1469 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 1470 msgid); 1471 1472 (void) printf(gettext("config:\n\n")); 1473 1474 namewidth = max_width(NULL, nvroot, 0, 0); 1475 if (namewidth < 10) 1476 namewidth = 10; 1477 1478 print_import_config(name, nvroot, namewidth, 0); 1479 if (num_logs(nvroot) > 0) 1480 print_logs(NULL, nvroot, namewidth, B_FALSE); 1481 1482 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1483 (void) printf(gettext("\n\tAdditional devices are known to " 1484 "be part of this pool, though their\n\texact " 1485 "configuration cannot be determined.\n")); 1486 } 1487 } 1488 1489 /* 1490 * Perform the import for the given configuration. This passes the heavy 1491 * lifting off to zpool_import_props(), and then mounts the datasets contained 1492 * within the pool. 1493 */ 1494 static int 1495 do_import(nvlist_t *config, const char *newname, const char *mntopts, 1496 int force, nvlist_t *props, boolean_t do_verbatim) 1497 { 1498 zpool_handle_t *zhp; 1499 char *name; 1500 uint64_t state; 1501 uint64_t version; 1502 1503 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1504 &name) == 0); 1505 1506 verify(nvlist_lookup_uint64(config, 1507 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1508 verify(nvlist_lookup_uint64(config, 1509 ZPOOL_CONFIG_VERSION, &version) == 0); 1510 if (version > SPA_VERSION) { 1511 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1512 "is formatted using a newer ZFS version\n"), name); 1513 return (1); 1514 } else if (state != POOL_STATE_EXPORTED && !force) { 1515 uint64_t hostid; 1516 1517 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1518 &hostid) == 0) { 1519 if ((unsigned long)hostid != gethostid()) { 1520 char *hostname; 1521 uint64_t timestamp; 1522 time_t t; 1523 1524 verify(nvlist_lookup_string(config, 1525 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1526 verify(nvlist_lookup_uint64(config, 1527 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1528 t = timestamp; 1529 (void) fprintf(stderr, gettext("cannot import " 1530 "'%s': pool may be in use from other " 1531 "system, it was last accessed by %s " 1532 "(hostid: 0x%lx) on %s"), name, hostname, 1533 (unsigned long)hostid, 1534 asctime(localtime(&t))); 1535 (void) fprintf(stderr, gettext("use '-f' to " 1536 "import anyway\n")); 1537 return (1); 1538 } 1539 } else { 1540 (void) fprintf(stderr, gettext("cannot import '%s': " 1541 "pool may be in use from other system\n"), name); 1542 (void) fprintf(stderr, gettext("use '-f' to import " 1543 "anyway\n")); 1544 return (1); 1545 } 1546 } 1547 1548 if (zpool_import_props(g_zfs, config, newname, props, do_verbatim) != 0) 1549 return (1); 1550 1551 if (newname != NULL) 1552 name = (char *)newname; 1553 1554 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1555 return (1); 1556 1557 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1558 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1559 zpool_close(zhp); 1560 return (1); 1561 } 1562 1563 zpool_close(zhp); 1564 return (0); 1565 } 1566 1567 /* 1568 * zpool import [-d dir] [-D] 1569 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1570 * [-d dir | -c cachefile] [-f] -a 1571 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1572 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1573 * 1574 * -c Read pool information from a cachefile instead of searching 1575 * devices. 1576 * 1577 * -d Scan in a specific directory, other than /dev/dsk. More than 1578 * one directory can be specified using multiple '-d' options. 1579 * 1580 * -D Scan for previously destroyed pools or import all or only 1581 * specified destroyed pools. 1582 * 1583 * -R Temporarily import the pool, with all mountpoints relative to 1584 * the given root. The pool will remain exported when the machine 1585 * is rebooted. 1586 * 1587 * -V Import even in the presence of faulted vdevs. This is an 1588 * intentionally undocumented option for testing purposes, and 1589 * treats the pool configuration as complete, leaving any bad 1590 * vdevs in the FAULTED state. In other words, it does verbatim 1591 * import. 1592 * 1593 * -f Force import, even if it appears that the pool is active. 1594 * 1595 * -F Attempt rewind if necessary. 1596 * 1597 * -n See if rewind would work, but don't actually rewind. 1598 * 1599 * -a Import all pools found. 1600 * 1601 * -o Set property=value and/or temporary mount options (without '='). 1602 * 1603 * The import command scans for pools to import, and import pools based on pool 1604 * name and GUID. The pool can also be renamed as part of the import process. 1605 */ 1606 int 1607 zpool_do_import(int argc, char **argv) 1608 { 1609 char **searchdirs = NULL; 1610 int nsearch = 0; 1611 int c; 1612 int err = 0; 1613 nvlist_t *pools = NULL; 1614 boolean_t do_all = B_FALSE; 1615 boolean_t do_destroyed = B_FALSE; 1616 char *mntopts = NULL; 1617 boolean_t do_force = B_FALSE; 1618 nvpair_t *elem; 1619 nvlist_t *config; 1620 uint64_t searchguid = 0; 1621 char *searchname = NULL; 1622 char *propval; 1623 nvlist_t *found_config; 1624 nvlist_t *policy = NULL; 1625 nvlist_t *props = NULL; 1626 boolean_t first; 1627 boolean_t do_verbatim = B_FALSE; 1628 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1629 boolean_t dryrun = B_FALSE; 1630 boolean_t do_rewind = B_FALSE; 1631 boolean_t xtreme_rewind = B_FALSE; 1632 uint64_t pool_state; 1633 char *cachefile = NULL; 1634 importargs_t idata = { 0 }; 1635 1636 /* check options */ 1637 while ((c = getopt(argc, argv, ":aCc:d:DEfFno:rR:VX")) != -1) { 1638 switch (c) { 1639 case 'a': 1640 do_all = B_TRUE; 1641 break; 1642 case 'c': 1643 cachefile = optarg; 1644 break; 1645 case 'd': 1646 if (searchdirs == NULL) { 1647 searchdirs = safe_malloc(sizeof (char *)); 1648 } else { 1649 char **tmp = safe_malloc((nsearch + 1) * 1650 sizeof (char *)); 1651 bcopy(searchdirs, tmp, nsearch * 1652 sizeof (char *)); 1653 free(searchdirs); 1654 searchdirs = tmp; 1655 } 1656 searchdirs[nsearch++] = optarg; 1657 break; 1658 case 'D': 1659 do_destroyed = B_TRUE; 1660 break; 1661 case 'f': 1662 do_force = B_TRUE; 1663 break; 1664 case 'F': 1665 do_rewind = B_TRUE; 1666 break; 1667 case 'n': 1668 dryrun = B_TRUE; 1669 break; 1670 case 'o': 1671 if ((propval = strchr(optarg, '=')) != NULL) { 1672 *propval = '\0'; 1673 propval++; 1674 if (add_prop_list(optarg, propval, 1675 &props, B_TRUE)) 1676 goto error; 1677 } else { 1678 mntopts = optarg; 1679 } 1680 break; 1681 case 'R': 1682 if (add_prop_list(zpool_prop_to_name( 1683 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1684 goto error; 1685 if (nvlist_lookup_string(props, 1686 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1687 &propval) == 0) 1688 break; 1689 if (add_prop_list(zpool_prop_to_name( 1690 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1691 goto error; 1692 break; 1693 case 'V': 1694 do_verbatim = B_TRUE; 1695 break; 1696 case 'X': 1697 xtreme_rewind = B_TRUE; 1698 break; 1699 case ':': 1700 (void) fprintf(stderr, gettext("missing argument for " 1701 "'%c' option\n"), optopt); 1702 usage(B_FALSE); 1703 break; 1704 case '?': 1705 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1706 optopt); 1707 usage(B_FALSE); 1708 } 1709 } 1710 1711 argc -= optind; 1712 argv += optind; 1713 1714 if (cachefile && nsearch != 0) { 1715 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1716 usage(B_FALSE); 1717 } 1718 1719 if ((dryrun || xtreme_rewind) && !do_rewind) { 1720 (void) fprintf(stderr, 1721 gettext("-n or -X only meaningful with -F\n")); 1722 usage(B_FALSE); 1723 } 1724 if (dryrun) 1725 rewind_policy = ZPOOL_TRY_REWIND; 1726 else if (do_rewind) 1727 rewind_policy = ZPOOL_DO_REWIND; 1728 if (xtreme_rewind) 1729 rewind_policy |= ZPOOL_EXTREME_REWIND; 1730 1731 /* In the future, we can capture further policy and include it here */ 1732 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1733 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1734 goto error; 1735 1736 if (searchdirs == NULL) { 1737 searchdirs = safe_malloc(sizeof (char *)); 1738 searchdirs[0] = "/dev/dsk"; 1739 nsearch = 1; 1740 } 1741 1742 /* check argument count */ 1743 if (do_all) { 1744 if (argc != 0) { 1745 (void) fprintf(stderr, gettext("too many arguments\n")); 1746 usage(B_FALSE); 1747 } 1748 } else { 1749 if (argc > 2) { 1750 (void) fprintf(stderr, gettext("too many arguments\n")); 1751 usage(B_FALSE); 1752 } 1753 1754 /* 1755 * Check for the SYS_CONFIG privilege. We do this explicitly 1756 * here because otherwise any attempt to discover pools will 1757 * silently fail. 1758 */ 1759 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1760 (void) fprintf(stderr, gettext("cannot " 1761 "discover pools: permission denied\n")); 1762 free(searchdirs); 1763 nvlist_free(policy); 1764 return (1); 1765 } 1766 } 1767 1768 /* 1769 * Depending on the arguments given, we do one of the following: 1770 * 1771 * <none> Iterate through all pools and display information about 1772 * each one. 1773 * 1774 * -a Iterate through all pools and try to import each one. 1775 * 1776 * <id> Find the pool that corresponds to the given GUID/pool 1777 * name and import that one. 1778 * 1779 * -D Above options applies only to destroyed pools. 1780 */ 1781 if (argc != 0) { 1782 char *endptr; 1783 1784 errno = 0; 1785 searchguid = strtoull(argv[0], &endptr, 10); 1786 if (errno != 0 || *endptr != '\0') 1787 searchname = argv[0]; 1788 found_config = NULL; 1789 1790 /* 1791 * User specified a name or guid. Ensure it's unique. 1792 */ 1793 idata.unique = B_TRUE; 1794 } 1795 1796 1797 idata.path = searchdirs; 1798 idata.paths = nsearch; 1799 idata.poolname = searchname; 1800 idata.guid = searchguid; 1801 idata.cachefile = cachefile; 1802 1803 pools = zpool_search_import(g_zfs, &idata); 1804 1805 if (pools != NULL && idata.exists && 1806 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 1807 (void) fprintf(stderr, gettext("cannot import '%s': " 1808 "a pool with that name already exists\n"), 1809 argv[0]); 1810 (void) fprintf(stderr, gettext("use the form '%s " 1811 "<pool | id> <newpool>' to give it a new name\n"), 1812 "zpool import"); 1813 err = 1; 1814 } else if (pools == NULL && idata.exists) { 1815 (void) fprintf(stderr, gettext("cannot import '%s': " 1816 "a pool with that name is already created/imported,\n"), 1817 argv[0]); 1818 (void) fprintf(stderr, gettext("and no additional pools " 1819 "with that name were found\n")); 1820 err = 1; 1821 } else if (pools == NULL) { 1822 if (argc != 0) { 1823 (void) fprintf(stderr, gettext("cannot import '%s': " 1824 "no such pool available\n"), argv[0]); 1825 } 1826 err = 1; 1827 } 1828 1829 if (err == 1) { 1830 free(searchdirs); 1831 nvlist_free(policy); 1832 return (1); 1833 } 1834 1835 /* 1836 * At this point we have a list of import candidate configs. Even if 1837 * we were searching by pool name or guid, we still need to 1838 * post-process the list to deal with pool state and possible 1839 * duplicate names. 1840 */ 1841 err = 0; 1842 elem = NULL; 1843 first = B_TRUE; 1844 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1845 1846 verify(nvpair_value_nvlist(elem, &config) == 0); 1847 1848 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1849 &pool_state) == 0); 1850 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1851 continue; 1852 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1853 continue; 1854 1855 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1856 policy) == 0); 1857 1858 if (argc == 0) { 1859 if (first) 1860 first = B_FALSE; 1861 else if (!do_all) 1862 (void) printf("\n"); 1863 1864 if (do_all) { 1865 err |= do_import(config, NULL, mntopts, 1866 do_force, props, do_verbatim); 1867 } else { 1868 show_import(config); 1869 } 1870 } else if (searchname != NULL) { 1871 char *name; 1872 1873 /* 1874 * We are searching for a pool based on name. 1875 */ 1876 verify(nvlist_lookup_string(config, 1877 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1878 1879 if (strcmp(name, searchname) == 0) { 1880 if (found_config != NULL) { 1881 (void) fprintf(stderr, gettext( 1882 "cannot import '%s': more than " 1883 "one matching pool\n"), searchname); 1884 (void) fprintf(stderr, gettext( 1885 "import by numeric ID instead\n")); 1886 err = B_TRUE; 1887 } 1888 found_config = config; 1889 } 1890 } else { 1891 uint64_t guid; 1892 1893 /* 1894 * Search for a pool by guid. 1895 */ 1896 verify(nvlist_lookup_uint64(config, 1897 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1898 1899 if (guid == searchguid) 1900 found_config = config; 1901 } 1902 } 1903 1904 /* 1905 * If we were searching for a specific pool, verify that we found a 1906 * pool, and then do the import. 1907 */ 1908 if (argc != 0 && err == 0) { 1909 if (found_config == NULL) { 1910 (void) fprintf(stderr, gettext("cannot import '%s': " 1911 "no such pool available\n"), argv[0]); 1912 err = B_TRUE; 1913 } else { 1914 err |= do_import(found_config, argc == 1 ? NULL : 1915 argv[1], mntopts, do_force, props, do_verbatim); 1916 } 1917 } 1918 1919 /* 1920 * If we were just looking for pools, report an error if none were 1921 * found. 1922 */ 1923 if (argc == 0 && first) 1924 (void) fprintf(stderr, 1925 gettext("no pools available to import\n")); 1926 1927 error: 1928 nvlist_free(props); 1929 nvlist_free(pools); 1930 nvlist_free(policy); 1931 free(searchdirs); 1932 1933 return (err ? 1 : 0); 1934 } 1935 1936 typedef struct iostat_cbdata { 1937 zpool_list_t *cb_list; 1938 int cb_verbose; 1939 int cb_iteration; 1940 int cb_namewidth; 1941 } iostat_cbdata_t; 1942 1943 static void 1944 print_iostat_separator(iostat_cbdata_t *cb) 1945 { 1946 int i = 0; 1947 1948 for (i = 0; i < cb->cb_namewidth; i++) 1949 (void) printf("-"); 1950 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1951 } 1952 1953 static void 1954 print_iostat_header(iostat_cbdata_t *cb) 1955 { 1956 (void) printf("%*s capacity operations bandwidth\n", 1957 cb->cb_namewidth, ""); 1958 (void) printf("%-*s alloc free read write read write\n", 1959 cb->cb_namewidth, "pool"); 1960 print_iostat_separator(cb); 1961 } 1962 1963 /* 1964 * Display a single statistic. 1965 */ 1966 static void 1967 print_one_stat(uint64_t value) 1968 { 1969 char buf[64]; 1970 1971 zfs_nicenum(value, buf, sizeof (buf)); 1972 (void) printf(" %5s", buf); 1973 } 1974 1975 /* 1976 * Print out all the statistics for the given vdev. This can either be the 1977 * toplevel configuration, or called recursively. If 'name' is NULL, then this 1978 * is a verbose output, and we don't want to display the toplevel pool stats. 1979 */ 1980 void 1981 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 1982 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 1983 { 1984 nvlist_t **oldchild, **newchild; 1985 uint_t c, children; 1986 vdev_stat_t *oldvs, *newvs; 1987 vdev_stat_t zerovs = { 0 }; 1988 uint64_t tdelta; 1989 double scale; 1990 char *vname; 1991 1992 if (oldnv != NULL) { 1993 verify(nvlist_lookup_uint64_array(oldnv, ZPOOL_CONFIG_STATS, 1994 (uint64_t **)&oldvs, &c) == 0); 1995 } else { 1996 oldvs = &zerovs; 1997 } 1998 1999 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_STATS, 2000 (uint64_t **)&newvs, &c) == 0); 2001 2002 if (strlen(name) + depth > cb->cb_namewidth) 2003 (void) printf("%*s%s", depth, "", name); 2004 else 2005 (void) printf("%*s%s%*s", depth, "", name, 2006 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2007 2008 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2009 2010 if (tdelta == 0) 2011 scale = 1.0; 2012 else 2013 scale = (double)NANOSEC / tdelta; 2014 2015 /* only toplevel vdevs have capacity stats */ 2016 if (newvs->vs_space == 0) { 2017 (void) printf(" - -"); 2018 } else { 2019 print_one_stat(newvs->vs_alloc); 2020 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2021 } 2022 2023 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2024 oldvs->vs_ops[ZIO_TYPE_READ]))); 2025 2026 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2027 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2028 2029 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2030 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2031 2032 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2033 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2034 2035 (void) printf("\n"); 2036 2037 if (!cb->cb_verbose) 2038 return; 2039 2040 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2041 &newchild, &children) != 0) 2042 return; 2043 2044 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2045 &oldchild, &c) != 0) 2046 return; 2047 2048 for (c = 0; c < children; c++) { 2049 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2050 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2051 newchild[c], cb, depth + 2); 2052 free(vname); 2053 } 2054 2055 /* 2056 * Include level 2 ARC devices in iostat output 2057 */ 2058 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2059 &newchild, &children) != 0) 2060 return; 2061 2062 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2063 &oldchild, &c) != 0) 2064 return; 2065 2066 if (children > 0) { 2067 (void) printf("%-*s - - - - - " 2068 "-\n", cb->cb_namewidth, "cache"); 2069 for (c = 0; c < children; c++) { 2070 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2071 B_FALSE); 2072 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2073 newchild[c], cb, depth + 2); 2074 free(vname); 2075 } 2076 } 2077 } 2078 2079 static int 2080 refresh_iostat(zpool_handle_t *zhp, void *data) 2081 { 2082 iostat_cbdata_t *cb = data; 2083 boolean_t missing; 2084 2085 /* 2086 * If the pool has disappeared, remove it from the list and continue. 2087 */ 2088 if (zpool_refresh_stats(zhp, &missing) != 0) 2089 return (-1); 2090 2091 if (missing) 2092 pool_list_remove(cb->cb_list, zhp); 2093 2094 return (0); 2095 } 2096 2097 /* 2098 * Callback to print out the iostats for the given pool. 2099 */ 2100 int 2101 print_iostat(zpool_handle_t *zhp, void *data) 2102 { 2103 iostat_cbdata_t *cb = data; 2104 nvlist_t *oldconfig, *newconfig; 2105 nvlist_t *oldnvroot, *newnvroot; 2106 2107 newconfig = zpool_get_config(zhp, &oldconfig); 2108 2109 if (cb->cb_iteration == 1) 2110 oldconfig = NULL; 2111 2112 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2113 &newnvroot) == 0); 2114 2115 if (oldconfig == NULL) 2116 oldnvroot = NULL; 2117 else 2118 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2119 &oldnvroot) == 0); 2120 2121 /* 2122 * Print out the statistics for the pool. 2123 */ 2124 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2125 2126 if (cb->cb_verbose) 2127 print_iostat_separator(cb); 2128 2129 return (0); 2130 } 2131 2132 int 2133 get_namewidth(zpool_handle_t *zhp, void *data) 2134 { 2135 iostat_cbdata_t *cb = data; 2136 nvlist_t *config, *nvroot; 2137 2138 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2139 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2140 &nvroot) == 0); 2141 if (!cb->cb_verbose) 2142 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2143 else 2144 cb->cb_namewidth = max_width(zhp, nvroot, 0, 0); 2145 } 2146 2147 /* 2148 * The width must fall into the range [10,38]. The upper limit is the 2149 * maximum we can have and still fit in 80 columns. 2150 */ 2151 if (cb->cb_namewidth < 10) 2152 cb->cb_namewidth = 10; 2153 if (cb->cb_namewidth > 38) 2154 cb->cb_namewidth = 38; 2155 2156 return (0); 2157 } 2158 2159 /* 2160 * zpool iostat [-T d|u] [-v] [pool] ... [interval [count]] 2161 * 2162 * -T Display a timestamp in date(1) or Unix format 2163 * -v Display statistics for individual vdevs 2164 * 2165 * This command can be tricky because we want to be able to deal with pool 2166 * creation/destruction as well as vdev configuration changes. The bulk of this 2167 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2168 * on pool_list_update() to detect the addition of new pools. Configuration 2169 * changes are all handled within libzfs. 2170 */ 2171 int 2172 zpool_do_iostat(int argc, char **argv) 2173 { 2174 int c; 2175 int ret; 2176 int npools; 2177 unsigned long interval = 0, count = 0; 2178 zpool_list_t *list; 2179 boolean_t verbose = B_FALSE; 2180 iostat_cbdata_t cb; 2181 2182 /* check options */ 2183 while ((c = getopt(argc, argv, "T:v")) != -1) { 2184 switch (c) { 2185 case 'T': 2186 if (optarg) { 2187 if (*optarg == 'u') 2188 timestamp_fmt = UDATE; 2189 else if (*optarg == 'd') 2190 timestamp_fmt = DDATE; 2191 else 2192 usage(B_FALSE); 2193 } else { 2194 usage(B_FALSE); 2195 } 2196 break; 2197 case 'v': 2198 verbose = B_TRUE; 2199 break; 2200 case '?': 2201 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2202 optopt); 2203 usage(B_FALSE); 2204 } 2205 } 2206 2207 argc -= optind; 2208 argv += optind; 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 /* 2227 * Ignore the last parameter 2228 */ 2229 argc--; 2230 } else { 2231 /* 2232 * If this is not a valid number, just plow on. The 2233 * user will get a more informative error message later 2234 * on. 2235 */ 2236 interval = 0; 2237 } 2238 } 2239 2240 /* 2241 * If the last argument is also an integer, then we have both a count 2242 * and an integer. 2243 */ 2244 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2245 char *end; 2246 2247 errno = 0; 2248 count = interval; 2249 interval = strtoul(argv[argc - 1], &end, 10); 2250 2251 if (*end == '\0' && errno == 0) { 2252 if (interval == 0) { 2253 (void) fprintf(stderr, gettext("interval " 2254 "cannot be zero\n")); 2255 usage(B_FALSE); 2256 } 2257 2258 /* 2259 * Ignore the last parameter 2260 */ 2261 argc--; 2262 } else { 2263 interval = 0; 2264 } 2265 } 2266 2267 /* 2268 * Construct the list of all interesting pools. 2269 */ 2270 ret = 0; 2271 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2272 return (1); 2273 2274 if (pool_list_count(list) == 0 && argc != 0) { 2275 pool_list_free(list); 2276 return (1); 2277 } 2278 2279 if (pool_list_count(list) == 0 && interval == 0) { 2280 pool_list_free(list); 2281 (void) fprintf(stderr, gettext("no pools available\n")); 2282 return (1); 2283 } 2284 2285 /* 2286 * Enter the main iostat loop. 2287 */ 2288 cb.cb_list = list; 2289 cb.cb_verbose = verbose; 2290 cb.cb_iteration = 0; 2291 cb.cb_namewidth = 0; 2292 2293 for (;;) { 2294 pool_list_update(list); 2295 2296 if ((npools = pool_list_count(list)) == 0) 2297 break; 2298 2299 /* 2300 * Refresh all statistics. This is done as an explicit step 2301 * before calculating the maximum name width, so that any 2302 * configuration changes are properly accounted for. 2303 */ 2304 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2305 2306 /* 2307 * Iterate over all pools to determine the maximum width 2308 * for the pool / device name column across all pools. 2309 */ 2310 cb.cb_namewidth = 0; 2311 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2312 2313 if (timestamp_fmt != NODATE) 2314 print_timestamp(timestamp_fmt); 2315 2316 /* 2317 * If it's the first time, or verbose mode, print the header. 2318 */ 2319 if (++cb.cb_iteration == 1 || verbose) 2320 print_iostat_header(&cb); 2321 2322 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2323 2324 /* 2325 * If there's more than one pool, and we're not in verbose mode 2326 * (which prints a separator for us), then print a separator. 2327 */ 2328 if (npools > 1 && !verbose) 2329 print_iostat_separator(&cb); 2330 2331 if (verbose) 2332 (void) printf("\n"); 2333 2334 /* 2335 * Flush the output so that redirection to a file isn't buffered 2336 * indefinitely. 2337 */ 2338 (void) fflush(stdout); 2339 2340 if (interval == 0) 2341 break; 2342 2343 if (count != 0 && --count == 0) 2344 break; 2345 2346 (void) sleep(interval); 2347 } 2348 2349 pool_list_free(list); 2350 2351 return (ret); 2352 } 2353 2354 typedef struct list_cbdata { 2355 boolean_t cb_scripted; 2356 boolean_t cb_first; 2357 zprop_list_t *cb_proplist; 2358 } list_cbdata_t; 2359 2360 /* 2361 * Given a list of columns to display, output appropriate headers for each one. 2362 */ 2363 static void 2364 print_header(zprop_list_t *pl) 2365 { 2366 const char *header; 2367 boolean_t first = B_TRUE; 2368 boolean_t right_justify; 2369 2370 for (; pl != NULL; pl = pl->pl_next) { 2371 if (pl->pl_prop == ZPROP_INVAL) 2372 continue; 2373 2374 if (!first) 2375 (void) printf(" "); 2376 else 2377 first = B_FALSE; 2378 2379 header = zpool_prop_column_name(pl->pl_prop); 2380 right_justify = zpool_prop_align_right(pl->pl_prop); 2381 2382 if (pl->pl_next == NULL && !right_justify) 2383 (void) printf("%s", header); 2384 else if (right_justify) 2385 (void) printf("%*s", pl->pl_width, header); 2386 else 2387 (void) printf("%-*s", pl->pl_width, header); 2388 } 2389 2390 (void) printf("\n"); 2391 } 2392 2393 /* 2394 * Given a pool and a list of properties, print out all the properties according 2395 * to the described layout. 2396 */ 2397 static void 2398 print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2399 { 2400 boolean_t first = B_TRUE; 2401 char property[ZPOOL_MAXPROPLEN]; 2402 char *propstr; 2403 boolean_t right_justify; 2404 int width; 2405 2406 for (; pl != NULL; pl = pl->pl_next) { 2407 if (!first) { 2408 if (scripted) 2409 (void) printf("\t"); 2410 else 2411 (void) printf(" "); 2412 } else { 2413 first = B_FALSE; 2414 } 2415 2416 right_justify = B_FALSE; 2417 if (pl->pl_prop != ZPROP_INVAL) { 2418 if (zpool_get_prop(zhp, pl->pl_prop, property, 2419 sizeof (property), NULL) != 0) 2420 propstr = "-"; 2421 else 2422 propstr = property; 2423 2424 right_justify = zpool_prop_align_right(pl->pl_prop); 2425 } else { 2426 propstr = "-"; 2427 } 2428 2429 width = pl->pl_width; 2430 2431 /* 2432 * If this is being called in scripted mode, or if this is the 2433 * last column and it is left-justified, don't include a width 2434 * format specifier. 2435 */ 2436 if (scripted || (pl->pl_next == NULL && !right_justify)) 2437 (void) printf("%s", propstr); 2438 else if (right_justify) 2439 (void) printf("%*s", width, propstr); 2440 else 2441 (void) printf("%-*s", width, propstr); 2442 } 2443 2444 (void) printf("\n"); 2445 } 2446 2447 /* 2448 * Generic callback function to list a pool. 2449 */ 2450 int 2451 list_callback(zpool_handle_t *zhp, void *data) 2452 { 2453 list_cbdata_t *cbp = data; 2454 2455 if (cbp->cb_first) { 2456 if (!cbp->cb_scripted) 2457 print_header(cbp->cb_proplist); 2458 cbp->cb_first = B_FALSE; 2459 } 2460 2461 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2462 2463 return (0); 2464 } 2465 2466 /* 2467 * zpool list [-H] [-o prop[,prop]*] [pool] ... 2468 * 2469 * -H Scripted mode. Don't display headers, and separate properties 2470 * by a single tab. 2471 * -o List of properties to display. Defaults to 2472 * "name,size,allocated,free,capacity,health,altroot" 2473 * 2474 * List all pools in the system, whether or not they're healthy. Output space 2475 * statistics for each one, as well as health status summary. 2476 */ 2477 int 2478 zpool_do_list(int argc, char **argv) 2479 { 2480 int c; 2481 int ret; 2482 list_cbdata_t cb = { 0 }; 2483 static char default_props[] = 2484 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2485 char *props = default_props; 2486 2487 /* check options */ 2488 while ((c = getopt(argc, argv, ":Ho:")) != -1) { 2489 switch (c) { 2490 case 'H': 2491 cb.cb_scripted = B_TRUE; 2492 break; 2493 case 'o': 2494 props = optarg; 2495 break; 2496 case ':': 2497 (void) fprintf(stderr, gettext("missing argument for " 2498 "'%c' option\n"), optopt); 2499 usage(B_FALSE); 2500 break; 2501 case '?': 2502 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2503 optopt); 2504 usage(B_FALSE); 2505 } 2506 } 2507 2508 argc -= optind; 2509 argv += optind; 2510 2511 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2512 usage(B_FALSE); 2513 2514 cb.cb_first = B_TRUE; 2515 2516 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2517 list_callback, &cb); 2518 2519 zprop_free_list(cb.cb_proplist); 2520 2521 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2522 (void) printf(gettext("no pools available\n")); 2523 return (0); 2524 } 2525 2526 return (ret); 2527 } 2528 2529 static nvlist_t * 2530 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2531 { 2532 nvlist_t **child; 2533 uint_t c, children; 2534 nvlist_t *match; 2535 char *path; 2536 2537 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2538 &child, &children) != 0) { 2539 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2540 if (strncmp(name, "/dev/dsk/", 9) == 0) 2541 name += 9; 2542 if (strncmp(path, "/dev/dsk/", 9) == 0) 2543 path += 9; 2544 if (strcmp(name, path) == 0) 2545 return (nv); 2546 return (NULL); 2547 } 2548 2549 for (c = 0; c < children; c++) 2550 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2551 return (match); 2552 2553 return (NULL); 2554 } 2555 2556 static int 2557 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2558 { 2559 boolean_t force = B_FALSE; 2560 int c; 2561 nvlist_t *nvroot; 2562 char *poolname, *old_disk, *new_disk; 2563 zpool_handle_t *zhp; 2564 int ret; 2565 2566 /* check options */ 2567 while ((c = getopt(argc, argv, "f")) != -1) { 2568 switch (c) { 2569 case 'f': 2570 force = B_TRUE; 2571 break; 2572 case '?': 2573 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2574 optopt); 2575 usage(B_FALSE); 2576 } 2577 } 2578 2579 argc -= optind; 2580 argv += optind; 2581 2582 /* get pool name and check number of arguments */ 2583 if (argc < 1) { 2584 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2585 usage(B_FALSE); 2586 } 2587 2588 poolname = argv[0]; 2589 2590 if (argc < 2) { 2591 (void) fprintf(stderr, 2592 gettext("missing <device> specification\n")); 2593 usage(B_FALSE); 2594 } 2595 2596 old_disk = argv[1]; 2597 2598 if (argc < 3) { 2599 if (!replacing) { 2600 (void) fprintf(stderr, 2601 gettext("missing <new_device> specification\n")); 2602 usage(B_FALSE); 2603 } 2604 new_disk = old_disk; 2605 argc -= 1; 2606 argv += 1; 2607 } else { 2608 new_disk = argv[2]; 2609 argc -= 2; 2610 argv += 2; 2611 } 2612 2613 if (argc > 1) { 2614 (void) fprintf(stderr, gettext("too many arguments\n")); 2615 usage(B_FALSE); 2616 } 2617 2618 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2619 return (1); 2620 2621 if (zpool_get_config(zhp, NULL) == NULL) { 2622 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2623 poolname); 2624 zpool_close(zhp); 2625 return (1); 2626 } 2627 2628 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2629 argc, argv); 2630 if (nvroot == NULL) { 2631 zpool_close(zhp); 2632 return (1); 2633 } 2634 2635 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2636 2637 nvlist_free(nvroot); 2638 zpool_close(zhp); 2639 2640 return (ret); 2641 } 2642 2643 /* 2644 * zpool replace [-f] <pool> <device> <new_device> 2645 * 2646 * -f Force attach, even if <new_device> appears to be in use. 2647 * 2648 * Replace <device> with <new_device>. 2649 */ 2650 /* ARGSUSED */ 2651 int 2652 zpool_do_replace(int argc, char **argv) 2653 { 2654 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2655 } 2656 2657 /* 2658 * zpool attach [-f] <pool> <device> <new_device> 2659 * 2660 * -f Force attach, even if <new_device> appears to be in use. 2661 * 2662 * Attach <new_device> to the mirror containing <device>. If <device> is not 2663 * part of a mirror, then <device> will be transformed into a mirror of 2664 * <device> and <new_device>. In either case, <new_device> will begin life 2665 * with a DTL of [0, now], and will immediately begin to resilver itself. 2666 */ 2667 int 2668 zpool_do_attach(int argc, char **argv) 2669 { 2670 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2671 } 2672 2673 /* 2674 * zpool detach [-f] <pool> <device> 2675 * 2676 * -f Force detach of <device>, even if DTLs argue against it 2677 * (not supported yet) 2678 * 2679 * Detach a device from a mirror. The operation will be refused if <device> 2680 * is the last device in the mirror, or if the DTLs indicate that this device 2681 * has the only valid copy of some data. 2682 */ 2683 /* ARGSUSED */ 2684 int 2685 zpool_do_detach(int argc, char **argv) 2686 { 2687 int c; 2688 char *poolname, *path; 2689 zpool_handle_t *zhp; 2690 int ret; 2691 2692 /* check options */ 2693 while ((c = getopt(argc, argv, "f")) != -1) { 2694 switch (c) { 2695 case 'f': 2696 case '?': 2697 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2698 optopt); 2699 usage(B_FALSE); 2700 } 2701 } 2702 2703 argc -= optind; 2704 argv += optind; 2705 2706 /* get pool name and check number of arguments */ 2707 if (argc < 1) { 2708 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2709 usage(B_FALSE); 2710 } 2711 2712 if (argc < 2) { 2713 (void) fprintf(stderr, 2714 gettext("missing <device> specification\n")); 2715 usage(B_FALSE); 2716 } 2717 2718 poolname = argv[0]; 2719 path = argv[1]; 2720 2721 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2722 return (1); 2723 2724 ret = zpool_vdev_detach(zhp, path); 2725 2726 zpool_close(zhp); 2727 2728 return (ret); 2729 } 2730 2731 /* 2732 * zpool split [-n] [-o prop=val] ... 2733 * [-o mntopt] ... 2734 * [-R altroot] <pool> <newpool> [<device> ...] 2735 * 2736 * -n Do not split the pool, but display the resulting layout if 2737 * it were to be split. 2738 * -o Set property=value, or set mount options. 2739 * -R Mount the split-off pool under an alternate root. 2740 * 2741 * Splits the named pool and gives it the new pool name. Devices to be split 2742 * off may be listed, provided that no more than one device is specified 2743 * per top-level vdev mirror. The newly split pool is left in an exported 2744 * state unless -R is specified. 2745 * 2746 * Restrictions: the top-level of the pool pool must only be made up of 2747 * mirrors; all devices in the pool must be healthy; no device may be 2748 * undergoing a resilvering operation. 2749 */ 2750 int 2751 zpool_do_split(int argc, char **argv) 2752 { 2753 char *srcpool, *newpool, *propval; 2754 char *mntopts = NULL; 2755 splitflags_t flags; 2756 int c, ret = 0; 2757 zpool_handle_t *zhp; 2758 nvlist_t *config, *props = NULL; 2759 2760 flags.dryrun = B_FALSE; 2761 flags.import = B_FALSE; 2762 2763 /* check options */ 2764 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2765 switch (c) { 2766 case 'R': 2767 flags.import = B_TRUE; 2768 if (add_prop_list( 2769 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2770 &props, B_TRUE) != 0) { 2771 if (props) 2772 nvlist_free(props); 2773 usage(B_FALSE); 2774 } 2775 break; 2776 case 'n': 2777 flags.dryrun = B_TRUE; 2778 break; 2779 case 'o': 2780 if ((propval = strchr(optarg, '=')) != NULL) { 2781 *propval = '\0'; 2782 propval++; 2783 if (add_prop_list(optarg, propval, 2784 &props, B_TRUE) != 0) { 2785 if (props) 2786 nvlist_free(props); 2787 usage(B_FALSE); 2788 } 2789 } else { 2790 mntopts = optarg; 2791 } 2792 break; 2793 case ':': 2794 (void) fprintf(stderr, gettext("missing argument for " 2795 "'%c' option\n"), optopt); 2796 usage(B_FALSE); 2797 break; 2798 case '?': 2799 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2800 optopt); 2801 usage(B_FALSE); 2802 break; 2803 } 2804 } 2805 2806 if (!flags.import && mntopts != NULL) { 2807 (void) fprintf(stderr, gettext("setting mntopts is only " 2808 "valid when importing the pool\n")); 2809 usage(B_FALSE); 2810 } 2811 2812 argc -= optind; 2813 argv += optind; 2814 2815 if (argc < 1) { 2816 (void) fprintf(stderr, gettext("Missing pool name\n")); 2817 usage(B_FALSE); 2818 } 2819 if (argc < 2) { 2820 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2821 usage(B_FALSE); 2822 } 2823 2824 srcpool = argv[0]; 2825 newpool = argv[1]; 2826 2827 argc -= 2; 2828 argv += 2; 2829 2830 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2831 return (1); 2832 2833 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2834 if (config == NULL) { 2835 ret = 1; 2836 } else { 2837 if (flags.dryrun) { 2838 (void) printf(gettext("would create '%s' with the " 2839 "following layout:\n\n"), newpool); 2840 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2841 } 2842 nvlist_free(config); 2843 } 2844 2845 zpool_close(zhp); 2846 2847 if (ret != 0 || flags.dryrun || !flags.import) 2848 return (ret); 2849 2850 /* 2851 * The split was successful. Now we need to open the new 2852 * pool and import it. 2853 */ 2854 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2855 return (1); 2856 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2857 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2858 ret = 1; 2859 (void) fprintf(stderr, gettext("Split was succssful, but " 2860 "the datasets could not all be mounted\n")); 2861 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2862 "different altroot\n"), "zpool import"); 2863 } 2864 zpool_close(zhp); 2865 2866 return (ret); 2867 } 2868 2869 2870 2871 /* 2872 * zpool online <pool> <device> ... 2873 */ 2874 int 2875 zpool_do_online(int argc, char **argv) 2876 { 2877 int c, i; 2878 char *poolname; 2879 zpool_handle_t *zhp; 2880 int ret = 0; 2881 vdev_state_t newstate; 2882 int flags = 0; 2883 2884 /* check options */ 2885 while ((c = getopt(argc, argv, "et")) != -1) { 2886 switch (c) { 2887 case 'e': 2888 flags |= ZFS_ONLINE_EXPAND; 2889 break; 2890 case 't': 2891 case '?': 2892 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2893 optopt); 2894 usage(B_FALSE); 2895 } 2896 } 2897 2898 argc -= optind; 2899 argv += optind; 2900 2901 /* get pool name and check number of arguments */ 2902 if (argc < 1) { 2903 (void) fprintf(stderr, gettext("missing pool name\n")); 2904 usage(B_FALSE); 2905 } 2906 if (argc < 2) { 2907 (void) fprintf(stderr, gettext("missing device name\n")); 2908 usage(B_FALSE); 2909 } 2910 2911 poolname = argv[0]; 2912 2913 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2914 return (1); 2915 2916 for (i = 1; i < argc; i++) { 2917 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 2918 if (newstate != VDEV_STATE_HEALTHY) { 2919 (void) printf(gettext("warning: device '%s' " 2920 "onlined, but remains in faulted state\n"), 2921 argv[i]); 2922 if (newstate == VDEV_STATE_FAULTED) 2923 (void) printf(gettext("use 'zpool " 2924 "clear' to restore a faulted " 2925 "device\n")); 2926 else 2927 (void) printf(gettext("use 'zpool " 2928 "replace' to replace devices " 2929 "that are no longer present\n")); 2930 } 2931 } else { 2932 ret = 1; 2933 } 2934 } 2935 2936 zpool_close(zhp); 2937 2938 return (ret); 2939 } 2940 2941 /* 2942 * zpool offline [-ft] <pool> <device> ... 2943 * 2944 * -f Force the device into the offline state, even if doing 2945 * so would appear to compromise pool availability. 2946 * (not supported yet) 2947 * 2948 * -t Only take the device off-line temporarily. The offline 2949 * state will not be persistent across reboots. 2950 */ 2951 /* ARGSUSED */ 2952 int 2953 zpool_do_offline(int argc, char **argv) 2954 { 2955 int c, i; 2956 char *poolname; 2957 zpool_handle_t *zhp; 2958 int ret = 0; 2959 boolean_t istmp = B_FALSE; 2960 2961 /* check options */ 2962 while ((c = getopt(argc, argv, "ft")) != -1) { 2963 switch (c) { 2964 case 't': 2965 istmp = B_TRUE; 2966 break; 2967 case 'f': 2968 case '?': 2969 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2970 optopt); 2971 usage(B_FALSE); 2972 } 2973 } 2974 2975 argc -= optind; 2976 argv += optind; 2977 2978 /* get pool name and check number of arguments */ 2979 if (argc < 1) { 2980 (void) fprintf(stderr, gettext("missing pool name\n")); 2981 usage(B_FALSE); 2982 } 2983 if (argc < 2) { 2984 (void) fprintf(stderr, gettext("missing device name\n")); 2985 usage(B_FALSE); 2986 } 2987 2988 poolname = argv[0]; 2989 2990 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2991 return (1); 2992 2993 for (i = 1; i < argc; i++) { 2994 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 2995 ret = 1; 2996 } 2997 2998 zpool_close(zhp); 2999 3000 return (ret); 3001 } 3002 3003 /* 3004 * zpool clear <pool> [device] 3005 * 3006 * Clear all errors associated with a pool or a particular device. 3007 */ 3008 int 3009 zpool_do_clear(int argc, char **argv) 3010 { 3011 int c; 3012 int ret = 0; 3013 boolean_t dryrun = B_FALSE; 3014 boolean_t do_rewind = B_FALSE; 3015 boolean_t xtreme_rewind = B_FALSE; 3016 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3017 nvlist_t *policy = NULL; 3018 zpool_handle_t *zhp; 3019 char *pool, *device; 3020 3021 /* check options */ 3022 while ((c = getopt(argc, argv, "FnX")) != -1) { 3023 switch (c) { 3024 case 'F': 3025 do_rewind = B_TRUE; 3026 break; 3027 case 'n': 3028 dryrun = B_TRUE; 3029 break; 3030 case 'X': 3031 xtreme_rewind = B_TRUE; 3032 break; 3033 case '?': 3034 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3035 optopt); 3036 usage(B_FALSE); 3037 } 3038 } 3039 3040 argc -= optind; 3041 argv += optind; 3042 3043 if (argc < 1) { 3044 (void) fprintf(stderr, gettext("missing pool name\n")); 3045 usage(B_FALSE); 3046 } 3047 3048 if (argc > 2) { 3049 (void) fprintf(stderr, gettext("too many arguments\n")); 3050 usage(B_FALSE); 3051 } 3052 3053 if ((dryrun || xtreme_rewind) && !do_rewind) { 3054 (void) fprintf(stderr, 3055 gettext("-n or -X only meaningful with -F\n")); 3056 usage(B_FALSE); 3057 } 3058 if (dryrun) 3059 rewind_policy = ZPOOL_TRY_REWIND; 3060 else if (do_rewind) 3061 rewind_policy = ZPOOL_DO_REWIND; 3062 if (xtreme_rewind) 3063 rewind_policy |= ZPOOL_EXTREME_REWIND; 3064 3065 /* In future, further rewind policy choices can be passed along here */ 3066 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3067 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3068 return (1); 3069 3070 pool = argv[0]; 3071 device = argc == 2 ? argv[1] : NULL; 3072 3073 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3074 nvlist_free(policy); 3075 return (1); 3076 } 3077 3078 if (zpool_clear(zhp, device, policy) != 0) 3079 ret = 1; 3080 3081 zpool_close(zhp); 3082 3083 nvlist_free(policy); 3084 3085 return (ret); 3086 } 3087 3088 typedef struct scrub_cbdata { 3089 int cb_type; 3090 int cb_argc; 3091 char **cb_argv; 3092 } scrub_cbdata_t; 3093 3094 int 3095 scrub_callback(zpool_handle_t *zhp, void *data) 3096 { 3097 scrub_cbdata_t *cb = data; 3098 int err; 3099 3100 /* 3101 * Ignore faulted pools. 3102 */ 3103 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3104 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3105 "currently unavailable\n"), zpool_get_name(zhp)); 3106 return (1); 3107 } 3108 3109 err = zpool_scrub(zhp, cb->cb_type); 3110 3111 return (err != 0); 3112 } 3113 3114 /* 3115 * zpool scrub [-s] <pool> ... 3116 * 3117 * -s Stop. Stops any in-progress scrub. 3118 */ 3119 int 3120 zpool_do_scrub(int argc, char **argv) 3121 { 3122 int c; 3123 scrub_cbdata_t cb; 3124 3125 cb.cb_type = POOL_SCRUB_EVERYTHING; 3126 3127 /* check options */ 3128 while ((c = getopt(argc, argv, "s")) != -1) { 3129 switch (c) { 3130 case 's': 3131 cb.cb_type = POOL_SCRUB_NONE; 3132 break; 3133 case '?': 3134 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3135 optopt); 3136 usage(B_FALSE); 3137 } 3138 } 3139 3140 cb.cb_argc = argc; 3141 cb.cb_argv = argv; 3142 argc -= optind; 3143 argv += optind; 3144 3145 if (argc < 1) { 3146 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3147 usage(B_FALSE); 3148 } 3149 3150 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3151 } 3152 3153 typedef struct status_cbdata { 3154 int cb_count; 3155 boolean_t cb_allpools; 3156 boolean_t cb_verbose; 3157 boolean_t cb_explain; 3158 boolean_t cb_first; 3159 boolean_t cb_dedup_stats; 3160 } status_cbdata_t; 3161 3162 /* 3163 * Print out detailed scrub status. 3164 */ 3165 void 3166 print_scrub_status(nvlist_t *nvroot) 3167 { 3168 vdev_stat_t *vs; 3169 uint_t vsc; 3170 time_t start, end, now; 3171 double fraction_done; 3172 uint64_t examined, total, minutes_left, minutes_taken; 3173 char *scrub_type; 3174 3175 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS, 3176 (uint64_t **)&vs, &vsc) == 0); 3177 3178 /* 3179 * If there's never been a scrub, there's not much to say. 3180 */ 3181 if (vs->vs_scrub_end == 0 && vs->vs_scrub_type == POOL_SCRUB_NONE) { 3182 (void) printf(gettext("none requested\n")); 3183 return; 3184 } 3185 3186 scrub_type = (vs->vs_scrub_type == POOL_SCRUB_RESILVER) ? 3187 "resilver" : "scrub"; 3188 3189 start = vs->vs_scrub_start; 3190 end = vs->vs_scrub_end; 3191 now = time(NULL); 3192 examined = vs->vs_scrub_examined; 3193 total = vs->vs_alloc; 3194 3195 if (end != 0) { 3196 minutes_taken = (uint64_t)((end - start) / 60); 3197 3198 (void) printf(gettext("%s %s after %lluh%um with %llu errors " 3199 "on %s"), 3200 scrub_type, vs->vs_scrub_complete ? "completed" : "stopped", 3201 (u_longlong_t)(minutes_taken / 60), 3202 (uint_t)(minutes_taken % 60), 3203 (u_longlong_t)vs->vs_scrub_errors, ctime(&end)); 3204 return; 3205 } 3206 3207 if (examined == 0) 3208 examined = 1; 3209 if (examined > total) 3210 total = examined; 3211 3212 fraction_done = (double)examined / total; 3213 minutes_left = (uint64_t)((now - start) * 3214 (1 - fraction_done) / fraction_done / 60); 3215 minutes_taken = (uint64_t)((now - start) / 60); 3216 3217 (void) printf(gettext("%s in progress for %lluh%um, %.2f%% done, " 3218 "%lluh%um to go\n"), 3219 scrub_type, (u_longlong_t)(minutes_taken / 60), 3220 (uint_t)(minutes_taken % 60), 100 * fraction_done, 3221 (u_longlong_t)(minutes_left / 60), (uint_t)(minutes_left % 60)); 3222 } 3223 3224 static void 3225 print_error_log(zpool_handle_t *zhp) 3226 { 3227 nvlist_t *nverrlist = NULL; 3228 nvpair_t *elem; 3229 char *pathname; 3230 size_t len = MAXPATHLEN * 2; 3231 3232 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3233 (void) printf("errors: List of errors unavailable " 3234 "(insufficient privileges)\n"); 3235 return; 3236 } 3237 3238 (void) printf("errors: Permanent errors have been " 3239 "detected in the following files:\n\n"); 3240 3241 pathname = safe_malloc(len); 3242 elem = NULL; 3243 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3244 nvlist_t *nv; 3245 uint64_t dsobj, obj; 3246 3247 verify(nvpair_value_nvlist(elem, &nv) == 0); 3248 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3249 &dsobj) == 0); 3250 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3251 &obj) == 0); 3252 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3253 (void) printf("%7s %s\n", "", pathname); 3254 } 3255 free(pathname); 3256 nvlist_free(nverrlist); 3257 } 3258 3259 static void 3260 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3261 int namewidth) 3262 { 3263 uint_t i; 3264 char *name; 3265 3266 if (nspares == 0) 3267 return; 3268 3269 (void) printf(gettext("\tspares\n")); 3270 3271 for (i = 0; i < nspares; i++) { 3272 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3273 print_status_config(zhp, name, spares[i], 3274 namewidth, 2, B_TRUE); 3275 free(name); 3276 } 3277 } 3278 3279 static void 3280 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3281 int namewidth) 3282 { 3283 uint_t i; 3284 char *name; 3285 3286 if (nl2cache == 0) 3287 return; 3288 3289 (void) printf(gettext("\tcache\n")); 3290 3291 for (i = 0; i < nl2cache; i++) { 3292 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3293 print_status_config(zhp, name, l2cache[i], 3294 namewidth, 2, B_FALSE); 3295 free(name); 3296 } 3297 } 3298 3299 static void 3300 print_dedup_stats(nvlist_t *config) 3301 { 3302 ddt_histogram_t *ddh; 3303 ddt_stat_t *dds; 3304 ddt_object_t *ddo; 3305 uint_t c; 3306 3307 /* 3308 * If the pool was faulted then we may not have been able to 3309 * obtain the config. Otherwise, if have anything in the dedup 3310 * table continue processing the stats. 3311 */ 3312 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3313 (uint64_t **)&ddo, &c) != 0 || ddo->ddo_count == 0) 3314 return; 3315 3316 (void) printf("\n"); 3317 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3318 (u_longlong_t)ddo->ddo_count, 3319 (u_longlong_t)ddo->ddo_dspace, 3320 (u_longlong_t)ddo->ddo_mspace); 3321 3322 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3323 (uint64_t **)&dds, &c) == 0); 3324 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3325 (uint64_t **)&ddh, &c) == 0); 3326 zpool_dump_ddt(dds, ddh); 3327 } 3328 3329 /* 3330 * Display a summary of pool status. Displays a summary such as: 3331 * 3332 * pool: tank 3333 * status: DEGRADED 3334 * reason: One or more devices ... 3335 * see: http://www.sun.com/msg/ZFS-xxxx-01 3336 * config: 3337 * mirror DEGRADED 3338 * c1t0d0 OK 3339 * c2t0d0 UNAVAIL 3340 * 3341 * When given the '-v' option, we print out the complete config. If the '-e' 3342 * option is specified, then we print out error rate information as well. 3343 */ 3344 int 3345 status_callback(zpool_handle_t *zhp, void *data) 3346 { 3347 status_cbdata_t *cbp = data; 3348 nvlist_t *config, *nvroot; 3349 char *msgid; 3350 int reason; 3351 const char *health; 3352 uint_t c; 3353 vdev_stat_t *vs; 3354 3355 config = zpool_get_config(zhp, NULL); 3356 reason = zpool_get_status(zhp, &msgid); 3357 3358 cbp->cb_count++; 3359 3360 /* 3361 * If we were given 'zpool status -x', only report those pools with 3362 * problems. 3363 */ 3364 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3365 if (!cbp->cb_allpools) { 3366 (void) printf(gettext("pool '%s' is healthy\n"), 3367 zpool_get_name(zhp)); 3368 if (cbp->cb_first) 3369 cbp->cb_first = B_FALSE; 3370 } 3371 return (0); 3372 } 3373 3374 if (cbp->cb_first) 3375 cbp->cb_first = B_FALSE; 3376 else 3377 (void) printf("\n"); 3378 3379 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3380 &nvroot) == 0); 3381 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_STATS, 3382 (uint64_t **)&vs, &c) == 0); 3383 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3384 3385 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3386 (void) printf(gettext(" state: %s\n"), health); 3387 3388 switch (reason) { 3389 case ZPOOL_STATUS_MISSING_DEV_R: 3390 (void) printf(gettext("status: One or more devices could not " 3391 "be opened. Sufficient replicas exist for\n\tthe pool to " 3392 "continue functioning in a degraded state.\n")); 3393 (void) printf(gettext("action: Attach the missing device and " 3394 "online it using 'zpool online'.\n")); 3395 break; 3396 3397 case ZPOOL_STATUS_MISSING_DEV_NR: 3398 (void) printf(gettext("status: One or more devices could not " 3399 "be opened. There are insufficient\n\treplicas for the " 3400 "pool to continue functioning.\n")); 3401 (void) printf(gettext("action: Attach the missing device and " 3402 "online it using 'zpool online'.\n")); 3403 break; 3404 3405 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3406 (void) printf(gettext("status: One or more devices could not " 3407 "be used because the label is missing or\n\tinvalid. " 3408 "Sufficient replicas exist for the pool to continue\n\t" 3409 "functioning in a degraded state.\n")); 3410 (void) printf(gettext("action: Replace the device using " 3411 "'zpool replace'.\n")); 3412 break; 3413 3414 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3415 (void) printf(gettext("status: One or more devices could not " 3416 "be used because the label is missing \n\tor invalid. " 3417 "There are insufficient replicas for the pool to " 3418 "continue\n\tfunctioning.\n")); 3419 zpool_explain_recover(zpool_get_handle(zhp), 3420 zpool_get_name(zhp), reason, config); 3421 break; 3422 3423 case ZPOOL_STATUS_FAILING_DEV: 3424 (void) printf(gettext("status: One or more devices has " 3425 "experienced an unrecoverable error. An\n\tattempt was " 3426 "made to correct the error. Applications are " 3427 "unaffected.\n")); 3428 (void) printf(gettext("action: Determine if the device needs " 3429 "to be replaced, and clear the errors\n\tusing " 3430 "'zpool clear' or replace the device with 'zpool " 3431 "replace'.\n")); 3432 break; 3433 3434 case ZPOOL_STATUS_OFFLINE_DEV: 3435 (void) printf(gettext("status: One or more devices has " 3436 "been taken offline by the administrator.\n\tSufficient " 3437 "replicas exist for the pool to continue functioning in " 3438 "a\n\tdegraded state.\n")); 3439 (void) printf(gettext("action: Online the device using " 3440 "'zpool online' or replace the device with\n\t'zpool " 3441 "replace'.\n")); 3442 break; 3443 3444 case ZPOOL_STATUS_REMOVED_DEV: 3445 (void) printf(gettext("status: One or more devices has " 3446 "been removed by the administrator.\n\tSufficient " 3447 "replicas exist for the pool to continue functioning in " 3448 "a\n\tdegraded state.\n")); 3449 (void) printf(gettext("action: Online the device using " 3450 "'zpool online' or replace the device with\n\t'zpool " 3451 "replace'.\n")); 3452 break; 3453 3454 3455 case ZPOOL_STATUS_RESILVERING: 3456 (void) printf(gettext("status: One or more devices is " 3457 "currently being resilvered. The pool will\n\tcontinue " 3458 "to function, possibly in a degraded state.\n")); 3459 (void) printf(gettext("action: Wait for the resilver to " 3460 "complete.\n")); 3461 break; 3462 3463 case ZPOOL_STATUS_CORRUPT_DATA: 3464 (void) printf(gettext("status: One or more devices has " 3465 "experienced an error resulting in data\n\tcorruption. " 3466 "Applications may be affected.\n")); 3467 (void) printf(gettext("action: Restore the file in question " 3468 "if possible. Otherwise restore the\n\tentire pool from " 3469 "backup.\n")); 3470 break; 3471 3472 case ZPOOL_STATUS_CORRUPT_POOL: 3473 (void) printf(gettext("status: The pool metadata is corrupted " 3474 "and the pool cannot be opened.\n")); 3475 zpool_explain_recover(zpool_get_handle(zhp), 3476 zpool_get_name(zhp), reason, config); 3477 break; 3478 3479 case ZPOOL_STATUS_VERSION_OLDER: 3480 (void) printf(gettext("status: The pool is formatted using an " 3481 "older on-disk format. The pool can\n\tstill be used, but " 3482 "some features are unavailable.\n")); 3483 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3484 "upgrade'. Once this is done, the\n\tpool will no longer " 3485 "be accessible on older software versions.\n")); 3486 break; 3487 3488 case ZPOOL_STATUS_VERSION_NEWER: 3489 (void) printf(gettext("status: The pool has been upgraded to a " 3490 "newer, incompatible on-disk version.\n\tThe pool cannot " 3491 "be accessed on this system.\n")); 3492 (void) printf(gettext("action: Access the pool from a system " 3493 "running more recent software, or\n\trestore the pool from " 3494 "backup.\n")); 3495 break; 3496 3497 case ZPOOL_STATUS_FAULTED_DEV_R: 3498 (void) printf(gettext("status: One or more devices are " 3499 "faulted in response to persistent errors.\n\tSufficient " 3500 "replicas exist for the pool to continue functioning " 3501 "in a\n\tdegraded state.\n")); 3502 (void) printf(gettext("action: Replace the faulted device, " 3503 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3504 break; 3505 3506 case ZPOOL_STATUS_FAULTED_DEV_NR: 3507 (void) printf(gettext("status: One or more devices are " 3508 "faulted in response to persistent errors. There are " 3509 "insufficient replicas for the pool to\n\tcontinue " 3510 "functioning.\n")); 3511 (void) printf(gettext("action: Destroy and re-create the pool " 3512 "from a backup source. Manually marking the device\n" 3513 "\trepaired using 'zpool clear' may allow some data " 3514 "to be recovered.\n")); 3515 break; 3516 3517 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3518 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3519 (void) printf(gettext("status: One or more devices are " 3520 "faulted in response to IO failures.\n")); 3521 (void) printf(gettext("action: Make sure the affected devices " 3522 "are connected, then run 'zpool clear'.\n")); 3523 break; 3524 3525 case ZPOOL_STATUS_BAD_LOG: 3526 (void) printf(gettext("status: An intent log record " 3527 "could not be read.\n" 3528 "\tWaiting for adminstrator intervention to fix the " 3529 "faulted pool.\n")); 3530 (void) printf(gettext("action: Either restore the affected " 3531 "device(s) and run 'zpool online',\n" 3532 "\tor ignore the intent log records by running " 3533 "'zpool clear'.\n")); 3534 break; 3535 3536 default: 3537 /* 3538 * The remaining errors can't actually be generated, yet. 3539 */ 3540 assert(reason == ZPOOL_STATUS_OK); 3541 } 3542 3543 if (msgid != NULL) 3544 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3545 msgid); 3546 3547 if (config != NULL) { 3548 int namewidth; 3549 uint64_t nerr; 3550 nvlist_t **spares, **l2cache; 3551 uint_t nspares, nl2cache; 3552 3553 3554 (void) printf(gettext(" scrub: ")); 3555 print_scrub_status(nvroot); 3556 3557 namewidth = max_width(zhp, nvroot, 0, 0); 3558 if (namewidth < 10) 3559 namewidth = 10; 3560 3561 (void) printf(gettext("config:\n\n")); 3562 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3563 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3564 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3565 namewidth, 0, B_FALSE); 3566 3567 if (num_logs(nvroot) > 0) 3568 print_logs(zhp, nvroot, namewidth, B_TRUE); 3569 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3570 &l2cache, &nl2cache) == 0) 3571 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3572 3573 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3574 &spares, &nspares) == 0) 3575 print_spares(zhp, spares, nspares, namewidth); 3576 3577 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3578 &nerr) == 0) { 3579 nvlist_t *nverrlist = NULL; 3580 3581 /* 3582 * If the approximate error count is small, get a 3583 * precise count by fetching the entire log and 3584 * uniquifying the results. 3585 */ 3586 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3587 zpool_get_errlog(zhp, &nverrlist) == 0) { 3588 nvpair_t *elem; 3589 3590 elem = NULL; 3591 nerr = 0; 3592 while ((elem = nvlist_next_nvpair(nverrlist, 3593 elem)) != NULL) { 3594 nerr++; 3595 } 3596 } 3597 nvlist_free(nverrlist); 3598 3599 (void) printf("\n"); 3600 3601 if (nerr == 0) 3602 (void) printf(gettext("errors: No known data " 3603 "errors\n")); 3604 else if (!cbp->cb_verbose) 3605 (void) printf(gettext("errors: %llu data " 3606 "errors, use '-v' for a list\n"), 3607 (u_longlong_t)nerr); 3608 else 3609 print_error_log(zhp); 3610 } 3611 3612 if (cbp->cb_dedup_stats) 3613 print_dedup_stats(config); 3614 } else { 3615 (void) printf(gettext("config: The configuration cannot be " 3616 "determined.\n")); 3617 } 3618 3619 return (0); 3620 } 3621 3622 /* 3623 * zpool status [-vx] [pool] ... 3624 * 3625 * -v Display complete error logs 3626 * -x Display only pools with potential problems 3627 * -D Display dedup status (undocumented) 3628 * 3629 * Describes the health status of all pools or some subset. 3630 */ 3631 int 3632 zpool_do_status(int argc, char **argv) 3633 { 3634 int c; 3635 int ret; 3636 status_cbdata_t cb = { 0 }; 3637 3638 /* check options */ 3639 while ((c = getopt(argc, argv, "vxD")) != -1) { 3640 switch (c) { 3641 case 'v': 3642 cb.cb_verbose = B_TRUE; 3643 break; 3644 case 'x': 3645 cb.cb_explain = B_TRUE; 3646 break; 3647 case 'D': 3648 cb.cb_dedup_stats = B_TRUE; 3649 break; 3650 case '?': 3651 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3652 optopt); 3653 usage(B_FALSE); 3654 } 3655 } 3656 3657 argc -= optind; 3658 argv += optind; 3659 3660 cb.cb_first = B_TRUE; 3661 3662 if (argc == 0) 3663 cb.cb_allpools = B_TRUE; 3664 3665 ret = for_each_pool(argc, argv, B_TRUE, NULL, status_callback, &cb); 3666 3667 if (argc == 0 && cb.cb_count == 0) 3668 (void) printf(gettext("no pools available\n")); 3669 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3670 (void) printf(gettext("all pools are healthy\n")); 3671 3672 return (ret); 3673 } 3674 3675 typedef struct upgrade_cbdata { 3676 int cb_all; 3677 int cb_first; 3678 int cb_newer; 3679 int cb_argc; 3680 uint64_t cb_version; 3681 char **cb_argv; 3682 } upgrade_cbdata_t; 3683 3684 static int 3685 upgrade_cb(zpool_handle_t *zhp, void *arg) 3686 { 3687 upgrade_cbdata_t *cbp = arg; 3688 nvlist_t *config; 3689 uint64_t version; 3690 int ret = 0; 3691 3692 config = zpool_get_config(zhp, NULL); 3693 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3694 &version) == 0); 3695 3696 if (!cbp->cb_newer && version < SPA_VERSION) { 3697 if (!cbp->cb_all) { 3698 if (cbp->cb_first) { 3699 (void) printf(gettext("The following pools are " 3700 "out of date, and can be upgraded. After " 3701 "being\nupgraded, these pools will no " 3702 "longer be accessible by older software " 3703 "versions.\n\n")); 3704 (void) printf(gettext("VER POOL\n")); 3705 (void) printf(gettext("--- ------------\n")); 3706 cbp->cb_first = B_FALSE; 3707 } 3708 3709 (void) printf("%2llu %s\n", (u_longlong_t)version, 3710 zpool_get_name(zhp)); 3711 } else { 3712 cbp->cb_first = B_FALSE; 3713 ret = zpool_upgrade(zhp, cbp->cb_version); 3714 if (!ret) { 3715 (void) printf(gettext("Successfully upgraded " 3716 "'%s'\n\n"), zpool_get_name(zhp)); 3717 } 3718 } 3719 } else if (cbp->cb_newer && version > SPA_VERSION) { 3720 assert(!cbp->cb_all); 3721 3722 if (cbp->cb_first) { 3723 (void) printf(gettext("The following pools are " 3724 "formatted using a newer software version and\n" 3725 "cannot be accessed on the current system.\n\n")); 3726 (void) printf(gettext("VER POOL\n")); 3727 (void) printf(gettext("--- ------------\n")); 3728 cbp->cb_first = B_FALSE; 3729 } 3730 3731 (void) printf("%2llu %s\n", (u_longlong_t)version, 3732 zpool_get_name(zhp)); 3733 } 3734 3735 zpool_close(zhp); 3736 return (ret); 3737 } 3738 3739 /* ARGSUSED */ 3740 static int 3741 upgrade_one(zpool_handle_t *zhp, void *data) 3742 { 3743 upgrade_cbdata_t *cbp = data; 3744 uint64_t cur_version; 3745 int ret; 3746 3747 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3748 (void) printf(gettext("'log' is now a reserved word\n" 3749 "Pool 'log' must be renamed using export and import" 3750 " to upgrade.\n")); 3751 return (1); 3752 } 3753 3754 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 3755 if (cur_version > cbp->cb_version) { 3756 (void) printf(gettext("Pool '%s' is already formatted " 3757 "using more current version '%llu'.\n"), 3758 zpool_get_name(zhp), cur_version); 3759 return (0); 3760 } 3761 if (cur_version == cbp->cb_version) { 3762 (void) printf(gettext("Pool '%s' is already formatted " 3763 "using the current version.\n"), zpool_get_name(zhp)); 3764 return (0); 3765 } 3766 3767 ret = zpool_upgrade(zhp, cbp->cb_version); 3768 3769 if (!ret) { 3770 (void) printf(gettext("Successfully upgraded '%s' " 3771 "from version %llu to version %llu\n\n"), 3772 zpool_get_name(zhp), (u_longlong_t)cur_version, 3773 (u_longlong_t)cbp->cb_version); 3774 } 3775 3776 return (ret != 0); 3777 } 3778 3779 /* 3780 * zpool upgrade 3781 * zpool upgrade -v 3782 * zpool upgrade [-V version] <-a | pool ...> 3783 * 3784 * With no arguments, display downrev'd ZFS pool available for upgrade. 3785 * Individual pools can be upgraded by specifying the pool, and '-a' will 3786 * upgrade all pools. 3787 */ 3788 int 3789 zpool_do_upgrade(int argc, char **argv) 3790 { 3791 int c; 3792 upgrade_cbdata_t cb = { 0 }; 3793 int ret = 0; 3794 boolean_t showversions = B_FALSE; 3795 char *end; 3796 3797 3798 /* check options */ 3799 while ((c = getopt(argc, argv, ":avV:")) != -1) { 3800 switch (c) { 3801 case 'a': 3802 cb.cb_all = B_TRUE; 3803 break; 3804 case 'v': 3805 showversions = B_TRUE; 3806 break; 3807 case 'V': 3808 cb.cb_version = strtoll(optarg, &end, 10); 3809 if (*end != '\0' || cb.cb_version > SPA_VERSION || 3810 cb.cb_version < SPA_VERSION_1) { 3811 (void) fprintf(stderr, 3812 gettext("invalid version '%s'\n"), optarg); 3813 usage(B_FALSE); 3814 } 3815 break; 3816 case ':': 3817 (void) fprintf(stderr, gettext("missing argument for " 3818 "'%c' option\n"), optopt); 3819 usage(B_FALSE); 3820 break; 3821 case '?': 3822 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3823 optopt); 3824 usage(B_FALSE); 3825 } 3826 } 3827 3828 cb.cb_argc = argc; 3829 cb.cb_argv = argv; 3830 argc -= optind; 3831 argv += optind; 3832 3833 if (cb.cb_version == 0) { 3834 cb.cb_version = SPA_VERSION; 3835 } else if (!cb.cb_all && argc == 0) { 3836 (void) fprintf(stderr, gettext("-V option is " 3837 "incompatible with other arguments\n")); 3838 usage(B_FALSE); 3839 } 3840 3841 if (showversions) { 3842 if (cb.cb_all || argc != 0) { 3843 (void) fprintf(stderr, gettext("-v option is " 3844 "incompatible with other arguments\n")); 3845 usage(B_FALSE); 3846 } 3847 } else if (cb.cb_all) { 3848 if (argc != 0) { 3849 (void) fprintf(stderr, gettext("-a option should not " 3850 "be used along with a pool name\n")); 3851 usage(B_FALSE); 3852 } 3853 } 3854 3855 (void) printf(gettext("This system is currently running " 3856 "ZFS pool version %llu.\n\n"), SPA_VERSION); 3857 cb.cb_first = B_TRUE; 3858 if (showversions) { 3859 (void) printf(gettext("The following versions are " 3860 "supported:\n\n")); 3861 (void) printf(gettext("VER DESCRIPTION\n")); 3862 (void) printf("--- -----------------------------------------" 3863 "---------------\n"); 3864 (void) printf(gettext(" 1 Initial ZFS version\n")); 3865 (void) printf(gettext(" 2 Ditto blocks " 3866 "(replicated metadata)\n")); 3867 (void) printf(gettext(" 3 Hot spares and double parity " 3868 "RAID-Z\n")); 3869 (void) printf(gettext(" 4 zpool history\n")); 3870 (void) printf(gettext(" 5 Compression using the gzip " 3871 "algorithm\n")); 3872 (void) printf(gettext(" 6 bootfs pool property\n")); 3873 (void) printf(gettext(" 7 Separate intent log devices\n")); 3874 (void) printf(gettext(" 8 Delegated administration\n")); 3875 (void) printf(gettext(" 9 refquota and refreservation " 3876 "properties\n")); 3877 (void) printf(gettext(" 10 Cache devices\n")); 3878 (void) printf(gettext(" 11 Improved scrub performance\n")); 3879 (void) printf(gettext(" 12 Snapshot properties\n")); 3880 (void) printf(gettext(" 13 snapused property\n")); 3881 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 3882 (void) printf(gettext(" 15 user/group space accounting\n")); 3883 (void) printf(gettext(" 16 stmf property support\n")); 3884 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 3885 (void) printf(gettext(" 18 Snapshot user holds\n")); 3886 (void) printf(gettext(" 19 Log device removal\n")); 3887 (void) printf(gettext(" 20 Compression using zle " 3888 "(zero-length encoding)\n")); 3889 (void) printf(gettext(" 21 Deduplication\n")); 3890 (void) printf(gettext(" 22 Received properties\n")); 3891 (void) printf(gettext(" 23 Slim ZIL\n")); 3892 (void) printf(gettext("\nFor more information on a particular " 3893 "version, including supported releases, see:\n\n")); 3894 (void) printf("http://www.opensolaris.org/os/community/zfs/" 3895 "version/N\n\n"); 3896 (void) printf(gettext("Where 'N' is the version number.\n")); 3897 } else if (argc == 0) { 3898 int notfound; 3899 3900 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 3901 notfound = cb.cb_first; 3902 3903 if (!cb.cb_all && ret == 0) { 3904 if (!cb.cb_first) 3905 (void) printf("\n"); 3906 cb.cb_first = B_TRUE; 3907 cb.cb_newer = B_TRUE; 3908 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 3909 if (!cb.cb_first) { 3910 notfound = B_FALSE; 3911 (void) printf("\n"); 3912 } 3913 } 3914 3915 if (ret == 0) { 3916 if (notfound) 3917 (void) printf(gettext("All pools are formatted " 3918 "using this version.\n")); 3919 else if (!cb.cb_all) 3920 (void) printf(gettext("Use 'zpool upgrade -v' " 3921 "for a list of available versions and " 3922 "their associated\nfeatures.\n")); 3923 } 3924 } else { 3925 ret = for_each_pool(argc, argv, B_FALSE, NULL, 3926 upgrade_one, &cb); 3927 } 3928 3929 return (ret); 3930 } 3931 3932 typedef struct hist_cbdata { 3933 boolean_t first; 3934 int longfmt; 3935 int internal; 3936 } hist_cbdata_t; 3937 3938 /* 3939 * Print out the command history for a specific pool. 3940 */ 3941 static int 3942 get_history_one(zpool_handle_t *zhp, void *data) 3943 { 3944 nvlist_t *nvhis; 3945 nvlist_t **records; 3946 uint_t numrecords; 3947 char *cmdstr; 3948 char *pathstr; 3949 uint64_t dst_time; 3950 time_t tsec; 3951 struct tm t; 3952 char tbuf[30]; 3953 int ret, i; 3954 uint64_t who; 3955 struct passwd *pwd; 3956 char *hostname; 3957 char *zonename; 3958 char internalstr[MAXPATHLEN]; 3959 hist_cbdata_t *cb = (hist_cbdata_t *)data; 3960 uint64_t txg; 3961 uint64_t ievent; 3962 3963 cb->first = B_FALSE; 3964 3965 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 3966 3967 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 3968 return (ret); 3969 3970 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 3971 &records, &numrecords) == 0); 3972 for (i = 0; i < numrecords; i++) { 3973 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 3974 &dst_time) != 0) 3975 continue; 3976 3977 /* is it an internal event or a standard event? */ 3978 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 3979 &cmdstr) != 0) { 3980 if (cb->internal == 0) 3981 continue; 3982 3983 if (nvlist_lookup_uint64(records[i], 3984 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 3985 continue; 3986 verify(nvlist_lookup_uint64(records[i], 3987 ZPOOL_HIST_TXG, &txg) == 0); 3988 verify(nvlist_lookup_string(records[i], 3989 ZPOOL_HIST_INT_STR, &pathstr) == 0); 3990 if (ievent >= LOG_END) 3991 continue; 3992 (void) snprintf(internalstr, 3993 sizeof (internalstr), 3994 "[internal %s txg:%lld] %s", 3995 hist_event_table[ievent], txg, 3996 pathstr); 3997 cmdstr = internalstr; 3998 } 3999 tsec = dst_time; 4000 (void) localtime_r(&tsec, &t); 4001 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4002 (void) printf("%s %s", tbuf, cmdstr); 4003 4004 if (!cb->longfmt) { 4005 (void) printf("\n"); 4006 continue; 4007 } 4008 (void) printf(" ["); 4009 if (nvlist_lookup_uint64(records[i], 4010 ZPOOL_HIST_WHO, &who) == 0) { 4011 pwd = getpwuid((uid_t)who); 4012 if (pwd) 4013 (void) printf("user %s on", 4014 pwd->pw_name); 4015 else 4016 (void) printf("user %d on", 4017 (int)who); 4018 } else { 4019 (void) printf(gettext("no info]\n")); 4020 continue; 4021 } 4022 if (nvlist_lookup_string(records[i], 4023 ZPOOL_HIST_HOST, &hostname) == 0) { 4024 (void) printf(" %s", hostname); 4025 } 4026 if (nvlist_lookup_string(records[i], 4027 ZPOOL_HIST_ZONE, &zonename) == 0) { 4028 (void) printf(":%s", zonename); 4029 } 4030 4031 (void) printf("]"); 4032 (void) printf("\n"); 4033 } 4034 (void) printf("\n"); 4035 nvlist_free(nvhis); 4036 4037 return (ret); 4038 } 4039 4040 /* 4041 * zpool history <pool> 4042 * 4043 * Displays the history of commands that modified pools. 4044 */ 4045 4046 4047 int 4048 zpool_do_history(int argc, char **argv) 4049 { 4050 hist_cbdata_t cbdata = { 0 }; 4051 int ret; 4052 int c; 4053 4054 cbdata.first = B_TRUE; 4055 /* check options */ 4056 while ((c = getopt(argc, argv, "li")) != -1) { 4057 switch (c) { 4058 case 'l': 4059 cbdata.longfmt = 1; 4060 break; 4061 case 'i': 4062 cbdata.internal = 1; 4063 break; 4064 case '?': 4065 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4066 optopt); 4067 usage(B_FALSE); 4068 } 4069 } 4070 argc -= optind; 4071 argv += optind; 4072 4073 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4074 &cbdata); 4075 4076 if (argc == 0 && cbdata.first == B_TRUE) { 4077 (void) printf(gettext("no pools available\n")); 4078 return (0); 4079 } 4080 4081 return (ret); 4082 } 4083 4084 static int 4085 get_callback(zpool_handle_t *zhp, void *data) 4086 { 4087 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4088 char value[MAXNAMELEN]; 4089 zprop_source_t srctype; 4090 zprop_list_t *pl; 4091 4092 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4093 4094 /* 4095 * Skip the special fake placeholder. This will also skip 4096 * over the name property when 'all' is specified. 4097 */ 4098 if (pl->pl_prop == ZPOOL_PROP_NAME && 4099 pl == cbp->cb_proplist) 4100 continue; 4101 4102 if (zpool_get_prop(zhp, pl->pl_prop, 4103 value, sizeof (value), &srctype) != 0) 4104 continue; 4105 4106 zprop_print_one_property(zpool_get_name(zhp), cbp, 4107 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4108 NULL); 4109 } 4110 return (0); 4111 } 4112 4113 int 4114 zpool_do_get(int argc, char **argv) 4115 { 4116 zprop_get_cbdata_t cb = { 0 }; 4117 zprop_list_t fake_name = { 0 }; 4118 int ret; 4119 4120 if (argc < 3) 4121 usage(B_FALSE); 4122 4123 cb.cb_first = B_TRUE; 4124 cb.cb_sources = ZPROP_SRC_ALL; 4125 cb.cb_columns[0] = GET_COL_NAME; 4126 cb.cb_columns[1] = GET_COL_PROPERTY; 4127 cb.cb_columns[2] = GET_COL_VALUE; 4128 cb.cb_columns[3] = GET_COL_SOURCE; 4129 cb.cb_type = ZFS_TYPE_POOL; 4130 4131 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4132 ZFS_TYPE_POOL) != 0) 4133 usage(B_FALSE); 4134 4135 if (cb.cb_proplist != NULL) { 4136 fake_name.pl_prop = ZPOOL_PROP_NAME; 4137 fake_name.pl_width = strlen(gettext("NAME")); 4138 fake_name.pl_next = cb.cb_proplist; 4139 cb.cb_proplist = &fake_name; 4140 } 4141 4142 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4143 get_callback, &cb); 4144 4145 if (cb.cb_proplist == &fake_name) 4146 zprop_free_list(fake_name.pl_next); 4147 else 4148 zprop_free_list(cb.cb_proplist); 4149 4150 return (ret); 4151 } 4152 4153 typedef struct set_cbdata { 4154 char *cb_propname; 4155 char *cb_value; 4156 boolean_t cb_any_successful; 4157 } set_cbdata_t; 4158 4159 int 4160 set_callback(zpool_handle_t *zhp, void *data) 4161 { 4162 int error; 4163 set_cbdata_t *cb = (set_cbdata_t *)data; 4164 4165 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4166 4167 if (!error) 4168 cb->cb_any_successful = B_TRUE; 4169 4170 return (error); 4171 } 4172 4173 int 4174 zpool_do_set(int argc, char **argv) 4175 { 4176 set_cbdata_t cb = { 0 }; 4177 int error; 4178 4179 if (argc > 1 && argv[1][0] == '-') { 4180 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4181 argv[1][1]); 4182 usage(B_FALSE); 4183 } 4184 4185 if (argc < 2) { 4186 (void) fprintf(stderr, gettext("missing property=value " 4187 "argument\n")); 4188 usage(B_FALSE); 4189 } 4190 4191 if (argc < 3) { 4192 (void) fprintf(stderr, gettext("missing pool name\n")); 4193 usage(B_FALSE); 4194 } 4195 4196 if (argc > 3) { 4197 (void) fprintf(stderr, gettext("too many pool names\n")); 4198 usage(B_FALSE); 4199 } 4200 4201 cb.cb_propname = argv[1]; 4202 cb.cb_value = strchr(cb.cb_propname, '='); 4203 if (cb.cb_value == NULL) { 4204 (void) fprintf(stderr, gettext("missing value in " 4205 "property=value argument\n")); 4206 usage(B_FALSE); 4207 } 4208 4209 *(cb.cb_value) = '\0'; 4210 cb.cb_value++; 4211 4212 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4213 set_callback, &cb); 4214 4215 return (error); 4216 } 4217 4218 static int 4219 find_command_idx(char *command, int *idx) 4220 { 4221 int i; 4222 4223 for (i = 0; i < NCOMMAND; i++) { 4224 if (command_table[i].name == NULL) 4225 continue; 4226 4227 if (strcmp(command, command_table[i].name) == 0) { 4228 *idx = i; 4229 return (0); 4230 } 4231 } 4232 return (1); 4233 } 4234 4235 int 4236 main(int argc, char **argv) 4237 { 4238 int ret; 4239 int i; 4240 char *cmdname; 4241 4242 (void) setlocale(LC_ALL, ""); 4243 (void) textdomain(TEXT_DOMAIN); 4244 4245 if ((g_zfs = libzfs_init()) == NULL) { 4246 (void) fprintf(stderr, gettext("internal error: failed to " 4247 "initialize ZFS library\n")); 4248 return (1); 4249 } 4250 4251 libzfs_print_on_error(g_zfs, B_TRUE); 4252 4253 opterr = 0; 4254 4255 /* 4256 * Make sure the user has specified some command. 4257 */ 4258 if (argc < 2) { 4259 (void) fprintf(stderr, gettext("missing command\n")); 4260 usage(B_FALSE); 4261 } 4262 4263 cmdname = argv[1]; 4264 4265 /* 4266 * Special case '-?' 4267 */ 4268 if (strcmp(cmdname, "-?") == 0) 4269 usage(B_TRUE); 4270 4271 zpool_set_history_str("zpool", argc, argv, history_str); 4272 verify(zpool_stage_history(g_zfs, history_str) == 0); 4273 4274 /* 4275 * Run the appropriate command. 4276 */ 4277 if (find_command_idx(cmdname, &i) == 0) { 4278 current_command = &command_table[i]; 4279 ret = command_table[i].func(argc - 1, argv + 1); 4280 } else if (strchr(cmdname, '=')) { 4281 verify(find_command_idx("set", &i) == 0); 4282 current_command = &command_table[i]; 4283 ret = command_table[i].func(argc, argv); 4284 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4285 /* 4286 * 'freeze' is a vile debugging abomination, so we treat 4287 * it as such. 4288 */ 4289 char buf[16384]; 4290 int fd = open(ZFS_DEV, O_RDWR); 4291 (void) strcpy((void *)buf, argv[2]); 4292 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4293 } else { 4294 (void) fprintf(stderr, gettext("unrecognized " 4295 "command '%s'\n"), cmdname); 4296 usage(B_FALSE); 4297 } 4298 4299 libzfs_fini(g_zfs); 4300 4301 /* 4302 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4303 * for the purposes of running ::findleaks. 4304 */ 4305 if (getenv("ZFS_ABORT") != NULL) { 4306 (void) printf("dumping core by request\n"); 4307 abort(); 4308 } 4309 4310 return (ret); 4311 } 4312