1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #include <assert.h> 27 #include <ctype.h> 28 #include <dirent.h> 29 #include <errno.h> 30 #include <fcntl.h> 31 #include <libgen.h> 32 #include <libintl.h> 33 #include <libuutil.h> 34 #include <locale.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <strings.h> 39 #include <unistd.h> 40 #include <priv.h> 41 #include <pwd.h> 42 #include <zone.h> 43 #include <sys/fs/zfs.h> 44 #include <sys/stat.h> 45 46 #include <libzfs.h> 47 48 #include "zpool_util.h" 49 #include "zfs_comutil.h" 50 51 #include "statcommon.h" 52 53 static int zpool_do_create(int, char **); 54 static int zpool_do_destroy(int, char **); 55 56 static int zpool_do_add(int, char **); 57 static int zpool_do_remove(int, char **); 58 59 static int zpool_do_list(int, char **); 60 static int zpool_do_iostat(int, char **); 61 static int zpool_do_status(int, char **); 62 63 static int zpool_do_online(int, char **); 64 static int zpool_do_offline(int, char **); 65 static int zpool_do_clear(int, char **); 66 67 static int zpool_do_attach(int, char **); 68 static int zpool_do_detach(int, char **); 69 static int zpool_do_replace(int, char **); 70 static int zpool_do_split(int, char **); 71 72 static int zpool_do_scrub(int, char **); 73 74 static int zpool_do_import(int, char **); 75 static int zpool_do_export(int, char **); 76 77 static int zpool_do_upgrade(int, char **); 78 79 static int zpool_do_history(int, char **); 80 81 static int zpool_do_get(int, char **); 82 static int zpool_do_set(int, char **); 83 84 /* 85 * These libumem hooks provide a reasonable set of defaults for the allocator's 86 * debugging facilities. 87 */ 88 89 #ifdef DEBUG 90 const char * 91 _umem_debug_init(void) 92 { 93 return ("default,verbose"); /* $UMEM_DEBUG setting */ 94 } 95 96 const char * 97 _umem_logging_init(void) 98 { 99 return ("fail,contents"); /* $UMEM_LOGGING setting */ 100 } 101 #endif 102 103 typedef enum { 104 HELP_ADD, 105 HELP_ATTACH, 106 HELP_CLEAR, 107 HELP_CREATE, 108 HELP_DESTROY, 109 HELP_DETACH, 110 HELP_EXPORT, 111 HELP_HISTORY, 112 HELP_IMPORT, 113 HELP_IOSTAT, 114 HELP_LIST, 115 HELP_OFFLINE, 116 HELP_ONLINE, 117 HELP_REPLACE, 118 HELP_REMOVE, 119 HELP_SCRUB, 120 HELP_STATUS, 121 HELP_UPGRADE, 122 HELP_GET, 123 HELP_SET, 124 HELP_SPLIT 125 } zpool_help_t; 126 127 128 typedef struct zpool_command { 129 const char *name; 130 int (*func)(int, char **); 131 zpool_help_t usage; 132 } zpool_command_t; 133 134 /* 135 * Master command table. Each ZFS command has a name, associated function, and 136 * usage message. The usage messages need to be internationalized, so we have 137 * to have a function to return the usage message based on a command index. 138 * 139 * These commands are organized according to how they are displayed in the usage 140 * message. An empty command (one with a NULL name) indicates an empty line in 141 * the generic usage message. 142 */ 143 static zpool_command_t command_table[] = { 144 { "create", zpool_do_create, HELP_CREATE }, 145 { "destroy", zpool_do_destroy, HELP_DESTROY }, 146 { NULL }, 147 { "add", zpool_do_add, HELP_ADD }, 148 { "remove", zpool_do_remove, HELP_REMOVE }, 149 { NULL }, 150 { "list", zpool_do_list, HELP_LIST }, 151 { "iostat", zpool_do_iostat, HELP_IOSTAT }, 152 { "status", zpool_do_status, HELP_STATUS }, 153 { NULL }, 154 { "online", zpool_do_online, HELP_ONLINE }, 155 { "offline", zpool_do_offline, HELP_OFFLINE }, 156 { "clear", zpool_do_clear, HELP_CLEAR }, 157 { NULL }, 158 { "attach", zpool_do_attach, HELP_ATTACH }, 159 { "detach", zpool_do_detach, HELP_DETACH }, 160 { "replace", zpool_do_replace, HELP_REPLACE }, 161 { "split", zpool_do_split, HELP_SPLIT }, 162 { NULL }, 163 { "scrub", zpool_do_scrub, HELP_SCRUB }, 164 { NULL }, 165 { "import", zpool_do_import, HELP_IMPORT }, 166 { "export", zpool_do_export, HELP_EXPORT }, 167 { "upgrade", zpool_do_upgrade, HELP_UPGRADE }, 168 { NULL }, 169 { "history", zpool_do_history, HELP_HISTORY }, 170 { "get", zpool_do_get, HELP_GET }, 171 { "set", zpool_do_set, HELP_SET }, 172 }; 173 174 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 175 176 zpool_command_t *current_command; 177 static char history_str[HIS_MAX_RECORD_LEN]; 178 179 static uint_t timestamp_fmt = NODATE; 180 181 static const char * 182 get_usage(zpool_help_t idx) { 183 switch (idx) { 184 case HELP_ADD: 185 return (gettext("\tadd [-fn] <pool> <vdev> ...\n")); 186 case HELP_ATTACH: 187 return (gettext("\tattach [-f] <pool> <device> " 188 "<new-device>\n")); 189 case HELP_CLEAR: 190 return (gettext("\tclear [-nF] <pool> [device]\n")); 191 case HELP_CREATE: 192 return (gettext("\tcreate [-fn] [-o property=value] ... \n" 193 "\t [-O file-system-property=value] ... \n" 194 "\t [-m mountpoint] [-R root] <pool> <vdev> ...\n")); 195 case HELP_DESTROY: 196 return (gettext("\tdestroy [-f] <pool>\n")); 197 case HELP_DETACH: 198 return (gettext("\tdetach <pool> <device>\n")); 199 case HELP_EXPORT: 200 return (gettext("\texport [-f] <pool> ...\n")); 201 case HELP_HISTORY: 202 return (gettext("\thistory [-il] [<pool>] ...\n")); 203 case HELP_IMPORT: 204 return (gettext("\timport [-d dir] [-D]\n" 205 "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n" 206 "\timport [-o mntopts] [-o property=value] ... \n" 207 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 208 "[-R root] [-F [-n]] -a\n" 209 "\timport [-o mntopts] [-o property=value] ... \n" 210 "\t [-d dir | -c cachefile] [-D] [-f] [-m] [-N] " 211 "[-R root] [-F [-n]]\n" 212 "\t <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 "[-T d|u] [pool] ... [interval [count]]\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] [-T d|u] [pool] ... [interval " 232 "[count]]\n")); 233 case HELP_UPGRADE: 234 return (gettext("\tupgrade\n" 235 "\tupgrade -v\n" 236 "\tupgrade [-V version] <-a | pool ...>\n")); 237 case HELP_GET: 238 return (gettext("\tget <\"all\" | property[,...]> " 239 "<pool> ...\n")); 240 case HELP_SET: 241 return (gettext("\tset <property=value> <pool> \n")); 242 case HELP_SPLIT: 243 return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n" 244 "\t [-o property=value] <pool> <newpool> " 245 "[<device> ...]\n")); 246 } 247 248 abort(); 249 /* NOTREACHED */ 250 } 251 252 253 /* 254 * Callback routine that will print out a pool property value. 255 */ 256 static int 257 print_prop_cb(int prop, void *cb) 258 { 259 FILE *fp = cb; 260 261 (void) fprintf(fp, "\t%-15s ", zpool_prop_to_name(prop)); 262 263 if (zpool_prop_readonly(prop)) 264 (void) fprintf(fp, " NO "); 265 else 266 (void) fprintf(fp, " YES "); 267 268 if (zpool_prop_values(prop) == NULL) 269 (void) fprintf(fp, "-\n"); 270 else 271 (void) fprintf(fp, "%s\n", zpool_prop_values(prop)); 272 273 return (ZPROP_CONT); 274 } 275 276 /* 277 * Display usage message. If we're inside a command, display only the usage for 278 * that command. Otherwise, iterate over the entire command table and display 279 * a complete usage message. 280 */ 281 void 282 usage(boolean_t requested) 283 { 284 FILE *fp = requested ? stdout : stderr; 285 286 if (current_command == NULL) { 287 int i; 288 289 (void) fprintf(fp, gettext("usage: zpool command args ...\n")); 290 (void) fprintf(fp, 291 gettext("where 'command' is one of the following:\n\n")); 292 293 for (i = 0; i < NCOMMAND; i++) { 294 if (command_table[i].name == NULL) 295 (void) fprintf(fp, "\n"); 296 else 297 (void) fprintf(fp, "%s", 298 get_usage(command_table[i].usage)); 299 } 300 } else { 301 (void) fprintf(fp, gettext("usage:\n")); 302 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 303 } 304 305 if (current_command != NULL && 306 ((strcmp(current_command->name, "set") == 0) || 307 (strcmp(current_command->name, "get") == 0) || 308 (strcmp(current_command->name, "list") == 0))) { 309 310 (void) fprintf(fp, 311 gettext("\nthe following properties are supported:\n")); 312 313 (void) fprintf(fp, "\n\t%-15s %s %s\n\n", 314 "PROPERTY", "EDIT", "VALUES"); 315 316 /* Iterate over all properties */ 317 (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE, 318 ZFS_TYPE_POOL); 319 } 320 321 /* 322 * See comments at end of main(). 323 */ 324 if (getenv("ZFS_ABORT") != NULL) { 325 (void) printf("dumping core by request\n"); 326 abort(); 327 } 328 329 exit(requested ? 0 : 2); 330 } 331 332 void 333 print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent, 334 boolean_t print_logs) 335 { 336 nvlist_t **child; 337 uint_t c, children; 338 char *vname; 339 340 if (name != NULL) 341 (void) printf("\t%*s%s\n", indent, "", name); 342 343 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 344 &child, &children) != 0) 345 return; 346 347 for (c = 0; c < children; c++) { 348 uint64_t is_log = B_FALSE; 349 350 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 351 &is_log); 352 if ((is_log && !print_logs) || (!is_log && print_logs)) 353 continue; 354 355 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE); 356 print_vdev_tree(zhp, vname, child[c], indent + 2, 357 B_FALSE); 358 free(vname); 359 } 360 } 361 362 /* 363 * Add a property pair (name, string-value) into a property nvlist. 364 */ 365 static int 366 add_prop_list(const char *propname, char *propval, nvlist_t **props, 367 boolean_t poolprop) 368 { 369 zpool_prop_t prop = ZPROP_INVAL; 370 zfs_prop_t fprop; 371 nvlist_t *proplist; 372 const char *normnm; 373 char *strval; 374 375 if (*props == NULL && 376 nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) { 377 (void) fprintf(stderr, 378 gettext("internal error: out of memory\n")); 379 return (1); 380 } 381 382 proplist = *props; 383 384 if (poolprop) { 385 if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) { 386 (void) fprintf(stderr, gettext("property '%s' is " 387 "not a valid pool property\n"), propname); 388 return (2); 389 } 390 normnm = zpool_prop_to_name(prop); 391 } else { 392 if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 393 normnm = zfs_prop_to_name(fprop); 394 } else { 395 normnm = propname; 396 } 397 } 398 399 if (nvlist_lookup_string(proplist, normnm, &strval) == 0 && 400 prop != ZPOOL_PROP_CACHEFILE) { 401 (void) fprintf(stderr, gettext("property '%s' " 402 "specified multiple times\n"), propname); 403 return (2); 404 } 405 406 if (nvlist_add_string(proplist, normnm, propval) != 0) { 407 (void) fprintf(stderr, gettext("internal " 408 "error: out of memory\n")); 409 return (1); 410 } 411 412 return (0); 413 } 414 415 /* 416 * zpool add [-fn] <pool> <vdev> ... 417 * 418 * -f Force addition of devices, even if they appear in use 419 * -n Do not add the devices, but display the resulting layout if 420 * they were to be added. 421 * 422 * Adds the given vdevs to 'pool'. As with create, the bulk of this work is 423 * handled by get_vdev_spec(), which constructs the nvlist needed to pass to 424 * libzfs. 425 */ 426 int 427 zpool_do_add(int argc, char **argv) 428 { 429 boolean_t force = B_FALSE; 430 boolean_t dryrun = B_FALSE; 431 int c; 432 nvlist_t *nvroot; 433 char *poolname; 434 int ret; 435 zpool_handle_t *zhp; 436 nvlist_t *config; 437 438 /* check options */ 439 while ((c = getopt(argc, argv, "fn")) != -1) { 440 switch (c) { 441 case 'f': 442 force = B_TRUE; 443 break; 444 case 'n': 445 dryrun = B_TRUE; 446 break; 447 case '?': 448 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 449 optopt); 450 usage(B_FALSE); 451 } 452 } 453 454 argc -= optind; 455 argv += optind; 456 457 /* get pool name and check number of arguments */ 458 if (argc < 1) { 459 (void) fprintf(stderr, gettext("missing pool name argument\n")); 460 usage(B_FALSE); 461 } 462 if (argc < 2) { 463 (void) fprintf(stderr, gettext("missing vdev specification\n")); 464 usage(B_FALSE); 465 } 466 467 poolname = argv[0]; 468 469 argc--; 470 argv++; 471 472 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 473 return (1); 474 475 if ((config = zpool_get_config(zhp, NULL)) == NULL) { 476 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 477 poolname); 478 zpool_close(zhp); 479 return (1); 480 } 481 482 /* pass off to get_vdev_spec for processing */ 483 nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun, 484 argc, argv); 485 if (nvroot == NULL) { 486 zpool_close(zhp); 487 return (1); 488 } 489 490 if (dryrun) { 491 nvlist_t *poolnvroot; 492 493 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 494 &poolnvroot) == 0); 495 496 (void) printf(gettext("would update '%s' to the following " 497 "configuration:\n"), zpool_get_name(zhp)); 498 499 /* print original main pool and new tree */ 500 print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE); 501 print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE); 502 503 /* Do the same for the logs */ 504 if (num_logs(poolnvroot) > 0) { 505 print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE); 506 print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE); 507 } else if (num_logs(nvroot) > 0) { 508 print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE); 509 } 510 511 ret = 0; 512 } else { 513 ret = (zpool_add(zhp, nvroot) != 0); 514 } 515 516 nvlist_free(nvroot); 517 zpool_close(zhp); 518 519 return (ret); 520 } 521 522 /* 523 * zpool remove <pool> <vdev> ... 524 * 525 * Removes the given vdev from the pool. Currently, this supports removing 526 * spares, cache, and log devices from the pool. 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 pool_scan_stat_t *ps = NULL; 1048 vdev_stat_t *vs; 1049 char rbuf[6], wbuf[6], cbuf[6]; 1050 char *vname; 1051 uint64_t notpresent; 1052 spare_cbdata_t cb; 1053 char *state; 1054 1055 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1056 &child, &children) != 0) 1057 children = 0; 1058 1059 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1060 (uint64_t **)&vs, &c) == 0); 1061 1062 state = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1063 if (isspare) { 1064 /* 1065 * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for 1066 * online drives. 1067 */ 1068 if (vs->vs_aux == VDEV_AUX_SPARED) 1069 state = "INUSE"; 1070 else if (vs->vs_state == VDEV_STATE_HEALTHY) 1071 state = "AVAIL"; 1072 } 1073 1074 (void) printf("\t%*s%-*s %-8s", depth, "", namewidth - depth, 1075 name, state); 1076 1077 if (!isspare) { 1078 zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf)); 1079 zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf)); 1080 zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf)); 1081 (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf); 1082 } 1083 1084 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT, 1085 ¬present) == 0) { 1086 char *path; 1087 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 1088 (void) printf(" was %s", path); 1089 } else if (vs->vs_aux != 0) { 1090 (void) printf(" "); 1091 1092 switch (vs->vs_aux) { 1093 case VDEV_AUX_OPEN_FAILED: 1094 (void) printf(gettext("cannot open")); 1095 break; 1096 1097 case VDEV_AUX_BAD_GUID_SUM: 1098 (void) printf(gettext("missing device")); 1099 break; 1100 1101 case VDEV_AUX_NO_REPLICAS: 1102 (void) printf(gettext("insufficient replicas")); 1103 break; 1104 1105 case VDEV_AUX_VERSION_NEWER: 1106 (void) printf(gettext("newer version")); 1107 break; 1108 1109 case VDEV_AUX_SPARED: 1110 verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, 1111 &cb.cb_guid) == 0); 1112 if (zpool_iter(g_zfs, find_spare, &cb) == 1) { 1113 if (strcmp(zpool_get_name(cb.cb_zhp), 1114 zpool_get_name(zhp)) == 0) 1115 (void) printf(gettext("currently in " 1116 "use")); 1117 else 1118 (void) printf(gettext("in use by " 1119 "pool '%s'"), 1120 zpool_get_name(cb.cb_zhp)); 1121 zpool_close(cb.cb_zhp); 1122 } else { 1123 (void) printf(gettext("currently in use")); 1124 } 1125 break; 1126 1127 case VDEV_AUX_ERR_EXCEEDED: 1128 (void) printf(gettext("too many errors")); 1129 break; 1130 1131 case VDEV_AUX_IO_FAILURE: 1132 (void) printf(gettext("experienced I/O failures")); 1133 break; 1134 1135 case VDEV_AUX_BAD_LOG: 1136 (void) printf(gettext("bad intent log")); 1137 break; 1138 1139 case VDEV_AUX_EXTERNAL: 1140 (void) printf(gettext("external device fault")); 1141 break; 1142 1143 case VDEV_AUX_SPLIT_POOL: 1144 (void) printf(gettext("split into new pool")); 1145 break; 1146 1147 default: 1148 (void) printf(gettext("corrupted data")); 1149 break; 1150 } 1151 } 1152 1153 (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS, 1154 (uint64_t **)&ps, &c); 1155 1156 if (ps && ps->pss_state == DSS_SCANNING && 1157 vs->vs_scan_processed != 0 && children == 0) { 1158 (void) printf(gettext(" (%s)"), 1159 (ps->pss_func == POOL_SCAN_RESILVER) ? 1160 "resilvering" : "repairing"); 1161 } 1162 1163 (void) printf("\n"); 1164 1165 for (c = 0; c < children; c++) { 1166 uint64_t islog = B_FALSE, ishole = B_FALSE; 1167 1168 /* Don't print logs or holes here */ 1169 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1170 &islog); 1171 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE, 1172 &ishole); 1173 if (islog || ishole) 1174 continue; 1175 vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1176 print_status_config(zhp, vname, child[c], 1177 namewidth, depth + 2, isspare); 1178 free(vname); 1179 } 1180 } 1181 1182 1183 /* 1184 * Print the configuration of an exported pool. Iterate over all vdevs in the 1185 * pool, printing out the name and status for each one. 1186 */ 1187 void 1188 print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth) 1189 { 1190 nvlist_t **child; 1191 uint_t c, children; 1192 vdev_stat_t *vs; 1193 char *type, *vname; 1194 1195 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0); 1196 if (strcmp(type, VDEV_TYPE_MISSING) == 0 || 1197 strcmp(type, VDEV_TYPE_HOLE) == 0) 1198 return; 1199 1200 verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS, 1201 (uint64_t **)&vs, &c) == 0); 1202 1203 (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name); 1204 (void) printf(" %s", zpool_state_to_name(vs->vs_state, vs->vs_aux)); 1205 1206 if (vs->vs_aux != 0) { 1207 (void) printf(" "); 1208 1209 switch (vs->vs_aux) { 1210 case VDEV_AUX_OPEN_FAILED: 1211 (void) printf(gettext("cannot open")); 1212 break; 1213 1214 case VDEV_AUX_BAD_GUID_SUM: 1215 (void) printf(gettext("missing device")); 1216 break; 1217 1218 case VDEV_AUX_NO_REPLICAS: 1219 (void) printf(gettext("insufficient replicas")); 1220 break; 1221 1222 case VDEV_AUX_VERSION_NEWER: 1223 (void) printf(gettext("newer version")); 1224 break; 1225 1226 case VDEV_AUX_ERR_EXCEEDED: 1227 (void) printf(gettext("too many errors")); 1228 break; 1229 1230 default: 1231 (void) printf(gettext("corrupted data")); 1232 break; 1233 } 1234 } 1235 (void) printf("\n"); 1236 1237 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 1238 &child, &children) != 0) 1239 return; 1240 1241 for (c = 0; c < children; c++) { 1242 uint64_t is_log = B_FALSE; 1243 1244 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1245 &is_log); 1246 if (is_log) 1247 continue; 1248 1249 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE); 1250 print_import_config(vname, child[c], namewidth, depth + 2); 1251 free(vname); 1252 } 1253 1254 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE, 1255 &child, &children) == 0) { 1256 (void) printf(gettext("\tcache\n")); 1257 for (c = 0; c < children; c++) { 1258 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1259 (void) printf("\t %s\n", vname); 1260 free(vname); 1261 } 1262 } 1263 1264 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES, 1265 &child, &children) == 0) { 1266 (void) printf(gettext("\tspares\n")); 1267 for (c = 0; c < children; c++) { 1268 vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE); 1269 (void) printf("\t %s\n", vname); 1270 free(vname); 1271 } 1272 } 1273 } 1274 1275 /* 1276 * Print log vdevs. 1277 * Logs are recorded as top level vdevs in the main pool child array 1278 * but with "is_log" set to 1. We use either print_status_config() or 1279 * print_import_config() to print the top level logs then any log 1280 * children (eg mirrored slogs) are printed recursively - which 1281 * works because only the top level vdev is marked "is_log" 1282 */ 1283 static void 1284 print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose) 1285 { 1286 uint_t c, children; 1287 nvlist_t **child; 1288 1289 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child, 1290 &children) != 0) 1291 return; 1292 1293 (void) printf(gettext("\tlogs\n")); 1294 1295 for (c = 0; c < children; c++) { 1296 uint64_t is_log = B_FALSE; 1297 char *name; 1298 1299 (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG, 1300 &is_log); 1301 if (!is_log) 1302 continue; 1303 name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE); 1304 if (verbose) 1305 print_status_config(zhp, name, child[c], namewidth, 1306 2, B_FALSE); 1307 else 1308 print_import_config(name, child[c], namewidth, 2); 1309 free(name); 1310 } 1311 } 1312 1313 /* 1314 * Display the status for the given pool. 1315 */ 1316 static void 1317 show_import(nvlist_t *config) 1318 { 1319 uint64_t pool_state; 1320 vdev_stat_t *vs; 1321 char *name; 1322 uint64_t guid; 1323 char *msgid; 1324 nvlist_t *nvroot; 1325 int reason; 1326 const char *health; 1327 uint_t vsc; 1328 int namewidth; 1329 1330 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1331 &name) == 0); 1332 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, 1333 &guid) == 0); 1334 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1335 &pool_state) == 0); 1336 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 1337 &nvroot) == 0); 1338 1339 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 1340 (uint64_t **)&vs, &vsc) == 0); 1341 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 1342 1343 reason = zpool_import_status(config, &msgid); 1344 1345 (void) printf(gettext(" pool: %s\n"), name); 1346 (void) printf(gettext(" id: %llu\n"), (u_longlong_t)guid); 1347 (void) printf(gettext(" state: %s"), health); 1348 if (pool_state == POOL_STATE_DESTROYED) 1349 (void) printf(gettext(" (DESTROYED)")); 1350 (void) printf("\n"); 1351 1352 switch (reason) { 1353 case ZPOOL_STATUS_MISSING_DEV_R: 1354 case ZPOOL_STATUS_MISSING_DEV_NR: 1355 case ZPOOL_STATUS_BAD_GUID_SUM: 1356 (void) printf(gettext("status: One or more devices are missing " 1357 "from the system.\n")); 1358 break; 1359 1360 case ZPOOL_STATUS_CORRUPT_LABEL_R: 1361 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 1362 (void) printf(gettext("status: One or more devices contains " 1363 "corrupted data.\n")); 1364 break; 1365 1366 case ZPOOL_STATUS_CORRUPT_DATA: 1367 (void) printf(gettext("status: The pool data is corrupted.\n")); 1368 break; 1369 1370 case ZPOOL_STATUS_OFFLINE_DEV: 1371 (void) printf(gettext("status: One or more devices " 1372 "are offlined.\n")); 1373 break; 1374 1375 case ZPOOL_STATUS_CORRUPT_POOL: 1376 (void) printf(gettext("status: The pool metadata is " 1377 "corrupted.\n")); 1378 break; 1379 1380 case ZPOOL_STATUS_VERSION_OLDER: 1381 (void) printf(gettext("status: The pool is formatted using an " 1382 "older on-disk version.\n")); 1383 break; 1384 1385 case ZPOOL_STATUS_VERSION_NEWER: 1386 (void) printf(gettext("status: The pool is formatted using an " 1387 "incompatible version.\n")); 1388 break; 1389 1390 case ZPOOL_STATUS_HOSTID_MISMATCH: 1391 (void) printf(gettext("status: The pool was last accessed by " 1392 "another system.\n")); 1393 break; 1394 1395 case ZPOOL_STATUS_FAULTED_DEV_R: 1396 case ZPOOL_STATUS_FAULTED_DEV_NR: 1397 (void) printf(gettext("status: One or more devices are " 1398 "faulted.\n")); 1399 break; 1400 1401 case ZPOOL_STATUS_BAD_LOG: 1402 (void) printf(gettext("status: An intent log record cannot be " 1403 "read.\n")); 1404 break; 1405 1406 case ZPOOL_STATUS_RESILVERING: 1407 (void) printf(gettext("status: One or more devices were being " 1408 "resilvered.\n")); 1409 break; 1410 1411 default: 1412 /* 1413 * No other status can be seen when importing pools. 1414 */ 1415 assert(reason == ZPOOL_STATUS_OK); 1416 } 1417 1418 /* 1419 * Print out an action according to the overall state of the pool. 1420 */ 1421 if (vs->vs_state == VDEV_STATE_HEALTHY) { 1422 if (reason == ZPOOL_STATUS_VERSION_OLDER) 1423 (void) printf(gettext("action: The pool can be " 1424 "imported using its name or numeric identifier, " 1425 "though\n\tsome features will not be available " 1426 "without an explicit 'zpool upgrade'.\n")); 1427 else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH) 1428 (void) printf(gettext("action: The pool can be " 1429 "imported using its name or numeric " 1430 "identifier and\n\tthe '-f' flag.\n")); 1431 else 1432 (void) printf(gettext("action: The pool can be " 1433 "imported using its name or numeric " 1434 "identifier.\n")); 1435 } else if (vs->vs_state == VDEV_STATE_DEGRADED) { 1436 (void) printf(gettext("action: The pool can be imported " 1437 "despite missing or damaged devices. The\n\tfault " 1438 "tolerance of the pool may be compromised if imported.\n")); 1439 } else { 1440 switch (reason) { 1441 case ZPOOL_STATUS_VERSION_NEWER: 1442 (void) printf(gettext("action: The pool cannot be " 1443 "imported. Access the pool on a system running " 1444 "newer\n\tsoftware, or recreate the pool from " 1445 "backup.\n")); 1446 break; 1447 case ZPOOL_STATUS_MISSING_DEV_R: 1448 case ZPOOL_STATUS_MISSING_DEV_NR: 1449 case ZPOOL_STATUS_BAD_GUID_SUM: 1450 (void) printf(gettext("action: The pool cannot be " 1451 "imported. Attach the missing\n\tdevices and try " 1452 "again.\n")); 1453 break; 1454 default: 1455 (void) printf(gettext("action: The pool cannot be " 1456 "imported due to damaged devices or data.\n")); 1457 } 1458 } 1459 1460 /* 1461 * If the state is "closed" or "can't open", and the aux state 1462 * is "corrupt data": 1463 */ 1464 if (((vs->vs_state == VDEV_STATE_CLOSED) || 1465 (vs->vs_state == VDEV_STATE_CANT_OPEN)) && 1466 (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) { 1467 if (pool_state == POOL_STATE_DESTROYED) 1468 (void) printf(gettext("\tThe pool was destroyed, " 1469 "but can be imported using the '-Df' flags.\n")); 1470 else if (pool_state != POOL_STATE_EXPORTED) 1471 (void) printf(gettext("\tThe pool may be active on " 1472 "another system, but can be imported using\n\t" 1473 "the '-f' flag.\n")); 1474 } 1475 1476 if (msgid != NULL) 1477 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 1478 msgid); 1479 1480 (void) printf(gettext("config:\n\n")); 1481 1482 namewidth = max_width(NULL, nvroot, 0, 0); 1483 if (namewidth < 10) 1484 namewidth = 10; 1485 1486 print_import_config(name, nvroot, namewidth, 0); 1487 if (num_logs(nvroot) > 0) 1488 print_logs(NULL, nvroot, namewidth, B_FALSE); 1489 1490 if (reason == ZPOOL_STATUS_BAD_GUID_SUM) { 1491 (void) printf(gettext("\n\tAdditional devices are known to " 1492 "be part of this pool, though their\n\texact " 1493 "configuration cannot be determined.\n")); 1494 } 1495 } 1496 1497 /* 1498 * Perform the import for the given configuration. This passes the heavy 1499 * lifting off to zpool_import_props(), and then mounts the datasets contained 1500 * within the pool. 1501 */ 1502 static int 1503 do_import(nvlist_t *config, const char *newname, const char *mntopts, 1504 nvlist_t *props, int flags) 1505 { 1506 zpool_handle_t *zhp; 1507 char *name; 1508 uint64_t state; 1509 uint64_t version; 1510 1511 verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME, 1512 &name) == 0); 1513 1514 verify(nvlist_lookup_uint64(config, 1515 ZPOOL_CONFIG_POOL_STATE, &state) == 0); 1516 verify(nvlist_lookup_uint64(config, 1517 ZPOOL_CONFIG_VERSION, &version) == 0); 1518 if (version > SPA_VERSION) { 1519 (void) fprintf(stderr, gettext("cannot import '%s': pool " 1520 "is formatted using a newer ZFS version\n"), name); 1521 return (1); 1522 } else if (state != POOL_STATE_EXPORTED && 1523 !(flags & ZFS_IMPORT_ANY_HOST)) { 1524 uint64_t hostid; 1525 1526 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, 1527 &hostid) == 0) { 1528 if ((unsigned long)hostid != gethostid()) { 1529 char *hostname; 1530 uint64_t timestamp; 1531 time_t t; 1532 1533 verify(nvlist_lookup_string(config, 1534 ZPOOL_CONFIG_HOSTNAME, &hostname) == 0); 1535 verify(nvlist_lookup_uint64(config, 1536 ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0); 1537 t = timestamp; 1538 (void) fprintf(stderr, gettext("cannot import " 1539 "'%s': pool may be in use from other " 1540 "system, it was last accessed by %s " 1541 "(hostid: 0x%lx) on %s"), name, hostname, 1542 (unsigned long)hostid, 1543 asctime(localtime(&t))); 1544 (void) fprintf(stderr, gettext("use '-f' to " 1545 "import anyway\n")); 1546 return (1); 1547 } 1548 } else { 1549 (void) fprintf(stderr, gettext("cannot import '%s': " 1550 "pool may be in use from other system\n"), name); 1551 (void) fprintf(stderr, gettext("use '-f' to import " 1552 "anyway\n")); 1553 return (1); 1554 } 1555 } 1556 1557 if (zpool_import_props(g_zfs, config, newname, props, flags) != 0) 1558 return (1); 1559 1560 if (newname != NULL) 1561 name = (char *)newname; 1562 1563 if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL) 1564 return (1); 1565 1566 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 1567 !(flags & ZFS_IMPORT_ONLY) && 1568 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 1569 zpool_close(zhp); 1570 return (1); 1571 } 1572 1573 zpool_close(zhp); 1574 return (0); 1575 } 1576 1577 /* 1578 * zpool import [-d dir] [-D] 1579 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1580 * [-d dir | -c cachefile] [-f] -a 1581 * import [-o mntopts] [-o prop=value] ... [-R root] [-D] 1582 * [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool] 1583 * 1584 * -c Read pool information from a cachefile instead of searching 1585 * devices. 1586 * 1587 * -d Scan in a specific directory, other than /dev/dsk. More than 1588 * one directory can be specified using multiple '-d' options. 1589 * 1590 * -D Scan for previously destroyed pools or import all or only 1591 * specified destroyed pools. 1592 * 1593 * -R Temporarily import the pool, with all mountpoints relative to 1594 * the given root. The pool will remain exported when the machine 1595 * is rebooted. 1596 * 1597 * -V Import even in the presence of faulted vdevs. This is an 1598 * intentionally undocumented option for testing purposes, and 1599 * treats the pool configuration as complete, leaving any bad 1600 * vdevs in the FAULTED state. In other words, it does verbatim 1601 * import. 1602 * 1603 * -f Force import, even if it appears that the pool is active. 1604 * 1605 * -F Attempt rewind if necessary. 1606 * 1607 * -n See if rewind would work, but don't actually rewind. 1608 * 1609 * -N Import the pool but don't mount datasets. 1610 * 1611 * -T Specify a starting txg to use for import. This option is 1612 * intentionally undocumented option for testing purposes. 1613 * 1614 * -a Import all pools found. 1615 * 1616 * -o Set property=value and/or temporary mount options (without '='). 1617 * 1618 * The import command scans for pools to import, and import pools based on pool 1619 * name and GUID. The pool can also be renamed as part of the import process. 1620 */ 1621 int 1622 zpool_do_import(int argc, char **argv) 1623 { 1624 char **searchdirs = NULL; 1625 int nsearch = 0; 1626 int c; 1627 int err = 0; 1628 nvlist_t *pools = NULL; 1629 boolean_t do_all = B_FALSE; 1630 boolean_t do_destroyed = B_FALSE; 1631 char *mntopts = NULL; 1632 nvpair_t *elem; 1633 nvlist_t *config; 1634 uint64_t searchguid = 0; 1635 char *searchname = NULL; 1636 char *propval; 1637 nvlist_t *found_config; 1638 nvlist_t *policy = NULL; 1639 nvlist_t *props = NULL; 1640 boolean_t first; 1641 int flags = ZFS_IMPORT_NORMAL; 1642 uint32_t rewind_policy = ZPOOL_NO_REWIND; 1643 boolean_t dryrun = B_FALSE; 1644 boolean_t do_rewind = B_FALSE; 1645 boolean_t xtreme_rewind = B_FALSE; 1646 uint64_t pool_state, txg = -1ULL; 1647 char *cachefile = NULL; 1648 importargs_t idata = { 0 }; 1649 char *endptr; 1650 1651 /* check options */ 1652 while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:rR:T:VX")) != -1) { 1653 switch (c) { 1654 case 'a': 1655 do_all = B_TRUE; 1656 break; 1657 case 'c': 1658 cachefile = optarg; 1659 break; 1660 case 'd': 1661 if (searchdirs == NULL) { 1662 searchdirs = safe_malloc(sizeof (char *)); 1663 } else { 1664 char **tmp = safe_malloc((nsearch + 1) * 1665 sizeof (char *)); 1666 bcopy(searchdirs, tmp, nsearch * 1667 sizeof (char *)); 1668 free(searchdirs); 1669 searchdirs = tmp; 1670 } 1671 searchdirs[nsearch++] = optarg; 1672 break; 1673 case 'D': 1674 do_destroyed = B_TRUE; 1675 break; 1676 case 'f': 1677 flags |= ZFS_IMPORT_ANY_HOST; 1678 break; 1679 case 'F': 1680 do_rewind = B_TRUE; 1681 break; 1682 case 'm': 1683 flags |= ZFS_IMPORT_MISSING_LOG; 1684 break; 1685 case 'n': 1686 dryrun = B_TRUE; 1687 break; 1688 case 'N': 1689 flags |= ZFS_IMPORT_ONLY; 1690 break; 1691 case 'o': 1692 if ((propval = strchr(optarg, '=')) != NULL) { 1693 *propval = '\0'; 1694 propval++; 1695 if (add_prop_list(optarg, propval, 1696 &props, B_TRUE)) 1697 goto error; 1698 } else { 1699 mntopts = optarg; 1700 } 1701 break; 1702 case 'R': 1703 if (add_prop_list(zpool_prop_to_name( 1704 ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE)) 1705 goto error; 1706 if (nvlist_lookup_string(props, 1707 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE), 1708 &propval) == 0) 1709 break; 1710 if (add_prop_list(zpool_prop_to_name( 1711 ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE)) 1712 goto error; 1713 break; 1714 case 'T': 1715 errno = 0; 1716 txg = strtoull(optarg, &endptr, 10); 1717 if (errno != 0 || *endptr != '\0') { 1718 (void) fprintf(stderr, 1719 gettext("invalid txg value\n")); 1720 usage(B_FALSE); 1721 } 1722 rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND; 1723 break; 1724 case 'V': 1725 flags |= ZFS_IMPORT_VERBATIM; 1726 break; 1727 case 'X': 1728 xtreme_rewind = B_TRUE; 1729 break; 1730 case ':': 1731 (void) fprintf(stderr, gettext("missing argument for " 1732 "'%c' option\n"), optopt); 1733 usage(B_FALSE); 1734 break; 1735 case '?': 1736 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1737 optopt); 1738 usage(B_FALSE); 1739 } 1740 } 1741 1742 argc -= optind; 1743 argv += optind; 1744 1745 if (cachefile && nsearch != 0) { 1746 (void) fprintf(stderr, gettext("-c is incompatible with -d\n")); 1747 usage(B_FALSE); 1748 } 1749 1750 if ((dryrun || xtreme_rewind) && !do_rewind) { 1751 (void) fprintf(stderr, 1752 gettext("-n or -X only meaningful with -F\n")); 1753 usage(B_FALSE); 1754 } 1755 if (dryrun) 1756 rewind_policy = ZPOOL_TRY_REWIND; 1757 else if (do_rewind) 1758 rewind_policy = ZPOOL_DO_REWIND; 1759 if (xtreme_rewind) 1760 rewind_policy |= ZPOOL_EXTREME_REWIND; 1761 1762 /* In the future, we can capture further policy and include it here */ 1763 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 1764 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 || 1765 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 1766 goto error; 1767 1768 if (searchdirs == NULL) { 1769 searchdirs = safe_malloc(sizeof (char *)); 1770 searchdirs[0] = "/dev/dsk"; 1771 nsearch = 1; 1772 } 1773 1774 /* check argument count */ 1775 if (do_all) { 1776 if (argc != 0) { 1777 (void) fprintf(stderr, gettext("too many arguments\n")); 1778 usage(B_FALSE); 1779 } 1780 } else { 1781 if (argc > 2) { 1782 (void) fprintf(stderr, gettext("too many arguments\n")); 1783 usage(B_FALSE); 1784 } 1785 1786 /* 1787 * Check for the SYS_CONFIG privilege. We do this explicitly 1788 * here because otherwise any attempt to discover pools will 1789 * silently fail. 1790 */ 1791 if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) { 1792 (void) fprintf(stderr, gettext("cannot " 1793 "discover pools: permission denied\n")); 1794 free(searchdirs); 1795 nvlist_free(policy); 1796 return (1); 1797 } 1798 } 1799 1800 /* 1801 * Depending on the arguments given, we do one of the following: 1802 * 1803 * <none> Iterate through all pools and display information about 1804 * each one. 1805 * 1806 * -a Iterate through all pools and try to import each one. 1807 * 1808 * <id> Find the pool that corresponds to the given GUID/pool 1809 * name and import that one. 1810 * 1811 * -D Above options applies only to destroyed pools. 1812 */ 1813 if (argc != 0) { 1814 char *endptr; 1815 1816 errno = 0; 1817 searchguid = strtoull(argv[0], &endptr, 10); 1818 if (errno != 0 || *endptr != '\0') 1819 searchname = argv[0]; 1820 found_config = NULL; 1821 1822 /* 1823 * User specified a name or guid. Ensure it's unique. 1824 */ 1825 idata.unique = B_TRUE; 1826 } 1827 1828 1829 idata.path = searchdirs; 1830 idata.paths = nsearch; 1831 idata.poolname = searchname; 1832 idata.guid = searchguid; 1833 idata.cachefile = cachefile; 1834 1835 pools = zpool_search_import(g_zfs, &idata); 1836 1837 if (pools != NULL && idata.exists && 1838 (argc == 1 || strcmp(argv[0], argv[1]) == 0)) { 1839 (void) fprintf(stderr, gettext("cannot import '%s': " 1840 "a pool with that name already exists\n"), 1841 argv[0]); 1842 (void) fprintf(stderr, gettext("use the form '%s " 1843 "<pool | id> <newpool>' to give it a new name\n"), 1844 "zpool import"); 1845 err = 1; 1846 } else if (pools == NULL && idata.exists) { 1847 (void) fprintf(stderr, gettext("cannot import '%s': " 1848 "a pool with that name is already created/imported,\n"), 1849 argv[0]); 1850 (void) fprintf(stderr, gettext("and no additional pools " 1851 "with that name were found\n")); 1852 err = 1; 1853 } else if (pools == NULL) { 1854 if (argc != 0) { 1855 (void) fprintf(stderr, gettext("cannot import '%s': " 1856 "no such pool available\n"), argv[0]); 1857 } 1858 err = 1; 1859 } 1860 1861 if (err == 1) { 1862 free(searchdirs); 1863 nvlist_free(policy); 1864 return (1); 1865 } 1866 1867 /* 1868 * At this point we have a list of import candidate configs. Even if 1869 * we were searching by pool name or guid, we still need to 1870 * post-process the list to deal with pool state and possible 1871 * duplicate names. 1872 */ 1873 err = 0; 1874 elem = NULL; 1875 first = B_TRUE; 1876 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 1877 1878 verify(nvpair_value_nvlist(elem, &config) == 0); 1879 1880 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, 1881 &pool_state) == 0); 1882 if (!do_destroyed && pool_state == POOL_STATE_DESTROYED) 1883 continue; 1884 if (do_destroyed && pool_state != POOL_STATE_DESTROYED) 1885 continue; 1886 1887 verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY, 1888 policy) == 0); 1889 1890 if (argc == 0) { 1891 if (first) 1892 first = B_FALSE; 1893 else if (!do_all) 1894 (void) printf("\n"); 1895 1896 if (do_all) { 1897 err |= do_import(config, NULL, mntopts, 1898 props, flags); 1899 } else { 1900 show_import(config); 1901 } 1902 } else if (searchname != NULL) { 1903 char *name; 1904 1905 /* 1906 * We are searching for a pool based on name. 1907 */ 1908 verify(nvlist_lookup_string(config, 1909 ZPOOL_CONFIG_POOL_NAME, &name) == 0); 1910 1911 if (strcmp(name, searchname) == 0) { 1912 if (found_config != NULL) { 1913 (void) fprintf(stderr, gettext( 1914 "cannot import '%s': more than " 1915 "one matching pool\n"), searchname); 1916 (void) fprintf(stderr, gettext( 1917 "import by numeric ID instead\n")); 1918 err = B_TRUE; 1919 } 1920 found_config = config; 1921 } 1922 } else { 1923 uint64_t guid; 1924 1925 /* 1926 * Search for a pool by guid. 1927 */ 1928 verify(nvlist_lookup_uint64(config, 1929 ZPOOL_CONFIG_POOL_GUID, &guid) == 0); 1930 1931 if (guid == searchguid) 1932 found_config = config; 1933 } 1934 } 1935 1936 /* 1937 * If we were searching for a specific pool, verify that we found a 1938 * pool, and then do the import. 1939 */ 1940 if (argc != 0 && err == 0) { 1941 if (found_config == NULL) { 1942 (void) fprintf(stderr, gettext("cannot import '%s': " 1943 "no such pool available\n"), argv[0]); 1944 err = B_TRUE; 1945 } else { 1946 err |= do_import(found_config, argc == 1 ? NULL : 1947 argv[1], mntopts, props, flags); 1948 } 1949 } 1950 1951 /* 1952 * If we were just looking for pools, report an error if none were 1953 * found. 1954 */ 1955 if (argc == 0 && first) 1956 (void) fprintf(stderr, 1957 gettext("no pools available to import\n")); 1958 1959 error: 1960 nvlist_free(props); 1961 nvlist_free(pools); 1962 nvlist_free(policy); 1963 free(searchdirs); 1964 1965 return (err ? 1 : 0); 1966 } 1967 1968 typedef struct iostat_cbdata { 1969 zpool_list_t *cb_list; 1970 int cb_verbose; 1971 int cb_iteration; 1972 int cb_namewidth; 1973 } iostat_cbdata_t; 1974 1975 static void 1976 print_iostat_separator(iostat_cbdata_t *cb) 1977 { 1978 int i = 0; 1979 1980 for (i = 0; i < cb->cb_namewidth; i++) 1981 (void) printf("-"); 1982 (void) printf(" ----- ----- ----- ----- ----- -----\n"); 1983 } 1984 1985 static void 1986 print_iostat_header(iostat_cbdata_t *cb) 1987 { 1988 (void) printf("%*s capacity operations bandwidth\n", 1989 cb->cb_namewidth, ""); 1990 (void) printf("%-*s alloc free read write read write\n", 1991 cb->cb_namewidth, "pool"); 1992 print_iostat_separator(cb); 1993 } 1994 1995 /* 1996 * Display a single statistic. 1997 */ 1998 static void 1999 print_one_stat(uint64_t value) 2000 { 2001 char buf[64]; 2002 2003 zfs_nicenum(value, buf, sizeof (buf)); 2004 (void) printf(" %5s", buf); 2005 } 2006 2007 /* 2008 * Print out all the statistics for the given vdev. This can either be the 2009 * toplevel configuration, or called recursively. If 'name' is NULL, then this 2010 * is a verbose output, and we don't want to display the toplevel pool stats. 2011 */ 2012 void 2013 print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv, 2014 nvlist_t *newnv, iostat_cbdata_t *cb, int depth) 2015 { 2016 nvlist_t **oldchild, **newchild; 2017 uint_t c, children; 2018 vdev_stat_t *oldvs, *newvs; 2019 vdev_stat_t zerovs = { 0 }; 2020 uint64_t tdelta; 2021 double scale; 2022 char *vname; 2023 2024 if (oldnv != NULL) { 2025 verify(nvlist_lookup_uint64_array(oldnv, 2026 ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0); 2027 } else { 2028 oldvs = &zerovs; 2029 } 2030 2031 verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS, 2032 (uint64_t **)&newvs, &c) == 0); 2033 2034 if (strlen(name) + depth > cb->cb_namewidth) 2035 (void) printf("%*s%s", depth, "", name); 2036 else 2037 (void) printf("%*s%s%*s", depth, "", name, 2038 (int)(cb->cb_namewidth - strlen(name) - depth), ""); 2039 2040 tdelta = newvs->vs_timestamp - oldvs->vs_timestamp; 2041 2042 if (tdelta == 0) 2043 scale = 1.0; 2044 else 2045 scale = (double)NANOSEC / tdelta; 2046 2047 /* only toplevel vdevs have capacity stats */ 2048 if (newvs->vs_space == 0) { 2049 (void) printf(" - -"); 2050 } else { 2051 print_one_stat(newvs->vs_alloc); 2052 print_one_stat(newvs->vs_space - newvs->vs_alloc); 2053 } 2054 2055 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] - 2056 oldvs->vs_ops[ZIO_TYPE_READ]))); 2057 2058 print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] - 2059 oldvs->vs_ops[ZIO_TYPE_WRITE]))); 2060 2061 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] - 2062 oldvs->vs_bytes[ZIO_TYPE_READ]))); 2063 2064 print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] - 2065 oldvs->vs_bytes[ZIO_TYPE_WRITE]))); 2066 2067 (void) printf("\n"); 2068 2069 if (!cb->cb_verbose) 2070 return; 2071 2072 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN, 2073 &newchild, &children) != 0) 2074 return; 2075 2076 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN, 2077 &oldchild, &c) != 0) 2078 return; 2079 2080 for (c = 0; c < children; c++) { 2081 uint64_t ishole = B_FALSE, islog = B_FALSE; 2082 2083 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE, 2084 &ishole); 2085 2086 (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG, 2087 &islog); 2088 2089 if (ishole || islog) 2090 continue; 2091 2092 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE); 2093 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2094 newchild[c], cb, depth + 2); 2095 free(vname); 2096 } 2097 2098 /* 2099 * Log device section 2100 */ 2101 2102 if (num_logs(newnv) > 0) { 2103 (void) printf("%-*s - - - - - " 2104 "-\n", cb->cb_namewidth, "logs"); 2105 2106 for (c = 0; c < children; c++) { 2107 uint64_t islog = B_FALSE; 2108 (void) nvlist_lookup_uint64(newchild[c], 2109 ZPOOL_CONFIG_IS_LOG, &islog); 2110 2111 if (islog) { 2112 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2113 B_FALSE); 2114 print_vdev_stats(zhp, vname, oldnv ? 2115 oldchild[c] : NULL, newchild[c], 2116 cb, depth + 2); 2117 free(vname); 2118 } 2119 } 2120 2121 } 2122 2123 /* 2124 * Include level 2 ARC devices in iostat output 2125 */ 2126 if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE, 2127 &newchild, &children) != 0) 2128 return; 2129 2130 if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE, 2131 &oldchild, &c) != 0) 2132 return; 2133 2134 if (children > 0) { 2135 (void) printf("%-*s - - - - - " 2136 "-\n", cb->cb_namewidth, "cache"); 2137 for (c = 0; c < children; c++) { 2138 vname = zpool_vdev_name(g_zfs, zhp, newchild[c], 2139 B_FALSE); 2140 print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL, 2141 newchild[c], cb, depth + 2); 2142 free(vname); 2143 } 2144 } 2145 } 2146 2147 static int 2148 refresh_iostat(zpool_handle_t *zhp, void *data) 2149 { 2150 iostat_cbdata_t *cb = data; 2151 boolean_t missing; 2152 2153 /* 2154 * If the pool has disappeared, remove it from the list and continue. 2155 */ 2156 if (zpool_refresh_stats(zhp, &missing) != 0) 2157 return (-1); 2158 2159 if (missing) 2160 pool_list_remove(cb->cb_list, zhp); 2161 2162 return (0); 2163 } 2164 2165 /* 2166 * Callback to print out the iostats for the given pool. 2167 */ 2168 int 2169 print_iostat(zpool_handle_t *zhp, void *data) 2170 { 2171 iostat_cbdata_t *cb = data; 2172 nvlist_t *oldconfig, *newconfig; 2173 nvlist_t *oldnvroot, *newnvroot; 2174 2175 newconfig = zpool_get_config(zhp, &oldconfig); 2176 2177 if (cb->cb_iteration == 1) 2178 oldconfig = NULL; 2179 2180 verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE, 2181 &newnvroot) == 0); 2182 2183 if (oldconfig == NULL) 2184 oldnvroot = NULL; 2185 else 2186 verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE, 2187 &oldnvroot) == 0); 2188 2189 /* 2190 * Print out the statistics for the pool. 2191 */ 2192 print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0); 2193 2194 if (cb->cb_verbose) 2195 print_iostat_separator(cb); 2196 2197 return (0); 2198 } 2199 2200 int 2201 get_namewidth(zpool_handle_t *zhp, void *data) 2202 { 2203 iostat_cbdata_t *cb = data; 2204 nvlist_t *config, *nvroot; 2205 2206 if ((config = zpool_get_config(zhp, NULL)) != NULL) { 2207 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 2208 &nvroot) == 0); 2209 if (!cb->cb_verbose) 2210 cb->cb_namewidth = strlen(zpool_get_name(zhp)); 2211 else 2212 cb->cb_namewidth = max_width(zhp, nvroot, 0, 0); 2213 } 2214 2215 /* 2216 * The width must fall into the range [10,38]. The upper limit is the 2217 * maximum we can have and still fit in 80 columns. 2218 */ 2219 if (cb->cb_namewidth < 10) 2220 cb->cb_namewidth = 10; 2221 if (cb->cb_namewidth > 38) 2222 cb->cb_namewidth = 38; 2223 2224 return (0); 2225 } 2226 2227 /* 2228 * Parse the input string, get the 'interval' and 'count' value if there is one. 2229 */ 2230 static void 2231 get_interval_count(int *argcp, char **argv, unsigned long *iv, 2232 unsigned long *cnt) 2233 { 2234 unsigned long interval = 0, count = 0; 2235 int argc = *argcp, errno; 2236 2237 /* 2238 * Determine if the last argument is an integer or a pool name 2239 */ 2240 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2241 char *end; 2242 2243 errno = 0; 2244 interval = strtoul(argv[argc - 1], &end, 10); 2245 2246 if (*end == '\0' && errno == 0) { 2247 if (interval == 0) { 2248 (void) fprintf(stderr, gettext("interval " 2249 "cannot be zero\n")); 2250 usage(B_FALSE); 2251 } 2252 /* 2253 * Ignore the last parameter 2254 */ 2255 argc--; 2256 } else { 2257 /* 2258 * If this is not a valid number, just plow on. The 2259 * user will get a more informative error message later 2260 * on. 2261 */ 2262 interval = 0; 2263 } 2264 } 2265 2266 /* 2267 * If the last argument is also an integer, then we have both a count 2268 * and an interval. 2269 */ 2270 if (argc > 0 && isdigit(argv[argc - 1][0])) { 2271 char *end; 2272 2273 errno = 0; 2274 count = interval; 2275 interval = strtoul(argv[argc - 1], &end, 10); 2276 2277 if (*end == '\0' && errno == 0) { 2278 if (interval == 0) { 2279 (void) fprintf(stderr, gettext("interval " 2280 "cannot be zero\n")); 2281 usage(B_FALSE); 2282 } 2283 2284 /* 2285 * Ignore the last parameter 2286 */ 2287 argc--; 2288 } else { 2289 interval = 0; 2290 } 2291 } 2292 2293 *iv = interval; 2294 *cnt = count; 2295 *argcp = argc; 2296 } 2297 2298 static void 2299 get_timestamp_arg(char c) 2300 { 2301 if (c == 'u') 2302 timestamp_fmt = UDATE; 2303 else if (c == 'd') 2304 timestamp_fmt = DDATE; 2305 else 2306 usage(B_FALSE); 2307 } 2308 2309 /* 2310 * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]] 2311 * 2312 * -v Display statistics for individual vdevs 2313 * -T Display a timestamp in date(1) or Unix format 2314 * 2315 * This command can be tricky because we want to be able to deal with pool 2316 * creation/destruction as well as vdev configuration changes. The bulk of this 2317 * processing is handled by the pool_list_* routines in zpool_iter.c. We rely 2318 * on pool_list_update() to detect the addition of new pools. Configuration 2319 * changes are all handled within libzfs. 2320 */ 2321 int 2322 zpool_do_iostat(int argc, char **argv) 2323 { 2324 int c; 2325 int ret; 2326 int npools; 2327 unsigned long interval = 0, count = 0; 2328 zpool_list_t *list; 2329 boolean_t verbose = B_FALSE; 2330 iostat_cbdata_t cb; 2331 2332 /* check options */ 2333 while ((c = getopt(argc, argv, "T:v")) != -1) { 2334 switch (c) { 2335 case 'T': 2336 get_timestamp_arg(*optarg); 2337 break; 2338 case 'v': 2339 verbose = B_TRUE; 2340 break; 2341 case '?': 2342 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2343 optopt); 2344 usage(B_FALSE); 2345 } 2346 } 2347 2348 argc -= optind; 2349 argv += optind; 2350 2351 get_interval_count(&argc, argv, &interval, &count); 2352 2353 /* 2354 * Construct the list of all interesting pools. 2355 */ 2356 ret = 0; 2357 if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL) 2358 return (1); 2359 2360 if (pool_list_count(list) == 0 && argc != 0) { 2361 pool_list_free(list); 2362 return (1); 2363 } 2364 2365 if (pool_list_count(list) == 0 && interval == 0) { 2366 pool_list_free(list); 2367 (void) fprintf(stderr, gettext("no pools available\n")); 2368 return (1); 2369 } 2370 2371 /* 2372 * Enter the main iostat loop. 2373 */ 2374 cb.cb_list = list; 2375 cb.cb_verbose = verbose; 2376 cb.cb_iteration = 0; 2377 cb.cb_namewidth = 0; 2378 2379 for (;;) { 2380 pool_list_update(list); 2381 2382 if ((npools = pool_list_count(list)) == 0) 2383 break; 2384 2385 /* 2386 * Refresh all statistics. This is done as an explicit step 2387 * before calculating the maximum name width, so that any 2388 * configuration changes are properly accounted for. 2389 */ 2390 (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb); 2391 2392 /* 2393 * Iterate over all pools to determine the maximum width 2394 * for the pool / device name column across all pools. 2395 */ 2396 cb.cb_namewidth = 0; 2397 (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb); 2398 2399 if (timestamp_fmt != NODATE) 2400 print_timestamp(timestamp_fmt); 2401 2402 /* 2403 * If it's the first time, or verbose mode, print the header. 2404 */ 2405 if (++cb.cb_iteration == 1 || verbose) 2406 print_iostat_header(&cb); 2407 2408 (void) pool_list_iter(list, B_FALSE, print_iostat, &cb); 2409 2410 /* 2411 * If there's more than one pool, and we're not in verbose mode 2412 * (which prints a separator for us), then print a separator. 2413 */ 2414 if (npools > 1 && !verbose) 2415 print_iostat_separator(&cb); 2416 2417 if (verbose) 2418 (void) printf("\n"); 2419 2420 /* 2421 * Flush the output so that redirection to a file isn't buffered 2422 * indefinitely. 2423 */ 2424 (void) fflush(stdout); 2425 2426 if (interval == 0) 2427 break; 2428 2429 if (count != 0 && --count == 0) 2430 break; 2431 2432 (void) sleep(interval); 2433 } 2434 2435 pool_list_free(list); 2436 2437 return (ret); 2438 } 2439 2440 typedef struct list_cbdata { 2441 boolean_t cb_scripted; 2442 boolean_t cb_first; 2443 zprop_list_t *cb_proplist; 2444 } list_cbdata_t; 2445 2446 /* 2447 * Given a list of columns to display, output appropriate headers for each one. 2448 */ 2449 static void 2450 print_header(zprop_list_t *pl) 2451 { 2452 const char *header; 2453 boolean_t first = B_TRUE; 2454 boolean_t right_justify; 2455 2456 for (; pl != NULL; pl = pl->pl_next) { 2457 if (pl->pl_prop == ZPROP_INVAL) 2458 continue; 2459 2460 if (!first) 2461 (void) printf(" "); 2462 else 2463 first = B_FALSE; 2464 2465 header = zpool_prop_column_name(pl->pl_prop); 2466 right_justify = zpool_prop_align_right(pl->pl_prop); 2467 2468 if (pl->pl_next == NULL && !right_justify) 2469 (void) printf("%s", header); 2470 else if (right_justify) 2471 (void) printf("%*s", pl->pl_width, header); 2472 else 2473 (void) printf("%-*s", pl->pl_width, header); 2474 } 2475 2476 (void) printf("\n"); 2477 } 2478 2479 /* 2480 * Given a pool and a list of properties, print out all the properties according 2481 * to the described layout. 2482 */ 2483 static void 2484 print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted) 2485 { 2486 boolean_t first = B_TRUE; 2487 char property[ZPOOL_MAXPROPLEN]; 2488 char *propstr; 2489 boolean_t right_justify; 2490 int width; 2491 2492 for (; pl != NULL; pl = pl->pl_next) { 2493 if (!first) { 2494 if (scripted) 2495 (void) printf("\t"); 2496 else 2497 (void) printf(" "); 2498 } else { 2499 first = B_FALSE; 2500 } 2501 2502 right_justify = B_FALSE; 2503 if (pl->pl_prop != ZPROP_INVAL) { 2504 if (zpool_get_prop(zhp, pl->pl_prop, property, 2505 sizeof (property), NULL) != 0) 2506 propstr = "-"; 2507 else 2508 propstr = property; 2509 2510 right_justify = zpool_prop_align_right(pl->pl_prop); 2511 } else { 2512 propstr = "-"; 2513 } 2514 2515 width = pl->pl_width; 2516 2517 /* 2518 * If this is being called in scripted mode, or if this is the 2519 * last column and it is left-justified, don't include a width 2520 * format specifier. 2521 */ 2522 if (scripted || (pl->pl_next == NULL && !right_justify)) 2523 (void) printf("%s", propstr); 2524 else if (right_justify) 2525 (void) printf("%*s", width, propstr); 2526 else 2527 (void) printf("%-*s", width, propstr); 2528 } 2529 2530 (void) printf("\n"); 2531 } 2532 2533 /* 2534 * Generic callback function to list a pool. 2535 */ 2536 int 2537 list_callback(zpool_handle_t *zhp, void *data) 2538 { 2539 list_cbdata_t *cbp = data; 2540 2541 if (cbp->cb_first) { 2542 if (!cbp->cb_scripted) 2543 print_header(cbp->cb_proplist); 2544 cbp->cb_first = B_FALSE; 2545 } 2546 2547 print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted); 2548 2549 return (0); 2550 } 2551 2552 /* 2553 * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]] 2554 * 2555 * -H Scripted mode. Don't display headers, and separate properties 2556 * by a single tab. 2557 * -o List of properties to display. Defaults to 2558 * "name,size,allocated,free,capacity,health,altroot" 2559 * -T Display a timestamp in date(1) or Unix format 2560 * 2561 * List all pools in the system, whether or not they're healthy. Output space 2562 * statistics for each one, as well as health status summary. 2563 */ 2564 int 2565 zpool_do_list(int argc, char **argv) 2566 { 2567 int c; 2568 int ret; 2569 list_cbdata_t cb = { 0 }; 2570 static char default_props[] = 2571 "name,size,allocated,free,capacity,dedupratio,health,altroot"; 2572 char *props = default_props; 2573 unsigned long interval = 0, count = 0; 2574 2575 /* check options */ 2576 while ((c = getopt(argc, argv, ":Ho:T:")) != -1) { 2577 switch (c) { 2578 case 'H': 2579 cb.cb_scripted = B_TRUE; 2580 break; 2581 case 'o': 2582 props = optarg; 2583 break; 2584 case 'T': 2585 get_timestamp_arg(*optarg); 2586 break; 2587 case ':': 2588 (void) fprintf(stderr, gettext("missing argument for " 2589 "'%c' option\n"), optopt); 2590 usage(B_FALSE); 2591 break; 2592 case '?': 2593 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2594 optopt); 2595 usage(B_FALSE); 2596 } 2597 } 2598 2599 argc -= optind; 2600 argv += optind; 2601 2602 get_interval_count(&argc, argv, &interval, &count); 2603 2604 if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0) 2605 usage(B_FALSE); 2606 2607 cb.cb_first = B_TRUE; 2608 2609 for (;;) { 2610 2611 if (timestamp_fmt != NODATE) 2612 print_timestamp(timestamp_fmt); 2613 2614 ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist, 2615 list_callback, &cb); 2616 2617 if (argc == 0 && cb.cb_first && !cb.cb_scripted) { 2618 (void) printf(gettext("no pools available\n")); 2619 zprop_free_list(cb.cb_proplist); 2620 return (0); 2621 } 2622 2623 if (interval == 0) 2624 break; 2625 2626 if (count != 0 && --count == 0) 2627 break; 2628 2629 (void) sleep(interval); 2630 } 2631 2632 zprop_free_list(cb.cb_proplist); 2633 return (ret); 2634 } 2635 2636 static nvlist_t * 2637 zpool_get_vdev_by_name(nvlist_t *nv, char *name) 2638 { 2639 nvlist_t **child; 2640 uint_t c, children; 2641 nvlist_t *match; 2642 char *path; 2643 2644 if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, 2645 &child, &children) != 0) { 2646 verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0); 2647 if (strncmp(name, "/dev/dsk/", 9) == 0) 2648 name += 9; 2649 if (strncmp(path, "/dev/dsk/", 9) == 0) 2650 path += 9; 2651 if (strcmp(name, path) == 0) 2652 return (nv); 2653 return (NULL); 2654 } 2655 2656 for (c = 0; c < children; c++) 2657 if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL) 2658 return (match); 2659 2660 return (NULL); 2661 } 2662 2663 static int 2664 zpool_do_attach_or_replace(int argc, char **argv, int replacing) 2665 { 2666 boolean_t force = B_FALSE; 2667 int c; 2668 nvlist_t *nvroot; 2669 char *poolname, *old_disk, *new_disk; 2670 zpool_handle_t *zhp; 2671 int ret; 2672 2673 /* check options */ 2674 while ((c = getopt(argc, argv, "f")) != -1) { 2675 switch (c) { 2676 case 'f': 2677 force = B_TRUE; 2678 break; 2679 case '?': 2680 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2681 optopt); 2682 usage(B_FALSE); 2683 } 2684 } 2685 2686 argc -= optind; 2687 argv += optind; 2688 2689 /* get pool name and check number of arguments */ 2690 if (argc < 1) { 2691 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2692 usage(B_FALSE); 2693 } 2694 2695 poolname = argv[0]; 2696 2697 if (argc < 2) { 2698 (void) fprintf(stderr, 2699 gettext("missing <device> specification\n")); 2700 usage(B_FALSE); 2701 } 2702 2703 old_disk = argv[1]; 2704 2705 if (argc < 3) { 2706 if (!replacing) { 2707 (void) fprintf(stderr, 2708 gettext("missing <new_device> specification\n")); 2709 usage(B_FALSE); 2710 } 2711 new_disk = old_disk; 2712 argc -= 1; 2713 argv += 1; 2714 } else { 2715 new_disk = argv[2]; 2716 argc -= 2; 2717 argv += 2; 2718 } 2719 2720 if (argc > 1) { 2721 (void) fprintf(stderr, gettext("too many arguments\n")); 2722 usage(B_FALSE); 2723 } 2724 2725 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2726 return (1); 2727 2728 if (zpool_get_config(zhp, NULL) == NULL) { 2729 (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"), 2730 poolname); 2731 zpool_close(zhp); 2732 return (1); 2733 } 2734 2735 nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE, 2736 argc, argv); 2737 if (nvroot == NULL) { 2738 zpool_close(zhp); 2739 return (1); 2740 } 2741 2742 ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing); 2743 2744 nvlist_free(nvroot); 2745 zpool_close(zhp); 2746 2747 return (ret); 2748 } 2749 2750 /* 2751 * zpool replace [-f] <pool> <device> <new_device> 2752 * 2753 * -f Force attach, even if <new_device> appears to be in use. 2754 * 2755 * Replace <device> with <new_device>. 2756 */ 2757 /* ARGSUSED */ 2758 int 2759 zpool_do_replace(int argc, char **argv) 2760 { 2761 return (zpool_do_attach_or_replace(argc, argv, B_TRUE)); 2762 } 2763 2764 /* 2765 * zpool attach [-f] <pool> <device> <new_device> 2766 * 2767 * -f Force attach, even if <new_device> appears to be in use. 2768 * 2769 * Attach <new_device> to the mirror containing <device>. If <device> is not 2770 * part of a mirror, then <device> will be transformed into a mirror of 2771 * <device> and <new_device>. In either case, <new_device> will begin life 2772 * with a DTL of [0, now], and will immediately begin to resilver itself. 2773 */ 2774 int 2775 zpool_do_attach(int argc, char **argv) 2776 { 2777 return (zpool_do_attach_or_replace(argc, argv, B_FALSE)); 2778 } 2779 2780 /* 2781 * zpool detach [-f] <pool> <device> 2782 * 2783 * -f Force detach of <device>, even if DTLs argue against it 2784 * (not supported yet) 2785 * 2786 * Detach a device from a mirror. The operation will be refused if <device> 2787 * is the last device in the mirror, or if the DTLs indicate that this device 2788 * has the only valid copy of some data. 2789 */ 2790 /* ARGSUSED */ 2791 int 2792 zpool_do_detach(int argc, char **argv) 2793 { 2794 int c; 2795 char *poolname, *path; 2796 zpool_handle_t *zhp; 2797 int ret; 2798 2799 /* check options */ 2800 while ((c = getopt(argc, argv, "f")) != -1) { 2801 switch (c) { 2802 case 'f': 2803 case '?': 2804 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2805 optopt); 2806 usage(B_FALSE); 2807 } 2808 } 2809 2810 argc -= optind; 2811 argv += optind; 2812 2813 /* get pool name and check number of arguments */ 2814 if (argc < 1) { 2815 (void) fprintf(stderr, gettext("missing pool name argument\n")); 2816 usage(B_FALSE); 2817 } 2818 2819 if (argc < 2) { 2820 (void) fprintf(stderr, 2821 gettext("missing <device> specification\n")); 2822 usage(B_FALSE); 2823 } 2824 2825 poolname = argv[0]; 2826 path = argv[1]; 2827 2828 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 2829 return (1); 2830 2831 ret = zpool_vdev_detach(zhp, path); 2832 2833 zpool_close(zhp); 2834 2835 return (ret); 2836 } 2837 2838 /* 2839 * zpool split [-n] [-o prop=val] ... 2840 * [-o mntopt] ... 2841 * [-R altroot] <pool> <newpool> [<device> ...] 2842 * 2843 * -n Do not split the pool, but display the resulting layout if 2844 * it were to be split. 2845 * -o Set property=value, or set mount options. 2846 * -R Mount the split-off pool under an alternate root. 2847 * 2848 * Splits the named pool and gives it the new pool name. Devices to be split 2849 * off may be listed, provided that no more than one device is specified 2850 * per top-level vdev mirror. The newly split pool is left in an exported 2851 * state unless -R is specified. 2852 * 2853 * Restrictions: the top-level of the pool pool must only be made up of 2854 * mirrors; all devices in the pool must be healthy; no device may be 2855 * undergoing a resilvering operation. 2856 */ 2857 int 2858 zpool_do_split(int argc, char **argv) 2859 { 2860 char *srcpool, *newpool, *propval; 2861 char *mntopts = NULL; 2862 splitflags_t flags; 2863 int c, ret = 0; 2864 zpool_handle_t *zhp; 2865 nvlist_t *config, *props = NULL; 2866 2867 flags.dryrun = B_FALSE; 2868 flags.import = B_FALSE; 2869 2870 /* check options */ 2871 while ((c = getopt(argc, argv, ":R:no:")) != -1) { 2872 switch (c) { 2873 case 'R': 2874 flags.import = B_TRUE; 2875 if (add_prop_list( 2876 zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg, 2877 &props, B_TRUE) != 0) { 2878 if (props) 2879 nvlist_free(props); 2880 usage(B_FALSE); 2881 } 2882 break; 2883 case 'n': 2884 flags.dryrun = B_TRUE; 2885 break; 2886 case 'o': 2887 if ((propval = strchr(optarg, '=')) != NULL) { 2888 *propval = '\0'; 2889 propval++; 2890 if (add_prop_list(optarg, propval, 2891 &props, B_TRUE) != 0) { 2892 if (props) 2893 nvlist_free(props); 2894 usage(B_FALSE); 2895 } 2896 } else { 2897 mntopts = optarg; 2898 } 2899 break; 2900 case ':': 2901 (void) fprintf(stderr, gettext("missing argument for " 2902 "'%c' option\n"), optopt); 2903 usage(B_FALSE); 2904 break; 2905 case '?': 2906 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2907 optopt); 2908 usage(B_FALSE); 2909 break; 2910 } 2911 } 2912 2913 if (!flags.import && mntopts != NULL) { 2914 (void) fprintf(stderr, gettext("setting mntopts is only " 2915 "valid when importing the pool\n")); 2916 usage(B_FALSE); 2917 } 2918 2919 argc -= optind; 2920 argv += optind; 2921 2922 if (argc < 1) { 2923 (void) fprintf(stderr, gettext("Missing pool name\n")); 2924 usage(B_FALSE); 2925 } 2926 if (argc < 2) { 2927 (void) fprintf(stderr, gettext("Missing new pool name\n")); 2928 usage(B_FALSE); 2929 } 2930 2931 srcpool = argv[0]; 2932 newpool = argv[1]; 2933 2934 argc -= 2; 2935 argv += 2; 2936 2937 if ((zhp = zpool_open(g_zfs, srcpool)) == NULL) 2938 return (1); 2939 2940 config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv); 2941 if (config == NULL) { 2942 ret = 1; 2943 } else { 2944 if (flags.dryrun) { 2945 (void) printf(gettext("would create '%s' with the " 2946 "following layout:\n\n"), newpool); 2947 print_vdev_tree(NULL, newpool, config, 0, B_FALSE); 2948 } 2949 nvlist_free(config); 2950 } 2951 2952 zpool_close(zhp); 2953 2954 if (ret != 0 || flags.dryrun || !flags.import) 2955 return (ret); 2956 2957 /* 2958 * The split was successful. Now we need to open the new 2959 * pool and import it. 2960 */ 2961 if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL) 2962 return (1); 2963 if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL && 2964 zpool_enable_datasets(zhp, mntopts, 0) != 0) { 2965 ret = 1; 2966 (void) fprintf(stderr, gettext("Split was succssful, but " 2967 "the datasets could not all be mounted\n")); 2968 (void) fprintf(stderr, gettext("Try doing '%s' with a " 2969 "different altroot\n"), "zpool import"); 2970 } 2971 zpool_close(zhp); 2972 2973 return (ret); 2974 } 2975 2976 2977 2978 /* 2979 * zpool online <pool> <device> ... 2980 */ 2981 int 2982 zpool_do_online(int argc, char **argv) 2983 { 2984 int c, i; 2985 char *poolname; 2986 zpool_handle_t *zhp; 2987 int ret = 0; 2988 vdev_state_t newstate; 2989 int flags = 0; 2990 2991 /* check options */ 2992 while ((c = getopt(argc, argv, "et")) != -1) { 2993 switch (c) { 2994 case 'e': 2995 flags |= ZFS_ONLINE_EXPAND; 2996 break; 2997 case 't': 2998 case '?': 2999 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3000 optopt); 3001 usage(B_FALSE); 3002 } 3003 } 3004 3005 argc -= optind; 3006 argv += optind; 3007 3008 /* get pool name and check number of arguments */ 3009 if (argc < 1) { 3010 (void) fprintf(stderr, gettext("missing pool name\n")); 3011 usage(B_FALSE); 3012 } 3013 if (argc < 2) { 3014 (void) fprintf(stderr, gettext("missing device name\n")); 3015 usage(B_FALSE); 3016 } 3017 3018 poolname = argv[0]; 3019 3020 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3021 return (1); 3022 3023 for (i = 1; i < argc; i++) { 3024 if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) { 3025 if (newstate != VDEV_STATE_HEALTHY) { 3026 (void) printf(gettext("warning: device '%s' " 3027 "onlined, but remains in faulted state\n"), 3028 argv[i]); 3029 if (newstate == VDEV_STATE_FAULTED) 3030 (void) printf(gettext("use 'zpool " 3031 "clear' to restore a faulted " 3032 "device\n")); 3033 else 3034 (void) printf(gettext("use 'zpool " 3035 "replace' to replace devices " 3036 "that are no longer present\n")); 3037 } 3038 } else { 3039 ret = 1; 3040 } 3041 } 3042 3043 zpool_close(zhp); 3044 3045 return (ret); 3046 } 3047 3048 /* 3049 * zpool offline [-ft] <pool> <device> ... 3050 * 3051 * -f Force the device into the offline state, even if doing 3052 * so would appear to compromise pool availability. 3053 * (not supported yet) 3054 * 3055 * -t Only take the device off-line temporarily. The offline 3056 * state will not be persistent across reboots. 3057 */ 3058 /* ARGSUSED */ 3059 int 3060 zpool_do_offline(int argc, char **argv) 3061 { 3062 int c, i; 3063 char *poolname; 3064 zpool_handle_t *zhp; 3065 int ret = 0; 3066 boolean_t istmp = B_FALSE; 3067 3068 /* check options */ 3069 while ((c = getopt(argc, argv, "ft")) != -1) { 3070 switch (c) { 3071 case 't': 3072 istmp = B_TRUE; 3073 break; 3074 case 'f': 3075 case '?': 3076 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3077 optopt); 3078 usage(B_FALSE); 3079 } 3080 } 3081 3082 argc -= optind; 3083 argv += optind; 3084 3085 /* get pool name and check number of arguments */ 3086 if (argc < 1) { 3087 (void) fprintf(stderr, gettext("missing pool name\n")); 3088 usage(B_FALSE); 3089 } 3090 if (argc < 2) { 3091 (void) fprintf(stderr, gettext("missing device name\n")); 3092 usage(B_FALSE); 3093 } 3094 3095 poolname = argv[0]; 3096 3097 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) 3098 return (1); 3099 3100 for (i = 1; i < argc; i++) { 3101 if (zpool_vdev_offline(zhp, argv[i], istmp) != 0) 3102 ret = 1; 3103 } 3104 3105 zpool_close(zhp); 3106 3107 return (ret); 3108 } 3109 3110 /* 3111 * zpool clear <pool> [device] 3112 * 3113 * Clear all errors associated with a pool or a particular device. 3114 */ 3115 int 3116 zpool_do_clear(int argc, char **argv) 3117 { 3118 int c; 3119 int ret = 0; 3120 boolean_t dryrun = B_FALSE; 3121 boolean_t do_rewind = B_FALSE; 3122 boolean_t xtreme_rewind = B_FALSE; 3123 uint32_t rewind_policy = ZPOOL_NO_REWIND; 3124 nvlist_t *policy = NULL; 3125 zpool_handle_t *zhp; 3126 char *pool, *device; 3127 3128 /* check options */ 3129 while ((c = getopt(argc, argv, "FnX")) != -1) { 3130 switch (c) { 3131 case 'F': 3132 do_rewind = B_TRUE; 3133 break; 3134 case 'n': 3135 dryrun = B_TRUE; 3136 break; 3137 case 'X': 3138 xtreme_rewind = B_TRUE; 3139 break; 3140 case '?': 3141 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3142 optopt); 3143 usage(B_FALSE); 3144 } 3145 } 3146 3147 argc -= optind; 3148 argv += optind; 3149 3150 if (argc < 1) { 3151 (void) fprintf(stderr, gettext("missing pool name\n")); 3152 usage(B_FALSE); 3153 } 3154 3155 if (argc > 2) { 3156 (void) fprintf(stderr, gettext("too many arguments\n")); 3157 usage(B_FALSE); 3158 } 3159 3160 if ((dryrun || xtreme_rewind) && !do_rewind) { 3161 (void) fprintf(stderr, 3162 gettext("-n or -X only meaningful with -F\n")); 3163 usage(B_FALSE); 3164 } 3165 if (dryrun) 3166 rewind_policy = ZPOOL_TRY_REWIND; 3167 else if (do_rewind) 3168 rewind_policy = ZPOOL_DO_REWIND; 3169 if (xtreme_rewind) 3170 rewind_policy |= ZPOOL_EXTREME_REWIND; 3171 3172 /* In future, further rewind policy choices can be passed along here */ 3173 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 3174 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0) 3175 return (1); 3176 3177 pool = argv[0]; 3178 device = argc == 2 ? argv[1] : NULL; 3179 3180 if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) { 3181 nvlist_free(policy); 3182 return (1); 3183 } 3184 3185 if (zpool_clear(zhp, device, policy) != 0) 3186 ret = 1; 3187 3188 zpool_close(zhp); 3189 3190 nvlist_free(policy); 3191 3192 return (ret); 3193 } 3194 3195 typedef struct scrub_cbdata { 3196 int cb_type; 3197 int cb_argc; 3198 char **cb_argv; 3199 } scrub_cbdata_t; 3200 3201 int 3202 scrub_callback(zpool_handle_t *zhp, void *data) 3203 { 3204 scrub_cbdata_t *cb = data; 3205 int err; 3206 3207 /* 3208 * Ignore faulted pools. 3209 */ 3210 if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) { 3211 (void) fprintf(stderr, gettext("cannot scrub '%s': pool is " 3212 "currently unavailable\n"), zpool_get_name(zhp)); 3213 return (1); 3214 } 3215 3216 err = zpool_scan(zhp, cb->cb_type); 3217 3218 return (err != 0); 3219 } 3220 3221 /* 3222 * zpool scrub [-s] <pool> ... 3223 * 3224 * -s Stop. Stops any in-progress scrub. 3225 */ 3226 int 3227 zpool_do_scrub(int argc, char **argv) 3228 { 3229 int c; 3230 scrub_cbdata_t cb; 3231 3232 cb.cb_type = POOL_SCAN_SCRUB; 3233 3234 /* check options */ 3235 while ((c = getopt(argc, argv, "s")) != -1) { 3236 switch (c) { 3237 case 's': 3238 cb.cb_type = POOL_SCAN_NONE; 3239 break; 3240 case '?': 3241 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3242 optopt); 3243 usage(B_FALSE); 3244 } 3245 } 3246 3247 cb.cb_argc = argc; 3248 cb.cb_argv = argv; 3249 argc -= optind; 3250 argv += optind; 3251 3252 if (argc < 1) { 3253 (void) fprintf(stderr, gettext("missing pool name argument\n")); 3254 usage(B_FALSE); 3255 } 3256 3257 return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb)); 3258 } 3259 3260 typedef struct status_cbdata { 3261 int cb_count; 3262 boolean_t cb_allpools; 3263 boolean_t cb_verbose; 3264 boolean_t cb_explain; 3265 boolean_t cb_first; 3266 boolean_t cb_dedup_stats; 3267 } status_cbdata_t; 3268 3269 /* 3270 * Print out detailed scrub status. 3271 */ 3272 void 3273 print_scan_status(pool_scan_stat_t *ps) 3274 { 3275 time_t start, end; 3276 uint64_t elapsed, mins_left, hours_left; 3277 uint64_t pass_exam, examined, total; 3278 uint_t rate; 3279 double fraction_done; 3280 char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7]; 3281 3282 (void) printf(gettext(" scan: ")); 3283 3284 /* If there's never been a scan, there's not much to say. */ 3285 if (ps == NULL || ps->pss_func == POOL_SCAN_NONE || 3286 ps->pss_func >= POOL_SCAN_FUNCS) { 3287 (void) printf(gettext("none requested\n")); 3288 return; 3289 } 3290 3291 start = ps->pss_start_time; 3292 end = ps->pss_end_time; 3293 zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf)); 3294 3295 assert(ps->pss_func == POOL_SCAN_SCRUB || 3296 ps->pss_func == POOL_SCAN_RESILVER); 3297 /* 3298 * Scan is finished or canceled. 3299 */ 3300 if (ps->pss_state == DSS_FINISHED) { 3301 uint64_t minutes_taken = (end - start) / 60; 3302 char *fmt; 3303 3304 if (ps->pss_func == POOL_SCAN_SCRUB) { 3305 fmt = gettext("scrub repaired %s in %lluh%um with " 3306 "%llu errors on %s"); 3307 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3308 fmt = gettext("resilvered %s in %lluh%um with " 3309 "%llu errors on %s"); 3310 } 3311 /* LINTED */ 3312 (void) printf(fmt, processed_buf, 3313 (u_longlong_t)(minutes_taken / 60), 3314 (uint_t)(minutes_taken % 60), 3315 (u_longlong_t)ps->pss_errors, 3316 ctime((time_t *)&end)); 3317 return; 3318 } else if (ps->pss_state == DSS_CANCELED) { 3319 if (ps->pss_func == POOL_SCAN_SCRUB) { 3320 (void) printf(gettext("scrub canceled on %s"), 3321 ctime(&end)); 3322 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3323 (void) printf(gettext("resilver canceled on %s"), 3324 ctime(&end)); 3325 } 3326 return; 3327 } 3328 3329 assert(ps->pss_state == DSS_SCANNING); 3330 3331 /* 3332 * Scan is in progress. 3333 */ 3334 if (ps->pss_func == POOL_SCAN_SCRUB) { 3335 (void) printf(gettext("scrub in progress since %s"), 3336 ctime(&start)); 3337 } else if (ps->pss_func == POOL_SCAN_RESILVER) { 3338 (void) printf(gettext("resilver in progress since %s"), 3339 ctime(&start)); 3340 } 3341 3342 examined = ps->pss_examined ? ps->pss_examined : 1; 3343 total = ps->pss_to_examine; 3344 fraction_done = (double)examined / total; 3345 3346 /* elapsed time for this pass */ 3347 elapsed = time(NULL) - ps->pss_pass_start; 3348 elapsed = elapsed ? elapsed : 1; 3349 pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1; 3350 rate = pass_exam / elapsed; 3351 rate = rate ? rate : 1; 3352 mins_left = ((total - examined) / rate) / 60; 3353 hours_left = mins_left / 60; 3354 3355 zfs_nicenum(examined, examined_buf, sizeof (examined_buf)); 3356 zfs_nicenum(total, total_buf, sizeof (total_buf)); 3357 zfs_nicenum(rate, rate_buf, sizeof (rate_buf)); 3358 3359 /* 3360 * do not print estimated time if hours_left is more than 30 days 3361 */ 3362 (void) printf(gettext(" %s scanned out of %s at %s/s"), 3363 examined_buf, total_buf, rate_buf); 3364 if (hours_left < (30 * 24)) { 3365 (void) printf(gettext(", %lluh%um to go\n"), 3366 (u_longlong_t)hours_left, (uint_t)(mins_left % 60)); 3367 } else { 3368 (void) printf(gettext( 3369 ", (scan is slow, no estimated time)\n")); 3370 } 3371 3372 if (ps->pss_func == POOL_SCAN_RESILVER) { 3373 (void) printf(gettext(" %s resilvered, %.2f%% done\n"), 3374 processed_buf, 100 * fraction_done); 3375 } else if (ps->pss_func == POOL_SCAN_SCRUB) { 3376 (void) printf(gettext(" %s repaired, %.2f%% done\n"), 3377 processed_buf, 100 * fraction_done); 3378 } 3379 } 3380 3381 static void 3382 print_error_log(zpool_handle_t *zhp) 3383 { 3384 nvlist_t *nverrlist = NULL; 3385 nvpair_t *elem; 3386 char *pathname; 3387 size_t len = MAXPATHLEN * 2; 3388 3389 if (zpool_get_errlog(zhp, &nverrlist) != 0) { 3390 (void) printf("errors: List of errors unavailable " 3391 "(insufficient privileges)\n"); 3392 return; 3393 } 3394 3395 (void) printf("errors: Permanent errors have been " 3396 "detected in the following files:\n\n"); 3397 3398 pathname = safe_malloc(len); 3399 elem = NULL; 3400 while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) { 3401 nvlist_t *nv; 3402 uint64_t dsobj, obj; 3403 3404 verify(nvpair_value_nvlist(elem, &nv) == 0); 3405 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET, 3406 &dsobj) == 0); 3407 verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT, 3408 &obj) == 0); 3409 zpool_obj_to_path(zhp, dsobj, obj, pathname, len); 3410 (void) printf("%7s %s\n", "", pathname); 3411 } 3412 free(pathname); 3413 nvlist_free(nverrlist); 3414 } 3415 3416 static void 3417 print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares, 3418 int namewidth) 3419 { 3420 uint_t i; 3421 char *name; 3422 3423 if (nspares == 0) 3424 return; 3425 3426 (void) printf(gettext("\tspares\n")); 3427 3428 for (i = 0; i < nspares; i++) { 3429 name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE); 3430 print_status_config(zhp, name, spares[i], 3431 namewidth, 2, B_TRUE); 3432 free(name); 3433 } 3434 } 3435 3436 static void 3437 print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache, 3438 int namewidth) 3439 { 3440 uint_t i; 3441 char *name; 3442 3443 if (nl2cache == 0) 3444 return; 3445 3446 (void) printf(gettext("\tcache\n")); 3447 3448 for (i = 0; i < nl2cache; i++) { 3449 name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE); 3450 print_status_config(zhp, name, l2cache[i], 3451 namewidth, 2, B_FALSE); 3452 free(name); 3453 } 3454 } 3455 3456 static void 3457 print_dedup_stats(nvlist_t *config) 3458 { 3459 ddt_histogram_t *ddh; 3460 ddt_stat_t *dds; 3461 ddt_object_t *ddo; 3462 uint_t c; 3463 3464 /* 3465 * If the pool was faulted then we may not have been able to 3466 * obtain the config. Otherwise, if have anything in the dedup 3467 * table continue processing the stats. 3468 */ 3469 if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS, 3470 (uint64_t **)&ddo, &c) != 0 || ddo->ddo_count == 0) 3471 return; 3472 3473 (void) printf("\n"); 3474 (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n", 3475 (u_longlong_t)ddo->ddo_count, 3476 (u_longlong_t)ddo->ddo_dspace, 3477 (u_longlong_t)ddo->ddo_mspace); 3478 3479 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS, 3480 (uint64_t **)&dds, &c) == 0); 3481 verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM, 3482 (uint64_t **)&ddh, &c) == 0); 3483 zpool_dump_ddt(dds, ddh); 3484 } 3485 3486 /* 3487 * Display a summary of pool status. Displays a summary such as: 3488 * 3489 * pool: tank 3490 * status: DEGRADED 3491 * reason: One or more devices ... 3492 * see: http://www.sun.com/msg/ZFS-xxxx-01 3493 * config: 3494 * mirror DEGRADED 3495 * c1t0d0 OK 3496 * c2t0d0 UNAVAIL 3497 * 3498 * When given the '-v' option, we print out the complete config. If the '-e' 3499 * option is specified, then we print out error rate information as well. 3500 */ 3501 int 3502 status_callback(zpool_handle_t *zhp, void *data) 3503 { 3504 status_cbdata_t *cbp = data; 3505 nvlist_t *config, *nvroot; 3506 char *msgid; 3507 int reason; 3508 const char *health; 3509 uint_t c; 3510 vdev_stat_t *vs; 3511 3512 config = zpool_get_config(zhp, NULL); 3513 reason = zpool_get_status(zhp, &msgid); 3514 3515 cbp->cb_count++; 3516 3517 /* 3518 * If we were given 'zpool status -x', only report those pools with 3519 * problems. 3520 */ 3521 if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) { 3522 if (!cbp->cb_allpools) { 3523 (void) printf(gettext("pool '%s' is healthy\n"), 3524 zpool_get_name(zhp)); 3525 if (cbp->cb_first) 3526 cbp->cb_first = B_FALSE; 3527 } 3528 return (0); 3529 } 3530 3531 if (cbp->cb_first) 3532 cbp->cb_first = B_FALSE; 3533 else 3534 (void) printf("\n"); 3535 3536 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, 3537 &nvroot) == 0); 3538 verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS, 3539 (uint64_t **)&vs, &c) == 0); 3540 health = zpool_state_to_name(vs->vs_state, vs->vs_aux); 3541 3542 (void) printf(gettext(" pool: %s\n"), zpool_get_name(zhp)); 3543 (void) printf(gettext(" state: %s\n"), health); 3544 3545 switch (reason) { 3546 case ZPOOL_STATUS_MISSING_DEV_R: 3547 (void) printf(gettext("status: One or more devices could not " 3548 "be opened. Sufficient replicas exist for\n\tthe pool to " 3549 "continue functioning in a degraded state.\n")); 3550 (void) printf(gettext("action: Attach the missing device and " 3551 "online it using 'zpool online'.\n")); 3552 break; 3553 3554 case ZPOOL_STATUS_MISSING_DEV_NR: 3555 (void) printf(gettext("status: One or more devices could not " 3556 "be opened. There are insufficient\n\treplicas for the " 3557 "pool to continue functioning.\n")); 3558 (void) printf(gettext("action: Attach the missing device and " 3559 "online it using 'zpool online'.\n")); 3560 break; 3561 3562 case ZPOOL_STATUS_CORRUPT_LABEL_R: 3563 (void) printf(gettext("status: One or more devices could not " 3564 "be used because the label is missing or\n\tinvalid. " 3565 "Sufficient replicas exist for the pool to continue\n\t" 3566 "functioning in a degraded state.\n")); 3567 (void) printf(gettext("action: Replace the device using " 3568 "'zpool replace'.\n")); 3569 break; 3570 3571 case ZPOOL_STATUS_CORRUPT_LABEL_NR: 3572 (void) printf(gettext("status: One or more devices could not " 3573 "be used because the label is missing \n\tor invalid. " 3574 "There are insufficient replicas for the pool to " 3575 "continue\n\tfunctioning.\n")); 3576 zpool_explain_recover(zpool_get_handle(zhp), 3577 zpool_get_name(zhp), reason, config); 3578 break; 3579 3580 case ZPOOL_STATUS_FAILING_DEV: 3581 (void) printf(gettext("status: One or more devices has " 3582 "experienced an unrecoverable error. An\n\tattempt was " 3583 "made to correct the error. Applications are " 3584 "unaffected.\n")); 3585 (void) printf(gettext("action: Determine if the device needs " 3586 "to be replaced, and clear the errors\n\tusing " 3587 "'zpool clear' or replace the device with 'zpool " 3588 "replace'.\n")); 3589 break; 3590 3591 case ZPOOL_STATUS_OFFLINE_DEV: 3592 (void) printf(gettext("status: One or more devices has " 3593 "been taken offline by the administrator.\n\tSufficient " 3594 "replicas exist for the pool to continue functioning in " 3595 "a\n\tdegraded state.\n")); 3596 (void) printf(gettext("action: Online the device using " 3597 "'zpool online' or replace the device with\n\t'zpool " 3598 "replace'.\n")); 3599 break; 3600 3601 case ZPOOL_STATUS_REMOVED_DEV: 3602 (void) printf(gettext("status: One or more devices has " 3603 "been removed by the administrator.\n\tSufficient " 3604 "replicas exist for the pool to continue functioning in " 3605 "a\n\tdegraded state.\n")); 3606 (void) printf(gettext("action: Online the device using " 3607 "'zpool online' or replace the device with\n\t'zpool " 3608 "replace'.\n")); 3609 break; 3610 3611 case ZPOOL_STATUS_RESILVERING: 3612 (void) printf(gettext("status: One or more devices is " 3613 "currently being resilvered. The pool will\n\tcontinue " 3614 "to function, possibly in a degraded state.\n")); 3615 (void) printf(gettext("action: Wait for the resilver to " 3616 "complete.\n")); 3617 break; 3618 3619 case ZPOOL_STATUS_CORRUPT_DATA: 3620 (void) printf(gettext("status: One or more devices has " 3621 "experienced an error resulting in data\n\tcorruption. " 3622 "Applications may be affected.\n")); 3623 (void) printf(gettext("action: Restore the file in question " 3624 "if possible. Otherwise restore the\n\tentire pool from " 3625 "backup.\n")); 3626 break; 3627 3628 case ZPOOL_STATUS_CORRUPT_POOL: 3629 (void) printf(gettext("status: The pool metadata is corrupted " 3630 "and the pool cannot be opened.\n")); 3631 zpool_explain_recover(zpool_get_handle(zhp), 3632 zpool_get_name(zhp), reason, config); 3633 break; 3634 3635 case ZPOOL_STATUS_VERSION_OLDER: 3636 (void) printf(gettext("status: The pool is formatted using an " 3637 "older on-disk format. The pool can\n\tstill be used, but " 3638 "some features are unavailable.\n")); 3639 (void) printf(gettext("action: Upgrade the pool using 'zpool " 3640 "upgrade'. Once this is done, the\n\tpool will no longer " 3641 "be accessible on older software versions.\n")); 3642 break; 3643 3644 case ZPOOL_STATUS_VERSION_NEWER: 3645 (void) printf(gettext("status: The pool has been upgraded to a " 3646 "newer, incompatible on-disk version.\n\tThe pool cannot " 3647 "be accessed on this system.\n")); 3648 (void) printf(gettext("action: Access the pool from a system " 3649 "running more recent software, or\n\trestore the pool from " 3650 "backup.\n")); 3651 break; 3652 3653 case ZPOOL_STATUS_FAULTED_DEV_R: 3654 (void) printf(gettext("status: One or more devices are " 3655 "faulted in response to persistent errors.\n\tSufficient " 3656 "replicas exist for the pool to continue functioning " 3657 "in a\n\tdegraded state.\n")); 3658 (void) printf(gettext("action: Replace the faulted device, " 3659 "or use 'zpool clear' to mark the device\n\trepaired.\n")); 3660 break; 3661 3662 case ZPOOL_STATUS_FAULTED_DEV_NR: 3663 (void) printf(gettext("status: One or more devices are " 3664 "faulted in response to persistent errors. There are " 3665 "insufficient replicas for the pool to\n\tcontinue " 3666 "functioning.\n")); 3667 (void) printf(gettext("action: Destroy and re-create the pool " 3668 "from a backup source. Manually marking the device\n" 3669 "\trepaired using 'zpool clear' may allow some data " 3670 "to be recovered.\n")); 3671 break; 3672 3673 case ZPOOL_STATUS_IO_FAILURE_WAIT: 3674 case ZPOOL_STATUS_IO_FAILURE_CONTINUE: 3675 (void) printf(gettext("status: One or more devices are " 3676 "faulted in response to IO failures.\n")); 3677 (void) printf(gettext("action: Make sure the affected devices " 3678 "are connected, then run 'zpool clear'.\n")); 3679 break; 3680 3681 case ZPOOL_STATUS_BAD_LOG: 3682 (void) printf(gettext("status: An intent log record " 3683 "could not be read.\n" 3684 "\tWaiting for adminstrator intervention to fix the " 3685 "faulted pool.\n")); 3686 (void) printf(gettext("action: Either restore the affected " 3687 "device(s) and run 'zpool online',\n" 3688 "\tor ignore the intent log records by running " 3689 "'zpool clear'.\n")); 3690 break; 3691 3692 default: 3693 /* 3694 * The remaining errors can't actually be generated, yet. 3695 */ 3696 assert(reason == ZPOOL_STATUS_OK); 3697 } 3698 3699 if (msgid != NULL) 3700 (void) printf(gettext(" see: http://www.sun.com/msg/%s\n"), 3701 msgid); 3702 3703 if (config != NULL) { 3704 int namewidth; 3705 uint64_t nerr; 3706 nvlist_t **spares, **l2cache; 3707 uint_t nspares, nl2cache; 3708 pool_scan_stat_t *ps = NULL; 3709 3710 (void) nvlist_lookup_uint64_array(nvroot, 3711 ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c); 3712 print_scan_status(ps); 3713 3714 namewidth = max_width(zhp, nvroot, 0, 0); 3715 if (namewidth < 10) 3716 namewidth = 10; 3717 3718 (void) printf(gettext("config:\n\n")); 3719 (void) printf(gettext("\t%-*s %-8s %5s %5s %5s\n"), namewidth, 3720 "NAME", "STATE", "READ", "WRITE", "CKSUM"); 3721 print_status_config(zhp, zpool_get_name(zhp), nvroot, 3722 namewidth, 0, B_FALSE); 3723 3724 if (num_logs(nvroot) > 0) 3725 print_logs(zhp, nvroot, namewidth, B_TRUE); 3726 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE, 3727 &l2cache, &nl2cache) == 0) 3728 print_l2cache(zhp, l2cache, nl2cache, namewidth); 3729 3730 if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES, 3731 &spares, &nspares) == 0) 3732 print_spares(zhp, spares, nspares, namewidth); 3733 3734 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT, 3735 &nerr) == 0) { 3736 nvlist_t *nverrlist = NULL; 3737 3738 /* 3739 * If the approximate error count is small, get a 3740 * precise count by fetching the entire log and 3741 * uniquifying the results. 3742 */ 3743 if (nerr > 0 && nerr < 100 && !cbp->cb_verbose && 3744 zpool_get_errlog(zhp, &nverrlist) == 0) { 3745 nvpair_t *elem; 3746 3747 elem = NULL; 3748 nerr = 0; 3749 while ((elem = nvlist_next_nvpair(nverrlist, 3750 elem)) != NULL) { 3751 nerr++; 3752 } 3753 } 3754 nvlist_free(nverrlist); 3755 3756 (void) printf("\n"); 3757 3758 if (nerr == 0) 3759 (void) printf(gettext("errors: No known data " 3760 "errors\n")); 3761 else if (!cbp->cb_verbose) 3762 (void) printf(gettext("errors: %llu data " 3763 "errors, use '-v' for a list\n"), 3764 (u_longlong_t)nerr); 3765 else 3766 print_error_log(zhp); 3767 } 3768 3769 if (cbp->cb_dedup_stats) 3770 print_dedup_stats(config); 3771 } else { 3772 (void) printf(gettext("config: The configuration cannot be " 3773 "determined.\n")); 3774 } 3775 3776 return (0); 3777 } 3778 3779 /* 3780 * zpool status [-vx] [-T d|u] [pool] ... [interval [count]] 3781 * 3782 * -v Display complete error logs 3783 * -x Display only pools with potential problems 3784 * -D Display dedup status (undocumented) 3785 * -T Display a timestamp in date(1) or Unix format 3786 * 3787 * Describes the health status of all pools or some subset. 3788 */ 3789 int 3790 zpool_do_status(int argc, char **argv) 3791 { 3792 int c; 3793 int ret; 3794 unsigned long interval = 0, count = 0; 3795 status_cbdata_t cb = { 0 }; 3796 3797 /* check options */ 3798 while ((c = getopt(argc, argv, "vxDT:")) != -1) { 3799 switch (c) { 3800 case 'v': 3801 cb.cb_verbose = B_TRUE; 3802 break; 3803 case 'x': 3804 cb.cb_explain = B_TRUE; 3805 break; 3806 case 'D': 3807 cb.cb_dedup_stats = B_TRUE; 3808 break; 3809 case 'T': 3810 get_timestamp_arg(*optarg); 3811 break; 3812 case '?': 3813 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3814 optopt); 3815 usage(B_FALSE); 3816 } 3817 } 3818 3819 argc -= optind; 3820 argv += optind; 3821 3822 get_interval_count(&argc, argv, &interval, &count); 3823 3824 if (argc == 0) 3825 cb.cb_allpools = B_TRUE; 3826 3827 cb.cb_first = B_TRUE; 3828 3829 for (;;) { 3830 if (timestamp_fmt != NODATE) 3831 print_timestamp(timestamp_fmt); 3832 3833 ret = for_each_pool(argc, argv, B_TRUE, NULL, 3834 status_callback, &cb); 3835 3836 if (argc == 0 && cb.cb_count == 0) 3837 (void) printf(gettext("no pools available\n")); 3838 else if (cb.cb_explain && cb.cb_first && cb.cb_allpools) 3839 (void) printf(gettext("all pools are healthy\n")); 3840 3841 if (ret != 0) 3842 return (ret); 3843 3844 if (interval == 0) 3845 break; 3846 3847 if (count != 0 && --count == 0) 3848 break; 3849 3850 (void) sleep(interval); 3851 } 3852 3853 return (0); 3854 } 3855 3856 typedef struct upgrade_cbdata { 3857 int cb_all; 3858 int cb_first; 3859 int cb_newer; 3860 int cb_argc; 3861 uint64_t cb_version; 3862 char **cb_argv; 3863 } upgrade_cbdata_t; 3864 3865 static int 3866 upgrade_cb(zpool_handle_t *zhp, void *arg) 3867 { 3868 upgrade_cbdata_t *cbp = arg; 3869 nvlist_t *config; 3870 uint64_t version; 3871 int ret = 0; 3872 3873 config = zpool_get_config(zhp, NULL); 3874 verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION, 3875 &version) == 0); 3876 3877 if (!cbp->cb_newer && version < SPA_VERSION) { 3878 if (!cbp->cb_all) { 3879 if (cbp->cb_first) { 3880 (void) printf(gettext("The following pools are " 3881 "out of date, and can be upgraded. After " 3882 "being\nupgraded, these pools will no " 3883 "longer be accessible by older software " 3884 "versions.\n\n")); 3885 (void) printf(gettext("VER POOL\n")); 3886 (void) printf(gettext("--- ------------\n")); 3887 cbp->cb_first = B_FALSE; 3888 } 3889 3890 (void) printf("%2llu %s\n", (u_longlong_t)version, 3891 zpool_get_name(zhp)); 3892 } else { 3893 cbp->cb_first = B_FALSE; 3894 ret = zpool_upgrade(zhp, cbp->cb_version); 3895 if (!ret) { 3896 (void) printf(gettext("Successfully upgraded " 3897 "'%s'\n\n"), zpool_get_name(zhp)); 3898 } 3899 } 3900 } else if (cbp->cb_newer && version > SPA_VERSION) { 3901 assert(!cbp->cb_all); 3902 3903 if (cbp->cb_first) { 3904 (void) printf(gettext("The following pools are " 3905 "formatted using a newer software version and\n" 3906 "cannot be accessed on the current system.\n\n")); 3907 (void) printf(gettext("VER POOL\n")); 3908 (void) printf(gettext("--- ------------\n")); 3909 cbp->cb_first = B_FALSE; 3910 } 3911 3912 (void) printf("%2llu %s\n", (u_longlong_t)version, 3913 zpool_get_name(zhp)); 3914 } 3915 3916 zpool_close(zhp); 3917 return (ret); 3918 } 3919 3920 /* ARGSUSED */ 3921 static int 3922 upgrade_one(zpool_handle_t *zhp, void *data) 3923 { 3924 upgrade_cbdata_t *cbp = data; 3925 uint64_t cur_version; 3926 int ret; 3927 3928 if (strcmp("log", zpool_get_name(zhp)) == 0) { 3929 (void) printf(gettext("'log' is now a reserved word\n" 3930 "Pool 'log' must be renamed using export and import" 3931 " to upgrade.\n")); 3932 return (1); 3933 } 3934 3935 cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL); 3936 if (cur_version > cbp->cb_version) { 3937 (void) printf(gettext("Pool '%s' is already formatted " 3938 "using more current version '%llu'.\n"), 3939 zpool_get_name(zhp), cur_version); 3940 return (0); 3941 } 3942 if (cur_version == cbp->cb_version) { 3943 (void) printf(gettext("Pool '%s' is already formatted " 3944 "using the current version.\n"), zpool_get_name(zhp)); 3945 return (0); 3946 } 3947 3948 ret = zpool_upgrade(zhp, cbp->cb_version); 3949 3950 if (!ret) { 3951 (void) printf(gettext("Successfully upgraded '%s' " 3952 "from version %llu to version %llu\n\n"), 3953 zpool_get_name(zhp), (u_longlong_t)cur_version, 3954 (u_longlong_t)cbp->cb_version); 3955 } 3956 3957 return (ret != 0); 3958 } 3959 3960 /* 3961 * zpool upgrade 3962 * zpool upgrade -v 3963 * zpool upgrade [-V version] <-a | pool ...> 3964 * 3965 * With no arguments, display downrev'd ZFS pool available for upgrade. 3966 * Individual pools can be upgraded by specifying the pool, and '-a' will 3967 * upgrade all pools. 3968 */ 3969 int 3970 zpool_do_upgrade(int argc, char **argv) 3971 { 3972 int c; 3973 upgrade_cbdata_t cb = { 0 }; 3974 int ret = 0; 3975 boolean_t showversions = B_FALSE; 3976 char *end; 3977 3978 3979 /* check options */ 3980 while ((c = getopt(argc, argv, ":avV:")) != -1) { 3981 switch (c) { 3982 case 'a': 3983 cb.cb_all = B_TRUE; 3984 break; 3985 case 'v': 3986 showversions = B_TRUE; 3987 break; 3988 case 'V': 3989 cb.cb_version = strtoll(optarg, &end, 10); 3990 if (*end != '\0' || cb.cb_version > SPA_VERSION || 3991 cb.cb_version < SPA_VERSION_1) { 3992 (void) fprintf(stderr, 3993 gettext("invalid version '%s'\n"), optarg); 3994 usage(B_FALSE); 3995 } 3996 break; 3997 case ':': 3998 (void) fprintf(stderr, gettext("missing argument for " 3999 "'%c' option\n"), optopt); 4000 usage(B_FALSE); 4001 break; 4002 case '?': 4003 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4004 optopt); 4005 usage(B_FALSE); 4006 } 4007 } 4008 4009 cb.cb_argc = argc; 4010 cb.cb_argv = argv; 4011 argc -= optind; 4012 argv += optind; 4013 4014 if (cb.cb_version == 0) { 4015 cb.cb_version = SPA_VERSION; 4016 } else if (!cb.cb_all && argc == 0) { 4017 (void) fprintf(stderr, gettext("-V option is " 4018 "incompatible with other arguments\n")); 4019 usage(B_FALSE); 4020 } 4021 4022 if (showversions) { 4023 if (cb.cb_all || argc != 0) { 4024 (void) fprintf(stderr, gettext("-v option is " 4025 "incompatible with other arguments\n")); 4026 usage(B_FALSE); 4027 } 4028 } else if (cb.cb_all) { 4029 if (argc != 0) { 4030 (void) fprintf(stderr, gettext("-a option should not " 4031 "be used along with a pool name\n")); 4032 usage(B_FALSE); 4033 } 4034 } 4035 4036 (void) printf(gettext("This system is currently running " 4037 "ZFS pool version %llu.\n\n"), SPA_VERSION); 4038 cb.cb_first = B_TRUE; 4039 if (showversions) { 4040 (void) printf(gettext("The following versions are " 4041 "supported:\n\n")); 4042 (void) printf(gettext("VER DESCRIPTION\n")); 4043 (void) printf("--- -----------------------------------------" 4044 "---------------\n"); 4045 (void) printf(gettext(" 1 Initial ZFS version\n")); 4046 (void) printf(gettext(" 2 Ditto blocks " 4047 "(replicated metadata)\n")); 4048 (void) printf(gettext(" 3 Hot spares and double parity " 4049 "RAID-Z\n")); 4050 (void) printf(gettext(" 4 zpool history\n")); 4051 (void) printf(gettext(" 5 Compression using the gzip " 4052 "algorithm\n")); 4053 (void) printf(gettext(" 6 bootfs pool property\n")); 4054 (void) printf(gettext(" 7 Separate intent log devices\n")); 4055 (void) printf(gettext(" 8 Delegated administration\n")); 4056 (void) printf(gettext(" 9 refquota and refreservation " 4057 "properties\n")); 4058 (void) printf(gettext(" 10 Cache devices\n")); 4059 (void) printf(gettext(" 11 Improved scrub performance\n")); 4060 (void) printf(gettext(" 12 Snapshot properties\n")); 4061 (void) printf(gettext(" 13 snapused property\n")); 4062 (void) printf(gettext(" 14 passthrough-x aclinherit\n")); 4063 (void) printf(gettext(" 15 user/group space accounting\n")); 4064 (void) printf(gettext(" 16 stmf property support\n")); 4065 (void) printf(gettext(" 17 Triple-parity RAID-Z\n")); 4066 (void) printf(gettext(" 18 Snapshot user holds\n")); 4067 (void) printf(gettext(" 19 Log device removal\n")); 4068 (void) printf(gettext(" 20 Compression using zle " 4069 "(zero-length encoding)\n")); 4070 (void) printf(gettext(" 21 Deduplication\n")); 4071 (void) printf(gettext(" 22 Received properties\n")); 4072 (void) printf(gettext(" 23 Slim ZIL\n")); 4073 (void) printf(gettext(" 24 System attributes\n")); 4074 (void) printf(gettext(" 25 Improved scrub stats\n")); 4075 (void) printf(gettext(" 26 Improved snapshot deletion " 4076 "performance\n")); 4077 (void) printf(gettext(" 27 Improved snapshot creation " 4078 "performance\n")); 4079 (void) printf(gettext(" 28 Multiple vdev replacements\n")); 4080 (void) printf(gettext("\nFor more information on a particular " 4081 "version, including supported releases,\n")); 4082 (void) printf(gettext("see the ZFS Administration Guide.\n\n")); 4083 } else if (argc == 0) { 4084 int notfound; 4085 4086 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4087 notfound = cb.cb_first; 4088 4089 if (!cb.cb_all && ret == 0) { 4090 if (!cb.cb_first) 4091 (void) printf("\n"); 4092 cb.cb_first = B_TRUE; 4093 cb.cb_newer = B_TRUE; 4094 ret = zpool_iter(g_zfs, upgrade_cb, &cb); 4095 if (!cb.cb_first) { 4096 notfound = B_FALSE; 4097 (void) printf("\n"); 4098 } 4099 } 4100 4101 if (ret == 0) { 4102 if (notfound) 4103 (void) printf(gettext("All pools are formatted " 4104 "using this version.\n")); 4105 else if (!cb.cb_all) 4106 (void) printf(gettext("Use 'zpool upgrade -v' " 4107 "for a list of available versions and " 4108 "their associated\nfeatures.\n")); 4109 } 4110 } else { 4111 ret = for_each_pool(argc, argv, B_FALSE, NULL, 4112 upgrade_one, &cb); 4113 } 4114 4115 return (ret); 4116 } 4117 4118 typedef struct hist_cbdata { 4119 boolean_t first; 4120 int longfmt; 4121 int internal; 4122 } hist_cbdata_t; 4123 4124 /* 4125 * Print out the command history for a specific pool. 4126 */ 4127 static int 4128 get_history_one(zpool_handle_t *zhp, void *data) 4129 { 4130 nvlist_t *nvhis; 4131 nvlist_t **records; 4132 uint_t numrecords; 4133 char *cmdstr; 4134 char *pathstr; 4135 uint64_t dst_time; 4136 time_t tsec; 4137 struct tm t; 4138 char tbuf[30]; 4139 int ret, i; 4140 uint64_t who; 4141 struct passwd *pwd; 4142 char *hostname; 4143 char *zonename; 4144 char internalstr[MAXPATHLEN]; 4145 hist_cbdata_t *cb = (hist_cbdata_t *)data; 4146 uint64_t txg; 4147 uint64_t ievent; 4148 4149 cb->first = B_FALSE; 4150 4151 (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp)); 4152 4153 if ((ret = zpool_get_history(zhp, &nvhis)) != 0) 4154 return (ret); 4155 4156 verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD, 4157 &records, &numrecords) == 0); 4158 for (i = 0; i < numrecords; i++) { 4159 if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME, 4160 &dst_time) != 0) 4161 continue; 4162 4163 /* is it an internal event or a standard event? */ 4164 if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD, 4165 &cmdstr) != 0) { 4166 if (cb->internal == 0) 4167 continue; 4168 4169 if (nvlist_lookup_uint64(records[i], 4170 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 4171 continue; 4172 verify(nvlist_lookup_uint64(records[i], 4173 ZPOOL_HIST_TXG, &txg) == 0); 4174 verify(nvlist_lookup_string(records[i], 4175 ZPOOL_HIST_INT_STR, &pathstr) == 0); 4176 if (ievent >= LOG_END) 4177 continue; 4178 (void) snprintf(internalstr, 4179 sizeof (internalstr), 4180 "[internal %s txg:%lld] %s", 4181 zfs_history_event_names[ievent], txg, 4182 pathstr); 4183 cmdstr = internalstr; 4184 } 4185 tsec = dst_time; 4186 (void) localtime_r(&tsec, &t); 4187 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 4188 (void) printf("%s %s", tbuf, cmdstr); 4189 4190 if (!cb->longfmt) { 4191 (void) printf("\n"); 4192 continue; 4193 } 4194 (void) printf(" ["); 4195 if (nvlist_lookup_uint64(records[i], 4196 ZPOOL_HIST_WHO, &who) == 0) { 4197 pwd = getpwuid((uid_t)who); 4198 if (pwd) 4199 (void) printf("user %s on", 4200 pwd->pw_name); 4201 else 4202 (void) printf("user %d on", 4203 (int)who); 4204 } else { 4205 (void) printf(gettext("no info]\n")); 4206 continue; 4207 } 4208 if (nvlist_lookup_string(records[i], 4209 ZPOOL_HIST_HOST, &hostname) == 0) { 4210 (void) printf(" %s", hostname); 4211 } 4212 if (nvlist_lookup_string(records[i], 4213 ZPOOL_HIST_ZONE, &zonename) == 0) { 4214 (void) printf(":%s", zonename); 4215 } 4216 4217 (void) printf("]"); 4218 (void) printf("\n"); 4219 } 4220 (void) printf("\n"); 4221 nvlist_free(nvhis); 4222 4223 return (ret); 4224 } 4225 4226 /* 4227 * zpool history <pool> 4228 * 4229 * Displays the history of commands that modified pools. 4230 */ 4231 4232 4233 int 4234 zpool_do_history(int argc, char **argv) 4235 { 4236 hist_cbdata_t cbdata = { 0 }; 4237 int ret; 4238 int c; 4239 4240 cbdata.first = B_TRUE; 4241 /* check options */ 4242 while ((c = getopt(argc, argv, "li")) != -1) { 4243 switch (c) { 4244 case 'l': 4245 cbdata.longfmt = 1; 4246 break; 4247 case 'i': 4248 cbdata.internal = 1; 4249 break; 4250 case '?': 4251 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4252 optopt); 4253 usage(B_FALSE); 4254 } 4255 } 4256 argc -= optind; 4257 argv += optind; 4258 4259 ret = for_each_pool(argc, argv, B_FALSE, NULL, get_history_one, 4260 &cbdata); 4261 4262 if (argc == 0 && cbdata.first == B_TRUE) { 4263 (void) printf(gettext("no pools available\n")); 4264 return (0); 4265 } 4266 4267 return (ret); 4268 } 4269 4270 static int 4271 get_callback(zpool_handle_t *zhp, void *data) 4272 { 4273 zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data; 4274 char value[MAXNAMELEN]; 4275 zprop_source_t srctype; 4276 zprop_list_t *pl; 4277 4278 for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) { 4279 4280 /* 4281 * Skip the special fake placeholder. This will also skip 4282 * over the name property when 'all' is specified. 4283 */ 4284 if (pl->pl_prop == ZPOOL_PROP_NAME && 4285 pl == cbp->cb_proplist) 4286 continue; 4287 4288 if (zpool_get_prop(zhp, pl->pl_prop, 4289 value, sizeof (value), &srctype) != 0) 4290 continue; 4291 4292 zprop_print_one_property(zpool_get_name(zhp), cbp, 4293 zpool_prop_to_name(pl->pl_prop), value, srctype, NULL, 4294 NULL); 4295 } 4296 return (0); 4297 } 4298 4299 int 4300 zpool_do_get(int argc, char **argv) 4301 { 4302 zprop_get_cbdata_t cb = { 0 }; 4303 zprop_list_t fake_name = { 0 }; 4304 int ret; 4305 4306 if (argc < 3) 4307 usage(B_FALSE); 4308 4309 cb.cb_first = B_TRUE; 4310 cb.cb_sources = ZPROP_SRC_ALL; 4311 cb.cb_columns[0] = GET_COL_NAME; 4312 cb.cb_columns[1] = GET_COL_PROPERTY; 4313 cb.cb_columns[2] = GET_COL_VALUE; 4314 cb.cb_columns[3] = GET_COL_SOURCE; 4315 cb.cb_type = ZFS_TYPE_POOL; 4316 4317 if (zprop_get_list(g_zfs, argv[1], &cb.cb_proplist, 4318 ZFS_TYPE_POOL) != 0) 4319 usage(B_FALSE); 4320 4321 if (cb.cb_proplist != NULL) { 4322 fake_name.pl_prop = ZPOOL_PROP_NAME; 4323 fake_name.pl_width = strlen(gettext("NAME")); 4324 fake_name.pl_next = cb.cb_proplist; 4325 cb.cb_proplist = &fake_name; 4326 } 4327 4328 ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist, 4329 get_callback, &cb); 4330 4331 if (cb.cb_proplist == &fake_name) 4332 zprop_free_list(fake_name.pl_next); 4333 else 4334 zprop_free_list(cb.cb_proplist); 4335 4336 return (ret); 4337 } 4338 4339 typedef struct set_cbdata { 4340 char *cb_propname; 4341 char *cb_value; 4342 boolean_t cb_any_successful; 4343 } set_cbdata_t; 4344 4345 int 4346 set_callback(zpool_handle_t *zhp, void *data) 4347 { 4348 int error; 4349 set_cbdata_t *cb = (set_cbdata_t *)data; 4350 4351 error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value); 4352 4353 if (!error) 4354 cb->cb_any_successful = B_TRUE; 4355 4356 return (error); 4357 } 4358 4359 int 4360 zpool_do_set(int argc, char **argv) 4361 { 4362 set_cbdata_t cb = { 0 }; 4363 int error; 4364 4365 if (argc > 1 && argv[1][0] == '-') { 4366 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4367 argv[1][1]); 4368 usage(B_FALSE); 4369 } 4370 4371 if (argc < 2) { 4372 (void) fprintf(stderr, gettext("missing property=value " 4373 "argument\n")); 4374 usage(B_FALSE); 4375 } 4376 4377 if (argc < 3) { 4378 (void) fprintf(stderr, gettext("missing pool name\n")); 4379 usage(B_FALSE); 4380 } 4381 4382 if (argc > 3) { 4383 (void) fprintf(stderr, gettext("too many pool names\n")); 4384 usage(B_FALSE); 4385 } 4386 4387 cb.cb_propname = argv[1]; 4388 cb.cb_value = strchr(cb.cb_propname, '='); 4389 if (cb.cb_value == NULL) { 4390 (void) fprintf(stderr, gettext("missing value in " 4391 "property=value argument\n")); 4392 usage(B_FALSE); 4393 } 4394 4395 *(cb.cb_value) = '\0'; 4396 cb.cb_value++; 4397 4398 error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL, 4399 set_callback, &cb); 4400 4401 return (error); 4402 } 4403 4404 static int 4405 find_command_idx(char *command, int *idx) 4406 { 4407 int i; 4408 4409 for (i = 0; i < NCOMMAND; i++) { 4410 if (command_table[i].name == NULL) 4411 continue; 4412 4413 if (strcmp(command, command_table[i].name) == 0) { 4414 *idx = i; 4415 return (0); 4416 } 4417 } 4418 return (1); 4419 } 4420 4421 int 4422 main(int argc, char **argv) 4423 { 4424 int ret; 4425 int i; 4426 char *cmdname; 4427 4428 (void) setlocale(LC_ALL, ""); 4429 (void) textdomain(TEXT_DOMAIN); 4430 4431 if ((g_zfs = libzfs_init()) == NULL) { 4432 (void) fprintf(stderr, gettext("internal error: failed to " 4433 "initialize ZFS library\n")); 4434 return (1); 4435 } 4436 4437 libzfs_print_on_error(g_zfs, B_TRUE); 4438 4439 opterr = 0; 4440 4441 /* 4442 * Make sure the user has specified some command. 4443 */ 4444 if (argc < 2) { 4445 (void) fprintf(stderr, gettext("missing command\n")); 4446 usage(B_FALSE); 4447 } 4448 4449 cmdname = argv[1]; 4450 4451 /* 4452 * Special case '-?' 4453 */ 4454 if (strcmp(cmdname, "-?") == 0) 4455 usage(B_TRUE); 4456 4457 zpool_set_history_str("zpool", argc, argv, history_str); 4458 verify(zpool_stage_history(g_zfs, history_str) == 0); 4459 4460 /* 4461 * Run the appropriate command. 4462 */ 4463 if (find_command_idx(cmdname, &i) == 0) { 4464 current_command = &command_table[i]; 4465 ret = command_table[i].func(argc - 1, argv + 1); 4466 } else if (strchr(cmdname, '=')) { 4467 verify(find_command_idx("set", &i) == 0); 4468 current_command = &command_table[i]; 4469 ret = command_table[i].func(argc, argv); 4470 } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) { 4471 /* 4472 * 'freeze' is a vile debugging abomination, so we treat 4473 * it as such. 4474 */ 4475 char buf[16384]; 4476 int fd = open(ZFS_DEV, O_RDWR); 4477 (void) strcpy((void *)buf, argv[2]); 4478 return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf)); 4479 } else { 4480 (void) fprintf(stderr, gettext("unrecognized " 4481 "command '%s'\n"), cmdname); 4482 usage(B_FALSE); 4483 } 4484 4485 libzfs_fini(g_zfs); 4486 4487 /* 4488 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 4489 * for the purposes of running ::findleaks. 4490 */ 4491 if (getenv("ZFS_ABORT") != NULL) { 4492 (void) printf("dumping core by request\n"); 4493 abort(); 4494 } 4495 4496 return (ret); 4497 } 4498