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 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <stdio.h> 27 #include <stdio_ext.h> 28 #include <stdlib.h> 29 #include <ctype.h> 30 #include <sys/zfs_context.h> 31 #include <sys/spa.h> 32 #include <sys/spa_impl.h> 33 #include <sys/dmu.h> 34 #include <sys/zap.h> 35 #include <sys/fs/zfs.h> 36 #include <sys/zfs_znode.h> 37 #include <sys/vdev.h> 38 #include <sys/vdev_impl.h> 39 #include <sys/metaslab_impl.h> 40 #include <sys/dmu_objset.h> 41 #include <sys/dsl_dir.h> 42 #include <sys/dsl_dataset.h> 43 #include <sys/dsl_pool.h> 44 #include <sys/dbuf.h> 45 #include <sys/zil.h> 46 #include <sys/zil_impl.h> 47 #include <sys/stat.h> 48 #include <sys/resource.h> 49 #include <sys/dmu_traverse.h> 50 #include <sys/zio_checksum.h> 51 #include <sys/zio_compress.h> 52 #include <sys/zfs_fuid.h> 53 #include <sys/arc.h> 54 #undef ZFS_MAXNAMELEN 55 #undef verify 56 #include <libzfs.h> 57 58 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 59 zio_compress_table[(idx)].ci_name : "UNKNOWN") 60 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 61 zio_checksum_table[(idx)].ci_name : "UNKNOWN") 62 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 63 dmu_ot[(idx)].ot_name : "UNKNOWN") 64 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : DMU_OT_NUMTYPES) 65 66 const char cmdname[] = "zdb"; 67 uint8_t dump_opt[256]; 68 69 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 70 71 extern void dump_intent_log(zilog_t *); 72 uint64_t *zopt_object = NULL; 73 int zopt_objects = 0; 74 libzfs_handle_t *g_zfs; 75 boolean_t zdb_sig_user_data = B_TRUE; 76 int zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256; 77 78 /* 79 * These libumem hooks provide a reasonable set of defaults for the allocator's 80 * debugging facilities. 81 */ 82 const char * 83 _umem_debug_init() 84 { 85 return ("default,verbose"); /* $UMEM_DEBUG setting */ 86 } 87 88 const char * 89 _umem_logging_init(void) 90 { 91 return ("fail,contents"); /* $UMEM_LOGGING setting */ 92 } 93 94 static void 95 usage(void) 96 { 97 (void) fprintf(stderr, 98 "Usage: %s [-CumdibcsvhL] [-S user:cksumalg] " 99 "poolname [object...]\n" 100 " %s [-div] dataset [object...]\n" 101 " %s -m [-L] poolname [vdev [metaslab...]]\n" 102 " %s -R poolname vdev:offset:size[:flags]\n" 103 " %s -l device\n" 104 " %s -C\n\n", 105 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 106 107 (void) fprintf(stderr, " Dataset name must include at least one " 108 "separator character '/' or '@'\n"); 109 (void) fprintf(stderr, " If dataset name is specified, only that " 110 "dataset is dumped\n"); 111 (void) fprintf(stderr, " If object numbers are specified, only " 112 "those objects are dumped\n\n"); 113 (void) fprintf(stderr, " Options to control amount of output:\n"); 114 (void) fprintf(stderr, " -u uberblock\n"); 115 (void) fprintf(stderr, " -d dataset(s)\n"); 116 (void) fprintf(stderr, " -i intent logs\n"); 117 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 118 (void) fprintf(stderr, " -h pool history\n"); 119 (void) fprintf(stderr, " -b block statistics\n"); 120 (void) fprintf(stderr, " -m metaslabs\n"); 121 (void) fprintf(stderr, " -c checksum all metadata (twice for " 122 "all data) blocks\n"); 123 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 124 (void) fprintf(stderr, " -S <user|all>:<cksum_alg|all> -- " 125 "dump blkptr signatures\n"); 126 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 127 (void) fprintf(stderr, " -l dump label contents\n"); 128 (void) fprintf(stderr, " -L disable leak tracking (do not " 129 "load spacemaps)\n"); 130 (void) fprintf(stderr, " -R read and display block from a " 131 "device\n\n"); 132 (void) fprintf(stderr, " Below options are intended for use " 133 "with other options (except -l):\n"); 134 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 135 "cachefile\n"); 136 (void) fprintf(stderr, " -e pool is exported/destroyed/" 137 "has altroot/not in a cachefile\n"); 138 (void) fprintf(stderr, " -p <path> -- use one or more with " 139 "-e to specify path to vdev dir\n"); 140 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 141 "searching for uberblocks\n"); 142 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 143 "to make only that option verbose\n"); 144 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 145 exit(1); 146 } 147 148 /* 149 * Called for usage errors that are discovered after a call to spa_open(), 150 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 151 */ 152 153 static void 154 fatal(const char *fmt, ...) 155 { 156 va_list ap; 157 158 va_start(ap, fmt); 159 (void) fprintf(stderr, "%s: ", cmdname); 160 (void) vfprintf(stderr, fmt, ap); 161 va_end(ap); 162 (void) fprintf(stderr, "\n"); 163 164 exit(1); 165 } 166 167 /* ARGSUSED */ 168 static void 169 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 170 { 171 nvlist_t *nv; 172 size_t nvsize = *(uint64_t *)data; 173 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 174 175 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 176 177 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 178 179 umem_free(packed, nvsize); 180 181 dump_nvlist(nv, 8); 182 183 nvlist_free(nv); 184 } 185 186 const char dump_zap_stars[] = "****************************************"; 187 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 188 189 static void 190 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 191 { 192 int i; 193 int minidx = ZAP_HISTOGRAM_SIZE - 1; 194 int maxidx = 0; 195 uint64_t max = 0; 196 197 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 198 if (histo[i] > max) 199 max = histo[i]; 200 if (histo[i] > 0 && i > maxidx) 201 maxidx = i; 202 if (histo[i] > 0 && i < minidx) 203 minidx = i; 204 } 205 206 if (max < dump_zap_width) 207 max = dump_zap_width; 208 209 for (i = minidx; i <= maxidx; i++) 210 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 211 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 212 } 213 214 static void 215 dump_zap_stats(objset_t *os, uint64_t object) 216 { 217 int error; 218 zap_stats_t zs; 219 220 error = zap_get_stats(os, object, &zs); 221 if (error) 222 return; 223 224 if (zs.zs_ptrtbl_len == 0) { 225 ASSERT(zs.zs_num_blocks == 1); 226 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 227 (u_longlong_t)zs.zs_blocksize, 228 (u_longlong_t)zs.zs_num_entries); 229 return; 230 } 231 232 (void) printf("\tFat ZAP stats:\n"); 233 234 (void) printf("\t\tPointer table:\n"); 235 (void) printf("\t\t\t%llu elements\n", 236 (u_longlong_t)zs.zs_ptrtbl_len); 237 (void) printf("\t\t\tzt_blk: %llu\n", 238 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 239 (void) printf("\t\t\tzt_numblks: %llu\n", 240 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 241 (void) printf("\t\t\tzt_shift: %llu\n", 242 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 243 (void) printf("\t\t\tzt_blks_copied: %llu\n", 244 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 245 (void) printf("\t\t\tzt_nextblk: %llu\n", 246 (u_longlong_t)zs.zs_ptrtbl_nextblk); 247 248 (void) printf("\t\tZAP entries: %llu\n", 249 (u_longlong_t)zs.zs_num_entries); 250 (void) printf("\t\tLeaf blocks: %llu\n", 251 (u_longlong_t)zs.zs_num_leafs); 252 (void) printf("\t\tTotal blocks: %llu\n", 253 (u_longlong_t)zs.zs_num_blocks); 254 (void) printf("\t\tzap_block_type: 0x%llx\n", 255 (u_longlong_t)zs.zs_block_type); 256 (void) printf("\t\tzap_magic: 0x%llx\n", 257 (u_longlong_t)zs.zs_magic); 258 (void) printf("\t\tzap_salt: 0x%llx\n", 259 (u_longlong_t)zs.zs_salt); 260 261 (void) printf("\t\tLeafs with 2^n pointers:\n"); 262 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 263 264 (void) printf("\t\tBlocks with n*5 entries:\n"); 265 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 266 267 (void) printf("\t\tBlocks n/10 full:\n"); 268 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 269 270 (void) printf("\t\tEntries with n chunks:\n"); 271 dump_zap_histogram(zs.zs_entries_using_n_chunks); 272 273 (void) printf("\t\tBuckets with n entries:\n"); 274 dump_zap_histogram(zs.zs_buckets_with_n_entries); 275 } 276 277 /*ARGSUSED*/ 278 static void 279 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 280 { 281 } 282 283 /*ARGSUSED*/ 284 static void 285 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 286 { 287 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 288 } 289 290 /*ARGSUSED*/ 291 void 292 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 293 { 294 } 295 296 /*ARGSUSED*/ 297 static void 298 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 299 { 300 } 301 302 /*ARGSUSED*/ 303 static void 304 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 305 { 306 zap_cursor_t zc; 307 zap_attribute_t attr; 308 void *prop; 309 int i; 310 311 dump_zap_stats(os, object); 312 (void) printf("\n"); 313 314 for (zap_cursor_init(&zc, os, object); 315 zap_cursor_retrieve(&zc, &attr) == 0; 316 zap_cursor_advance(&zc)) { 317 (void) printf("\t\t%s = ", attr.za_name); 318 if (attr.za_num_integers == 0) { 319 (void) printf("\n"); 320 continue; 321 } 322 prop = umem_zalloc(attr.za_num_integers * 323 attr.za_integer_length, UMEM_NOFAIL); 324 (void) zap_lookup(os, object, attr.za_name, 325 attr.za_integer_length, attr.za_num_integers, prop); 326 if (attr.za_integer_length == 1) { 327 (void) printf("%s", (char *)prop); 328 } else { 329 for (i = 0; i < attr.za_num_integers; i++) { 330 switch (attr.za_integer_length) { 331 case 2: 332 (void) printf("%u ", 333 ((uint16_t *)prop)[i]); 334 break; 335 case 4: 336 (void) printf("%u ", 337 ((uint32_t *)prop)[i]); 338 break; 339 case 8: 340 (void) printf("%lld ", 341 (u_longlong_t)((int64_t *)prop)[i]); 342 break; 343 } 344 } 345 } 346 (void) printf("\n"); 347 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 348 } 349 zap_cursor_fini(&zc); 350 } 351 352 /*ARGSUSED*/ 353 static void 354 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 355 { 356 zap_cursor_t zc; 357 zap_attribute_t attr; 358 const char *typenames[] = { 359 /* 0 */ "not specified", 360 /* 1 */ "FIFO", 361 /* 2 */ "Character Device", 362 /* 3 */ "3 (invalid)", 363 /* 4 */ "Directory", 364 /* 5 */ "5 (invalid)", 365 /* 6 */ "Block Device", 366 /* 7 */ "7 (invalid)", 367 /* 8 */ "Regular File", 368 /* 9 */ "9 (invalid)", 369 /* 10 */ "Symbolic Link", 370 /* 11 */ "11 (invalid)", 371 /* 12 */ "Socket", 372 /* 13 */ "Door", 373 /* 14 */ "Event Port", 374 /* 15 */ "15 (invalid)", 375 }; 376 377 dump_zap_stats(os, object); 378 (void) printf("\n"); 379 380 for (zap_cursor_init(&zc, os, object); 381 zap_cursor_retrieve(&zc, &attr) == 0; 382 zap_cursor_advance(&zc)) { 383 (void) printf("\t\t%s = %lld (type: %s)\n", 384 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 385 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 386 } 387 zap_cursor_fini(&zc); 388 } 389 390 static void 391 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 392 { 393 uint64_t alloc, offset, entry; 394 uint8_t mapshift = sm->sm_shift; 395 uint64_t mapstart = sm->sm_start; 396 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 397 "INVALID", "INVALID", "INVALID", "INVALID" }; 398 399 if (smo->smo_object == 0) 400 return; 401 402 /* 403 * Print out the freelist entries in both encoded and decoded form. 404 */ 405 alloc = 0; 406 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 407 VERIFY(0 == dmu_read(os, smo->smo_object, offset, 408 sizeof (entry), &entry, DMU_READ_PREFETCH)); 409 if (SM_DEBUG_DECODE(entry)) { 410 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 411 (u_longlong_t)(offset / sizeof (entry)), 412 ddata[SM_DEBUG_ACTION_DECODE(entry)], 413 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 414 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 415 } else { 416 (void) printf("\t [%6llu] %c range:" 417 " %010llx-%010llx size: %06llx\n", 418 (u_longlong_t)(offset / sizeof (entry)), 419 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 420 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 421 mapshift) + mapstart), 422 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 423 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 424 mapshift)), 425 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 426 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 427 alloc += SM_RUN_DECODE(entry) << mapshift; 428 else 429 alloc -= SM_RUN_DECODE(entry) << mapshift; 430 } 431 } 432 if (alloc != smo->smo_alloc) { 433 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 434 "with space map summary (%llu)\n", 435 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 436 } 437 } 438 439 static void 440 dump_metaslab_stats(metaslab_t *msp) 441 { 442 char maxbuf[5]; 443 space_map_t *sm = &msp->ms_map; 444 avl_tree_t *t = sm->sm_pp_root; 445 int free_pct = sm->sm_space * 100 / sm->sm_size; 446 447 nicenum(space_map_maxsize(sm), maxbuf); 448 449 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 450 "segments", avl_numnodes(t), "maxsize", maxbuf, 451 "freepct", free_pct); 452 } 453 454 static void 455 dump_metaslab(metaslab_t *msp) 456 { 457 char freebuf[5]; 458 space_map_obj_t *smo = &msp->ms_smo; 459 vdev_t *vd = msp->ms_group->mg_vd; 460 spa_t *spa = vd->vdev_spa; 461 462 nicenum(msp->ms_map.sm_size - smo->smo_alloc, freebuf); 463 464 (void) printf( 465 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 466 (u_longlong_t)(msp->ms_map.sm_start / msp->ms_map.sm_size), 467 (u_longlong_t)msp->ms_map.sm_start, (u_longlong_t)smo->smo_object, 468 freebuf); 469 470 if (dump_opt['m'] > 1 && !dump_opt['L']) { 471 mutex_enter(&msp->ms_lock); 472 VERIFY(space_map_load(&msp->ms_map, zfs_metaslab_ops, 473 SM_FREE, &msp->ms_smo, spa->spa_meta_objset) == 0); 474 dump_metaslab_stats(msp); 475 space_map_unload(&msp->ms_map); 476 mutex_exit(&msp->ms_lock); 477 } 478 479 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 480 ASSERT(msp->ms_map.sm_size == (1ULL << vd->vdev_ms_shift)); 481 482 mutex_enter(&msp->ms_lock); 483 dump_spacemap(spa->spa_meta_objset, smo, &msp->ms_map); 484 mutex_exit(&msp->ms_lock); 485 } 486 } 487 488 static void 489 print_vdev_metaslab_header(vdev_t *vd) 490 { 491 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 492 (u_longlong_t)vd->vdev_id, 493 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 494 "offset", "spacemap", "free"); 495 (void) printf("\t%15s %19s %15s %10s\n", 496 "---------------", "-------------------", 497 "---------------", "-------------"); 498 } 499 500 static void 501 dump_metaslabs(spa_t *spa) 502 { 503 vdev_t *vd, *rvd = spa->spa_root_vdev; 504 uint64_t m, c = 0, children = rvd->vdev_children; 505 506 (void) printf("\nMetaslabs:\n"); 507 508 if (!dump_opt['d'] && zopt_objects > 0) { 509 c = zopt_object[0]; 510 511 if (c >= children) 512 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 513 514 if (zopt_objects > 1) { 515 vd = rvd->vdev_child[c]; 516 print_vdev_metaslab_header(vd); 517 518 for (m = 1; m < zopt_objects; m++) { 519 if (zopt_object[m] < vd->vdev_ms_count) 520 dump_metaslab( 521 vd->vdev_ms[zopt_object[m]]); 522 else 523 (void) fprintf(stderr, "bad metaslab " 524 "number %llu\n", 525 (u_longlong_t)zopt_object[m]); 526 } 527 (void) printf("\n"); 528 return; 529 } 530 children = c + 1; 531 } 532 for (; c < children; c++) { 533 vd = rvd->vdev_child[c]; 534 print_vdev_metaslab_header(vd); 535 536 for (m = 0; m < vd->vdev_ms_count; m++) 537 dump_metaslab(vd->vdev_ms[m]); 538 (void) printf("\n"); 539 } 540 } 541 542 static void 543 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 544 { 545 char *prefix = (void *)sm; 546 547 (void) printf("%s [%llu,%llu) length %llu\n", 548 prefix, 549 (u_longlong_t)start, 550 (u_longlong_t)(start + size), 551 (u_longlong_t)(size)); 552 } 553 554 static void 555 dump_dtl(vdev_t *vd, int indent) 556 { 557 spa_t *spa = vd->vdev_spa; 558 boolean_t required; 559 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 560 char prefix[256]; 561 562 spa_vdev_state_enter(spa, SCL_NONE); 563 required = vdev_dtl_required(vd); 564 (void) spa_vdev_state_exit(spa, NULL, 0); 565 566 if (indent == 0) 567 (void) printf("\nDirty time logs:\n\n"); 568 569 (void) printf("\t%*s%s [%s]\n", indent, "", 570 vd->vdev_path ? vd->vdev_path : 571 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 572 required ? "DTL-required" : "DTL-expendable"); 573 574 for (int t = 0; t < DTL_TYPES; t++) { 575 space_map_t *sm = &vd->vdev_dtl[t]; 576 if (sm->sm_space == 0) 577 continue; 578 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 579 indent + 2, "", name[t]); 580 mutex_enter(sm->sm_lock); 581 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 582 mutex_exit(sm->sm_lock); 583 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 584 dump_spacemap(spa->spa_meta_objset, 585 &vd->vdev_dtl_smo, sm); 586 } 587 588 for (int c = 0; c < vd->vdev_children; c++) 589 dump_dtl(vd->vdev_child[c], indent + 4); 590 } 591 592 static void 593 dump_history(spa_t *spa) 594 { 595 nvlist_t **events = NULL; 596 char buf[SPA_MAXBLOCKSIZE]; 597 uint64_t resid, len, off = 0; 598 uint_t num = 0; 599 int error; 600 time_t tsec; 601 struct tm t; 602 char tbuf[30]; 603 char internalstr[MAXPATHLEN]; 604 605 do { 606 len = sizeof (buf); 607 608 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 609 (void) fprintf(stderr, "Unable to read history: " 610 "error %d\n", error); 611 return; 612 } 613 614 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 615 break; 616 617 off -= resid; 618 } while (len != 0); 619 620 (void) printf("\nHistory:\n"); 621 for (int i = 0; i < num; i++) { 622 uint64_t time, txg, ievent; 623 char *cmd, *intstr; 624 625 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 626 &time) != 0) 627 continue; 628 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 629 &cmd) != 0) { 630 if (nvlist_lookup_uint64(events[i], 631 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 632 continue; 633 verify(nvlist_lookup_uint64(events[i], 634 ZPOOL_HIST_TXG, &txg) == 0); 635 verify(nvlist_lookup_string(events[i], 636 ZPOOL_HIST_INT_STR, &intstr) == 0); 637 if (ievent >= LOG_END) 638 continue; 639 640 (void) snprintf(internalstr, 641 sizeof (internalstr), 642 "[internal %s txg:%lld] %s", 643 hist_event_table[ievent], txg, 644 intstr); 645 cmd = internalstr; 646 } 647 tsec = time; 648 (void) localtime_r(&tsec, &t); 649 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 650 (void) printf("%s %s\n", tbuf, cmd); 651 } 652 } 653 654 /*ARGSUSED*/ 655 static void 656 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 657 { 658 } 659 660 static uint64_t 661 blkid2offset(const dnode_phys_t *dnp, int level, uint64_t blkid) 662 { 663 if (level < 0) 664 return (blkid); 665 666 return ((blkid << (level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 667 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 668 } 669 670 static void 671 sprintf_blkptr_compact(char *blkbuf, blkptr_t *bp, int alldvas) 672 { 673 dva_t *dva = bp->blk_dva; 674 int ndvas = alldvas ? BP_GET_NDVAS(bp) : 1; 675 int i; 676 677 blkbuf[0] = '\0'; 678 679 for (i = 0; i < ndvas; i++) 680 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 681 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 682 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 683 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 684 685 (void) sprintf(blkbuf + strlen(blkbuf), "%llxL/%llxP F=%llu B=%llu", 686 (u_longlong_t)BP_GET_LSIZE(bp), 687 (u_longlong_t)BP_GET_PSIZE(bp), 688 (u_longlong_t)bp->blk_fill, 689 (u_longlong_t)bp->blk_birth); 690 } 691 692 static void 693 print_indirect(blkptr_t *bp, const zbookmark_t *zb, 694 const dnode_phys_t *dnp) 695 { 696 char blkbuf[BP_SPRINTF_LEN]; 697 int l; 698 699 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 700 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 701 702 (void) printf("%16llx ", 703 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid)); 704 705 ASSERT(zb->zb_level >= 0); 706 707 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 708 if (l == zb->zb_level) { 709 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 710 } else { 711 (void) printf(" "); 712 } 713 } 714 715 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0); 716 (void) printf("%s\n", blkbuf); 717 } 718 719 #define SET_BOOKMARK(zb, objset, object, level, blkid) \ 720 { \ 721 (zb)->zb_objset = objset; \ 722 (zb)->zb_object = object; \ 723 (zb)->zb_level = level; \ 724 (zb)->zb_blkid = blkid; \ 725 } 726 727 static int 728 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 729 blkptr_t *bp, const zbookmark_t *zb) 730 { 731 int err = 0; 732 733 if (bp->blk_birth == 0) 734 return (0); 735 736 print_indirect(bp, zb, dnp); 737 738 if (BP_GET_LEVEL(bp) > 0) { 739 uint32_t flags = ARC_WAIT; 740 int i; 741 blkptr_t *cbp; 742 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 743 arc_buf_t *buf; 744 uint64_t fill = 0; 745 746 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf, 747 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 748 if (err) 749 return (err); 750 751 /* recursively visit blocks below this */ 752 cbp = buf->b_data; 753 for (i = 0; i < epb; i++, cbp++) { 754 zbookmark_t czb; 755 756 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 757 zb->zb_level - 1, 758 zb->zb_blkid * epb + i); 759 err = visit_indirect(spa, dnp, cbp, &czb); 760 if (err) 761 break; 762 fill += cbp->blk_fill; 763 } 764 if (!err) 765 ASSERT3U(fill, ==, bp->blk_fill); 766 (void) arc_buf_remove_ref(buf, &buf); 767 } 768 769 return (err); 770 } 771 772 /*ARGSUSED*/ 773 static void 774 dump_indirect(dnode_t *dn) 775 { 776 dnode_phys_t *dnp = dn->dn_phys; 777 int j; 778 zbookmark_t czb; 779 780 (void) printf("Indirect blocks:\n"); 781 782 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 783 dn->dn_object, dnp->dn_nlevels - 1, 0); 784 for (j = 0; j < dnp->dn_nblkptr; j++) { 785 czb.zb_blkid = j; 786 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 787 &dnp->dn_blkptr[j], &czb); 788 } 789 790 (void) printf("\n"); 791 } 792 793 /*ARGSUSED*/ 794 static void 795 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 796 { 797 dsl_dir_phys_t *dd = data; 798 time_t crtime; 799 char nice[6]; 800 801 if (dd == NULL) 802 return; 803 804 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 805 806 crtime = dd->dd_creation_time; 807 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 808 (void) printf("\t\thead_dataset_obj = %llu\n", 809 (u_longlong_t)dd->dd_head_dataset_obj); 810 (void) printf("\t\tparent_dir_obj = %llu\n", 811 (u_longlong_t)dd->dd_parent_obj); 812 (void) printf("\t\torigin_obj = %llu\n", 813 (u_longlong_t)dd->dd_origin_obj); 814 (void) printf("\t\tchild_dir_zapobj = %llu\n", 815 (u_longlong_t)dd->dd_child_dir_zapobj); 816 nicenum(dd->dd_used_bytes, nice); 817 (void) printf("\t\tused_bytes = %s\n", nice); 818 nicenum(dd->dd_compressed_bytes, nice); 819 (void) printf("\t\tcompressed_bytes = %s\n", nice); 820 nicenum(dd->dd_uncompressed_bytes, nice); 821 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 822 nicenum(dd->dd_quota, nice); 823 (void) printf("\t\tquota = %s\n", nice); 824 nicenum(dd->dd_reserved, nice); 825 (void) printf("\t\treserved = %s\n", nice); 826 (void) printf("\t\tprops_zapobj = %llu\n", 827 (u_longlong_t)dd->dd_props_zapobj); 828 (void) printf("\t\tdeleg_zapobj = %llu\n", 829 (u_longlong_t)dd->dd_deleg_zapobj); 830 (void) printf("\t\tflags = %llx\n", 831 (u_longlong_t)dd->dd_flags); 832 833 #define DO(which) \ 834 nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 835 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 836 DO(HEAD); 837 DO(SNAP); 838 DO(CHILD); 839 DO(CHILD_RSRV); 840 DO(REFRSRV); 841 #undef DO 842 } 843 844 /*ARGSUSED*/ 845 static void 846 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 847 { 848 dsl_dataset_phys_t *ds = data; 849 time_t crtime; 850 char used[6], compressed[6], uncompressed[6], unique[6]; 851 char blkbuf[BP_SPRINTF_LEN]; 852 853 if (ds == NULL) 854 return; 855 856 ASSERT(size == sizeof (*ds)); 857 crtime = ds->ds_creation_time; 858 nicenum(ds->ds_used_bytes, used); 859 nicenum(ds->ds_compressed_bytes, compressed); 860 nicenum(ds->ds_uncompressed_bytes, uncompressed); 861 nicenum(ds->ds_unique_bytes, unique); 862 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ds->ds_bp); 863 864 (void) printf("\t\tdir_obj = %llu\n", 865 (u_longlong_t)ds->ds_dir_obj); 866 (void) printf("\t\tprev_snap_obj = %llu\n", 867 (u_longlong_t)ds->ds_prev_snap_obj); 868 (void) printf("\t\tprev_snap_txg = %llu\n", 869 (u_longlong_t)ds->ds_prev_snap_txg); 870 (void) printf("\t\tnext_snap_obj = %llu\n", 871 (u_longlong_t)ds->ds_next_snap_obj); 872 (void) printf("\t\tsnapnames_zapobj = %llu\n", 873 (u_longlong_t)ds->ds_snapnames_zapobj); 874 (void) printf("\t\tnum_children = %llu\n", 875 (u_longlong_t)ds->ds_num_children); 876 (void) printf("\t\tuserrefs_obj = %llu\n", 877 (u_longlong_t)ds->ds_userrefs_obj); 878 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 879 (void) printf("\t\tcreation_txg = %llu\n", 880 (u_longlong_t)ds->ds_creation_txg); 881 (void) printf("\t\tdeadlist_obj = %llu\n", 882 (u_longlong_t)ds->ds_deadlist_obj); 883 (void) printf("\t\tused_bytes = %s\n", used); 884 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 885 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 886 (void) printf("\t\tunique = %s\n", unique); 887 (void) printf("\t\tfsid_guid = %llu\n", 888 (u_longlong_t)ds->ds_fsid_guid); 889 (void) printf("\t\tguid = %llu\n", 890 (u_longlong_t)ds->ds_guid); 891 (void) printf("\t\tflags = %llx\n", 892 (u_longlong_t)ds->ds_flags); 893 (void) printf("\t\tnext_clones_obj = %llu\n", 894 (u_longlong_t)ds->ds_next_clones_obj); 895 (void) printf("\t\tprops_obj = %llu\n", 896 (u_longlong_t)ds->ds_props_obj); 897 (void) printf("\t\tbp = %s\n", blkbuf); 898 } 899 900 static void 901 dump_bplist(objset_t *mos, uint64_t object, char *name) 902 { 903 bplist_t bpl = { 0 }; 904 blkptr_t blk, *bp = &blk; 905 uint64_t itor = 0; 906 char bytes[6]; 907 char comp[6]; 908 char uncomp[6]; 909 910 if (dump_opt['d'] < 3) 911 return; 912 913 mutex_init(&bpl.bpl_lock, NULL, MUTEX_DEFAULT, NULL); 914 VERIFY(0 == bplist_open(&bpl, mos, object)); 915 if (bplist_empty(&bpl)) { 916 bplist_close(&bpl); 917 mutex_destroy(&bpl.bpl_lock); 918 return; 919 } 920 921 nicenum(bpl.bpl_phys->bpl_bytes, bytes); 922 if (bpl.bpl_dbuf->db_size == sizeof (bplist_phys_t)) { 923 nicenum(bpl.bpl_phys->bpl_comp, comp); 924 nicenum(bpl.bpl_phys->bpl_uncomp, uncomp); 925 (void) printf("\n %s: %llu entries, %s (%s/%s comp)\n", 926 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, 927 bytes, comp, uncomp); 928 } else { 929 (void) printf("\n %s: %llu entries, %s\n", 930 name, (u_longlong_t)bpl.bpl_phys->bpl_entries, bytes); 931 } 932 933 if (dump_opt['d'] < 5) { 934 bplist_close(&bpl); 935 mutex_destroy(&bpl.bpl_lock); 936 return; 937 } 938 939 (void) printf("\n"); 940 941 while (bplist_iterate(&bpl, &itor, bp) == 0) { 942 char blkbuf[BP_SPRINTF_LEN]; 943 944 ASSERT(bp->blk_birth != 0); 945 sprintf_blkptr_compact(blkbuf, bp, dump_opt['d'] > 5 ? 1 : 0); 946 (void) printf("\tItem %3llu: %s\n", 947 (u_longlong_t)itor - 1, blkbuf); 948 } 949 950 bplist_close(&bpl); 951 mutex_destroy(&bpl.bpl_lock); 952 } 953 954 static avl_tree_t idx_tree; 955 static avl_tree_t domain_tree; 956 static boolean_t fuid_table_loaded; 957 958 static void 959 fuid_table_destroy() 960 { 961 if (fuid_table_loaded) { 962 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 963 fuid_table_loaded = B_FALSE; 964 } 965 } 966 967 /* 968 * print uid or gid information. 969 * For normal POSIX id just the id is printed in decimal format. 970 * For CIFS files with FUID the fuid is printed in hex followed by 971 * the doman-rid string. 972 */ 973 static void 974 print_idstr(uint64_t id, const char *id_type) 975 { 976 if (FUID_INDEX(id)) { 977 char *domain; 978 979 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 980 (void) printf("\t%s %llx [%s-%d]\n", id_type, 981 (u_longlong_t)id, domain, (int)FUID_RID(id)); 982 } else { 983 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 984 } 985 986 } 987 988 static void 989 dump_uidgid(objset_t *os, znode_phys_t *zp) 990 { 991 uint32_t uid_idx, gid_idx; 992 993 uid_idx = FUID_INDEX(zp->zp_uid); 994 gid_idx = FUID_INDEX(zp->zp_gid); 995 996 /* Load domain table, if not already loaded */ 997 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 998 uint64_t fuid_obj; 999 1000 /* first find the fuid object. It lives in the master node */ 1001 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1002 8, 1, &fuid_obj) == 0); 1003 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1004 (void) zfs_fuid_table_load(os, fuid_obj, 1005 &idx_tree, &domain_tree); 1006 fuid_table_loaded = B_TRUE; 1007 } 1008 1009 print_idstr(zp->zp_uid, "uid"); 1010 print_idstr(zp->zp_gid, "gid"); 1011 } 1012 1013 /*ARGSUSED*/ 1014 static void 1015 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1016 { 1017 znode_phys_t *zp = data; 1018 time_t z_crtime, z_atime, z_mtime, z_ctime; 1019 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1020 int error; 1021 1022 ASSERT(size >= sizeof (znode_phys_t)); 1023 1024 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1025 if (error != 0) { 1026 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1027 (u_longlong_t)object); 1028 } 1029 1030 if (dump_opt['d'] < 3) { 1031 (void) printf("\t%s\n", path); 1032 return; 1033 } 1034 1035 z_crtime = (time_t)zp->zp_crtime[0]; 1036 z_atime = (time_t)zp->zp_atime[0]; 1037 z_mtime = (time_t)zp->zp_mtime[0]; 1038 z_ctime = (time_t)zp->zp_ctime[0]; 1039 1040 (void) printf("\tpath %s\n", path); 1041 dump_uidgid(os, zp); 1042 (void) printf("\tatime %s", ctime(&z_atime)); 1043 (void) printf("\tmtime %s", ctime(&z_mtime)); 1044 (void) printf("\tctime %s", ctime(&z_ctime)); 1045 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1046 (void) printf("\tgen %llu\n", (u_longlong_t)zp->zp_gen); 1047 (void) printf("\tmode %llo\n", (u_longlong_t)zp->zp_mode); 1048 (void) printf("\tsize %llu\n", (u_longlong_t)zp->zp_size); 1049 (void) printf("\tparent %llu\n", (u_longlong_t)zp->zp_parent); 1050 (void) printf("\tlinks %llu\n", (u_longlong_t)zp->zp_links); 1051 (void) printf("\txattr %llu\n", (u_longlong_t)zp->zp_xattr); 1052 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)zp->zp_rdev); 1053 } 1054 1055 /*ARGSUSED*/ 1056 static void 1057 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1058 { 1059 } 1060 1061 /*ARGSUSED*/ 1062 static void 1063 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1064 { 1065 } 1066 1067 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1068 dump_none, /* unallocated */ 1069 dump_zap, /* object directory */ 1070 dump_uint64, /* object array */ 1071 dump_none, /* packed nvlist */ 1072 dump_packed_nvlist, /* packed nvlist size */ 1073 dump_none, /* bplist */ 1074 dump_none, /* bplist header */ 1075 dump_none, /* SPA space map header */ 1076 dump_none, /* SPA space map */ 1077 dump_none, /* ZIL intent log */ 1078 dump_dnode, /* DMU dnode */ 1079 dump_dmu_objset, /* DMU objset */ 1080 dump_dsl_dir, /* DSL directory */ 1081 dump_zap, /* DSL directory child map */ 1082 dump_zap, /* DSL dataset snap map */ 1083 dump_zap, /* DSL props */ 1084 dump_dsl_dataset, /* DSL dataset */ 1085 dump_znode, /* ZFS znode */ 1086 dump_acl, /* ZFS V0 ACL */ 1087 dump_uint8, /* ZFS plain file */ 1088 dump_zpldir, /* ZFS directory */ 1089 dump_zap, /* ZFS master node */ 1090 dump_zap, /* ZFS delete queue */ 1091 dump_uint8, /* zvol object */ 1092 dump_zap, /* zvol prop */ 1093 dump_uint8, /* other uint8[] */ 1094 dump_uint64, /* other uint64[] */ 1095 dump_zap, /* other ZAP */ 1096 dump_zap, /* persistent error log */ 1097 dump_uint8, /* SPA history */ 1098 dump_uint64, /* SPA history offsets */ 1099 dump_zap, /* Pool properties */ 1100 dump_zap, /* DSL permissions */ 1101 dump_acl, /* ZFS ACL */ 1102 dump_uint8, /* ZFS SYSACL */ 1103 dump_none, /* FUID nvlist */ 1104 dump_packed_nvlist, /* FUID nvlist size */ 1105 dump_zap, /* DSL dataset next clones */ 1106 dump_zap, /* DSL scrub queue */ 1107 dump_zap, /* ZFS user/group used */ 1108 dump_zap, /* ZFS user/group quota */ 1109 dump_zap, /* snapshot refcount tags */ 1110 dump_unknown /* Unknown type, must be last */ 1111 }; 1112 1113 static void 1114 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1115 { 1116 dmu_buf_t *db = NULL; 1117 dmu_object_info_t doi; 1118 dnode_t *dn; 1119 void *bonus = NULL; 1120 size_t bsize = 0; 1121 char iblk[6], dblk[6], lsize[6], asize[6], bonus_size[6], segsize[6]; 1122 char aux[50]; 1123 int error; 1124 1125 if (*print_header) { 1126 (void) printf("\n Object lvl iblk dblk lsize" 1127 " asize type\n"); 1128 *print_header = 0; 1129 } 1130 1131 if (object == 0) { 1132 dn = os->os_meta_dnode; 1133 } else { 1134 error = dmu_bonus_hold(os, object, FTAG, &db); 1135 if (error) 1136 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1137 object, error); 1138 bonus = db->db_data; 1139 bsize = db->db_size; 1140 dn = ((dmu_buf_impl_t *)db)->db_dnode; 1141 } 1142 dmu_object_info_from_dnode(dn, &doi); 1143 1144 nicenum(doi.doi_metadata_block_size, iblk); 1145 nicenum(doi.doi_data_block_size, dblk); 1146 nicenum(doi.doi_data_block_size * (doi.doi_max_block_offset + 1), 1147 lsize); 1148 nicenum(doi.doi_physical_blks << 9, asize); 1149 nicenum(doi.doi_bonus_size, bonus_size); 1150 1151 aux[0] = '\0'; 1152 1153 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1154 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1155 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1156 } 1157 1158 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1159 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1160 ZDB_COMPRESS_NAME(doi.doi_compress)); 1161 } 1162 1163 (void) printf("%10lld %3u %5s %5s %5s %5s %s%s\n", 1164 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, lsize, 1165 asize, ZDB_OT_NAME(doi.doi_type), aux); 1166 1167 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1168 (void) printf("%10s %3s %5s %5s %5s %5s %s\n", 1169 "", "", "", "", bonus_size, "bonus", 1170 ZDB_OT_NAME(doi.doi_bonus_type)); 1171 } 1172 1173 if (verbosity >= 4) { 1174 (void) printf("\tdnode flags: %s%s\n", 1175 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1176 "USED_BYTES " : "", 1177 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1178 "USERUSED_ACCOUNTED " : ""); 1179 (void) printf("\tdnode maxblkid: %llu\n", 1180 (longlong_t)dn->dn_phys->dn_maxblkid); 1181 1182 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1183 bonus, bsize); 1184 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1185 *print_header = 1; 1186 } 1187 1188 if (verbosity >= 5) 1189 dump_indirect(dn); 1190 1191 if (verbosity >= 5) { 1192 /* 1193 * Report the list of segments that comprise the object. 1194 */ 1195 uint64_t start = 0; 1196 uint64_t end; 1197 uint64_t blkfill = 1; 1198 int minlvl = 1; 1199 1200 if (dn->dn_type == DMU_OT_DNODE) { 1201 minlvl = 0; 1202 blkfill = DNODES_PER_BLOCK; 1203 } 1204 1205 for (;;) { 1206 error = dnode_next_offset(dn, 1207 0, &start, minlvl, blkfill, 0); 1208 if (error) 1209 break; 1210 end = start; 1211 error = dnode_next_offset(dn, 1212 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1213 nicenum(end - start, segsize); 1214 (void) printf("\t\tsegment [%016llx, %016llx)" 1215 " size %5s\n", (u_longlong_t)start, 1216 (u_longlong_t)end, segsize); 1217 if (error) 1218 break; 1219 start = end; 1220 } 1221 } 1222 1223 if (db != NULL) 1224 dmu_buf_rele(db, FTAG); 1225 } 1226 1227 static char *objset_types[DMU_OST_NUMTYPES] = { 1228 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1229 1230 static void 1231 dump_dir(objset_t *os) 1232 { 1233 dmu_objset_stats_t dds; 1234 uint64_t object, object_count; 1235 uint64_t refdbytes, usedobjs, scratch; 1236 char numbuf[8]; 1237 char blkbuf[BP_SPRINTF_LEN + 20]; 1238 char osname[MAXNAMELEN]; 1239 char *type = "UNKNOWN"; 1240 int verbosity = dump_opt['d']; 1241 int print_header = 1; 1242 int i, error; 1243 1244 dmu_objset_fast_stat(os, &dds); 1245 1246 if (dds.dds_type < DMU_OST_NUMTYPES) 1247 type = objset_types[dds.dds_type]; 1248 1249 if (dds.dds_type == DMU_OST_META) { 1250 dds.dds_creation_txg = TXG_INITIAL; 1251 usedobjs = os->os_rootbp->blk_fill; 1252 refdbytes = os->os_spa->spa_dsl_pool-> 1253 dp_mos_dir->dd_phys->dd_used_bytes; 1254 } else { 1255 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1256 } 1257 1258 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1259 1260 nicenum(refdbytes, numbuf); 1261 1262 if (verbosity >= 4) { 1263 (void) sprintf(blkbuf, ", rootbp "); 1264 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), 1265 BP_SPRINTF_LEN - strlen(blkbuf), os->os_rootbp); 1266 } else { 1267 blkbuf[0] = '\0'; 1268 } 1269 1270 dmu_objset_name(os, osname); 1271 1272 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1273 "%s, %llu objects%s\n", 1274 osname, type, (u_longlong_t)dmu_objset_id(os), 1275 (u_longlong_t)dds.dds_creation_txg, 1276 numbuf, (u_longlong_t)usedobjs, blkbuf); 1277 1278 dump_intent_log(dmu_objset_zil(os)); 1279 1280 if (dmu_objset_ds(os) != NULL) 1281 dump_bplist(dmu_objset_pool(os)->dp_meta_objset, 1282 dmu_objset_ds(os)->ds_phys->ds_deadlist_obj, "Deadlist"); 1283 1284 if (verbosity < 2) 1285 return; 1286 1287 if (os->os_rootbp->blk_birth == 0) 1288 return; 1289 1290 if (zopt_objects != 0) { 1291 for (i = 0; i < zopt_objects; i++) 1292 dump_object(os, zopt_object[i], verbosity, 1293 &print_header); 1294 (void) printf("\n"); 1295 return; 1296 } 1297 1298 dump_object(os, 0, verbosity, &print_header); 1299 object_count = 0; 1300 if (os->os_userused_dnode && 1301 os->os_userused_dnode->dn_type != 0) { 1302 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1303 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1304 } 1305 1306 object = 0; 1307 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1308 dump_object(os, object, verbosity, &print_header); 1309 object_count++; 1310 } 1311 1312 ASSERT3U(object_count, ==, usedobjs); 1313 1314 (void) printf("\n"); 1315 1316 if (error != ESRCH) { 1317 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1318 abort(); 1319 } 1320 } 1321 1322 static void 1323 dump_uberblock(uberblock_t *ub) 1324 { 1325 time_t timestamp = ub->ub_timestamp; 1326 1327 (void) printf("\nUberblock:\n"); 1328 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1329 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1330 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1331 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1332 (void) printf("\ttimestamp = %llu UTC = %s", 1333 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1334 if (dump_opt['u'] >= 3) { 1335 char blkbuf[BP_SPRINTF_LEN]; 1336 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &ub->ub_rootbp); 1337 (void) printf("\trootbp = %s\n", blkbuf); 1338 } 1339 (void) printf("\n"); 1340 } 1341 1342 static void 1343 dump_config(spa_t *spa) 1344 { 1345 dmu_buf_t *db; 1346 size_t nvsize = 0; 1347 int error = 0; 1348 1349 1350 error = dmu_bonus_hold(spa->spa_meta_objset, 1351 spa->spa_config_object, FTAG, &db); 1352 1353 if (error == 0) { 1354 nvsize = *(uint64_t *)db->db_data; 1355 dmu_buf_rele(db, FTAG); 1356 1357 (void) printf("\nMOS Configuration:\n"); 1358 dump_packed_nvlist(spa->spa_meta_objset, 1359 spa->spa_config_object, (void *)&nvsize, 1); 1360 } else { 1361 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1362 (u_longlong_t)spa->spa_config_object, error); 1363 } 1364 } 1365 1366 static void 1367 dump_cachefile(const char *cachefile) 1368 { 1369 int fd; 1370 struct stat64 statbuf; 1371 char *buf; 1372 nvlist_t *config; 1373 1374 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1375 (void) printf("cannot open '%s': %s\n", cachefile, 1376 strerror(errno)); 1377 exit(1); 1378 } 1379 1380 if (fstat64(fd, &statbuf) != 0) { 1381 (void) printf("failed to stat '%s': %s\n", cachefile, 1382 strerror(errno)); 1383 exit(1); 1384 } 1385 1386 if ((buf = malloc(statbuf.st_size)) == NULL) { 1387 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1388 (u_longlong_t)statbuf.st_size); 1389 exit(1); 1390 } 1391 1392 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1393 (void) fprintf(stderr, "failed to read %llu bytes\n", 1394 (u_longlong_t)statbuf.st_size); 1395 exit(1); 1396 } 1397 1398 (void) close(fd); 1399 1400 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1401 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1402 exit(1); 1403 } 1404 1405 free(buf); 1406 1407 dump_nvlist(config, 0); 1408 1409 nvlist_free(config); 1410 } 1411 1412 static void 1413 dump_label(const char *dev) 1414 { 1415 int fd; 1416 vdev_label_t label; 1417 char *buf = label.vl_vdev_phys.vp_nvlist; 1418 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1419 struct stat64 statbuf; 1420 uint64_t psize; 1421 int l; 1422 1423 if ((fd = open64(dev, O_RDONLY)) < 0) { 1424 (void) printf("cannot open '%s': %s\n", dev, strerror(errno)); 1425 exit(1); 1426 } 1427 1428 if (fstat64(fd, &statbuf) != 0) { 1429 (void) printf("failed to stat '%s': %s\n", dev, 1430 strerror(errno)); 1431 exit(1); 1432 } 1433 1434 psize = statbuf.st_size; 1435 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1436 1437 for (l = 0; l < VDEV_LABELS; l++) { 1438 1439 nvlist_t *config = NULL; 1440 1441 (void) printf("--------------------------------------------\n"); 1442 (void) printf("LABEL %d\n", l); 1443 (void) printf("--------------------------------------------\n"); 1444 1445 if (pread64(fd, &label, sizeof (label), 1446 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1447 (void) printf("failed to read label %d\n", l); 1448 continue; 1449 } 1450 1451 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1452 (void) printf("failed to unpack label %d\n", l); 1453 continue; 1454 } 1455 dump_nvlist(config, 4); 1456 nvlist_free(config); 1457 } 1458 } 1459 1460 /*ARGSUSED*/ 1461 static int 1462 dump_one_dir(char *dsname, void *arg) 1463 { 1464 int error; 1465 objset_t *os; 1466 1467 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1468 if (error) { 1469 (void) printf("Could not open %s\n", dsname); 1470 return (0); 1471 } 1472 dump_dir(os); 1473 dmu_objset_disown(os, FTAG); 1474 fuid_table_destroy(); 1475 return (0); 1476 } 1477 1478 static void 1479 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 1480 { 1481 vdev_t *vd = sm->sm_ppd; 1482 1483 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 1484 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 1485 } 1486 1487 /* ARGSUSED */ 1488 static void 1489 zdb_space_map_load(space_map_t *sm) 1490 { 1491 } 1492 1493 static void 1494 zdb_space_map_unload(space_map_t *sm) 1495 { 1496 space_map_vacate(sm, zdb_leak, sm); 1497 } 1498 1499 /* ARGSUSED */ 1500 static void 1501 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 1502 { 1503 } 1504 1505 static space_map_ops_t zdb_space_map_ops = { 1506 zdb_space_map_load, 1507 zdb_space_map_unload, 1508 NULL, /* alloc */ 1509 zdb_space_map_claim, 1510 NULL, /* free */ 1511 NULL /* maxsize */ 1512 }; 1513 1514 static void 1515 zdb_leak_init(spa_t *spa) 1516 { 1517 vdev_t *rvd = spa->spa_root_vdev; 1518 1519 for (int c = 0; c < rvd->vdev_children; c++) { 1520 vdev_t *vd = rvd->vdev_child[c]; 1521 for (int m = 0; m < vd->vdev_ms_count; m++) { 1522 metaslab_t *msp = vd->vdev_ms[m]; 1523 mutex_enter(&msp->ms_lock); 1524 VERIFY(space_map_load(&msp->ms_map, &zdb_space_map_ops, 1525 SM_ALLOC, &msp->ms_smo, spa->spa_meta_objset) == 0); 1526 msp->ms_map.sm_ppd = vd; 1527 mutex_exit(&msp->ms_lock); 1528 } 1529 } 1530 } 1531 1532 static void 1533 zdb_leak_fini(spa_t *spa) 1534 { 1535 vdev_t *rvd = spa->spa_root_vdev; 1536 1537 for (int c = 0; c < rvd->vdev_children; c++) { 1538 vdev_t *vd = rvd->vdev_child[c]; 1539 for (int m = 0; m < vd->vdev_ms_count; m++) { 1540 metaslab_t *msp = vd->vdev_ms[m]; 1541 mutex_enter(&msp->ms_lock); 1542 space_map_unload(&msp->ms_map); 1543 mutex_exit(&msp->ms_lock); 1544 } 1545 } 1546 } 1547 1548 /* 1549 * Verify that the sum of the sizes of all blocks in the pool adds up 1550 * to the SPA's sa_alloc total. 1551 */ 1552 typedef struct zdb_blkstats { 1553 uint64_t zb_asize; 1554 uint64_t zb_lsize; 1555 uint64_t zb_psize; 1556 uint64_t zb_count; 1557 } zdb_blkstats_t; 1558 1559 #define DMU_OT_DEFERRED DMU_OT_NONE 1560 #define DMU_OT_TOTAL DMU_OT_NUMTYPES 1561 1562 #define ZB_TOTAL DN_MAX_LEVELS 1563 1564 typedef struct zdb_cb { 1565 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][DMU_OT_TOTAL + 1]; 1566 uint64_t zcb_errors[256]; 1567 int zcb_readfails; 1568 int zcb_haderrors; 1569 } zdb_cb_t; 1570 1571 static void 1572 zdb_count_block(spa_t *spa, zdb_cb_t *zcb, blkptr_t *bp, dmu_object_type_t type) 1573 { 1574 for (int i = 0; i < 4; i++) { 1575 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 1576 int t = (i & 1) ? type : DMU_OT_TOTAL; 1577 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 1578 1579 zb->zb_asize += BP_GET_ASIZE(bp); 1580 zb->zb_lsize += BP_GET_LSIZE(bp); 1581 zb->zb_psize += BP_GET_PSIZE(bp); 1582 zb->zb_count++; 1583 } 1584 1585 if (dump_opt['S']) { 1586 boolean_t print_sig; 1587 1588 print_sig = !zdb_sig_user_data || (BP_GET_LEVEL(bp) == 0 && 1589 BP_GET_TYPE(bp) == DMU_OT_PLAIN_FILE_CONTENTS); 1590 1591 if (BP_GET_CHECKSUM(bp) < zdb_sig_cksumalg) 1592 print_sig = B_FALSE; 1593 1594 if (print_sig) { 1595 (void) printf("%llu\t%lld\t%lld\t%s\t%s\t%s\t" 1596 "%llx:%llx:%llx:%llx\n", 1597 (u_longlong_t)BP_GET_LEVEL(bp), 1598 (longlong_t)BP_GET_PSIZE(bp), 1599 (longlong_t)BP_GET_NDVAS(bp), 1600 ZDB_OT_NAME(BP_GET_TYPE(bp)), 1601 ZDB_CHECKSUM_NAME(BP_GET_CHECKSUM(bp)), 1602 ZDB_COMPRESS_NAME(BP_GET_COMPRESS(bp)), 1603 (u_longlong_t)bp->blk_cksum.zc_word[0], 1604 (u_longlong_t)bp->blk_cksum.zc_word[1], 1605 (u_longlong_t)bp->blk_cksum.zc_word[2], 1606 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1607 } 1608 } 1609 1610 if (!dump_opt['L']) 1611 VERIFY(zio_wait(zio_claim(NULL, spa, spa_first_txg(spa), bp, 1612 NULL, NULL, ZIO_FLAG_MUSTSUCCEED)) == 0); 1613 } 1614 1615 static int 1616 zdb_blkptr_cb(spa_t *spa, blkptr_t *bp, const zbookmark_t *zb, 1617 const dnode_phys_t *dnp, void *arg) 1618 { 1619 zdb_cb_t *zcb = arg; 1620 char blkbuf[BP_SPRINTF_LEN]; 1621 dmu_object_type_t type; 1622 boolean_t is_metadata; 1623 1624 if (bp == NULL) 1625 return (0); 1626 1627 type = BP_GET_TYPE(bp); 1628 1629 zdb_count_block(spa, zcb, bp, type); 1630 1631 is_metadata = (BP_GET_LEVEL(bp) != 0 || dmu_ot[type].ot_metadata); 1632 1633 if (dump_opt['c'] > 1 || dump_opt['S'] || 1634 (dump_opt['c'] && is_metadata)) { 1635 size_t size = BP_GET_PSIZE(bp); 1636 void *data = malloc(size); 1637 int ioerr = zio_wait(zio_read(NULL, spa, bp, data, size, 1638 NULL, NULL, ZIO_PRIORITY_ASYNC_READ, 1639 ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW, zb)); 1640 free(data); 1641 1642 /* We expect io errors on intent log */ 1643 if (ioerr && type != DMU_OT_INTENT_LOG) { 1644 zcb->zcb_haderrors = 1; 1645 zcb->zcb_errors[ioerr]++; 1646 1647 if (dump_opt['b'] >= 2) 1648 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1649 else 1650 blkbuf[0] = '\0'; 1651 1652 if (!dump_opt['S']) { 1653 (void) printf("zdb_blkptr_cb: " 1654 "Got error %d reading " 1655 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 1656 ioerr, 1657 (u_longlong_t)zb->zb_objset, 1658 (u_longlong_t)zb->zb_object, 1659 (u_longlong_t)zb->zb_level, 1660 (u_longlong_t)zb->zb_blkid, 1661 blkbuf); 1662 } 1663 } 1664 } 1665 1666 zcb->zcb_readfails = 0; 1667 1668 if (dump_opt['b'] >= 4) { 1669 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, bp); 1670 (void) printf("objset %llu object %llu offset 0x%llx %s\n", 1671 (u_longlong_t)zb->zb_objset, 1672 (u_longlong_t)zb->zb_object, 1673 (u_longlong_t)blkid2offset(dnp, zb->zb_level, zb->zb_blkid), 1674 blkbuf); 1675 } 1676 1677 return (0); 1678 } 1679 1680 static int 1681 dump_block_stats(spa_t *spa) 1682 { 1683 zdb_cb_t zcb = { 0 }; 1684 zdb_blkstats_t *zb, *tzb; 1685 uint64_t alloc, space, logalloc; 1686 vdev_t *rvd = spa->spa_root_vdev; 1687 int leaks = 0; 1688 int c, e; 1689 1690 if (!dump_opt['S']) { 1691 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 1692 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 1693 (dump_opt['c'] == 1) ? "metadata " : "", 1694 dump_opt['c'] ? "checksums " : "", 1695 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 1696 !dump_opt['L'] ? "nothing leaked " : ""); 1697 } 1698 1699 /* 1700 * Load all space maps as SM_ALLOC maps, then traverse the pool 1701 * claiming each block we discover. If the pool is perfectly 1702 * consistent, the space maps will be empty when we're done. 1703 * Anything left over is a leak; any block we can't claim (because 1704 * it's not part of any space map) is a double allocation, 1705 * reference to a freed block, or an unclaimed log block. 1706 */ 1707 if (!dump_opt['L']) 1708 zdb_leak_init(spa); 1709 1710 /* 1711 * If there's a deferred-free bplist, process that first. 1712 */ 1713 if (spa->spa_sync_bplist_obj != 0) { 1714 bplist_t *bpl = &spa->spa_sync_bplist; 1715 blkptr_t blk; 1716 uint64_t itor = 0; 1717 1718 VERIFY(0 == bplist_open(bpl, spa->spa_meta_objset, 1719 spa->spa_sync_bplist_obj)); 1720 1721 while (bplist_iterate(bpl, &itor, &blk) == 0) { 1722 if (dump_opt['b'] >= 4) { 1723 char blkbuf[BP_SPRINTF_LEN]; 1724 sprintf_blkptr(blkbuf, BP_SPRINTF_LEN, &blk); 1725 (void) printf("[%s] %s\n", 1726 "deferred free", blkbuf); 1727 } 1728 zdb_count_block(spa, &zcb, &blk, DMU_OT_DEFERRED); 1729 } 1730 1731 bplist_close(bpl); 1732 } 1733 1734 zcb.zcb_haderrors |= traverse_pool(spa, zdb_blkptr_cb, &zcb, 0); 1735 1736 if (zcb.zcb_haderrors && !dump_opt['S']) { 1737 (void) printf("\nError counts:\n\n"); 1738 (void) printf("\t%5s %s\n", "errno", "count"); 1739 for (e = 0; e < 256; e++) { 1740 if (zcb.zcb_errors[e] != 0) { 1741 (void) printf("\t%5d %llu\n", 1742 e, (u_longlong_t)zcb.zcb_errors[e]); 1743 } 1744 } 1745 } 1746 1747 /* 1748 * Report any leaked segments. 1749 */ 1750 if (!dump_opt['L']) 1751 zdb_leak_fini(spa); 1752 1753 /* 1754 * If we're interested in printing out the blkptr signatures, 1755 * return now as we don't print out anything else (including 1756 * errors and leaks). 1757 */ 1758 if (dump_opt['S']) 1759 return (zcb.zcb_haderrors ? 3 : 0); 1760 1761 alloc = spa_get_alloc(spa); 1762 space = spa_get_space(spa); 1763 1764 /* 1765 * Log blocks allocated from a separate log device don't count 1766 * as part of the normal pool space; factor them in here. 1767 */ 1768 logalloc = 0; 1769 1770 for (c = 0; c < rvd->vdev_children; c++) 1771 if (rvd->vdev_child[c]->vdev_islog) 1772 logalloc += rvd->vdev_child[c]->vdev_stat.vs_alloc; 1773 1774 tzb = &zcb.zcb_type[ZB_TOTAL][DMU_OT_TOTAL]; 1775 1776 if (tzb->zb_asize == alloc + logalloc) { 1777 if (!dump_opt['L']) 1778 (void) printf("\n\tNo leaks (block sum matches space" 1779 " maps exactly)\n"); 1780 } else { 1781 (void) printf("block traversal size %llu != alloc %llu " 1782 "(%s %lld)\n", 1783 (u_longlong_t)tzb->zb_asize, 1784 (u_longlong_t)alloc + logalloc, 1785 (dump_opt['L']) ? "unreachable" : "leaked", 1786 (longlong_t)(alloc + logalloc - tzb->zb_asize)); 1787 leaks = 1; 1788 } 1789 1790 if (tzb->zb_count == 0) 1791 return (2); 1792 1793 (void) printf("\n"); 1794 (void) printf("\tbp count: %10llu\n", 1795 (u_longlong_t)tzb->zb_count); 1796 (void) printf("\tbp logical: %10llu\t avg: %6llu\n", 1797 (u_longlong_t)tzb->zb_lsize, 1798 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 1799 (void) printf("\tbp physical: %10llu\t avg:" 1800 " %6llu\tcompression: %6.2f\n", 1801 (u_longlong_t)tzb->zb_psize, 1802 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 1803 (double)tzb->zb_lsize / tzb->zb_psize); 1804 (void) printf("\tbp allocated: %10llu\t avg:" 1805 " %6llu\tcompression: %6.2f\n", 1806 (u_longlong_t)tzb->zb_asize, 1807 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 1808 (double)tzb->zb_lsize / tzb->zb_asize); 1809 (void) printf("\tSPA allocated: %10llu\tused: %5.2f%%\n", 1810 (u_longlong_t)alloc, 100.0 * alloc / space); 1811 1812 if (dump_opt['b'] >= 2) { 1813 int l, t, level; 1814 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 1815 "\t avg\t comp\t%%Total\tType\n"); 1816 1817 for (t = 0; t <= DMU_OT_NUMTYPES; t++) { 1818 char csize[6], lsize[6], psize[6], asize[6], avg[6]; 1819 char *typename; 1820 1821 typename = t == DMU_OT_DEFERRED ? "deferred free" : 1822 t == DMU_OT_TOTAL ? "Total" : dmu_ot[t].ot_name; 1823 1824 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 1825 (void) printf("%6s\t%5s\t%5s\t%5s" 1826 "\t%5s\t%5s\t%6s\t%s\n", 1827 "-", 1828 "-", 1829 "-", 1830 "-", 1831 "-", 1832 "-", 1833 "-", 1834 typename); 1835 continue; 1836 } 1837 1838 for (l = ZB_TOTAL - 1; l >= -1; l--) { 1839 level = (l == -1 ? ZB_TOTAL : l); 1840 zb = &zcb.zcb_type[level][t]; 1841 1842 if (zb->zb_asize == 0) 1843 continue; 1844 1845 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 1846 continue; 1847 1848 if (level == 0 && zb->zb_asize == 1849 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 1850 continue; 1851 1852 nicenum(zb->zb_count, csize); 1853 nicenum(zb->zb_lsize, lsize); 1854 nicenum(zb->zb_psize, psize); 1855 nicenum(zb->zb_asize, asize); 1856 nicenum(zb->zb_asize / zb->zb_count, avg); 1857 1858 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 1859 "\t%5.2f\t%6.2f\t", 1860 csize, lsize, psize, asize, avg, 1861 (double)zb->zb_lsize / zb->zb_psize, 1862 100.0 * zb->zb_asize / tzb->zb_asize); 1863 1864 if (level == ZB_TOTAL) 1865 (void) printf("%s\n", typename); 1866 else 1867 (void) printf(" L%d %s\n", 1868 level, typename); 1869 } 1870 } 1871 } 1872 1873 (void) printf("\n"); 1874 1875 if (leaks) 1876 return (2); 1877 1878 if (zcb.zcb_haderrors) 1879 return (3); 1880 1881 return (0); 1882 } 1883 1884 static void 1885 dump_zpool(spa_t *spa) 1886 { 1887 dsl_pool_t *dp = spa_get_dsl(spa); 1888 int rc = 0; 1889 1890 if (!dump_opt['e'] && dump_opt['C'] > 1) { 1891 (void) printf("\nCached configuration:\n"); 1892 dump_nvlist(spa->spa_config, 8); 1893 } 1894 1895 if (dump_opt['C']) 1896 dump_config(spa); 1897 1898 if (dump_opt['u']) 1899 dump_uberblock(&spa->spa_uberblock); 1900 1901 if (dump_opt['d'] > 2 || dump_opt['m']) 1902 dump_metaslabs(spa); 1903 1904 if (dump_opt['d'] || dump_opt['i']) { 1905 dump_dir(dp->dp_meta_objset); 1906 if (dump_opt['d'] >= 3) { 1907 dump_bplist(dp->dp_meta_objset, 1908 spa->spa_sync_bplist_obj, "Deferred frees"); 1909 dump_dtl(spa->spa_root_vdev, 0); 1910 } 1911 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 1912 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 1913 } 1914 if (dump_opt['b'] || dump_opt['c'] || dump_opt['S']) 1915 rc = dump_block_stats(spa); 1916 1917 if (dump_opt['s']) 1918 show_pool_stats(spa); 1919 1920 if (dump_opt['h']) 1921 dump_history(spa); 1922 1923 if (rc != 0) 1924 exit(rc); 1925 } 1926 1927 #define ZDB_FLAG_CHECKSUM 0x0001 1928 #define ZDB_FLAG_DECOMPRESS 0x0002 1929 #define ZDB_FLAG_BSWAP 0x0004 1930 #define ZDB_FLAG_GBH 0x0008 1931 #define ZDB_FLAG_INDIRECT 0x0010 1932 #define ZDB_FLAG_PHYS 0x0020 1933 #define ZDB_FLAG_RAW 0x0040 1934 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 1935 1936 int flagbits[256]; 1937 1938 static void 1939 zdb_print_blkptr(blkptr_t *bp, int flags) 1940 { 1941 dva_t *dva = bp->blk_dva; 1942 int d; 1943 1944 if (flags & ZDB_FLAG_BSWAP) 1945 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 1946 /* 1947 * Super-ick warning: This code is also duplicated in 1948 * cmd/mdb/common/modules/zfs/zfs.c . Yeah, I hate code 1949 * replication, too. 1950 */ 1951 for (d = 0; d < BP_GET_NDVAS(bp); d++) { 1952 (void) printf("\tDVA[%d]: vdev_id %lld / %llx\n", d, 1953 (longlong_t)DVA_GET_VDEV(&dva[d]), 1954 (longlong_t)DVA_GET_OFFSET(&dva[d])); 1955 (void) printf("\tDVA[%d]: GANG: %-5s GRID: %04llx\t" 1956 "ASIZE: %llx\n", d, 1957 DVA_GET_GANG(&dva[d]) ? "TRUE" : "FALSE", 1958 (longlong_t)DVA_GET_GRID(&dva[d]), 1959 (longlong_t)DVA_GET_ASIZE(&dva[d])); 1960 (void) printf("\tDVA[%d]: %llu:%llx:%llx:%s%s%s%s\n", d, 1961 (u_longlong_t)DVA_GET_VDEV(&dva[d]), 1962 (longlong_t)DVA_GET_OFFSET(&dva[d]), 1963 (longlong_t)BP_GET_PSIZE(bp), 1964 BP_SHOULD_BYTESWAP(bp) ? "e" : "", 1965 !DVA_GET_GANG(&dva[d]) && BP_GET_LEVEL(bp) != 0 ? 1966 "d" : "", 1967 DVA_GET_GANG(&dva[d]) ? "g" : "", 1968 BP_GET_COMPRESS(bp) != 0 ? "d" : ""); 1969 } 1970 (void) printf("\tLSIZE: %-16llx\t\tPSIZE: %llx\n", 1971 (longlong_t)BP_GET_LSIZE(bp), (longlong_t)BP_GET_PSIZE(bp)); 1972 (void) printf("\tENDIAN: %6s\t\t\t\t\tTYPE: %s\n", 1973 BP_GET_BYTEORDER(bp) ? "LITTLE" : "BIG", 1974 ZDB_OT_NAME(BP_GET_TYPE(bp))); 1975 (void) printf("\tBIRTH: %-16llx LEVEL: %-2llu\tFILL: %llx\n", 1976 (u_longlong_t)bp->blk_birth, (u_longlong_t)BP_GET_LEVEL(bp), 1977 (u_longlong_t)bp->blk_fill); 1978 (void) printf("\tCKFUNC: %-16s\t\tCOMP: %s\n", 1979 ZDB_CHECKSUM_NAME(BP_GET_CHECKSUM(bp)), 1980 ZDB_COMPRESS_NAME(BP_GET_COMPRESS(bp))); 1981 (void) printf("\tCKSUM: %llx:%llx:%llx:%llx\n", 1982 (u_longlong_t)bp->blk_cksum.zc_word[0], 1983 (u_longlong_t)bp->blk_cksum.zc_word[1], 1984 (u_longlong_t)bp->blk_cksum.zc_word[2], 1985 (u_longlong_t)bp->blk_cksum.zc_word[3]); 1986 } 1987 1988 static void 1989 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 1990 { 1991 int i; 1992 1993 for (i = 0; i < nbps; i++) 1994 zdb_print_blkptr(&bp[i], flags); 1995 } 1996 1997 static void 1998 zdb_dump_gbh(void *buf, int flags) 1999 { 2000 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 2001 } 2002 2003 static void 2004 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 2005 { 2006 if (flags & ZDB_FLAG_BSWAP) 2007 byteswap_uint64_array(buf, size); 2008 (void) write(2, buf, size); 2009 } 2010 2011 static void 2012 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 2013 { 2014 uint64_t *d = (uint64_t *)buf; 2015 int nwords = size / sizeof (uint64_t); 2016 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 2017 int i, j; 2018 char *hdr, *c; 2019 2020 2021 if (do_bswap) 2022 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 2023 else 2024 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 2025 2026 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 2027 2028 for (i = 0; i < nwords; i += 2) { 2029 (void) printf("%06llx: %016llx %016llx ", 2030 (u_longlong_t)(i * sizeof (uint64_t)), 2031 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 2032 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 2033 2034 c = (char *)&d[i]; 2035 for (j = 0; j < 2 * sizeof (uint64_t); j++) 2036 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 2037 (void) printf("\n"); 2038 } 2039 } 2040 2041 /* 2042 * There are two acceptable formats: 2043 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 2044 * child[.child]* - For example: 0.1.1 2045 * 2046 * The second form can be used to specify arbitrary vdevs anywhere 2047 * in the heirarchy. For example, in a pool with a mirror of 2048 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 2049 */ 2050 static vdev_t * 2051 zdb_vdev_lookup(vdev_t *vdev, char *path) 2052 { 2053 char *s, *p, *q; 2054 int i; 2055 2056 if (vdev == NULL) 2057 return (NULL); 2058 2059 /* First, assume the x.x.x.x format */ 2060 i = (int)strtoul(path, &s, 10); 2061 if (s == path || (s && *s != '.' && *s != '\0')) 2062 goto name; 2063 if (i < 0 || i >= vdev->vdev_children) 2064 return (NULL); 2065 2066 vdev = vdev->vdev_child[i]; 2067 if (*s == '\0') 2068 return (vdev); 2069 return (zdb_vdev_lookup(vdev, s+1)); 2070 2071 name: 2072 for (i = 0; i < vdev->vdev_children; i++) { 2073 vdev_t *vc = vdev->vdev_child[i]; 2074 2075 if (vc->vdev_path == NULL) { 2076 vc = zdb_vdev_lookup(vc, path); 2077 if (vc == NULL) 2078 continue; 2079 else 2080 return (vc); 2081 } 2082 2083 p = strrchr(vc->vdev_path, '/'); 2084 p = p ? p + 1 : vc->vdev_path; 2085 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2086 2087 if (strcmp(vc->vdev_path, path) == 0) 2088 return (vc); 2089 if (strcmp(p, path) == 0) 2090 return (vc); 2091 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2092 return (vc); 2093 } 2094 2095 return (NULL); 2096 } 2097 2098 /* 2099 * Read a block from a pool and print it out. The syntax of the 2100 * block descriptor is: 2101 * 2102 * pool:vdev_specifier:offset:size[:flags] 2103 * 2104 * pool - The name of the pool you wish to read from 2105 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2106 * offset - offset, in hex, in bytes 2107 * size - Amount of data to read, in hex, in bytes 2108 * flags - A string of characters specifying options 2109 * b: Decode a blkptr at given offset within block 2110 * *c: Calculate and display checksums 2111 * *d: Decompress data before dumping 2112 * e: Byteswap data before dumping 2113 * *g: Display data as a gang block header 2114 * *i: Display as an indirect block 2115 * p: Do I/O to physical offset 2116 * r: Dump raw data to stdout 2117 * 2118 * * = not yet implemented 2119 */ 2120 static void 2121 zdb_read_block(char *thing, spa_t *spa) 2122 { 2123 int flags = 0; 2124 uint64_t offset = 0, size = 0, blkptr_offset = 0; 2125 zio_t *zio; 2126 vdev_t *vd; 2127 void *buf; 2128 char *s, *p, *dup, *vdev, *flagstr; 2129 int i, error, zio_flags; 2130 2131 dup = strdup(thing); 2132 s = strtok(dup, ":"); 2133 vdev = s ? s : ""; 2134 s = strtok(NULL, ":"); 2135 offset = strtoull(s ? s : "", NULL, 16); 2136 s = strtok(NULL, ":"); 2137 size = strtoull(s ? s : "", NULL, 16); 2138 s = strtok(NULL, ":"); 2139 flagstr = s ? s : ""; 2140 2141 s = NULL; 2142 if (size == 0) 2143 s = "size must not be zero"; 2144 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2145 s = "size must be a multiple of sector size"; 2146 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2147 s = "offset must be a multiple of sector size"; 2148 if (s) { 2149 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2150 free(dup); 2151 return; 2152 } 2153 2154 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2155 for (i = 0; flagstr[i]; i++) { 2156 int bit = flagbits[(uchar_t)flagstr[i]]; 2157 2158 if (bit == 0) { 2159 (void) printf("***Invalid flag: %c\n", 2160 flagstr[i]); 2161 continue; 2162 } 2163 flags |= bit; 2164 2165 /* If it's not something with an argument, keep going */ 2166 if ((bit & (ZDB_FLAG_CHECKSUM | ZDB_FLAG_DECOMPRESS | 2167 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2168 continue; 2169 2170 p = &flagstr[i + 1]; 2171 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2172 blkptr_offset = strtoull(p, &p, 16); 2173 if (*p != ':' && *p != '\0') { 2174 (void) printf("***Invalid flag arg: '%s'\n", s); 2175 free(dup); 2176 return; 2177 } 2178 } 2179 } 2180 2181 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2182 if (vd == NULL) { 2183 (void) printf("***Invalid vdev: %s\n", vdev); 2184 free(dup); 2185 return; 2186 } else { 2187 if (vd->vdev_path) 2188 (void) printf("Found vdev: %s\n", vd->vdev_path); 2189 else 2190 (void) printf("Found vdev type: %s\n", 2191 vd->vdev_ops->vdev_op_type); 2192 } 2193 2194 buf = umem_alloc(size, UMEM_NOFAIL); 2195 2196 zio_flags = ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2197 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY; 2198 2199 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2200 zio = zio_root(spa, NULL, NULL, 0); 2201 /* XXX todo - cons up a BP so RAID-Z will be happy */ 2202 zio_nowait(zio_vdev_child_io(zio, NULL, vd, offset, buf, size, 2203 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, zio_flags, NULL, NULL)); 2204 error = zio_wait(zio); 2205 spa_config_exit(spa, SCL_STATE, FTAG); 2206 2207 if (error) { 2208 (void) printf("Read of %s failed, error: %d\n", thing, error); 2209 goto out; 2210 } 2211 2212 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2213 zdb_print_blkptr((blkptr_t *)(void *) 2214 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2215 else if (flags & ZDB_FLAG_RAW) 2216 zdb_dump_block_raw(buf, size, flags); 2217 else if (flags & ZDB_FLAG_INDIRECT) 2218 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2219 flags); 2220 else if (flags & ZDB_FLAG_GBH) 2221 zdb_dump_gbh(buf, flags); 2222 else 2223 zdb_dump_block(thing, buf, size, flags); 2224 2225 out: 2226 umem_free(buf, size); 2227 free(dup); 2228 } 2229 2230 static boolean_t 2231 pool_match(nvlist_t *cfg, char *tgt) 2232 { 2233 uint64_t v, guid = strtoull(tgt, NULL, 0); 2234 char *s; 2235 2236 if (guid != 0) { 2237 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 2238 return (v == guid); 2239 } else { 2240 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 2241 return (strcmp(s, tgt) == 0); 2242 } 2243 return (B_FALSE); 2244 } 2245 2246 static char * 2247 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 2248 { 2249 nvlist_t *pools; 2250 nvlist_t *match = NULL; 2251 char *name = NULL; 2252 char *sepp = NULL; 2253 char sep; 2254 int count = 0; 2255 2256 if ((sepp = strpbrk(*target, "/@")) != NULL) { 2257 sep = *sepp; 2258 *sepp = '\0'; 2259 } 2260 2261 pools = zpool_find_import_activeok(g_zfs, dirc, dirv); 2262 2263 if (pools != NULL) { 2264 nvpair_t *elem = NULL; 2265 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 2266 verify(nvpair_value_nvlist(elem, configp) == 0); 2267 if (pool_match(*configp, *target)) { 2268 count++; 2269 if (match != NULL) { 2270 /* print previously found config */ 2271 if (name != NULL) { 2272 (void) printf("%s\n", name); 2273 dump_nvlist(match, 8); 2274 name = NULL; 2275 } 2276 (void) printf("%s\n", 2277 nvpair_name(elem)); 2278 dump_nvlist(*configp, 8); 2279 } else { 2280 match = *configp; 2281 name = nvpair_name(elem); 2282 } 2283 } 2284 } 2285 } 2286 if (count > 1) 2287 (void) fatal("\tMatched %d pools - use pool GUID " 2288 "instead of pool name or \n" 2289 "\tpool name part of a dataset name to select pool", count); 2290 2291 if (sepp) 2292 *sepp = sep; 2293 /* 2294 * If pool GUID was specified for pool id, replace it with pool name 2295 */ 2296 if (name && (strstr(*target, name) != *target)) { 2297 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 2298 2299 *target = umem_alloc(sz, UMEM_NOFAIL); 2300 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 2301 } 2302 2303 *configp = name ? match : NULL; 2304 2305 return (name); 2306 } 2307 2308 int 2309 main(int argc, char **argv) 2310 { 2311 int i, c; 2312 struct rlimit rl = { 1024, 1024 }; 2313 spa_t *spa = NULL; 2314 objset_t *os = NULL; 2315 char *endstr; 2316 int dump_all = 1; 2317 int verbose = 0; 2318 int error; 2319 char **searchdirs = NULL; 2320 int nsearch = 0; 2321 char *target; 2322 nvlist_t *policy = NULL; 2323 uint64_t max_txg = UINT64_MAX; 2324 2325 (void) setrlimit(RLIMIT_NOFILE, &rl); 2326 (void) enable_extended_FILE_stdio(-1, -1); 2327 2328 dprintf_setup(&argc, argv); 2329 2330 while ((c = getopt(argc, argv, "udhibcmsvCLS:RU:lep:t:")) != -1) { 2331 switch (c) { 2332 case 'u': 2333 case 'd': 2334 case 'i': 2335 case 'h': 2336 case 'b': 2337 case 'c': 2338 case 'm': 2339 case 's': 2340 case 'C': 2341 case 'l': 2342 case 'R': 2343 dump_opt[c]++; 2344 dump_all = 0; 2345 break; 2346 case 'L': 2347 case 'e': 2348 dump_opt[c]++; 2349 break; 2350 case 'v': 2351 verbose++; 2352 break; 2353 case 'U': 2354 spa_config_path = optarg; 2355 break; 2356 case 'p': 2357 if (searchdirs == NULL) { 2358 searchdirs = umem_alloc(sizeof (char *), 2359 UMEM_NOFAIL); 2360 } else { 2361 char **tmp = umem_alloc((nsearch + 1) * 2362 sizeof (char *), UMEM_NOFAIL); 2363 bcopy(searchdirs, tmp, nsearch * 2364 sizeof (char *)); 2365 umem_free(searchdirs, 2366 nsearch * sizeof (char *)); 2367 searchdirs = tmp; 2368 } 2369 searchdirs[nsearch++] = optarg; 2370 break; 2371 case 'S': 2372 dump_opt[c]++; 2373 dump_all = 0; 2374 zdb_sig_user_data = (strncmp(optarg, "user:", 5) == 0); 2375 if (!zdb_sig_user_data && strncmp(optarg, "all:", 4)) 2376 usage(); 2377 endstr = strchr(optarg, ':') + 1; 2378 if (strcmp(endstr, "fletcher2") == 0) 2379 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2380 else if (strcmp(endstr, "fletcher4") == 0) 2381 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_4; 2382 else if (strcmp(endstr, "sha256") == 0) 2383 zdb_sig_cksumalg = ZIO_CHECKSUM_SHA256; 2384 else if (strcmp(endstr, "all") == 0) 2385 zdb_sig_cksumalg = ZIO_CHECKSUM_FLETCHER_2; 2386 else 2387 usage(); 2388 break; 2389 case 't': 2390 max_txg = strtoull(optarg, NULL, 0); 2391 if (max_txg < TXG_INITIAL) { 2392 (void) fprintf(stderr, "incorrect txg " 2393 "specified: %s\n", optarg); 2394 usage(); 2395 } 2396 break; 2397 default: 2398 usage(); 2399 break; 2400 } 2401 } 2402 2403 if (!dump_opt['e'] && searchdirs != NULL) { 2404 (void) fprintf(stderr, "-p option requires use of -e\n"); 2405 usage(); 2406 } 2407 2408 kernel_init(FREAD); 2409 g_zfs = libzfs_init(); 2410 ASSERT(g_zfs != NULL); 2411 2412 for (c = 0; c < 256; c++) { 2413 if (dump_all && !strchr("elLR", c)) 2414 dump_opt[c] = 1; 2415 if (dump_opt[c]) 2416 dump_opt[c] += verbose; 2417 } 2418 2419 argc -= optind; 2420 argv += optind; 2421 2422 if (argc < 2 && dump_opt['R']) 2423 usage(); 2424 if (argc < 1) { 2425 if (!dump_opt['e'] && dump_opt['C']) { 2426 dump_cachefile(spa_config_path); 2427 return (0); 2428 } 2429 usage(); 2430 } 2431 2432 if (dump_opt['l']) { 2433 dump_label(argv[0]); 2434 return (0); 2435 } 2436 2437 error = 0; 2438 target = argv[0]; 2439 2440 if (dump_opt['e']) { 2441 nvlist_t *cfg = NULL; 2442 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 2443 2444 error = ENOENT; 2445 if (name) { 2446 if (dump_opt['C'] > 1) { 2447 (void) printf("\nConfiguration for import:\n"); 2448 dump_nvlist(cfg, 8); 2449 } 2450 if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 || 2451 nvlist_add_uint64(policy, 2452 ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 2453 nvlist_add_nvlist(cfg, 2454 ZPOOL_REWIND_POLICY, policy) != 0) { 2455 fatal("can't open '%s': %s", 2456 target, strerror(ENOMEM)); 2457 } 2458 if ((error = spa_import(name, cfg, NULL)) != 0) 2459 error = spa_import_verbatim(name, cfg, NULL); 2460 nvlist_free(policy); 2461 } 2462 } 2463 2464 if (error == 0) { 2465 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 2466 error = spa_open(target, &spa, FTAG); 2467 if (error) { 2468 /* 2469 * If we're missing the log device then 2470 * try opening the pool after clearing the 2471 * log state. 2472 */ 2473 mutex_enter(&spa_namespace_lock); 2474 if ((spa = spa_lookup(target)) != NULL && 2475 spa->spa_log_state == SPA_LOG_MISSING) { 2476 spa->spa_log_state = SPA_LOG_CLEAR; 2477 error = 0; 2478 } 2479 mutex_exit(&spa_namespace_lock); 2480 2481 if (!error) 2482 error = spa_open(target, &spa, FTAG); 2483 } 2484 } else { 2485 error = dmu_objset_own(target, DMU_OST_ANY, 2486 B_TRUE, FTAG, &os); 2487 } 2488 } 2489 if (error) 2490 fatal("can't open '%s': %s", target, strerror(error)); 2491 2492 argv++; 2493 argc--; 2494 if (!dump_opt['R']) { 2495 if (argc > 0) { 2496 zopt_objects = argc; 2497 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 2498 for (i = 0; i < zopt_objects; i++) { 2499 errno = 0; 2500 zopt_object[i] = strtoull(argv[i], NULL, 0); 2501 if (zopt_object[i] == 0 && errno != 0) 2502 fatal("bad number %s: %s", 2503 argv[i], strerror(errno)); 2504 } 2505 } 2506 (os != NULL) ? dump_dir(os) : dump_zpool(spa); 2507 } else { 2508 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 2509 flagbits['c'] = ZDB_FLAG_CHECKSUM; 2510 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 2511 flagbits['e'] = ZDB_FLAG_BSWAP; 2512 flagbits['g'] = ZDB_FLAG_GBH; 2513 flagbits['i'] = ZDB_FLAG_INDIRECT; 2514 flagbits['p'] = ZDB_FLAG_PHYS; 2515 flagbits['r'] = ZDB_FLAG_RAW; 2516 2517 for (i = 0; i < argc; i++) 2518 zdb_read_block(argv[i], spa); 2519 } 2520 2521 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 2522 2523 fuid_table_destroy(); 2524 2525 libzfs_fini(g_zfs); 2526 kernel_fini(); 2527 2528 return (0); 2529 } 2530