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 * Copyright (c) 2012 by Delphix. All rights reserved. 25 */ 26 27 #include <stdio.h> 28 #include <stdio_ext.h> 29 #include <stdlib.h> 30 #include <ctype.h> 31 #include <sys/zfs_context.h> 32 #include <sys/spa.h> 33 #include <sys/spa_impl.h> 34 #include <sys/dmu.h> 35 #include <sys/zap.h> 36 #include <sys/fs/zfs.h> 37 #include <sys/zfs_znode.h> 38 #include <sys/zfs_sa.h> 39 #include <sys/sa.h> 40 #include <sys/sa_impl.h> 41 #include <sys/vdev.h> 42 #include <sys/vdev_impl.h> 43 #include <sys/metaslab_impl.h> 44 #include <sys/dmu_objset.h> 45 #include <sys/dsl_dir.h> 46 #include <sys/dsl_dataset.h> 47 #include <sys/dsl_pool.h> 48 #include <sys/dbuf.h> 49 #include <sys/zil.h> 50 #include <sys/zil_impl.h> 51 #include <sys/stat.h> 52 #include <sys/resource.h> 53 #include <sys/dmu_traverse.h> 54 #include <sys/zio_checksum.h> 55 #include <sys/zio_compress.h> 56 #include <sys/zfs_fuid.h> 57 #include <sys/arc.h> 58 #include <sys/ddt.h> 59 #include <sys/zfeature.h> 60 #include <zfs_comutil.h> 61 #undef ZFS_MAXNAMELEN 62 #undef verify 63 #include <libzfs.h> 64 65 #define ZDB_COMPRESS_NAME(idx) ((idx) < ZIO_COMPRESS_FUNCTIONS ? \ 66 zio_compress_table[(idx)].ci_name : "UNKNOWN") 67 #define ZDB_CHECKSUM_NAME(idx) ((idx) < ZIO_CHECKSUM_FUNCTIONS ? \ 68 zio_checksum_table[(idx)].ci_name : "UNKNOWN") 69 #define ZDB_OT_NAME(idx) ((idx) < DMU_OT_NUMTYPES ? \ 70 dmu_ot[(idx)].ot_name : DMU_OT_IS_VALID(idx) ? \ 71 dmu_ot_byteswap[DMU_OT_BYTESWAP(idx)].ob_name : "UNKNOWN") 72 #define ZDB_OT_TYPE(idx) ((idx) < DMU_OT_NUMTYPES ? (idx) : \ 73 (((idx) == DMU_OTN_ZAP_DATA || (idx) == DMU_OTN_ZAP_METADATA) ? \ 74 DMU_OT_ZAP_OTHER : DMU_OT_NUMTYPES)) 75 76 #ifndef lint 77 extern int zfs_recover; 78 #else 79 int zfs_recover; 80 #endif 81 82 const char cmdname[] = "zdb"; 83 uint8_t dump_opt[256]; 84 85 typedef void object_viewer_t(objset_t *, uint64_t, void *data, size_t size); 86 87 extern void dump_intent_log(zilog_t *); 88 uint64_t *zopt_object = NULL; 89 int zopt_objects = 0; 90 libzfs_handle_t *g_zfs; 91 uint64_t max_inflight = 200; 92 93 /* 94 * These libumem hooks provide a reasonable set of defaults for the allocator's 95 * debugging facilities. 96 */ 97 const char * 98 _umem_debug_init() 99 { 100 return ("default,verbose"); /* $UMEM_DEBUG setting */ 101 } 102 103 const char * 104 _umem_logging_init(void) 105 { 106 return ("fail,contents"); /* $UMEM_LOGGING setting */ 107 } 108 109 static void 110 usage(void) 111 { 112 (void) fprintf(stderr, 113 "Usage: %s [-CumdibcsDvhLXFPA] [-t txg] [-e [-p path...]] " 114 "[-U config] [-M inflight I/Os] poolname [object...]\n" 115 " %s [-divPA] [-e -p path...] [-U config] dataset " 116 "[object...]\n" 117 " %s -m [-LXFPA] [-t txg] [-e [-p path...]] [-U config] " 118 "poolname [vdev [metaslab...]]\n" 119 " %s -R [-A] [-e [-p path...]] poolname " 120 "vdev:offset:size[:flags]\n" 121 " %s -S [-PA] [-e [-p path...]] [-U config] poolname\n" 122 " %s -l [-uA] device\n" 123 " %s -C [-A] [-U config]\n\n", 124 cmdname, cmdname, cmdname, cmdname, cmdname, cmdname, cmdname); 125 126 (void) fprintf(stderr, " Dataset name must include at least one " 127 "separator character '/' or '@'\n"); 128 (void) fprintf(stderr, " If dataset name is specified, only that " 129 "dataset is dumped\n"); 130 (void) fprintf(stderr, " If object numbers are specified, only " 131 "those objects are dumped\n\n"); 132 (void) fprintf(stderr, " Options to control amount of output:\n"); 133 (void) fprintf(stderr, " -u uberblock\n"); 134 (void) fprintf(stderr, " -d dataset(s)\n"); 135 (void) fprintf(stderr, " -i intent logs\n"); 136 (void) fprintf(stderr, " -C config (or cachefile if alone)\n"); 137 (void) fprintf(stderr, " -h pool history\n"); 138 (void) fprintf(stderr, " -b block statistics\n"); 139 (void) fprintf(stderr, " -m metaslabs\n"); 140 (void) fprintf(stderr, " -c checksum all metadata (twice for " 141 "all data) blocks\n"); 142 (void) fprintf(stderr, " -s report stats on zdb's I/O\n"); 143 (void) fprintf(stderr, " -D dedup statistics\n"); 144 (void) fprintf(stderr, " -S simulate dedup to measure effect\n"); 145 (void) fprintf(stderr, " -v verbose (applies to all others)\n"); 146 (void) fprintf(stderr, " -l dump label contents\n"); 147 (void) fprintf(stderr, " -L disable leak tracking (do not " 148 "load spacemaps)\n"); 149 (void) fprintf(stderr, " -R read and display block from a " 150 "device\n\n"); 151 (void) fprintf(stderr, " Below options are intended for use " 152 "with other options (except -l):\n"); 153 (void) fprintf(stderr, " -A ignore assertions (-A), enable " 154 "panic recovery (-AA) or both (-AAA)\n"); 155 (void) fprintf(stderr, " -F attempt automatic rewind within " 156 "safe range of transaction groups\n"); 157 (void) fprintf(stderr, " -U <cachefile_path> -- use alternate " 158 "cachefile\n"); 159 (void) fprintf(stderr, " -X attempt extreme rewind (does not " 160 "work with dataset)\n"); 161 (void) fprintf(stderr, " -e pool is exported/destroyed/" 162 "has altroot/not in a cachefile\n"); 163 (void) fprintf(stderr, " -p <path> -- use one or more with " 164 "-e to specify path to vdev dir\n"); 165 (void) fprintf(stderr, " -P print numbers in parseable form\n"); 166 (void) fprintf(stderr, " -t <txg> -- highest txg to use when " 167 "searching for uberblocks\n"); 168 (void) fprintf(stderr, " -M <number of inflight I/Os> -- " 169 "specify the maximum number of checksumming I/Os [default is 200]"); 170 (void) fprintf(stderr, "Specify an option more than once (e.g. -bb) " 171 "to make only that option verbose\n"); 172 (void) fprintf(stderr, "Default is to dump everything non-verbosely\n"); 173 exit(1); 174 } 175 176 /* 177 * Called for usage errors that are discovered after a call to spa_open(), 178 * dmu_bonus_hold(), or pool_match(). abort() is called for other errors. 179 */ 180 181 static void 182 fatal(const char *fmt, ...) 183 { 184 va_list ap; 185 186 va_start(ap, fmt); 187 (void) fprintf(stderr, "%s: ", cmdname); 188 (void) vfprintf(stderr, fmt, ap); 189 va_end(ap); 190 (void) fprintf(stderr, "\n"); 191 192 exit(1); 193 } 194 195 /* ARGSUSED */ 196 static void 197 dump_packed_nvlist(objset_t *os, uint64_t object, void *data, size_t size) 198 { 199 nvlist_t *nv; 200 size_t nvsize = *(uint64_t *)data; 201 char *packed = umem_alloc(nvsize, UMEM_NOFAIL); 202 203 VERIFY(0 == dmu_read(os, object, 0, nvsize, packed, DMU_READ_PREFETCH)); 204 205 VERIFY(nvlist_unpack(packed, nvsize, &nv, 0) == 0); 206 207 umem_free(packed, nvsize); 208 209 dump_nvlist(nv, 8); 210 211 nvlist_free(nv); 212 } 213 214 /* ARGSUSED */ 215 static void 216 dump_history_offsets(objset_t *os, uint64_t object, void *data, size_t size) 217 { 218 spa_history_phys_t *shp = data; 219 220 if (shp == NULL) 221 return; 222 223 (void) printf("\t\tpool_create_len = %llu\n", 224 (u_longlong_t)shp->sh_pool_create_len); 225 (void) printf("\t\tphys_max_off = %llu\n", 226 (u_longlong_t)shp->sh_phys_max_off); 227 (void) printf("\t\tbof = %llu\n", 228 (u_longlong_t)shp->sh_bof); 229 (void) printf("\t\teof = %llu\n", 230 (u_longlong_t)shp->sh_eof); 231 (void) printf("\t\trecords_lost = %llu\n", 232 (u_longlong_t)shp->sh_records_lost); 233 } 234 235 static void 236 zdb_nicenum(uint64_t num, char *buf) 237 { 238 if (dump_opt['P']) 239 (void) sprintf(buf, "%llu", (longlong_t)num); 240 else 241 nicenum(num, buf); 242 } 243 244 const char dump_zap_stars[] = "****************************************"; 245 const int dump_zap_width = sizeof (dump_zap_stars) - 1; 246 247 static void 248 dump_zap_histogram(uint64_t histo[ZAP_HISTOGRAM_SIZE]) 249 { 250 int i; 251 int minidx = ZAP_HISTOGRAM_SIZE - 1; 252 int maxidx = 0; 253 uint64_t max = 0; 254 255 for (i = 0; i < ZAP_HISTOGRAM_SIZE; i++) { 256 if (histo[i] > max) 257 max = histo[i]; 258 if (histo[i] > 0 && i > maxidx) 259 maxidx = i; 260 if (histo[i] > 0 && i < minidx) 261 minidx = i; 262 } 263 264 if (max < dump_zap_width) 265 max = dump_zap_width; 266 267 for (i = minidx; i <= maxidx; i++) 268 (void) printf("\t\t\t%u: %6llu %s\n", i, (u_longlong_t)histo[i], 269 &dump_zap_stars[(max - histo[i]) * dump_zap_width / max]); 270 } 271 272 static void 273 dump_zap_stats(objset_t *os, uint64_t object) 274 { 275 int error; 276 zap_stats_t zs; 277 278 error = zap_get_stats(os, object, &zs); 279 if (error) 280 return; 281 282 if (zs.zs_ptrtbl_len == 0) { 283 ASSERT(zs.zs_num_blocks == 1); 284 (void) printf("\tmicrozap: %llu bytes, %llu entries\n", 285 (u_longlong_t)zs.zs_blocksize, 286 (u_longlong_t)zs.zs_num_entries); 287 return; 288 } 289 290 (void) printf("\tFat ZAP stats:\n"); 291 292 (void) printf("\t\tPointer table:\n"); 293 (void) printf("\t\t\t%llu elements\n", 294 (u_longlong_t)zs.zs_ptrtbl_len); 295 (void) printf("\t\t\tzt_blk: %llu\n", 296 (u_longlong_t)zs.zs_ptrtbl_zt_blk); 297 (void) printf("\t\t\tzt_numblks: %llu\n", 298 (u_longlong_t)zs.zs_ptrtbl_zt_numblks); 299 (void) printf("\t\t\tzt_shift: %llu\n", 300 (u_longlong_t)zs.zs_ptrtbl_zt_shift); 301 (void) printf("\t\t\tzt_blks_copied: %llu\n", 302 (u_longlong_t)zs.zs_ptrtbl_blks_copied); 303 (void) printf("\t\t\tzt_nextblk: %llu\n", 304 (u_longlong_t)zs.zs_ptrtbl_nextblk); 305 306 (void) printf("\t\tZAP entries: %llu\n", 307 (u_longlong_t)zs.zs_num_entries); 308 (void) printf("\t\tLeaf blocks: %llu\n", 309 (u_longlong_t)zs.zs_num_leafs); 310 (void) printf("\t\tTotal blocks: %llu\n", 311 (u_longlong_t)zs.zs_num_blocks); 312 (void) printf("\t\tzap_block_type: 0x%llx\n", 313 (u_longlong_t)zs.zs_block_type); 314 (void) printf("\t\tzap_magic: 0x%llx\n", 315 (u_longlong_t)zs.zs_magic); 316 (void) printf("\t\tzap_salt: 0x%llx\n", 317 (u_longlong_t)zs.zs_salt); 318 319 (void) printf("\t\tLeafs with 2^n pointers:\n"); 320 dump_zap_histogram(zs.zs_leafs_with_2n_pointers); 321 322 (void) printf("\t\tBlocks with n*5 entries:\n"); 323 dump_zap_histogram(zs.zs_blocks_with_n5_entries); 324 325 (void) printf("\t\tBlocks n/10 full:\n"); 326 dump_zap_histogram(zs.zs_blocks_n_tenths_full); 327 328 (void) printf("\t\tEntries with n chunks:\n"); 329 dump_zap_histogram(zs.zs_entries_using_n_chunks); 330 331 (void) printf("\t\tBuckets with n entries:\n"); 332 dump_zap_histogram(zs.zs_buckets_with_n_entries); 333 } 334 335 /*ARGSUSED*/ 336 static void 337 dump_none(objset_t *os, uint64_t object, void *data, size_t size) 338 { 339 } 340 341 /*ARGSUSED*/ 342 static void 343 dump_unknown(objset_t *os, uint64_t object, void *data, size_t size) 344 { 345 (void) printf("\tUNKNOWN OBJECT TYPE\n"); 346 } 347 348 /*ARGSUSED*/ 349 void 350 dump_uint8(objset_t *os, uint64_t object, void *data, size_t size) 351 { 352 } 353 354 /*ARGSUSED*/ 355 static void 356 dump_uint64(objset_t *os, uint64_t object, void *data, size_t size) 357 { 358 } 359 360 /*ARGSUSED*/ 361 static void 362 dump_zap(objset_t *os, uint64_t object, void *data, size_t size) 363 { 364 zap_cursor_t zc; 365 zap_attribute_t attr; 366 void *prop; 367 int i; 368 369 dump_zap_stats(os, object); 370 (void) printf("\n"); 371 372 for (zap_cursor_init(&zc, os, object); 373 zap_cursor_retrieve(&zc, &attr) == 0; 374 zap_cursor_advance(&zc)) { 375 (void) printf("\t\t%s = ", attr.za_name); 376 if (attr.za_num_integers == 0) { 377 (void) printf("\n"); 378 continue; 379 } 380 prop = umem_zalloc(attr.za_num_integers * 381 attr.za_integer_length, UMEM_NOFAIL); 382 (void) zap_lookup(os, object, attr.za_name, 383 attr.za_integer_length, attr.za_num_integers, prop); 384 if (attr.za_integer_length == 1) { 385 (void) printf("%s", (char *)prop); 386 } else { 387 for (i = 0; i < attr.za_num_integers; i++) { 388 switch (attr.za_integer_length) { 389 case 2: 390 (void) printf("%u ", 391 ((uint16_t *)prop)[i]); 392 break; 393 case 4: 394 (void) printf("%u ", 395 ((uint32_t *)prop)[i]); 396 break; 397 case 8: 398 (void) printf("%lld ", 399 (u_longlong_t)((int64_t *)prop)[i]); 400 break; 401 } 402 } 403 } 404 (void) printf("\n"); 405 umem_free(prop, attr.za_num_integers * attr.za_integer_length); 406 } 407 zap_cursor_fini(&zc); 408 } 409 410 /*ARGSUSED*/ 411 static void 412 dump_ddt_zap(objset_t *os, uint64_t object, void *data, size_t size) 413 { 414 dump_zap_stats(os, object); 415 /* contents are printed elsewhere, properly decoded */ 416 } 417 418 /*ARGSUSED*/ 419 static void 420 dump_sa_attrs(objset_t *os, uint64_t object, void *data, size_t size) 421 { 422 zap_cursor_t zc; 423 zap_attribute_t attr; 424 425 dump_zap_stats(os, object); 426 (void) printf("\n"); 427 428 for (zap_cursor_init(&zc, os, object); 429 zap_cursor_retrieve(&zc, &attr) == 0; 430 zap_cursor_advance(&zc)) { 431 (void) printf("\t\t%s = ", attr.za_name); 432 if (attr.za_num_integers == 0) { 433 (void) printf("\n"); 434 continue; 435 } 436 (void) printf(" %llx : [%d:%d:%d]\n", 437 (u_longlong_t)attr.za_first_integer, 438 (int)ATTR_LENGTH(attr.za_first_integer), 439 (int)ATTR_BSWAP(attr.za_first_integer), 440 (int)ATTR_NUM(attr.za_first_integer)); 441 } 442 zap_cursor_fini(&zc); 443 } 444 445 /*ARGSUSED*/ 446 static void 447 dump_sa_layouts(objset_t *os, uint64_t object, void *data, size_t size) 448 { 449 zap_cursor_t zc; 450 zap_attribute_t attr; 451 uint16_t *layout_attrs; 452 int i; 453 454 dump_zap_stats(os, object); 455 (void) printf("\n"); 456 457 for (zap_cursor_init(&zc, os, object); 458 zap_cursor_retrieve(&zc, &attr) == 0; 459 zap_cursor_advance(&zc)) { 460 (void) printf("\t\t%s = [", attr.za_name); 461 if (attr.za_num_integers == 0) { 462 (void) printf("\n"); 463 continue; 464 } 465 466 VERIFY(attr.za_integer_length == 2); 467 layout_attrs = umem_zalloc(attr.za_num_integers * 468 attr.za_integer_length, UMEM_NOFAIL); 469 470 VERIFY(zap_lookup(os, object, attr.za_name, 471 attr.za_integer_length, 472 attr.za_num_integers, layout_attrs) == 0); 473 474 for (i = 0; i != attr.za_num_integers; i++) 475 (void) printf(" %d ", (int)layout_attrs[i]); 476 (void) printf("]\n"); 477 umem_free(layout_attrs, 478 attr.za_num_integers * attr.za_integer_length); 479 } 480 zap_cursor_fini(&zc); 481 } 482 483 /*ARGSUSED*/ 484 static void 485 dump_zpldir(objset_t *os, uint64_t object, void *data, size_t size) 486 { 487 zap_cursor_t zc; 488 zap_attribute_t attr; 489 const char *typenames[] = { 490 /* 0 */ "not specified", 491 /* 1 */ "FIFO", 492 /* 2 */ "Character Device", 493 /* 3 */ "3 (invalid)", 494 /* 4 */ "Directory", 495 /* 5 */ "5 (invalid)", 496 /* 6 */ "Block Device", 497 /* 7 */ "7 (invalid)", 498 /* 8 */ "Regular File", 499 /* 9 */ "9 (invalid)", 500 /* 10 */ "Symbolic Link", 501 /* 11 */ "11 (invalid)", 502 /* 12 */ "Socket", 503 /* 13 */ "Door", 504 /* 14 */ "Event Port", 505 /* 15 */ "15 (invalid)", 506 }; 507 508 dump_zap_stats(os, object); 509 (void) printf("\n"); 510 511 for (zap_cursor_init(&zc, os, object); 512 zap_cursor_retrieve(&zc, &attr) == 0; 513 zap_cursor_advance(&zc)) { 514 (void) printf("\t\t%s = %lld (type: %s)\n", 515 attr.za_name, ZFS_DIRENT_OBJ(attr.za_first_integer), 516 typenames[ZFS_DIRENT_TYPE(attr.za_first_integer)]); 517 } 518 zap_cursor_fini(&zc); 519 } 520 521 static void 522 dump_spacemap(objset_t *os, space_map_obj_t *smo, space_map_t *sm) 523 { 524 uint64_t alloc, offset, entry; 525 uint8_t mapshift = sm->sm_shift; 526 uint64_t mapstart = sm->sm_start; 527 char *ddata[] = { "ALLOC", "FREE", "CONDENSE", "INVALID", 528 "INVALID", "INVALID", "INVALID", "INVALID" }; 529 530 if (smo->smo_object == 0) 531 return; 532 533 /* 534 * Print out the freelist entries in both encoded and decoded form. 535 */ 536 alloc = 0; 537 for (offset = 0; offset < smo->smo_objsize; offset += sizeof (entry)) { 538 VERIFY3U(0, ==, dmu_read(os, smo->smo_object, offset, 539 sizeof (entry), &entry, DMU_READ_PREFETCH)); 540 if (SM_DEBUG_DECODE(entry)) { 541 (void) printf("\t [%6llu] %s: txg %llu, pass %llu\n", 542 (u_longlong_t)(offset / sizeof (entry)), 543 ddata[SM_DEBUG_ACTION_DECODE(entry)], 544 (u_longlong_t)SM_DEBUG_TXG_DECODE(entry), 545 (u_longlong_t)SM_DEBUG_SYNCPASS_DECODE(entry)); 546 } else { 547 (void) printf("\t [%6llu] %c range:" 548 " %010llx-%010llx size: %06llx\n", 549 (u_longlong_t)(offset / sizeof (entry)), 550 SM_TYPE_DECODE(entry) == SM_ALLOC ? 'A' : 'F', 551 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 552 mapshift) + mapstart), 553 (u_longlong_t)((SM_OFFSET_DECODE(entry) << 554 mapshift) + mapstart + (SM_RUN_DECODE(entry) << 555 mapshift)), 556 (u_longlong_t)(SM_RUN_DECODE(entry) << mapshift)); 557 if (SM_TYPE_DECODE(entry) == SM_ALLOC) 558 alloc += SM_RUN_DECODE(entry) << mapshift; 559 else 560 alloc -= SM_RUN_DECODE(entry) << mapshift; 561 } 562 } 563 if (alloc != smo->smo_alloc) { 564 (void) printf("space_map_object alloc (%llu) INCONSISTENT " 565 "with space map summary (%llu)\n", 566 (u_longlong_t)smo->smo_alloc, (u_longlong_t)alloc); 567 } 568 } 569 570 static void 571 dump_metaslab_stats(metaslab_t *msp) 572 { 573 char maxbuf[32]; 574 space_map_t *sm = &msp->ms_map; 575 avl_tree_t *t = sm->sm_pp_root; 576 int free_pct = sm->sm_space * 100 / sm->sm_size; 577 578 zdb_nicenum(space_map_maxsize(sm), maxbuf); 579 580 (void) printf("\t %25s %10lu %7s %6s %4s %4d%%\n", 581 "segments", avl_numnodes(t), "maxsize", maxbuf, 582 "freepct", free_pct); 583 } 584 585 static void 586 dump_metaslab(metaslab_t *msp) 587 { 588 vdev_t *vd = msp->ms_group->mg_vd; 589 spa_t *spa = vd->vdev_spa; 590 space_map_t *sm = &msp->ms_map; 591 space_map_obj_t *smo = &msp->ms_smo; 592 char freebuf[32]; 593 594 zdb_nicenum(sm->sm_size - smo->smo_alloc, freebuf); 595 596 (void) printf( 597 "\tmetaslab %6llu offset %12llx spacemap %6llu free %5s\n", 598 (u_longlong_t)(sm->sm_start / sm->sm_size), 599 (u_longlong_t)sm->sm_start, (u_longlong_t)smo->smo_object, freebuf); 600 601 if (dump_opt['m'] > 1 && !dump_opt['L']) { 602 mutex_enter(&msp->ms_lock); 603 space_map_load_wait(sm); 604 if (!sm->sm_loaded) 605 VERIFY(space_map_load(sm, zfs_metaslab_ops, 606 SM_FREE, smo, spa->spa_meta_objset) == 0); 607 dump_metaslab_stats(msp); 608 space_map_unload(sm); 609 mutex_exit(&msp->ms_lock); 610 } 611 612 if (dump_opt['d'] > 5 || dump_opt['m'] > 2) { 613 ASSERT(sm->sm_size == (1ULL << vd->vdev_ms_shift)); 614 615 mutex_enter(&msp->ms_lock); 616 dump_spacemap(spa->spa_meta_objset, smo, sm); 617 mutex_exit(&msp->ms_lock); 618 } 619 } 620 621 static void 622 print_vdev_metaslab_header(vdev_t *vd) 623 { 624 (void) printf("\tvdev %10llu\n\t%-10s%5llu %-19s %-15s %-10s\n", 625 (u_longlong_t)vd->vdev_id, 626 "metaslabs", (u_longlong_t)vd->vdev_ms_count, 627 "offset", "spacemap", "free"); 628 (void) printf("\t%15s %19s %15s %10s\n", 629 "---------------", "-------------------", 630 "---------------", "-------------"); 631 } 632 633 static void 634 dump_metaslabs(spa_t *spa) 635 { 636 vdev_t *vd, *rvd = spa->spa_root_vdev; 637 uint64_t m, c = 0, children = rvd->vdev_children; 638 639 (void) printf("\nMetaslabs:\n"); 640 641 if (!dump_opt['d'] && zopt_objects > 0) { 642 c = zopt_object[0]; 643 644 if (c >= children) 645 (void) fatal("bad vdev id: %llu", (u_longlong_t)c); 646 647 if (zopt_objects > 1) { 648 vd = rvd->vdev_child[c]; 649 print_vdev_metaslab_header(vd); 650 651 for (m = 1; m < zopt_objects; m++) { 652 if (zopt_object[m] < vd->vdev_ms_count) 653 dump_metaslab( 654 vd->vdev_ms[zopt_object[m]]); 655 else 656 (void) fprintf(stderr, "bad metaslab " 657 "number %llu\n", 658 (u_longlong_t)zopt_object[m]); 659 } 660 (void) printf("\n"); 661 return; 662 } 663 children = c + 1; 664 } 665 for (; c < children; c++) { 666 vd = rvd->vdev_child[c]; 667 print_vdev_metaslab_header(vd); 668 669 for (m = 0; m < vd->vdev_ms_count; m++) 670 dump_metaslab(vd->vdev_ms[m]); 671 (void) printf("\n"); 672 } 673 } 674 675 static void 676 dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index) 677 { 678 const ddt_phys_t *ddp = dde->dde_phys; 679 const ddt_key_t *ddk = &dde->dde_key; 680 char *types[4] = { "ditto", "single", "double", "triple" }; 681 char blkbuf[BP_SPRINTF_LEN]; 682 blkptr_t blk; 683 684 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 685 if (ddp->ddp_phys_birth == 0) 686 continue; 687 ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk); 688 sprintf_blkptr(blkbuf, &blk); 689 (void) printf("index %llx refcnt %llu %s %s\n", 690 (u_longlong_t)index, (u_longlong_t)ddp->ddp_refcnt, 691 types[p], blkbuf); 692 } 693 } 694 695 static void 696 dump_dedup_ratio(const ddt_stat_t *dds) 697 { 698 double rL, rP, rD, D, dedup, compress, copies; 699 700 if (dds->dds_blocks == 0) 701 return; 702 703 rL = (double)dds->dds_ref_lsize; 704 rP = (double)dds->dds_ref_psize; 705 rD = (double)dds->dds_ref_dsize; 706 D = (double)dds->dds_dsize; 707 708 dedup = rD / D; 709 compress = rL / rP; 710 copies = rD / rP; 711 712 (void) printf("dedup = %.2f, compress = %.2f, copies = %.2f, " 713 "dedup * compress / copies = %.2f\n\n", 714 dedup, compress, copies, dedup * compress / copies); 715 } 716 717 static void 718 dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class) 719 { 720 char name[DDT_NAMELEN]; 721 ddt_entry_t dde; 722 uint64_t walk = 0; 723 dmu_object_info_t doi; 724 uint64_t count, dspace, mspace; 725 int error; 726 727 error = ddt_object_info(ddt, type, class, &doi); 728 729 if (error == ENOENT) 730 return; 731 ASSERT(error == 0); 732 733 if ((count = ddt_object_count(ddt, type, class)) == 0) 734 return; 735 736 dspace = doi.doi_physical_blocks_512 << 9; 737 mspace = doi.doi_fill_count * doi.doi_data_block_size; 738 739 ddt_object_name(ddt, type, class, name); 740 741 (void) printf("%s: %llu entries, size %llu on disk, %llu in core\n", 742 name, 743 (u_longlong_t)count, 744 (u_longlong_t)(dspace / count), 745 (u_longlong_t)(mspace / count)); 746 747 if (dump_opt['D'] < 3) 748 return; 749 750 zpool_dump_ddt(NULL, &ddt->ddt_histogram[type][class]); 751 752 if (dump_opt['D'] < 4) 753 return; 754 755 if (dump_opt['D'] < 5 && class == DDT_CLASS_UNIQUE) 756 return; 757 758 (void) printf("%s contents:\n\n", name); 759 760 while ((error = ddt_object_walk(ddt, type, class, &walk, &dde)) == 0) 761 dump_dde(ddt, &dde, walk); 762 763 ASSERT(error == ENOENT); 764 765 (void) printf("\n"); 766 } 767 768 static void 769 dump_all_ddts(spa_t *spa) 770 { 771 ddt_histogram_t ddh_total = { 0 }; 772 ddt_stat_t dds_total = { 0 }; 773 774 for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) { 775 ddt_t *ddt = spa->spa_ddt[c]; 776 for (enum ddt_type type = 0; type < DDT_TYPES; type++) { 777 for (enum ddt_class class = 0; class < DDT_CLASSES; 778 class++) { 779 dump_ddt(ddt, type, class); 780 } 781 } 782 } 783 784 ddt_get_dedup_stats(spa, &dds_total); 785 786 if (dds_total.dds_blocks == 0) { 787 (void) printf("All DDTs are empty\n"); 788 return; 789 } 790 791 (void) printf("\n"); 792 793 if (dump_opt['D'] > 1) { 794 (void) printf("DDT histogram (aggregated over all DDTs):\n"); 795 ddt_get_dedup_histogram(spa, &ddh_total); 796 zpool_dump_ddt(&dds_total, &ddh_total); 797 } 798 799 dump_dedup_ratio(&dds_total); 800 } 801 802 static void 803 dump_dtl_seg(space_map_t *sm, uint64_t start, uint64_t size) 804 { 805 char *prefix = (void *)sm; 806 807 (void) printf("%s [%llu,%llu) length %llu\n", 808 prefix, 809 (u_longlong_t)start, 810 (u_longlong_t)(start + size), 811 (u_longlong_t)(size)); 812 } 813 814 static void 815 dump_dtl(vdev_t *vd, int indent) 816 { 817 spa_t *spa = vd->vdev_spa; 818 boolean_t required; 819 char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" }; 820 char prefix[256]; 821 822 spa_vdev_state_enter(spa, SCL_NONE); 823 required = vdev_dtl_required(vd); 824 (void) spa_vdev_state_exit(spa, NULL, 0); 825 826 if (indent == 0) 827 (void) printf("\nDirty time logs:\n\n"); 828 829 (void) printf("\t%*s%s [%s]\n", indent, "", 830 vd->vdev_path ? vd->vdev_path : 831 vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa), 832 required ? "DTL-required" : "DTL-expendable"); 833 834 for (int t = 0; t < DTL_TYPES; t++) { 835 space_map_t *sm = &vd->vdev_dtl[t]; 836 if (sm->sm_space == 0) 837 continue; 838 (void) snprintf(prefix, sizeof (prefix), "\t%*s%s", 839 indent + 2, "", name[t]); 840 mutex_enter(sm->sm_lock); 841 space_map_walk(sm, dump_dtl_seg, (void *)prefix); 842 mutex_exit(sm->sm_lock); 843 if (dump_opt['d'] > 5 && vd->vdev_children == 0) 844 dump_spacemap(spa->spa_meta_objset, 845 &vd->vdev_dtl_smo, sm); 846 } 847 848 for (int c = 0; c < vd->vdev_children; c++) 849 dump_dtl(vd->vdev_child[c], indent + 4); 850 } 851 852 static void 853 dump_history(spa_t *spa) 854 { 855 nvlist_t **events = NULL; 856 char buf[SPA_MAXBLOCKSIZE]; 857 uint64_t resid, len, off = 0; 858 uint_t num = 0; 859 int error; 860 time_t tsec; 861 struct tm t; 862 char tbuf[30]; 863 char internalstr[MAXPATHLEN]; 864 865 do { 866 len = sizeof (buf); 867 868 if ((error = spa_history_get(spa, &off, &len, buf)) != 0) { 869 (void) fprintf(stderr, "Unable to read history: " 870 "error %d\n", error); 871 return; 872 } 873 874 if (zpool_history_unpack(buf, len, &resid, &events, &num) != 0) 875 break; 876 877 off -= resid; 878 } while (len != 0); 879 880 (void) printf("\nHistory:\n"); 881 for (int i = 0; i < num; i++) { 882 uint64_t time, txg, ievent; 883 char *cmd, *intstr; 884 boolean_t printed = B_FALSE; 885 886 if (nvlist_lookup_uint64(events[i], ZPOOL_HIST_TIME, 887 &time) != 0) 888 goto next; 889 if (nvlist_lookup_string(events[i], ZPOOL_HIST_CMD, 890 &cmd) != 0) { 891 if (nvlist_lookup_uint64(events[i], 892 ZPOOL_HIST_INT_EVENT, &ievent) != 0) 893 goto next; 894 verify(nvlist_lookup_uint64(events[i], 895 ZPOOL_HIST_TXG, &txg) == 0); 896 verify(nvlist_lookup_string(events[i], 897 ZPOOL_HIST_INT_STR, &intstr) == 0); 898 if (ievent >= ZFS_NUM_LEGACY_HISTORY_EVENTS) 899 goto next; 900 901 (void) snprintf(internalstr, 902 sizeof (internalstr), 903 "[internal %s txg:%lld] %s", 904 zfs_history_event_names[ievent], txg, 905 intstr); 906 cmd = internalstr; 907 } 908 tsec = time; 909 (void) localtime_r(&tsec, &t); 910 (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t); 911 (void) printf("%s %s\n", tbuf, cmd); 912 printed = B_TRUE; 913 914 next: 915 if (dump_opt['h'] > 1) { 916 if (!printed) 917 (void) printf("unrecognized record:\n"); 918 dump_nvlist(events[i], 2); 919 } 920 } 921 } 922 923 /*ARGSUSED*/ 924 static void 925 dump_dnode(objset_t *os, uint64_t object, void *data, size_t size) 926 { 927 } 928 929 static uint64_t 930 blkid2offset(const dnode_phys_t *dnp, const blkptr_t *bp, const zbookmark_t *zb) 931 { 932 if (dnp == NULL) { 933 ASSERT(zb->zb_level < 0); 934 if (zb->zb_object == 0) 935 return (zb->zb_blkid); 936 return (zb->zb_blkid * BP_GET_LSIZE(bp)); 937 } 938 939 ASSERT(zb->zb_level >= 0); 940 941 return ((zb->zb_blkid << 942 (zb->zb_level * (dnp->dn_indblkshift - SPA_BLKPTRSHIFT))) * 943 dnp->dn_datablkszsec << SPA_MINBLOCKSHIFT); 944 } 945 946 static void 947 sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp) 948 { 949 const dva_t *dva = bp->blk_dva; 950 int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1; 951 952 if (dump_opt['b'] >= 5) { 953 sprintf_blkptr(blkbuf, bp); 954 return; 955 } 956 957 blkbuf[0] = '\0'; 958 959 for (int i = 0; i < ndvas; i++) 960 (void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ", 961 (u_longlong_t)DVA_GET_VDEV(&dva[i]), 962 (u_longlong_t)DVA_GET_OFFSET(&dva[i]), 963 (u_longlong_t)DVA_GET_ASIZE(&dva[i])); 964 965 (void) sprintf(blkbuf + strlen(blkbuf), 966 "%llxL/%llxP F=%llu B=%llu/%llu", 967 (u_longlong_t)BP_GET_LSIZE(bp), 968 (u_longlong_t)BP_GET_PSIZE(bp), 969 (u_longlong_t)bp->blk_fill, 970 (u_longlong_t)bp->blk_birth, 971 (u_longlong_t)BP_PHYSICAL_BIRTH(bp)); 972 } 973 974 static void 975 print_indirect(blkptr_t *bp, const zbookmark_t *zb, 976 const dnode_phys_t *dnp) 977 { 978 char blkbuf[BP_SPRINTF_LEN]; 979 int l; 980 981 ASSERT3U(BP_GET_TYPE(bp), ==, dnp->dn_type); 982 ASSERT3U(BP_GET_LEVEL(bp), ==, zb->zb_level); 983 984 (void) printf("%16llx ", (u_longlong_t)blkid2offset(dnp, bp, zb)); 985 986 ASSERT(zb->zb_level >= 0); 987 988 for (l = dnp->dn_nlevels - 1; l >= -1; l--) { 989 if (l == zb->zb_level) { 990 (void) printf("L%llx", (u_longlong_t)zb->zb_level); 991 } else { 992 (void) printf(" "); 993 } 994 } 995 996 sprintf_blkptr_compact(blkbuf, bp); 997 (void) printf("%s\n", blkbuf); 998 } 999 1000 static int 1001 visit_indirect(spa_t *spa, const dnode_phys_t *dnp, 1002 blkptr_t *bp, const zbookmark_t *zb) 1003 { 1004 int err = 0; 1005 1006 if (bp->blk_birth == 0) 1007 return (0); 1008 1009 print_indirect(bp, zb, dnp); 1010 1011 if (BP_GET_LEVEL(bp) > 0) { 1012 uint32_t flags = ARC_WAIT; 1013 int i; 1014 blkptr_t *cbp; 1015 int epb = BP_GET_LSIZE(bp) >> SPA_BLKPTRSHIFT; 1016 arc_buf_t *buf; 1017 uint64_t fill = 0; 1018 1019 err = arc_read_nolock(NULL, spa, bp, arc_getbuf_func, &buf, 1020 ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL, &flags, zb); 1021 if (err) 1022 return (err); 1023 ASSERT(buf->b_data); 1024 1025 /* recursively visit blocks below this */ 1026 cbp = buf->b_data; 1027 for (i = 0; i < epb; i++, cbp++) { 1028 zbookmark_t czb; 1029 1030 SET_BOOKMARK(&czb, zb->zb_objset, zb->zb_object, 1031 zb->zb_level - 1, 1032 zb->zb_blkid * epb + i); 1033 err = visit_indirect(spa, dnp, cbp, &czb); 1034 if (err) 1035 break; 1036 fill += cbp->blk_fill; 1037 } 1038 if (!err) 1039 ASSERT3U(fill, ==, bp->blk_fill); 1040 (void) arc_buf_remove_ref(buf, &buf); 1041 } 1042 1043 return (err); 1044 } 1045 1046 /*ARGSUSED*/ 1047 static void 1048 dump_indirect(dnode_t *dn) 1049 { 1050 dnode_phys_t *dnp = dn->dn_phys; 1051 int j; 1052 zbookmark_t czb; 1053 1054 (void) printf("Indirect blocks:\n"); 1055 1056 SET_BOOKMARK(&czb, dmu_objset_id(dn->dn_objset), 1057 dn->dn_object, dnp->dn_nlevels - 1, 0); 1058 for (j = 0; j < dnp->dn_nblkptr; j++) { 1059 czb.zb_blkid = j; 1060 (void) visit_indirect(dmu_objset_spa(dn->dn_objset), dnp, 1061 &dnp->dn_blkptr[j], &czb); 1062 } 1063 1064 (void) printf("\n"); 1065 } 1066 1067 /*ARGSUSED*/ 1068 static void 1069 dump_dsl_dir(objset_t *os, uint64_t object, void *data, size_t size) 1070 { 1071 dsl_dir_phys_t *dd = data; 1072 time_t crtime; 1073 char nice[32]; 1074 1075 if (dd == NULL) 1076 return; 1077 1078 ASSERT3U(size, >=, sizeof (dsl_dir_phys_t)); 1079 1080 crtime = dd->dd_creation_time; 1081 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1082 (void) printf("\t\thead_dataset_obj = %llu\n", 1083 (u_longlong_t)dd->dd_head_dataset_obj); 1084 (void) printf("\t\tparent_dir_obj = %llu\n", 1085 (u_longlong_t)dd->dd_parent_obj); 1086 (void) printf("\t\torigin_obj = %llu\n", 1087 (u_longlong_t)dd->dd_origin_obj); 1088 (void) printf("\t\tchild_dir_zapobj = %llu\n", 1089 (u_longlong_t)dd->dd_child_dir_zapobj); 1090 zdb_nicenum(dd->dd_used_bytes, nice); 1091 (void) printf("\t\tused_bytes = %s\n", nice); 1092 zdb_nicenum(dd->dd_compressed_bytes, nice); 1093 (void) printf("\t\tcompressed_bytes = %s\n", nice); 1094 zdb_nicenum(dd->dd_uncompressed_bytes, nice); 1095 (void) printf("\t\tuncompressed_bytes = %s\n", nice); 1096 zdb_nicenum(dd->dd_quota, nice); 1097 (void) printf("\t\tquota = %s\n", nice); 1098 zdb_nicenum(dd->dd_reserved, nice); 1099 (void) printf("\t\treserved = %s\n", nice); 1100 (void) printf("\t\tprops_zapobj = %llu\n", 1101 (u_longlong_t)dd->dd_props_zapobj); 1102 (void) printf("\t\tdeleg_zapobj = %llu\n", 1103 (u_longlong_t)dd->dd_deleg_zapobj); 1104 (void) printf("\t\tflags = %llx\n", 1105 (u_longlong_t)dd->dd_flags); 1106 1107 #define DO(which) \ 1108 zdb_nicenum(dd->dd_used_breakdown[DD_USED_ ## which], nice); \ 1109 (void) printf("\t\tused_breakdown[" #which "] = %s\n", nice) 1110 DO(HEAD); 1111 DO(SNAP); 1112 DO(CHILD); 1113 DO(CHILD_RSRV); 1114 DO(REFRSRV); 1115 #undef DO 1116 } 1117 1118 /*ARGSUSED*/ 1119 static void 1120 dump_dsl_dataset(objset_t *os, uint64_t object, void *data, size_t size) 1121 { 1122 dsl_dataset_phys_t *ds = data; 1123 time_t crtime; 1124 char used[32], compressed[32], uncompressed[32], unique[32]; 1125 char blkbuf[BP_SPRINTF_LEN]; 1126 1127 if (ds == NULL) 1128 return; 1129 1130 ASSERT(size == sizeof (*ds)); 1131 crtime = ds->ds_creation_time; 1132 zdb_nicenum(ds->ds_referenced_bytes, used); 1133 zdb_nicenum(ds->ds_compressed_bytes, compressed); 1134 zdb_nicenum(ds->ds_uncompressed_bytes, uncompressed); 1135 zdb_nicenum(ds->ds_unique_bytes, unique); 1136 sprintf_blkptr(blkbuf, &ds->ds_bp); 1137 1138 (void) printf("\t\tdir_obj = %llu\n", 1139 (u_longlong_t)ds->ds_dir_obj); 1140 (void) printf("\t\tprev_snap_obj = %llu\n", 1141 (u_longlong_t)ds->ds_prev_snap_obj); 1142 (void) printf("\t\tprev_snap_txg = %llu\n", 1143 (u_longlong_t)ds->ds_prev_snap_txg); 1144 (void) printf("\t\tnext_snap_obj = %llu\n", 1145 (u_longlong_t)ds->ds_next_snap_obj); 1146 (void) printf("\t\tsnapnames_zapobj = %llu\n", 1147 (u_longlong_t)ds->ds_snapnames_zapobj); 1148 (void) printf("\t\tnum_children = %llu\n", 1149 (u_longlong_t)ds->ds_num_children); 1150 (void) printf("\t\tuserrefs_obj = %llu\n", 1151 (u_longlong_t)ds->ds_userrefs_obj); 1152 (void) printf("\t\tcreation_time = %s", ctime(&crtime)); 1153 (void) printf("\t\tcreation_txg = %llu\n", 1154 (u_longlong_t)ds->ds_creation_txg); 1155 (void) printf("\t\tdeadlist_obj = %llu\n", 1156 (u_longlong_t)ds->ds_deadlist_obj); 1157 (void) printf("\t\tused_bytes = %s\n", used); 1158 (void) printf("\t\tcompressed_bytes = %s\n", compressed); 1159 (void) printf("\t\tuncompressed_bytes = %s\n", uncompressed); 1160 (void) printf("\t\tunique = %s\n", unique); 1161 (void) printf("\t\tfsid_guid = %llu\n", 1162 (u_longlong_t)ds->ds_fsid_guid); 1163 (void) printf("\t\tguid = %llu\n", 1164 (u_longlong_t)ds->ds_guid); 1165 (void) printf("\t\tflags = %llx\n", 1166 (u_longlong_t)ds->ds_flags); 1167 (void) printf("\t\tnext_clones_obj = %llu\n", 1168 (u_longlong_t)ds->ds_next_clones_obj); 1169 (void) printf("\t\tprops_obj = %llu\n", 1170 (u_longlong_t)ds->ds_props_obj); 1171 (void) printf("\t\tbp = %s\n", blkbuf); 1172 } 1173 1174 /* ARGSUSED */ 1175 static int 1176 dump_bptree_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1177 { 1178 char blkbuf[BP_SPRINTF_LEN]; 1179 1180 if (bp->blk_birth != 0) { 1181 sprintf_blkptr(blkbuf, bp); 1182 (void) printf("\t%s\n", blkbuf); 1183 } 1184 return (0); 1185 } 1186 1187 static void 1188 dump_bptree(objset_t *os, uint64_t obj, char *name) 1189 { 1190 char bytes[32]; 1191 bptree_phys_t *bt; 1192 dmu_buf_t *db; 1193 1194 if (dump_opt['d'] < 3) 1195 return; 1196 1197 VERIFY3U(0, ==, dmu_bonus_hold(os, obj, FTAG, &db)); 1198 bt = db->db_data; 1199 zdb_nicenum(bt->bt_bytes, bytes); 1200 (void) printf("\n %s: %llu datasets, %s\n", 1201 name, (unsigned long long)(bt->bt_end - bt->bt_begin), bytes); 1202 dmu_buf_rele(db, FTAG); 1203 1204 if (dump_opt['d'] < 5) 1205 return; 1206 1207 (void) printf("\n"); 1208 1209 (void) bptree_iterate(os, obj, B_FALSE, dump_bptree_cb, NULL, NULL); 1210 } 1211 1212 /* ARGSUSED */ 1213 static int 1214 dump_bpobj_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 1215 { 1216 char blkbuf[BP_SPRINTF_LEN]; 1217 1218 ASSERT(bp->blk_birth != 0); 1219 sprintf_blkptr_compact(blkbuf, bp); 1220 (void) printf("\t%s\n", blkbuf); 1221 return (0); 1222 } 1223 1224 static void 1225 dump_bpobj(bpobj_t *bpo, char *name) 1226 { 1227 char bytes[32]; 1228 char comp[32]; 1229 char uncomp[32]; 1230 1231 if (dump_opt['d'] < 3) 1232 return; 1233 1234 zdb_nicenum(bpo->bpo_phys->bpo_bytes, bytes); 1235 if (bpo->bpo_havesubobj) { 1236 zdb_nicenum(bpo->bpo_phys->bpo_comp, comp); 1237 zdb_nicenum(bpo->bpo_phys->bpo_uncomp, uncomp); 1238 (void) printf("\n %s: %llu local blkptrs, %llu subobjs, " 1239 "%s (%s/%s comp)\n", 1240 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, 1241 (u_longlong_t)bpo->bpo_phys->bpo_num_subobjs, 1242 bytes, comp, uncomp); 1243 } else { 1244 (void) printf("\n %s: %llu blkptrs, %s\n", 1245 name, (u_longlong_t)bpo->bpo_phys->bpo_num_blkptrs, bytes); 1246 } 1247 1248 if (dump_opt['d'] < 5) 1249 return; 1250 1251 (void) printf("\n"); 1252 1253 (void) bpobj_iterate_nofree(bpo, dump_bpobj_cb, NULL, NULL); 1254 } 1255 1256 static void 1257 dump_deadlist(dsl_deadlist_t *dl) 1258 { 1259 dsl_deadlist_entry_t *dle; 1260 char bytes[32]; 1261 char comp[32]; 1262 char uncomp[32]; 1263 1264 if (dump_opt['d'] < 3) 1265 return; 1266 1267 zdb_nicenum(dl->dl_phys->dl_used, bytes); 1268 zdb_nicenum(dl->dl_phys->dl_comp, comp); 1269 zdb_nicenum(dl->dl_phys->dl_uncomp, uncomp); 1270 (void) printf("\n Deadlist: %s (%s/%s comp)\n", 1271 bytes, comp, uncomp); 1272 1273 if (dump_opt['d'] < 4) 1274 return; 1275 1276 (void) printf("\n"); 1277 1278 for (dle = avl_first(&dl->dl_tree); dle; 1279 dle = AVL_NEXT(&dl->dl_tree, dle)) { 1280 (void) printf(" mintxg %llu -> obj %llu\n", 1281 (longlong_t)dle->dle_mintxg, 1282 (longlong_t)dle->dle_bpobj.bpo_object); 1283 1284 if (dump_opt['d'] >= 5) 1285 dump_bpobj(&dle->dle_bpobj, ""); 1286 } 1287 } 1288 1289 static avl_tree_t idx_tree; 1290 static avl_tree_t domain_tree; 1291 static boolean_t fuid_table_loaded; 1292 static boolean_t sa_loaded; 1293 sa_attr_type_t *sa_attr_table; 1294 1295 static void 1296 fuid_table_destroy() 1297 { 1298 if (fuid_table_loaded) { 1299 zfs_fuid_table_destroy(&idx_tree, &domain_tree); 1300 fuid_table_loaded = B_FALSE; 1301 } 1302 } 1303 1304 /* 1305 * print uid or gid information. 1306 * For normal POSIX id just the id is printed in decimal format. 1307 * For CIFS files with FUID the fuid is printed in hex followed by 1308 * the doman-rid string. 1309 */ 1310 static void 1311 print_idstr(uint64_t id, const char *id_type) 1312 { 1313 if (FUID_INDEX(id)) { 1314 char *domain; 1315 1316 domain = zfs_fuid_idx_domain(&idx_tree, FUID_INDEX(id)); 1317 (void) printf("\t%s %llx [%s-%d]\n", id_type, 1318 (u_longlong_t)id, domain, (int)FUID_RID(id)); 1319 } else { 1320 (void) printf("\t%s %llu\n", id_type, (u_longlong_t)id); 1321 } 1322 1323 } 1324 1325 static void 1326 dump_uidgid(objset_t *os, uint64_t uid, uint64_t gid) 1327 { 1328 uint32_t uid_idx, gid_idx; 1329 1330 uid_idx = FUID_INDEX(uid); 1331 gid_idx = FUID_INDEX(gid); 1332 1333 /* Load domain table, if not already loaded */ 1334 if (!fuid_table_loaded && (uid_idx || gid_idx)) { 1335 uint64_t fuid_obj; 1336 1337 /* first find the fuid object. It lives in the master node */ 1338 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 1339 8, 1, &fuid_obj) == 0); 1340 zfs_fuid_avl_tree_create(&idx_tree, &domain_tree); 1341 (void) zfs_fuid_table_load(os, fuid_obj, 1342 &idx_tree, &domain_tree); 1343 fuid_table_loaded = B_TRUE; 1344 } 1345 1346 print_idstr(uid, "uid"); 1347 print_idstr(gid, "gid"); 1348 } 1349 1350 /*ARGSUSED*/ 1351 static void 1352 dump_znode(objset_t *os, uint64_t object, void *data, size_t size) 1353 { 1354 char path[MAXPATHLEN * 2]; /* allow for xattr and failure prefix */ 1355 sa_handle_t *hdl; 1356 uint64_t xattr, rdev, gen; 1357 uint64_t uid, gid, mode, fsize, parent, links; 1358 uint64_t pflags; 1359 uint64_t acctm[2], modtm[2], chgtm[2], crtm[2]; 1360 time_t z_crtime, z_atime, z_mtime, z_ctime; 1361 sa_bulk_attr_t bulk[12]; 1362 int idx = 0; 1363 int error; 1364 1365 if (!sa_loaded) { 1366 uint64_t sa_attrs = 0; 1367 uint64_t version; 1368 1369 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZPL_VERSION_STR, 1370 8, 1, &version) == 0); 1371 if (version >= ZPL_VERSION_SA) { 1372 VERIFY(zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 1373 8, 1, &sa_attrs) == 0); 1374 } 1375 if ((error = sa_setup(os, sa_attrs, zfs_attr_table, 1376 ZPL_END, &sa_attr_table)) != 0) { 1377 (void) printf("sa_setup failed errno %d, can't " 1378 "display znode contents\n", error); 1379 return; 1380 } 1381 sa_loaded = B_TRUE; 1382 } 1383 1384 if (sa_handle_get(os, object, NULL, SA_HDL_PRIVATE, &hdl)) { 1385 (void) printf("Failed to get handle for SA znode\n"); 1386 return; 1387 } 1388 1389 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_UID], NULL, &uid, 8); 1390 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GID], NULL, &gid, 8); 1391 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_LINKS], NULL, 1392 &links, 8); 1393 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_GEN], NULL, &gen, 8); 1394 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MODE], NULL, 1395 &mode, 8); 1396 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_PARENT], 1397 NULL, &parent, 8); 1398 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_SIZE], NULL, 1399 &fsize, 8); 1400 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_ATIME], NULL, 1401 acctm, 16); 1402 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_MTIME], NULL, 1403 modtm, 16); 1404 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CRTIME], NULL, 1405 crtm, 16); 1406 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_CTIME], NULL, 1407 chgtm, 16); 1408 SA_ADD_BULK_ATTR(bulk, idx, sa_attr_table[ZPL_FLAGS], NULL, 1409 &pflags, 8); 1410 1411 if (sa_bulk_lookup(hdl, bulk, idx)) { 1412 (void) sa_handle_destroy(hdl); 1413 return; 1414 } 1415 1416 error = zfs_obj_to_path(os, object, path, sizeof (path)); 1417 if (error != 0) { 1418 (void) snprintf(path, sizeof (path), "\?\?\?<object#%llu>", 1419 (u_longlong_t)object); 1420 } 1421 if (dump_opt['d'] < 3) { 1422 (void) printf("\t%s\n", path); 1423 (void) sa_handle_destroy(hdl); 1424 return; 1425 } 1426 1427 z_crtime = (time_t)crtm[0]; 1428 z_atime = (time_t)acctm[0]; 1429 z_mtime = (time_t)modtm[0]; 1430 z_ctime = (time_t)chgtm[0]; 1431 1432 (void) printf("\tpath %s\n", path); 1433 dump_uidgid(os, uid, gid); 1434 (void) printf("\tatime %s", ctime(&z_atime)); 1435 (void) printf("\tmtime %s", ctime(&z_mtime)); 1436 (void) printf("\tctime %s", ctime(&z_ctime)); 1437 (void) printf("\tcrtime %s", ctime(&z_crtime)); 1438 (void) printf("\tgen %llu\n", (u_longlong_t)gen); 1439 (void) printf("\tmode %llo\n", (u_longlong_t)mode); 1440 (void) printf("\tsize %llu\n", (u_longlong_t)fsize); 1441 (void) printf("\tparent %llu\n", (u_longlong_t)parent); 1442 (void) printf("\tlinks %llu\n", (u_longlong_t)links); 1443 (void) printf("\tpflags %llx\n", (u_longlong_t)pflags); 1444 if (sa_lookup(hdl, sa_attr_table[ZPL_XATTR], &xattr, 1445 sizeof (uint64_t)) == 0) 1446 (void) printf("\txattr %llu\n", (u_longlong_t)xattr); 1447 if (sa_lookup(hdl, sa_attr_table[ZPL_RDEV], &rdev, 1448 sizeof (uint64_t)) == 0) 1449 (void) printf("\trdev 0x%016llx\n", (u_longlong_t)rdev); 1450 sa_handle_destroy(hdl); 1451 } 1452 1453 /*ARGSUSED*/ 1454 static void 1455 dump_acl(objset_t *os, uint64_t object, void *data, size_t size) 1456 { 1457 } 1458 1459 /*ARGSUSED*/ 1460 static void 1461 dump_dmu_objset(objset_t *os, uint64_t object, void *data, size_t size) 1462 { 1463 } 1464 1465 static object_viewer_t *object_viewer[DMU_OT_NUMTYPES + 1] = { 1466 dump_none, /* unallocated */ 1467 dump_zap, /* object directory */ 1468 dump_uint64, /* object array */ 1469 dump_none, /* packed nvlist */ 1470 dump_packed_nvlist, /* packed nvlist size */ 1471 dump_none, /* bplist */ 1472 dump_none, /* bplist header */ 1473 dump_none, /* SPA space map header */ 1474 dump_none, /* SPA space map */ 1475 dump_none, /* ZIL intent log */ 1476 dump_dnode, /* DMU dnode */ 1477 dump_dmu_objset, /* DMU objset */ 1478 dump_dsl_dir, /* DSL directory */ 1479 dump_zap, /* DSL directory child map */ 1480 dump_zap, /* DSL dataset snap map */ 1481 dump_zap, /* DSL props */ 1482 dump_dsl_dataset, /* DSL dataset */ 1483 dump_znode, /* ZFS znode */ 1484 dump_acl, /* ZFS V0 ACL */ 1485 dump_uint8, /* ZFS plain file */ 1486 dump_zpldir, /* ZFS directory */ 1487 dump_zap, /* ZFS master node */ 1488 dump_zap, /* ZFS delete queue */ 1489 dump_uint8, /* zvol object */ 1490 dump_zap, /* zvol prop */ 1491 dump_uint8, /* other uint8[] */ 1492 dump_uint64, /* other uint64[] */ 1493 dump_zap, /* other ZAP */ 1494 dump_zap, /* persistent error log */ 1495 dump_uint8, /* SPA history */ 1496 dump_history_offsets, /* SPA history offsets */ 1497 dump_zap, /* Pool properties */ 1498 dump_zap, /* DSL permissions */ 1499 dump_acl, /* ZFS ACL */ 1500 dump_uint8, /* ZFS SYSACL */ 1501 dump_none, /* FUID nvlist */ 1502 dump_packed_nvlist, /* FUID nvlist size */ 1503 dump_zap, /* DSL dataset next clones */ 1504 dump_zap, /* DSL scrub queue */ 1505 dump_zap, /* ZFS user/group used */ 1506 dump_zap, /* ZFS user/group quota */ 1507 dump_zap, /* snapshot refcount tags */ 1508 dump_ddt_zap, /* DDT ZAP object */ 1509 dump_zap, /* DDT statistics */ 1510 dump_znode, /* SA object */ 1511 dump_zap, /* SA Master Node */ 1512 dump_sa_attrs, /* SA attribute registration */ 1513 dump_sa_layouts, /* SA attribute layouts */ 1514 dump_zap, /* DSL scrub translations */ 1515 dump_none, /* fake dedup BP */ 1516 dump_zap, /* deadlist */ 1517 dump_none, /* deadlist hdr */ 1518 dump_zap, /* dsl clones */ 1519 dump_none, /* bpobj subobjs */ 1520 dump_unknown, /* Unknown type, must be last */ 1521 }; 1522 1523 static void 1524 dump_object(objset_t *os, uint64_t object, int verbosity, int *print_header) 1525 { 1526 dmu_buf_t *db = NULL; 1527 dmu_object_info_t doi; 1528 dnode_t *dn; 1529 void *bonus = NULL; 1530 size_t bsize = 0; 1531 char iblk[32], dblk[32], lsize[32], asize[32], fill[32]; 1532 char bonus_size[32]; 1533 char aux[50]; 1534 int error; 1535 1536 if (*print_header) { 1537 (void) printf("\n%10s %3s %5s %5s %5s %5s %6s %s\n", 1538 "Object", "lvl", "iblk", "dblk", "dsize", "lsize", 1539 "%full", "type"); 1540 *print_header = 0; 1541 } 1542 1543 if (object == 0) { 1544 dn = DMU_META_DNODE(os); 1545 } else { 1546 error = dmu_bonus_hold(os, object, FTAG, &db); 1547 if (error) 1548 fatal("dmu_bonus_hold(%llu) failed, errno %u", 1549 object, error); 1550 bonus = db->db_data; 1551 bsize = db->db_size; 1552 dn = DB_DNODE((dmu_buf_impl_t *)db); 1553 } 1554 dmu_object_info_from_dnode(dn, &doi); 1555 1556 zdb_nicenum(doi.doi_metadata_block_size, iblk); 1557 zdb_nicenum(doi.doi_data_block_size, dblk); 1558 zdb_nicenum(doi.doi_max_offset, lsize); 1559 zdb_nicenum(doi.doi_physical_blocks_512 << 9, asize); 1560 zdb_nicenum(doi.doi_bonus_size, bonus_size); 1561 (void) sprintf(fill, "%6.2f", 100.0 * doi.doi_fill_count * 1562 doi.doi_data_block_size / (object == 0 ? DNODES_PER_BLOCK : 1) / 1563 doi.doi_max_offset); 1564 1565 aux[0] = '\0'; 1566 1567 if (doi.doi_checksum != ZIO_CHECKSUM_INHERIT || verbosity >= 6) { 1568 (void) snprintf(aux + strlen(aux), sizeof (aux), " (K=%s)", 1569 ZDB_CHECKSUM_NAME(doi.doi_checksum)); 1570 } 1571 1572 if (doi.doi_compress != ZIO_COMPRESS_INHERIT || verbosity >= 6) { 1573 (void) snprintf(aux + strlen(aux), sizeof (aux), " (Z=%s)", 1574 ZDB_COMPRESS_NAME(doi.doi_compress)); 1575 } 1576 1577 (void) printf("%10lld %3u %5s %5s %5s %5s %6s %s%s\n", 1578 (u_longlong_t)object, doi.doi_indirection, iblk, dblk, 1579 asize, lsize, fill, ZDB_OT_NAME(doi.doi_type), aux); 1580 1581 if (doi.doi_bonus_type != DMU_OT_NONE && verbosity > 3) { 1582 (void) printf("%10s %3s %5s %5s %5s %5s %6s %s\n", 1583 "", "", "", "", "", bonus_size, "bonus", 1584 ZDB_OT_NAME(doi.doi_bonus_type)); 1585 } 1586 1587 if (verbosity >= 4) { 1588 (void) printf("\tdnode flags: %s%s%s\n", 1589 (dn->dn_phys->dn_flags & DNODE_FLAG_USED_BYTES) ? 1590 "USED_BYTES " : "", 1591 (dn->dn_phys->dn_flags & DNODE_FLAG_USERUSED_ACCOUNTED) ? 1592 "USERUSED_ACCOUNTED " : "", 1593 (dn->dn_phys->dn_flags & DNODE_FLAG_SPILL_BLKPTR) ? 1594 "SPILL_BLKPTR" : ""); 1595 (void) printf("\tdnode maxblkid: %llu\n", 1596 (longlong_t)dn->dn_phys->dn_maxblkid); 1597 1598 object_viewer[ZDB_OT_TYPE(doi.doi_bonus_type)](os, object, 1599 bonus, bsize); 1600 object_viewer[ZDB_OT_TYPE(doi.doi_type)](os, object, NULL, 0); 1601 *print_header = 1; 1602 } 1603 1604 if (verbosity >= 5) 1605 dump_indirect(dn); 1606 1607 if (verbosity >= 5) { 1608 /* 1609 * Report the list of segments that comprise the object. 1610 */ 1611 uint64_t start = 0; 1612 uint64_t end; 1613 uint64_t blkfill = 1; 1614 int minlvl = 1; 1615 1616 if (dn->dn_type == DMU_OT_DNODE) { 1617 minlvl = 0; 1618 blkfill = DNODES_PER_BLOCK; 1619 } 1620 1621 for (;;) { 1622 char segsize[32]; 1623 error = dnode_next_offset(dn, 1624 0, &start, minlvl, blkfill, 0); 1625 if (error) 1626 break; 1627 end = start; 1628 error = dnode_next_offset(dn, 1629 DNODE_FIND_HOLE, &end, minlvl, blkfill, 0); 1630 zdb_nicenum(end - start, segsize); 1631 (void) printf("\t\tsegment [%016llx, %016llx)" 1632 " size %5s\n", (u_longlong_t)start, 1633 (u_longlong_t)end, segsize); 1634 if (error) 1635 break; 1636 start = end; 1637 } 1638 } 1639 1640 if (db != NULL) 1641 dmu_buf_rele(db, FTAG); 1642 } 1643 1644 static char *objset_types[DMU_OST_NUMTYPES] = { 1645 "NONE", "META", "ZPL", "ZVOL", "OTHER", "ANY" }; 1646 1647 static void 1648 dump_dir(objset_t *os) 1649 { 1650 dmu_objset_stats_t dds; 1651 uint64_t object, object_count; 1652 uint64_t refdbytes, usedobjs, scratch; 1653 char numbuf[32]; 1654 char blkbuf[BP_SPRINTF_LEN + 20]; 1655 char osname[MAXNAMELEN]; 1656 char *type = "UNKNOWN"; 1657 int verbosity = dump_opt['d']; 1658 int print_header = 1; 1659 int i, error; 1660 1661 dmu_objset_fast_stat(os, &dds); 1662 1663 if (dds.dds_type < DMU_OST_NUMTYPES) 1664 type = objset_types[dds.dds_type]; 1665 1666 if (dds.dds_type == DMU_OST_META) { 1667 dds.dds_creation_txg = TXG_INITIAL; 1668 usedobjs = os->os_rootbp->blk_fill; 1669 refdbytes = os->os_spa->spa_dsl_pool-> 1670 dp_mos_dir->dd_phys->dd_used_bytes; 1671 } else { 1672 dmu_objset_space(os, &refdbytes, &scratch, &usedobjs, &scratch); 1673 } 1674 1675 ASSERT3U(usedobjs, ==, os->os_rootbp->blk_fill); 1676 1677 zdb_nicenum(refdbytes, numbuf); 1678 1679 if (verbosity >= 4) { 1680 (void) sprintf(blkbuf, ", rootbp "); 1681 (void) sprintf_blkptr(blkbuf + strlen(blkbuf), os->os_rootbp); 1682 } else { 1683 blkbuf[0] = '\0'; 1684 } 1685 1686 dmu_objset_name(os, osname); 1687 1688 (void) printf("Dataset %s [%s], ID %llu, cr_txg %llu, " 1689 "%s, %llu objects%s\n", 1690 osname, type, (u_longlong_t)dmu_objset_id(os), 1691 (u_longlong_t)dds.dds_creation_txg, 1692 numbuf, (u_longlong_t)usedobjs, blkbuf); 1693 1694 if (zopt_objects != 0) { 1695 for (i = 0; i < zopt_objects; i++) 1696 dump_object(os, zopt_object[i], verbosity, 1697 &print_header); 1698 (void) printf("\n"); 1699 return; 1700 } 1701 1702 if (dump_opt['i'] != 0 || verbosity >= 2) 1703 dump_intent_log(dmu_objset_zil(os)); 1704 1705 if (dmu_objset_ds(os) != NULL) 1706 dump_deadlist(&dmu_objset_ds(os)->ds_deadlist); 1707 1708 if (verbosity < 2) 1709 return; 1710 1711 if (os->os_rootbp->blk_birth == 0) 1712 return; 1713 1714 dump_object(os, 0, verbosity, &print_header); 1715 object_count = 0; 1716 if (DMU_USERUSED_DNODE(os) != NULL && 1717 DMU_USERUSED_DNODE(os)->dn_type != 0) { 1718 dump_object(os, DMU_USERUSED_OBJECT, verbosity, &print_header); 1719 dump_object(os, DMU_GROUPUSED_OBJECT, verbosity, &print_header); 1720 } 1721 1722 object = 0; 1723 while ((error = dmu_object_next(os, &object, B_FALSE, 0)) == 0) { 1724 dump_object(os, object, verbosity, &print_header); 1725 object_count++; 1726 } 1727 1728 ASSERT3U(object_count, ==, usedobjs); 1729 1730 (void) printf("\n"); 1731 1732 if (error != ESRCH) { 1733 (void) fprintf(stderr, "dmu_object_next() = %d\n", error); 1734 abort(); 1735 } 1736 } 1737 1738 static void 1739 dump_uberblock(uberblock_t *ub, const char *header, const char *footer) 1740 { 1741 time_t timestamp = ub->ub_timestamp; 1742 1743 (void) printf(header ? header : ""); 1744 (void) printf("\tmagic = %016llx\n", (u_longlong_t)ub->ub_magic); 1745 (void) printf("\tversion = %llu\n", (u_longlong_t)ub->ub_version); 1746 (void) printf("\ttxg = %llu\n", (u_longlong_t)ub->ub_txg); 1747 (void) printf("\tguid_sum = %llu\n", (u_longlong_t)ub->ub_guid_sum); 1748 (void) printf("\ttimestamp = %llu UTC = %s", 1749 (u_longlong_t)ub->ub_timestamp, asctime(localtime(×tamp))); 1750 if (dump_opt['u'] >= 3) { 1751 char blkbuf[BP_SPRINTF_LEN]; 1752 sprintf_blkptr(blkbuf, &ub->ub_rootbp); 1753 (void) printf("\trootbp = %s\n", blkbuf); 1754 } 1755 (void) printf(footer ? footer : ""); 1756 } 1757 1758 static void 1759 dump_config(spa_t *spa) 1760 { 1761 dmu_buf_t *db; 1762 size_t nvsize = 0; 1763 int error = 0; 1764 1765 1766 error = dmu_bonus_hold(spa->spa_meta_objset, 1767 spa->spa_config_object, FTAG, &db); 1768 1769 if (error == 0) { 1770 nvsize = *(uint64_t *)db->db_data; 1771 dmu_buf_rele(db, FTAG); 1772 1773 (void) printf("\nMOS Configuration:\n"); 1774 dump_packed_nvlist(spa->spa_meta_objset, 1775 spa->spa_config_object, (void *)&nvsize, 1); 1776 } else { 1777 (void) fprintf(stderr, "dmu_bonus_hold(%llu) failed, errno %d", 1778 (u_longlong_t)spa->spa_config_object, error); 1779 } 1780 } 1781 1782 static void 1783 dump_cachefile(const char *cachefile) 1784 { 1785 int fd; 1786 struct stat64 statbuf; 1787 char *buf; 1788 nvlist_t *config; 1789 1790 if ((fd = open64(cachefile, O_RDONLY)) < 0) { 1791 (void) printf("cannot open '%s': %s\n", cachefile, 1792 strerror(errno)); 1793 exit(1); 1794 } 1795 1796 if (fstat64(fd, &statbuf) != 0) { 1797 (void) printf("failed to stat '%s': %s\n", cachefile, 1798 strerror(errno)); 1799 exit(1); 1800 } 1801 1802 if ((buf = malloc(statbuf.st_size)) == NULL) { 1803 (void) fprintf(stderr, "failed to allocate %llu bytes\n", 1804 (u_longlong_t)statbuf.st_size); 1805 exit(1); 1806 } 1807 1808 if (read(fd, buf, statbuf.st_size) != statbuf.st_size) { 1809 (void) fprintf(stderr, "failed to read %llu bytes\n", 1810 (u_longlong_t)statbuf.st_size); 1811 exit(1); 1812 } 1813 1814 (void) close(fd); 1815 1816 if (nvlist_unpack(buf, statbuf.st_size, &config, 0) != 0) { 1817 (void) fprintf(stderr, "failed to unpack nvlist\n"); 1818 exit(1); 1819 } 1820 1821 free(buf); 1822 1823 dump_nvlist(config, 0); 1824 1825 nvlist_free(config); 1826 } 1827 1828 #define ZDB_MAX_UB_HEADER_SIZE 32 1829 1830 static void 1831 dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift) 1832 { 1833 vdev_t vd; 1834 vdev_t *vdp = &vd; 1835 char header[ZDB_MAX_UB_HEADER_SIZE]; 1836 1837 vd.vdev_ashift = ashift; 1838 vdp->vdev_top = vdp; 1839 1840 for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) { 1841 uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i); 1842 uberblock_t *ub = (void *)((char *)lbl + uoff); 1843 1844 if (uberblock_verify(ub)) 1845 continue; 1846 (void) snprintf(header, ZDB_MAX_UB_HEADER_SIZE, 1847 "Uberblock[%d]\n", i); 1848 dump_uberblock(ub, header, ""); 1849 } 1850 } 1851 1852 static void 1853 dump_label(const char *dev) 1854 { 1855 int fd; 1856 vdev_label_t label; 1857 char *path, *buf = label.vl_vdev_phys.vp_nvlist; 1858 size_t buflen = sizeof (label.vl_vdev_phys.vp_nvlist); 1859 struct stat64 statbuf; 1860 uint64_t psize, ashift; 1861 int len = strlen(dev) + 1; 1862 1863 if (strncmp(dev, "/dev/dsk/", 9) == 0) { 1864 len++; 1865 path = malloc(len); 1866 (void) snprintf(path, len, "%s%s", "/dev/rdsk/", dev + 9); 1867 } else { 1868 path = strdup(dev); 1869 } 1870 1871 if ((fd = open64(path, O_RDONLY)) < 0) { 1872 (void) printf("cannot open '%s': %s\n", path, strerror(errno)); 1873 free(path); 1874 exit(1); 1875 } 1876 1877 if (fstat64(fd, &statbuf) != 0) { 1878 (void) printf("failed to stat '%s': %s\n", path, 1879 strerror(errno)); 1880 free(path); 1881 (void) close(fd); 1882 exit(1); 1883 } 1884 1885 if (S_ISBLK(statbuf.st_mode)) { 1886 (void) printf("cannot use '%s': character device required\n", 1887 path); 1888 free(path); 1889 (void) close(fd); 1890 exit(1); 1891 } 1892 1893 psize = statbuf.st_size; 1894 psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t)); 1895 1896 for (int l = 0; l < VDEV_LABELS; l++) { 1897 nvlist_t *config = NULL; 1898 1899 (void) printf("--------------------------------------------\n"); 1900 (void) printf("LABEL %d\n", l); 1901 (void) printf("--------------------------------------------\n"); 1902 1903 if (pread64(fd, &label, sizeof (label), 1904 vdev_label_offset(psize, l, 0)) != sizeof (label)) { 1905 (void) printf("failed to read label %d\n", l); 1906 continue; 1907 } 1908 1909 if (nvlist_unpack(buf, buflen, &config, 0) != 0) { 1910 (void) printf("failed to unpack label %d\n", l); 1911 ashift = SPA_MINBLOCKSHIFT; 1912 } else { 1913 nvlist_t *vdev_tree = NULL; 1914 1915 dump_nvlist(config, 4); 1916 if ((nvlist_lookup_nvlist(config, 1917 ZPOOL_CONFIG_VDEV_TREE, &vdev_tree) != 0) || 1918 (nvlist_lookup_uint64(vdev_tree, 1919 ZPOOL_CONFIG_ASHIFT, &ashift) != 0)) 1920 ashift = SPA_MINBLOCKSHIFT; 1921 nvlist_free(config); 1922 } 1923 if (dump_opt['u']) 1924 dump_label_uberblocks(&label, ashift); 1925 } 1926 1927 free(path); 1928 (void) close(fd); 1929 } 1930 1931 /*ARGSUSED*/ 1932 static int 1933 dump_one_dir(const char *dsname, void *arg) 1934 { 1935 int error; 1936 objset_t *os; 1937 1938 error = dmu_objset_own(dsname, DMU_OST_ANY, B_TRUE, FTAG, &os); 1939 if (error) { 1940 (void) printf("Could not open %s, error %d\n", dsname, error); 1941 return (0); 1942 } 1943 dump_dir(os); 1944 dmu_objset_disown(os, FTAG); 1945 fuid_table_destroy(); 1946 sa_loaded = B_FALSE; 1947 return (0); 1948 } 1949 1950 /* 1951 * Block statistics. 1952 */ 1953 typedef struct zdb_blkstats { 1954 uint64_t zb_asize; 1955 uint64_t zb_lsize; 1956 uint64_t zb_psize; 1957 uint64_t zb_count; 1958 } zdb_blkstats_t; 1959 1960 /* 1961 * Extended object types to report deferred frees and dedup auto-ditto blocks. 1962 */ 1963 #define ZDB_OT_DEFERRED (DMU_OT_NUMTYPES + 0) 1964 #define ZDB_OT_DITTO (DMU_OT_NUMTYPES + 1) 1965 #define ZDB_OT_OTHER (DMU_OT_NUMTYPES + 2) 1966 #define ZDB_OT_TOTAL (DMU_OT_NUMTYPES + 3) 1967 1968 static char *zdb_ot_extname[] = { 1969 "deferred free", 1970 "dedup ditto", 1971 "other", 1972 "Total", 1973 }; 1974 1975 #define ZB_TOTAL DN_MAX_LEVELS 1976 1977 typedef struct zdb_cb { 1978 zdb_blkstats_t zcb_type[ZB_TOTAL + 1][ZDB_OT_TOTAL + 1]; 1979 uint64_t zcb_dedup_asize; 1980 uint64_t zcb_dedup_blocks; 1981 uint64_t zcb_errors[256]; 1982 int zcb_readfails; 1983 int zcb_haderrors; 1984 spa_t *zcb_spa; 1985 } zdb_cb_t; 1986 1987 static void 1988 zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp, 1989 dmu_object_type_t type) 1990 { 1991 uint64_t refcnt = 0; 1992 1993 ASSERT(type < ZDB_OT_TOTAL); 1994 1995 if (zilog && zil_bp_tree_add(zilog, bp) != 0) 1996 return; 1997 1998 for (int i = 0; i < 4; i++) { 1999 int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL; 2000 int t = (i & 1) ? type : ZDB_OT_TOTAL; 2001 zdb_blkstats_t *zb = &zcb->zcb_type[l][t]; 2002 2003 zb->zb_asize += BP_GET_ASIZE(bp); 2004 zb->zb_lsize += BP_GET_LSIZE(bp); 2005 zb->zb_psize += BP_GET_PSIZE(bp); 2006 zb->zb_count++; 2007 } 2008 2009 if (dump_opt['L']) 2010 return; 2011 2012 if (BP_GET_DEDUP(bp)) { 2013 ddt_t *ddt; 2014 ddt_entry_t *dde; 2015 2016 ddt = ddt_select(zcb->zcb_spa, bp); 2017 ddt_enter(ddt); 2018 dde = ddt_lookup(ddt, bp, B_FALSE); 2019 2020 if (dde == NULL) { 2021 refcnt = 0; 2022 } else { 2023 ddt_phys_t *ddp = ddt_phys_select(dde, bp); 2024 ddt_phys_decref(ddp); 2025 refcnt = ddp->ddp_refcnt; 2026 if (ddt_phys_total_refcnt(dde) == 0) 2027 ddt_remove(ddt, dde); 2028 } 2029 ddt_exit(ddt); 2030 } 2031 2032 VERIFY3U(zio_wait(zio_claim(NULL, zcb->zcb_spa, 2033 refcnt ? 0 : spa_first_txg(zcb->zcb_spa), 2034 bp, NULL, NULL, ZIO_FLAG_CANFAIL)), ==, 0); 2035 } 2036 2037 static void 2038 zdb_blkptr_done(zio_t *zio) 2039 { 2040 spa_t *spa = zio->io_spa; 2041 blkptr_t *bp = zio->io_bp; 2042 int ioerr = zio->io_error; 2043 zdb_cb_t *zcb = zio->io_private; 2044 zbookmark_t *zb = &zio->io_bookmark; 2045 2046 zio_data_buf_free(zio->io_data, zio->io_size); 2047 2048 mutex_enter(&spa->spa_scrub_lock); 2049 spa->spa_scrub_inflight--; 2050 cv_broadcast(&spa->spa_scrub_io_cv); 2051 2052 if (ioerr && !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) { 2053 char blkbuf[BP_SPRINTF_LEN]; 2054 2055 zcb->zcb_haderrors = 1; 2056 zcb->zcb_errors[ioerr]++; 2057 2058 if (dump_opt['b'] >= 2) 2059 sprintf_blkptr(blkbuf, bp); 2060 else 2061 blkbuf[0] = '\0'; 2062 2063 (void) printf("zdb_blkptr_cb: " 2064 "Got error %d reading " 2065 "<%llu, %llu, %lld, %llx> %s -- skipping\n", 2066 ioerr, 2067 (u_longlong_t)zb->zb_objset, 2068 (u_longlong_t)zb->zb_object, 2069 (u_longlong_t)zb->zb_level, 2070 (u_longlong_t)zb->zb_blkid, 2071 blkbuf); 2072 } 2073 mutex_exit(&spa->spa_scrub_lock); 2074 } 2075 2076 /* ARGSUSED */ 2077 static int 2078 zdb_blkptr_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf, 2079 const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2080 { 2081 zdb_cb_t *zcb = arg; 2082 char blkbuf[BP_SPRINTF_LEN]; 2083 dmu_object_type_t type; 2084 boolean_t is_metadata; 2085 2086 if (bp == NULL) 2087 return (0); 2088 2089 type = BP_GET_TYPE(bp); 2090 2091 zdb_count_block(zcb, zilog, bp, 2092 (type & DMU_OT_NEWTYPE) ? ZDB_OT_OTHER : type); 2093 2094 is_metadata = (BP_GET_LEVEL(bp) != 0 || DMU_OT_IS_METADATA(type)); 2095 2096 if (dump_opt['c'] > 1 || (dump_opt['c'] && is_metadata)) { 2097 size_t size = BP_GET_PSIZE(bp); 2098 void *data = zio_data_buf_alloc(size); 2099 int flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_SCRUB | ZIO_FLAG_RAW; 2100 2101 /* If it's an intent log block, failure is expected. */ 2102 if (zb->zb_level == ZB_ZIL_LEVEL) 2103 flags |= ZIO_FLAG_SPECULATIVE; 2104 2105 mutex_enter(&spa->spa_scrub_lock); 2106 while (spa->spa_scrub_inflight > max_inflight) 2107 cv_wait(&spa->spa_scrub_io_cv, &spa->spa_scrub_lock); 2108 spa->spa_scrub_inflight++; 2109 mutex_exit(&spa->spa_scrub_lock); 2110 2111 zio_nowait(zio_read(NULL, spa, bp, data, size, 2112 zdb_blkptr_done, zcb, ZIO_PRIORITY_ASYNC_READ, flags, zb)); 2113 2114 } 2115 2116 zcb->zcb_readfails = 0; 2117 2118 if (dump_opt['b'] >= 4) { 2119 sprintf_blkptr(blkbuf, bp); 2120 (void) printf("objset %llu object %llu " 2121 "level %lld offset 0x%llx %s\n", 2122 (u_longlong_t)zb->zb_objset, 2123 (u_longlong_t)zb->zb_object, 2124 (longlong_t)zb->zb_level, 2125 (u_longlong_t)blkid2offset(dnp, bp, zb), 2126 blkbuf); 2127 } 2128 2129 return (0); 2130 } 2131 2132 static void 2133 zdb_leak(space_map_t *sm, uint64_t start, uint64_t size) 2134 { 2135 vdev_t *vd = sm->sm_ppd; 2136 2137 (void) printf("leaked space: vdev %llu, offset 0x%llx, size %llu\n", 2138 (u_longlong_t)vd->vdev_id, (u_longlong_t)start, (u_longlong_t)size); 2139 } 2140 2141 /* ARGSUSED */ 2142 static void 2143 zdb_space_map_load(space_map_t *sm) 2144 { 2145 } 2146 2147 static void 2148 zdb_space_map_unload(space_map_t *sm) 2149 { 2150 space_map_vacate(sm, zdb_leak, sm); 2151 } 2152 2153 /* ARGSUSED */ 2154 static void 2155 zdb_space_map_claim(space_map_t *sm, uint64_t start, uint64_t size) 2156 { 2157 } 2158 2159 static space_map_ops_t zdb_space_map_ops = { 2160 zdb_space_map_load, 2161 zdb_space_map_unload, 2162 NULL, /* alloc */ 2163 zdb_space_map_claim, 2164 NULL, /* free */ 2165 NULL /* maxsize */ 2166 }; 2167 2168 static void 2169 zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb) 2170 { 2171 ddt_bookmark_t ddb = { 0 }; 2172 ddt_entry_t dde; 2173 int error; 2174 2175 while ((error = ddt_walk(spa, &ddb, &dde)) == 0) { 2176 blkptr_t blk; 2177 ddt_phys_t *ddp = dde.dde_phys; 2178 2179 if (ddb.ddb_class == DDT_CLASS_UNIQUE) 2180 return; 2181 2182 ASSERT(ddt_phys_total_refcnt(&dde) > 1); 2183 2184 for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) { 2185 if (ddp->ddp_phys_birth == 0) 2186 continue; 2187 ddt_bp_create(ddb.ddb_checksum, 2188 &dde.dde_key, ddp, &blk); 2189 if (p == DDT_PHYS_DITTO) { 2190 zdb_count_block(zcb, NULL, &blk, ZDB_OT_DITTO); 2191 } else { 2192 zcb->zcb_dedup_asize += 2193 BP_GET_ASIZE(&blk) * (ddp->ddp_refcnt - 1); 2194 zcb->zcb_dedup_blocks++; 2195 } 2196 } 2197 if (!dump_opt['L']) { 2198 ddt_t *ddt = spa->spa_ddt[ddb.ddb_checksum]; 2199 ddt_enter(ddt); 2200 VERIFY(ddt_lookup(ddt, &blk, B_TRUE) != NULL); 2201 ddt_exit(ddt); 2202 } 2203 } 2204 2205 ASSERT(error == ENOENT); 2206 } 2207 2208 static void 2209 zdb_leak_init(spa_t *spa, zdb_cb_t *zcb) 2210 { 2211 zcb->zcb_spa = spa; 2212 2213 if (!dump_opt['L']) { 2214 vdev_t *rvd = spa->spa_root_vdev; 2215 for (int c = 0; c < rvd->vdev_children; c++) { 2216 vdev_t *vd = rvd->vdev_child[c]; 2217 for (int m = 0; m < vd->vdev_ms_count; m++) { 2218 metaslab_t *msp = vd->vdev_ms[m]; 2219 mutex_enter(&msp->ms_lock); 2220 space_map_unload(&msp->ms_map); 2221 VERIFY(space_map_load(&msp->ms_map, 2222 &zdb_space_map_ops, SM_ALLOC, &msp->ms_smo, 2223 spa->spa_meta_objset) == 0); 2224 msp->ms_map.sm_ppd = vd; 2225 mutex_exit(&msp->ms_lock); 2226 } 2227 } 2228 } 2229 2230 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2231 2232 zdb_ddt_leak_init(spa, zcb); 2233 2234 spa_config_exit(spa, SCL_CONFIG, FTAG); 2235 } 2236 2237 static void 2238 zdb_leak_fini(spa_t *spa) 2239 { 2240 if (!dump_opt['L']) { 2241 vdev_t *rvd = spa->spa_root_vdev; 2242 for (int c = 0; c < rvd->vdev_children; c++) { 2243 vdev_t *vd = rvd->vdev_child[c]; 2244 for (int m = 0; m < vd->vdev_ms_count; m++) { 2245 metaslab_t *msp = vd->vdev_ms[m]; 2246 mutex_enter(&msp->ms_lock); 2247 space_map_unload(&msp->ms_map); 2248 mutex_exit(&msp->ms_lock); 2249 } 2250 } 2251 } 2252 } 2253 2254 /* ARGSUSED */ 2255 static int 2256 count_block_cb(void *arg, const blkptr_t *bp, dmu_tx_t *tx) 2257 { 2258 zdb_cb_t *zcb = arg; 2259 2260 if (dump_opt['b'] >= 4) { 2261 char blkbuf[BP_SPRINTF_LEN]; 2262 sprintf_blkptr(blkbuf, bp); 2263 (void) printf("[%s] %s\n", 2264 "deferred free", blkbuf); 2265 } 2266 zdb_count_block(zcb, NULL, bp, ZDB_OT_DEFERRED); 2267 return (0); 2268 } 2269 2270 static int 2271 dump_block_stats(spa_t *spa) 2272 { 2273 zdb_cb_t zcb = { 0 }; 2274 zdb_blkstats_t *zb, *tzb; 2275 uint64_t norm_alloc, norm_space, total_alloc, total_found; 2276 int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD; 2277 int leaks = 0; 2278 2279 (void) printf("\nTraversing all blocks %s%s%s%s%s...\n", 2280 (dump_opt['c'] || !dump_opt['L']) ? "to verify " : "", 2281 (dump_opt['c'] == 1) ? "metadata " : "", 2282 dump_opt['c'] ? "checksums " : "", 2283 (dump_opt['c'] && !dump_opt['L']) ? "and verify " : "", 2284 !dump_opt['L'] ? "nothing leaked " : ""); 2285 2286 /* 2287 * Load all space maps as SM_ALLOC maps, then traverse the pool 2288 * claiming each block we discover. If the pool is perfectly 2289 * consistent, the space maps will be empty when we're done. 2290 * Anything left over is a leak; any block we can't claim (because 2291 * it's not part of any space map) is a double allocation, 2292 * reference to a freed block, or an unclaimed log block. 2293 */ 2294 zdb_leak_init(spa, &zcb); 2295 2296 /* 2297 * If there's a deferred-free bplist, process that first. 2298 */ 2299 (void) bpobj_iterate_nofree(&spa->spa_deferred_bpobj, 2300 count_block_cb, &zcb, NULL); 2301 (void) bpobj_iterate_nofree(&spa->spa_dsl_pool->dp_free_bpobj, 2302 count_block_cb, &zcb, NULL); 2303 if (spa_feature_is_active(spa, 2304 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) { 2305 VERIFY3U(0, ==, bptree_iterate(spa->spa_meta_objset, 2306 spa->spa_dsl_pool->dp_bptree_obj, B_FALSE, count_block_cb, 2307 &zcb, NULL)); 2308 } 2309 2310 if (dump_opt['c'] > 1) 2311 flags |= TRAVERSE_PREFETCH_DATA; 2312 2313 zcb.zcb_haderrors |= traverse_pool(spa, 0, flags, zdb_blkptr_cb, &zcb); 2314 2315 /* 2316 * If we've traversed the data blocks then we need to wait for those 2317 * I/Os to complete. We leverage "The Godfather" zio to wait on 2318 * all async I/Os to complete. 2319 */ 2320 if (dump_opt['c']) { 2321 (void) zio_wait(spa->spa_async_zio_root); 2322 spa->spa_async_zio_root = zio_root(spa, NULL, NULL, 2323 ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE | 2324 ZIO_FLAG_GODFATHER); 2325 } 2326 2327 if (zcb.zcb_haderrors) { 2328 (void) printf("\nError counts:\n\n"); 2329 (void) printf("\t%5s %s\n", "errno", "count"); 2330 for (int e = 0; e < 256; e++) { 2331 if (zcb.zcb_errors[e] != 0) { 2332 (void) printf("\t%5d %llu\n", 2333 e, (u_longlong_t)zcb.zcb_errors[e]); 2334 } 2335 } 2336 } 2337 2338 /* 2339 * Report any leaked segments. 2340 */ 2341 zdb_leak_fini(spa); 2342 2343 tzb = &zcb.zcb_type[ZB_TOTAL][ZDB_OT_TOTAL]; 2344 2345 norm_alloc = metaslab_class_get_alloc(spa_normal_class(spa)); 2346 norm_space = metaslab_class_get_space(spa_normal_class(spa)); 2347 2348 total_alloc = norm_alloc + metaslab_class_get_alloc(spa_log_class(spa)); 2349 total_found = tzb->zb_asize - zcb.zcb_dedup_asize; 2350 2351 if (total_found == total_alloc) { 2352 if (!dump_opt['L']) 2353 (void) printf("\n\tNo leaks (block sum matches space" 2354 " maps exactly)\n"); 2355 } else { 2356 (void) printf("block traversal size %llu != alloc %llu " 2357 "(%s %lld)\n", 2358 (u_longlong_t)total_found, 2359 (u_longlong_t)total_alloc, 2360 (dump_opt['L']) ? "unreachable" : "leaked", 2361 (longlong_t)(total_alloc - total_found)); 2362 leaks = 1; 2363 } 2364 2365 if (tzb->zb_count == 0) 2366 return (2); 2367 2368 (void) printf("\n"); 2369 (void) printf("\tbp count: %10llu\n", 2370 (u_longlong_t)tzb->zb_count); 2371 (void) printf("\tbp logical: %10llu avg: %6llu\n", 2372 (u_longlong_t)tzb->zb_lsize, 2373 (u_longlong_t)(tzb->zb_lsize / tzb->zb_count)); 2374 (void) printf("\tbp physical: %10llu avg:" 2375 " %6llu compression: %6.2f\n", 2376 (u_longlong_t)tzb->zb_psize, 2377 (u_longlong_t)(tzb->zb_psize / tzb->zb_count), 2378 (double)tzb->zb_lsize / tzb->zb_psize); 2379 (void) printf("\tbp allocated: %10llu avg:" 2380 " %6llu compression: %6.2f\n", 2381 (u_longlong_t)tzb->zb_asize, 2382 (u_longlong_t)(tzb->zb_asize / tzb->zb_count), 2383 (double)tzb->zb_lsize / tzb->zb_asize); 2384 (void) printf("\tbp deduped: %10llu ref>1:" 2385 " %6llu deduplication: %6.2f\n", 2386 (u_longlong_t)zcb.zcb_dedup_asize, 2387 (u_longlong_t)zcb.zcb_dedup_blocks, 2388 (double)zcb.zcb_dedup_asize / tzb->zb_asize + 1.0); 2389 (void) printf("\tSPA allocated: %10llu used: %5.2f%%\n", 2390 (u_longlong_t)norm_alloc, 100.0 * norm_alloc / norm_space); 2391 2392 if (dump_opt['b'] >= 2) { 2393 int l, t, level; 2394 (void) printf("\nBlocks\tLSIZE\tPSIZE\tASIZE" 2395 "\t avg\t comp\t%%Total\tType\n"); 2396 2397 for (t = 0; t <= ZDB_OT_TOTAL; t++) { 2398 char csize[32], lsize[32], psize[32], asize[32]; 2399 char avg[32]; 2400 char *typename; 2401 2402 if (t < DMU_OT_NUMTYPES) 2403 typename = dmu_ot[t].ot_name; 2404 else 2405 typename = zdb_ot_extname[t - DMU_OT_NUMTYPES]; 2406 2407 if (zcb.zcb_type[ZB_TOTAL][t].zb_asize == 0) { 2408 (void) printf("%6s\t%5s\t%5s\t%5s" 2409 "\t%5s\t%5s\t%6s\t%s\n", 2410 "-", 2411 "-", 2412 "-", 2413 "-", 2414 "-", 2415 "-", 2416 "-", 2417 typename); 2418 continue; 2419 } 2420 2421 for (l = ZB_TOTAL - 1; l >= -1; l--) { 2422 level = (l == -1 ? ZB_TOTAL : l); 2423 zb = &zcb.zcb_type[level][t]; 2424 2425 if (zb->zb_asize == 0) 2426 continue; 2427 2428 if (dump_opt['b'] < 3 && level != ZB_TOTAL) 2429 continue; 2430 2431 if (level == 0 && zb->zb_asize == 2432 zcb.zcb_type[ZB_TOTAL][t].zb_asize) 2433 continue; 2434 2435 zdb_nicenum(zb->zb_count, csize); 2436 zdb_nicenum(zb->zb_lsize, lsize); 2437 zdb_nicenum(zb->zb_psize, psize); 2438 zdb_nicenum(zb->zb_asize, asize); 2439 zdb_nicenum(zb->zb_asize / zb->zb_count, avg); 2440 2441 (void) printf("%6s\t%5s\t%5s\t%5s\t%5s" 2442 "\t%5.2f\t%6.2f\t", 2443 csize, lsize, psize, asize, avg, 2444 (double)zb->zb_lsize / zb->zb_psize, 2445 100.0 * zb->zb_asize / tzb->zb_asize); 2446 2447 if (level == ZB_TOTAL) 2448 (void) printf("%s\n", typename); 2449 else 2450 (void) printf(" L%d %s\n", 2451 level, typename); 2452 } 2453 } 2454 } 2455 2456 (void) printf("\n"); 2457 2458 if (leaks) 2459 return (2); 2460 2461 if (zcb.zcb_haderrors) 2462 return (3); 2463 2464 return (0); 2465 } 2466 2467 typedef struct zdb_ddt_entry { 2468 ddt_key_t zdde_key; 2469 uint64_t zdde_ref_blocks; 2470 uint64_t zdde_ref_lsize; 2471 uint64_t zdde_ref_psize; 2472 uint64_t zdde_ref_dsize; 2473 avl_node_t zdde_node; 2474 } zdb_ddt_entry_t; 2475 2476 /* ARGSUSED */ 2477 static int 2478 zdb_ddt_add_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, 2479 arc_buf_t *pbuf, const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg) 2480 { 2481 avl_tree_t *t = arg; 2482 avl_index_t where; 2483 zdb_ddt_entry_t *zdde, zdde_search; 2484 2485 if (bp == NULL) 2486 return (0); 2487 2488 if (dump_opt['S'] > 1 && zb->zb_level == ZB_ROOT_LEVEL) { 2489 (void) printf("traversing objset %llu, %llu objects, " 2490 "%lu blocks so far\n", 2491 (u_longlong_t)zb->zb_objset, 2492 (u_longlong_t)bp->blk_fill, 2493 avl_numnodes(t)); 2494 } 2495 2496 if (BP_IS_HOLE(bp) || BP_GET_CHECKSUM(bp) == ZIO_CHECKSUM_OFF || 2497 BP_GET_LEVEL(bp) > 0 || DMU_OT_IS_METADATA(BP_GET_TYPE(bp))) 2498 return (0); 2499 2500 ddt_key_fill(&zdde_search.zdde_key, bp); 2501 2502 zdde = avl_find(t, &zdde_search, &where); 2503 2504 if (zdde == NULL) { 2505 zdde = umem_zalloc(sizeof (*zdde), UMEM_NOFAIL); 2506 zdde->zdde_key = zdde_search.zdde_key; 2507 avl_insert(t, zdde, where); 2508 } 2509 2510 zdde->zdde_ref_blocks += 1; 2511 zdde->zdde_ref_lsize += BP_GET_LSIZE(bp); 2512 zdde->zdde_ref_psize += BP_GET_PSIZE(bp); 2513 zdde->zdde_ref_dsize += bp_get_dsize_sync(spa, bp); 2514 2515 return (0); 2516 } 2517 2518 static void 2519 dump_simulated_ddt(spa_t *spa) 2520 { 2521 avl_tree_t t; 2522 void *cookie = NULL; 2523 zdb_ddt_entry_t *zdde; 2524 ddt_histogram_t ddh_total = { 0 }; 2525 ddt_stat_t dds_total = { 0 }; 2526 2527 avl_create(&t, ddt_entry_compare, 2528 sizeof (zdb_ddt_entry_t), offsetof(zdb_ddt_entry_t, zdde_node)); 2529 2530 spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER); 2531 2532 (void) traverse_pool(spa, 0, TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA, 2533 zdb_ddt_add_cb, &t); 2534 2535 spa_config_exit(spa, SCL_CONFIG, FTAG); 2536 2537 while ((zdde = avl_destroy_nodes(&t, &cookie)) != NULL) { 2538 ddt_stat_t dds; 2539 uint64_t refcnt = zdde->zdde_ref_blocks; 2540 ASSERT(refcnt != 0); 2541 2542 dds.dds_blocks = zdde->zdde_ref_blocks / refcnt; 2543 dds.dds_lsize = zdde->zdde_ref_lsize / refcnt; 2544 dds.dds_psize = zdde->zdde_ref_psize / refcnt; 2545 dds.dds_dsize = zdde->zdde_ref_dsize / refcnt; 2546 2547 dds.dds_ref_blocks = zdde->zdde_ref_blocks; 2548 dds.dds_ref_lsize = zdde->zdde_ref_lsize; 2549 dds.dds_ref_psize = zdde->zdde_ref_psize; 2550 dds.dds_ref_dsize = zdde->zdde_ref_dsize; 2551 2552 ddt_stat_add(&ddh_total.ddh_stat[highbit(refcnt) - 1], &dds, 0); 2553 2554 umem_free(zdde, sizeof (*zdde)); 2555 } 2556 2557 avl_destroy(&t); 2558 2559 ddt_histogram_stat(&dds_total, &ddh_total); 2560 2561 (void) printf("Simulated DDT histogram:\n"); 2562 2563 zpool_dump_ddt(&dds_total, &ddh_total); 2564 2565 dump_dedup_ratio(&dds_total); 2566 } 2567 2568 static void 2569 dump_zpool(spa_t *spa) 2570 { 2571 dsl_pool_t *dp = spa_get_dsl(spa); 2572 int rc = 0; 2573 2574 if (dump_opt['S']) { 2575 dump_simulated_ddt(spa); 2576 return; 2577 } 2578 2579 if (!dump_opt['e'] && dump_opt['C'] > 1) { 2580 (void) printf("\nCached configuration:\n"); 2581 dump_nvlist(spa->spa_config, 8); 2582 } 2583 2584 if (dump_opt['C']) 2585 dump_config(spa); 2586 2587 if (dump_opt['u']) 2588 dump_uberblock(&spa->spa_uberblock, "\nUberblock:\n", "\n"); 2589 2590 if (dump_opt['D']) 2591 dump_all_ddts(spa); 2592 2593 if (dump_opt['d'] > 2 || dump_opt['m']) 2594 dump_metaslabs(spa); 2595 2596 if (dump_opt['d'] || dump_opt['i']) { 2597 dump_dir(dp->dp_meta_objset); 2598 if (dump_opt['d'] >= 3) { 2599 dump_bpobj(&spa->spa_deferred_bpobj, "Deferred frees"); 2600 if (spa_version(spa) >= SPA_VERSION_DEADLISTS) { 2601 dump_bpobj(&spa->spa_dsl_pool->dp_free_bpobj, 2602 "Pool snapshot frees"); 2603 } 2604 2605 if (spa_feature_is_active(spa, 2606 &spa_feature_table[SPA_FEATURE_ASYNC_DESTROY])) { 2607 dump_bptree(spa->spa_meta_objset, 2608 spa->spa_dsl_pool->dp_bptree_obj, 2609 "Pool dataset frees"); 2610 } 2611 dump_dtl(spa->spa_root_vdev, 0); 2612 } 2613 (void) dmu_objset_find(spa_name(spa), dump_one_dir, 2614 NULL, DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN); 2615 } 2616 if (dump_opt['b'] || dump_opt['c']) 2617 rc = dump_block_stats(spa); 2618 2619 if (dump_opt['s']) 2620 show_pool_stats(spa); 2621 2622 if (dump_opt['h']) 2623 dump_history(spa); 2624 2625 if (rc != 0) 2626 exit(rc); 2627 } 2628 2629 #define ZDB_FLAG_CHECKSUM 0x0001 2630 #define ZDB_FLAG_DECOMPRESS 0x0002 2631 #define ZDB_FLAG_BSWAP 0x0004 2632 #define ZDB_FLAG_GBH 0x0008 2633 #define ZDB_FLAG_INDIRECT 0x0010 2634 #define ZDB_FLAG_PHYS 0x0020 2635 #define ZDB_FLAG_RAW 0x0040 2636 #define ZDB_FLAG_PRINT_BLKPTR 0x0080 2637 2638 int flagbits[256]; 2639 2640 static void 2641 zdb_print_blkptr(blkptr_t *bp, int flags) 2642 { 2643 char blkbuf[BP_SPRINTF_LEN]; 2644 2645 if (flags & ZDB_FLAG_BSWAP) 2646 byteswap_uint64_array((void *)bp, sizeof (blkptr_t)); 2647 2648 sprintf_blkptr(blkbuf, bp); 2649 (void) printf("%s\n", blkbuf); 2650 } 2651 2652 static void 2653 zdb_dump_indirect(blkptr_t *bp, int nbps, int flags) 2654 { 2655 int i; 2656 2657 for (i = 0; i < nbps; i++) 2658 zdb_print_blkptr(&bp[i], flags); 2659 } 2660 2661 static void 2662 zdb_dump_gbh(void *buf, int flags) 2663 { 2664 zdb_dump_indirect((blkptr_t *)buf, SPA_GBH_NBLKPTRS, flags); 2665 } 2666 2667 static void 2668 zdb_dump_block_raw(void *buf, uint64_t size, int flags) 2669 { 2670 if (flags & ZDB_FLAG_BSWAP) 2671 byteswap_uint64_array(buf, size); 2672 (void) write(1, buf, size); 2673 } 2674 2675 static void 2676 zdb_dump_block(char *label, void *buf, uint64_t size, int flags) 2677 { 2678 uint64_t *d = (uint64_t *)buf; 2679 int nwords = size / sizeof (uint64_t); 2680 int do_bswap = !!(flags & ZDB_FLAG_BSWAP); 2681 int i, j; 2682 char *hdr, *c; 2683 2684 2685 if (do_bswap) 2686 hdr = " 7 6 5 4 3 2 1 0 f e d c b a 9 8"; 2687 else 2688 hdr = " 0 1 2 3 4 5 6 7 8 9 a b c d e f"; 2689 2690 (void) printf("\n%s\n%6s %s 0123456789abcdef\n", label, "", hdr); 2691 2692 for (i = 0; i < nwords; i += 2) { 2693 (void) printf("%06llx: %016llx %016llx ", 2694 (u_longlong_t)(i * sizeof (uint64_t)), 2695 (u_longlong_t)(do_bswap ? BSWAP_64(d[i]) : d[i]), 2696 (u_longlong_t)(do_bswap ? BSWAP_64(d[i + 1]) : d[i + 1])); 2697 2698 c = (char *)&d[i]; 2699 for (j = 0; j < 2 * sizeof (uint64_t); j++) 2700 (void) printf("%c", isprint(c[j]) ? c[j] : '.'); 2701 (void) printf("\n"); 2702 } 2703 } 2704 2705 /* 2706 * There are two acceptable formats: 2707 * leaf_name - For example: c1t0d0 or /tmp/ztest.0a 2708 * child[.child]* - For example: 0.1.1 2709 * 2710 * The second form can be used to specify arbitrary vdevs anywhere 2711 * in the heirarchy. For example, in a pool with a mirror of 2712 * RAID-Zs, you can specify either RAID-Z vdev with 0.0 or 0.1 . 2713 */ 2714 static vdev_t * 2715 zdb_vdev_lookup(vdev_t *vdev, char *path) 2716 { 2717 char *s, *p, *q; 2718 int i; 2719 2720 if (vdev == NULL) 2721 return (NULL); 2722 2723 /* First, assume the x.x.x.x format */ 2724 i = (int)strtoul(path, &s, 10); 2725 if (s == path || (s && *s != '.' && *s != '\0')) 2726 goto name; 2727 if (i < 0 || i >= vdev->vdev_children) 2728 return (NULL); 2729 2730 vdev = vdev->vdev_child[i]; 2731 if (*s == '\0') 2732 return (vdev); 2733 return (zdb_vdev_lookup(vdev, s+1)); 2734 2735 name: 2736 for (i = 0; i < vdev->vdev_children; i++) { 2737 vdev_t *vc = vdev->vdev_child[i]; 2738 2739 if (vc->vdev_path == NULL) { 2740 vc = zdb_vdev_lookup(vc, path); 2741 if (vc == NULL) 2742 continue; 2743 else 2744 return (vc); 2745 } 2746 2747 p = strrchr(vc->vdev_path, '/'); 2748 p = p ? p + 1 : vc->vdev_path; 2749 q = &vc->vdev_path[strlen(vc->vdev_path) - 2]; 2750 2751 if (strcmp(vc->vdev_path, path) == 0) 2752 return (vc); 2753 if (strcmp(p, path) == 0) 2754 return (vc); 2755 if (strcmp(q, "s0") == 0 && strncmp(p, path, q - p) == 0) 2756 return (vc); 2757 } 2758 2759 return (NULL); 2760 } 2761 2762 /* 2763 * Read a block from a pool and print it out. The syntax of the 2764 * block descriptor is: 2765 * 2766 * pool:vdev_specifier:offset:size[:flags] 2767 * 2768 * pool - The name of the pool you wish to read from 2769 * vdev_specifier - Which vdev (see comment for zdb_vdev_lookup) 2770 * offset - offset, in hex, in bytes 2771 * size - Amount of data to read, in hex, in bytes 2772 * flags - A string of characters specifying options 2773 * b: Decode a blkptr at given offset within block 2774 * *c: Calculate and display checksums 2775 * d: Decompress data before dumping 2776 * e: Byteswap data before dumping 2777 * g: Display data as a gang block header 2778 * i: Display as an indirect block 2779 * p: Do I/O to physical offset 2780 * r: Dump raw data to stdout 2781 * 2782 * * = not yet implemented 2783 */ 2784 static void 2785 zdb_read_block(char *thing, spa_t *spa) 2786 { 2787 blkptr_t blk, *bp = &blk; 2788 dva_t *dva = bp->blk_dva; 2789 int flags = 0; 2790 uint64_t offset = 0, size = 0, psize = 0, lsize = 0, blkptr_offset = 0; 2791 zio_t *zio; 2792 vdev_t *vd; 2793 void *pbuf, *lbuf, *buf; 2794 char *s, *p, *dup, *vdev, *flagstr; 2795 int i, error; 2796 2797 dup = strdup(thing); 2798 s = strtok(dup, ":"); 2799 vdev = s ? s : ""; 2800 s = strtok(NULL, ":"); 2801 offset = strtoull(s ? s : "", NULL, 16); 2802 s = strtok(NULL, ":"); 2803 size = strtoull(s ? s : "", NULL, 16); 2804 s = strtok(NULL, ":"); 2805 flagstr = s ? s : ""; 2806 2807 s = NULL; 2808 if (size == 0) 2809 s = "size must not be zero"; 2810 if (!IS_P2ALIGNED(size, DEV_BSIZE)) 2811 s = "size must be a multiple of sector size"; 2812 if (!IS_P2ALIGNED(offset, DEV_BSIZE)) 2813 s = "offset must be a multiple of sector size"; 2814 if (s) { 2815 (void) printf("Invalid block specifier: %s - %s\n", thing, s); 2816 free(dup); 2817 return; 2818 } 2819 2820 for (s = strtok(flagstr, ":"); s; s = strtok(NULL, ":")) { 2821 for (i = 0; flagstr[i]; i++) { 2822 int bit = flagbits[(uchar_t)flagstr[i]]; 2823 2824 if (bit == 0) { 2825 (void) printf("***Invalid flag: %c\n", 2826 flagstr[i]); 2827 continue; 2828 } 2829 flags |= bit; 2830 2831 /* If it's not something with an argument, keep going */ 2832 if ((bit & (ZDB_FLAG_CHECKSUM | 2833 ZDB_FLAG_PRINT_BLKPTR)) == 0) 2834 continue; 2835 2836 p = &flagstr[i + 1]; 2837 if (bit == ZDB_FLAG_PRINT_BLKPTR) 2838 blkptr_offset = strtoull(p, &p, 16); 2839 if (*p != ':' && *p != '\0') { 2840 (void) printf("***Invalid flag arg: '%s'\n", s); 2841 free(dup); 2842 return; 2843 } 2844 } 2845 } 2846 2847 vd = zdb_vdev_lookup(spa->spa_root_vdev, vdev); 2848 if (vd == NULL) { 2849 (void) printf("***Invalid vdev: %s\n", vdev); 2850 free(dup); 2851 return; 2852 } else { 2853 if (vd->vdev_path) 2854 (void) fprintf(stderr, "Found vdev: %s\n", 2855 vd->vdev_path); 2856 else 2857 (void) fprintf(stderr, "Found vdev type: %s\n", 2858 vd->vdev_ops->vdev_op_type); 2859 } 2860 2861 psize = size; 2862 lsize = size; 2863 2864 pbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2865 lbuf = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2866 2867 BP_ZERO(bp); 2868 2869 DVA_SET_VDEV(&dva[0], vd->vdev_id); 2870 DVA_SET_OFFSET(&dva[0], offset); 2871 DVA_SET_GANG(&dva[0], !!(flags & ZDB_FLAG_GBH)); 2872 DVA_SET_ASIZE(&dva[0], vdev_psize_to_asize(vd, psize)); 2873 2874 BP_SET_BIRTH(bp, TXG_INITIAL, TXG_INITIAL); 2875 2876 BP_SET_LSIZE(bp, lsize); 2877 BP_SET_PSIZE(bp, psize); 2878 BP_SET_COMPRESS(bp, ZIO_COMPRESS_OFF); 2879 BP_SET_CHECKSUM(bp, ZIO_CHECKSUM_OFF); 2880 BP_SET_TYPE(bp, DMU_OT_NONE); 2881 BP_SET_LEVEL(bp, 0); 2882 BP_SET_DEDUP(bp, 0); 2883 BP_SET_BYTEORDER(bp, ZFS_HOST_BYTEORDER); 2884 2885 spa_config_enter(spa, SCL_STATE, FTAG, RW_READER); 2886 zio = zio_root(spa, NULL, NULL, 0); 2887 2888 if (vd == vd->vdev_top) { 2889 /* 2890 * Treat this as a normal block read. 2891 */ 2892 zio_nowait(zio_read(zio, spa, bp, pbuf, psize, NULL, NULL, 2893 ZIO_PRIORITY_SYNC_READ, 2894 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL)); 2895 } else { 2896 /* 2897 * Treat this as a vdev child I/O. 2898 */ 2899 zio_nowait(zio_vdev_child_io(zio, bp, vd, offset, pbuf, psize, 2900 ZIO_TYPE_READ, ZIO_PRIORITY_SYNC_READ, 2901 ZIO_FLAG_DONT_CACHE | ZIO_FLAG_DONT_QUEUE | 2902 ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY | 2903 ZIO_FLAG_CANFAIL | ZIO_FLAG_RAW, NULL, NULL)); 2904 } 2905 2906 error = zio_wait(zio); 2907 spa_config_exit(spa, SCL_STATE, FTAG); 2908 2909 if (error) { 2910 (void) printf("Read of %s failed, error: %d\n", thing, error); 2911 goto out; 2912 } 2913 2914 if (flags & ZDB_FLAG_DECOMPRESS) { 2915 /* 2916 * We don't know how the data was compressed, so just try 2917 * every decompress function at every inflated blocksize. 2918 */ 2919 enum zio_compress c; 2920 void *pbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2921 void *lbuf2 = umem_alloc(SPA_MAXBLOCKSIZE, UMEM_NOFAIL); 2922 2923 bcopy(pbuf, pbuf2, psize); 2924 2925 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf + psize, 2926 SPA_MAXBLOCKSIZE - psize) == 0); 2927 2928 VERIFY(random_get_pseudo_bytes((uint8_t *)pbuf2 + psize, 2929 SPA_MAXBLOCKSIZE - psize) == 0); 2930 2931 for (lsize = SPA_MAXBLOCKSIZE; lsize > psize; 2932 lsize -= SPA_MINBLOCKSIZE) { 2933 for (c = 0; c < ZIO_COMPRESS_FUNCTIONS; c++) { 2934 if (zio_decompress_data(c, pbuf, lbuf, 2935 psize, lsize) == 0 && 2936 zio_decompress_data(c, pbuf2, lbuf2, 2937 psize, lsize) == 0 && 2938 bcmp(lbuf, lbuf2, lsize) == 0) 2939 break; 2940 } 2941 if (c != ZIO_COMPRESS_FUNCTIONS) 2942 break; 2943 lsize -= SPA_MINBLOCKSIZE; 2944 } 2945 2946 umem_free(pbuf2, SPA_MAXBLOCKSIZE); 2947 umem_free(lbuf2, SPA_MAXBLOCKSIZE); 2948 2949 if (lsize <= psize) { 2950 (void) printf("Decompress of %s failed\n", thing); 2951 goto out; 2952 } 2953 buf = lbuf; 2954 size = lsize; 2955 } else { 2956 buf = pbuf; 2957 size = psize; 2958 } 2959 2960 if (flags & ZDB_FLAG_PRINT_BLKPTR) 2961 zdb_print_blkptr((blkptr_t *)(void *) 2962 ((uintptr_t)buf + (uintptr_t)blkptr_offset), flags); 2963 else if (flags & ZDB_FLAG_RAW) 2964 zdb_dump_block_raw(buf, size, flags); 2965 else if (flags & ZDB_FLAG_INDIRECT) 2966 zdb_dump_indirect((blkptr_t *)buf, size / sizeof (blkptr_t), 2967 flags); 2968 else if (flags & ZDB_FLAG_GBH) 2969 zdb_dump_gbh(buf, flags); 2970 else 2971 zdb_dump_block(thing, buf, size, flags); 2972 2973 out: 2974 umem_free(pbuf, SPA_MAXBLOCKSIZE); 2975 umem_free(lbuf, SPA_MAXBLOCKSIZE); 2976 free(dup); 2977 } 2978 2979 static boolean_t 2980 pool_match(nvlist_t *cfg, char *tgt) 2981 { 2982 uint64_t v, guid = strtoull(tgt, NULL, 0); 2983 char *s; 2984 2985 if (guid != 0) { 2986 if (nvlist_lookup_uint64(cfg, ZPOOL_CONFIG_POOL_GUID, &v) == 0) 2987 return (v == guid); 2988 } else { 2989 if (nvlist_lookup_string(cfg, ZPOOL_CONFIG_POOL_NAME, &s) == 0) 2990 return (strcmp(s, tgt) == 0); 2991 } 2992 return (B_FALSE); 2993 } 2994 2995 static char * 2996 find_zpool(char **target, nvlist_t **configp, int dirc, char **dirv) 2997 { 2998 nvlist_t *pools; 2999 nvlist_t *match = NULL; 3000 char *name = NULL; 3001 char *sepp = NULL; 3002 char sep; 3003 int count = 0; 3004 importargs_t args = { 0 }; 3005 3006 args.paths = dirc; 3007 args.path = dirv; 3008 args.can_be_active = B_TRUE; 3009 3010 if ((sepp = strpbrk(*target, "/@")) != NULL) { 3011 sep = *sepp; 3012 *sepp = '\0'; 3013 } 3014 3015 pools = zpool_search_import(g_zfs, &args); 3016 3017 if (pools != NULL) { 3018 nvpair_t *elem = NULL; 3019 while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) { 3020 verify(nvpair_value_nvlist(elem, configp) == 0); 3021 if (pool_match(*configp, *target)) { 3022 count++; 3023 if (match != NULL) { 3024 /* print previously found config */ 3025 if (name != NULL) { 3026 (void) printf("%s\n", name); 3027 dump_nvlist(match, 8); 3028 name = NULL; 3029 } 3030 (void) printf("%s\n", 3031 nvpair_name(elem)); 3032 dump_nvlist(*configp, 8); 3033 } else { 3034 match = *configp; 3035 name = nvpair_name(elem); 3036 } 3037 } 3038 } 3039 } 3040 if (count > 1) 3041 (void) fatal("\tMatched %d pools - use pool GUID " 3042 "instead of pool name or \n" 3043 "\tpool name part of a dataset name to select pool", count); 3044 3045 if (sepp) 3046 *sepp = sep; 3047 /* 3048 * If pool GUID was specified for pool id, replace it with pool name 3049 */ 3050 if (name && (strstr(*target, name) != *target)) { 3051 int sz = 1 + strlen(name) + ((sepp) ? strlen(sepp) : 0); 3052 3053 *target = umem_alloc(sz, UMEM_NOFAIL); 3054 (void) snprintf(*target, sz, "%s%s", name, sepp ? sepp : ""); 3055 } 3056 3057 *configp = name ? match : NULL; 3058 3059 return (name); 3060 } 3061 3062 int 3063 main(int argc, char **argv) 3064 { 3065 int i, c; 3066 struct rlimit rl = { 1024, 1024 }; 3067 spa_t *spa = NULL; 3068 objset_t *os = NULL; 3069 int dump_all = 1; 3070 int verbose = 0; 3071 int error = 0; 3072 char **searchdirs = NULL; 3073 int nsearch = 0; 3074 char *target; 3075 nvlist_t *policy = NULL; 3076 uint64_t max_txg = UINT64_MAX; 3077 int rewind = ZPOOL_NEVER_REWIND; 3078 3079 (void) setrlimit(RLIMIT_NOFILE, &rl); 3080 (void) enable_extended_FILE_stdio(-1, -1); 3081 3082 dprintf_setup(&argc, argv); 3083 3084 while ((c = getopt(argc, argv, "bcdhilmM:suCDRSAFLXevp:t:U:P")) != -1) { 3085 switch (c) { 3086 case 'b': 3087 case 'c': 3088 case 'd': 3089 case 'h': 3090 case 'i': 3091 case 'l': 3092 case 'm': 3093 case 's': 3094 case 'u': 3095 case 'C': 3096 case 'D': 3097 case 'R': 3098 case 'S': 3099 dump_opt[c]++; 3100 dump_all = 0; 3101 break; 3102 case 'A': 3103 case 'F': 3104 case 'L': 3105 case 'X': 3106 case 'e': 3107 case 'P': 3108 dump_opt[c]++; 3109 break; 3110 case 'v': 3111 verbose++; 3112 break; 3113 case 'M': 3114 max_inflight = strtoull(optarg, NULL, 0); 3115 if (max_inflight == 0) { 3116 (void) fprintf(stderr, "maximum number " 3117 "of inflight I/Os must be greater " 3118 "than 0\n"); 3119 usage(); 3120 } 3121 break; 3122 case 'p': 3123 if (searchdirs == NULL) { 3124 searchdirs = umem_alloc(sizeof (char *), 3125 UMEM_NOFAIL); 3126 } else { 3127 char **tmp = umem_alloc((nsearch + 1) * 3128 sizeof (char *), UMEM_NOFAIL); 3129 bcopy(searchdirs, tmp, nsearch * 3130 sizeof (char *)); 3131 umem_free(searchdirs, 3132 nsearch * sizeof (char *)); 3133 searchdirs = tmp; 3134 } 3135 searchdirs[nsearch++] = optarg; 3136 break; 3137 case 't': 3138 max_txg = strtoull(optarg, NULL, 0); 3139 if (max_txg < TXG_INITIAL) { 3140 (void) fprintf(stderr, "incorrect txg " 3141 "specified: %s\n", optarg); 3142 usage(); 3143 } 3144 break; 3145 case 'U': 3146 spa_config_path = optarg; 3147 break; 3148 default: 3149 usage(); 3150 break; 3151 } 3152 } 3153 3154 if (!dump_opt['e'] && searchdirs != NULL) { 3155 (void) fprintf(stderr, "-p option requires use of -e\n"); 3156 usage(); 3157 } 3158 3159 kernel_init(FREAD); 3160 g_zfs = libzfs_init(); 3161 ASSERT(g_zfs != NULL); 3162 3163 if (dump_all) 3164 verbose = MAX(verbose, 1); 3165 3166 for (c = 0; c < 256; c++) { 3167 if (dump_all && !strchr("elAFLRSXP", c)) 3168 dump_opt[c] = 1; 3169 if (dump_opt[c]) 3170 dump_opt[c] += verbose; 3171 } 3172 3173 aok = (dump_opt['A'] == 1) || (dump_opt['A'] > 2); 3174 zfs_recover = (dump_opt['A'] > 1); 3175 3176 argc -= optind; 3177 argv += optind; 3178 3179 if (argc < 2 && dump_opt['R']) 3180 usage(); 3181 if (argc < 1) { 3182 if (!dump_opt['e'] && dump_opt['C']) { 3183 dump_cachefile(spa_config_path); 3184 return (0); 3185 } 3186 usage(); 3187 } 3188 3189 if (dump_opt['l']) { 3190 dump_label(argv[0]); 3191 return (0); 3192 } 3193 3194 if (dump_opt['X'] || dump_opt['F']) 3195 rewind = ZPOOL_DO_REWIND | 3196 (dump_opt['X'] ? ZPOOL_EXTREME_REWIND : 0); 3197 3198 if (nvlist_alloc(&policy, NV_UNIQUE_NAME_TYPE, 0) != 0 || 3199 nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, max_txg) != 0 || 3200 nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind) != 0) 3201 fatal("internal error: %s", strerror(ENOMEM)); 3202 3203 error = 0; 3204 target = argv[0]; 3205 3206 if (dump_opt['e']) { 3207 nvlist_t *cfg = NULL; 3208 char *name = find_zpool(&target, &cfg, nsearch, searchdirs); 3209 3210 error = ENOENT; 3211 if (name) { 3212 if (dump_opt['C'] > 1) { 3213 (void) printf("\nConfiguration for import:\n"); 3214 dump_nvlist(cfg, 8); 3215 } 3216 if (nvlist_add_nvlist(cfg, 3217 ZPOOL_REWIND_POLICY, policy) != 0) { 3218 fatal("can't open '%s': %s", 3219 target, strerror(ENOMEM)); 3220 } 3221 if ((error = spa_import(name, cfg, NULL, 3222 ZFS_IMPORT_MISSING_LOG)) != 0) { 3223 error = spa_import(name, cfg, NULL, 3224 ZFS_IMPORT_VERBATIM); 3225 } 3226 } 3227 } 3228 3229 if (error == 0) { 3230 if (strpbrk(target, "/@") == NULL || dump_opt['R']) { 3231 error = spa_open_rewind(target, &spa, FTAG, policy, 3232 NULL); 3233 if (error) { 3234 /* 3235 * If we're missing the log device then 3236 * try opening the pool after clearing the 3237 * log state. 3238 */ 3239 mutex_enter(&spa_namespace_lock); 3240 if ((spa = spa_lookup(target)) != NULL && 3241 spa->spa_log_state == SPA_LOG_MISSING) { 3242 spa->spa_log_state = SPA_LOG_CLEAR; 3243 error = 0; 3244 } 3245 mutex_exit(&spa_namespace_lock); 3246 3247 if (!error) { 3248 error = spa_open_rewind(target, &spa, 3249 FTAG, policy, NULL); 3250 } 3251 } 3252 } else { 3253 error = dmu_objset_own(target, DMU_OST_ANY, 3254 B_TRUE, FTAG, &os); 3255 } 3256 } 3257 nvlist_free(policy); 3258 3259 if (error) 3260 fatal("can't open '%s': %s", target, strerror(error)); 3261 3262 argv++; 3263 argc--; 3264 if (!dump_opt['R']) { 3265 if (argc > 0) { 3266 zopt_objects = argc; 3267 zopt_object = calloc(zopt_objects, sizeof (uint64_t)); 3268 for (i = 0; i < zopt_objects; i++) { 3269 errno = 0; 3270 zopt_object[i] = strtoull(argv[i], NULL, 0); 3271 if (zopt_object[i] == 0 && errno != 0) 3272 fatal("bad number %s: %s", 3273 argv[i], strerror(errno)); 3274 } 3275 } 3276 if (os != NULL) { 3277 dump_dir(os); 3278 } else if (zopt_objects > 0 && !dump_opt['m']) { 3279 dump_dir(spa->spa_meta_objset); 3280 } else { 3281 dump_zpool(spa); 3282 } 3283 } else { 3284 flagbits['b'] = ZDB_FLAG_PRINT_BLKPTR; 3285 flagbits['c'] = ZDB_FLAG_CHECKSUM; 3286 flagbits['d'] = ZDB_FLAG_DECOMPRESS; 3287 flagbits['e'] = ZDB_FLAG_BSWAP; 3288 flagbits['g'] = ZDB_FLAG_GBH; 3289 flagbits['i'] = ZDB_FLAG_INDIRECT; 3290 flagbits['p'] = ZDB_FLAG_PHYS; 3291 flagbits['r'] = ZDB_FLAG_RAW; 3292 3293 for (i = 0; i < argc; i++) 3294 zdb_read_block(argv[i], spa); 3295 } 3296 3297 (os != NULL) ? dmu_objset_disown(os, FTAG) : spa_close(spa, FTAG); 3298 3299 fuid_table_destroy(); 3300 sa_loaded = B_FALSE; 3301 3302 libzfs_fini(g_zfs); 3303 kernel_fini(); 3304 3305 return (0); 3306 } 3307