| | 1 | /* |
| | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
| | 3 | * |
| | 4 | * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de> |
| | 5 | * |
| | 6 | * |
| | 7 | * This program is free software; you can redistribute it and/or modify |
| | 8 | * it under the terms of the GNU General Public License as published by |
| | 9 | * the Free Software Foundation; either version 2 of the License, or |
| | 10 | * (at your option) any later version. |
| | 11 | * |
| | 12 | * This program is distributed in the hope that it will be useful, |
| | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 15 | * GNU General Public License for more details. |
| | 16 | * |
| | 17 | * You should have received a copy of the GNU General Public License |
| | 18 | * along with this program; if not, write to the Free Software |
| | 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| | 20 | * |
| | 21 | * Author: Neil Brown |
| | 22 | * Email: <neilb@suse.de> |
| | 23 | */ |
| | 24 | |
| | 25 | #include "mdadm.h" |
| | 26 | #include "xmalloc.h" |
| | 27 | |
| | 28 | #include <ctype.h> |
| | 29 | #include <dirent.h> |
| | 30 | |
| | 31 | static int cmpstringp(const void *p1, const void *p2) |
| | 32 | { |
| | 33 | return strcmp(* (char * const *) p1, * (char * const *) p2); |
| | 34 | } |
| | 35 | |
| | 36 | static int add_device(const char *dev, char ***p_devices, |
| | 37 | int *p_max_devices, int n_devices) |
| | 38 | { |
| | 39 | if (n_devices + 1 >= *p_max_devices) { |
| | 40 | *p_max_devices += 16; |
| | 41 | *p_devices = xrealloc(*p_devices, *p_max_devices * |
| | 42 | sizeof(**p_devices)); |
| | 43 | if (!*p_devices) { |
| | 44 | *p_max_devices = 0; |
| | 45 | return 0; |
| | 46 | } |
| | 47 | }; |
| | 48 | (*p_devices)[n_devices] = xstrdup(dev); |
| | 49 | return n_devices + 1; |
| | 50 | } |
| | 51 | |
| | 52 | /** |
| | 53 | * detail_fname_from_uuid() - generate uuid string with special super1 handling. |
| | 54 | * @mp: map entry to parse. |
| | 55 | * @buf: buf to write. |
| | 56 | * |
| | 57 | * Hack to workaround an issue with super1 superblocks. It swapuuid set in order for assembly |
| | 58 | * to work, but can't have it set if we want this printout to match all the other uuid printouts |
| | 59 | * in super1.c, so we force swapuuid to 1 to make our printout match the rest of super1. |
| | 60 | * |
| | 61 | * Always convert uuid if host is big endian. |
| | 62 | */ |
| | 63 | char *detail_fname_from_uuid(struct map_ent *mp, char *buf) |
| | 64 | { |
| | 65 | #if __BYTE_ORDER == BIG_ENDIAN |
| | 66 | bool swap = true; |
| | 67 | #else |
| | 68 | bool swap = false; |
| | 69 | #endif |
| | 70 | if (strncmp(mp->metadata, "1.", 2) == 0) |
| | 71 | swap = true; |
| | 72 | |
| | 73 | return __fname_from_uuid(mp->uuid, swap, buf, ':'); |
| | 74 | } |
| | 75 | |
| | 76 | int Detail(char *dev, struct context *c) |
| | 77 | { |
| | 78 | /* |
| | 79 | * Print out details for an md array |
| | 80 | */ |
| | 81 | int fd = open(dev, O_RDONLY); |
| | 82 | mdu_array_info_t array; |
| | 83 | mdu_disk_info_t *disks = NULL; |
| | 84 | int next; |
| | 85 | int d; |
| | 86 | time_t atime; |
| | 87 | char *str; |
| | 88 | char **devices = NULL; |
| | 89 | int max_devices = 0, n_devices = 0; |
| | 90 | int spares = 0; |
| | 91 | struct stat stb; |
| | 92 | int failed = 0; |
| | 93 | struct supertype *st = NULL; |
| | 94 | char *subarray = NULL; |
| | 95 | int max_disks = MD_SB_DISKS; /* just a default */ |
| | 96 | struct mdinfo *info = NULL; |
| | 97 | struct mdinfo *sra = NULL; |
| | 98 | struct mdinfo *subdev; |
| | 99 | char *member = NULL; |
| | 100 | char *container = NULL; |
| | 101 | |
| | 102 | int rv = c->test ? 4 : 1; |
| | 103 | int avail_disks = 0; |
| | 104 | char *avail = NULL; |
| | 105 | int external; |
| | 106 | int inactive; |
| | 107 | int is_container = 0; |
| | 108 | char *arrayst; |
| | 109 | |
| | 110 | if (fd < 0) { |
| | 111 | pr_err("cannot open %s: %s\n", |
| | 112 | dev, strerror(errno)); |
| | 113 | return rv; |
| | 114 | } |
| | 115 | sra = sysfs_read(fd, NULL, GET_VERSION | GET_DEVS | |
| | 116 | GET_ARRAY_STATE | GET_STATE); |
| | 117 | if (!sra) { |
| | 118 | if (md_get_array_info(fd, &array)) { |
| | 119 | pr_err("%s does not appear to be an md device\n", dev); |
| | 120 | goto out; |
| | 121 | } |
| | 122 | } |
| | 123 | external = (sra != NULL && sra->array.major_version == -1 && |
| | 124 | sra->array.minor_version == -2); |
| | 125 | inactive = (sra != NULL && !md_array_is_active(sra)); |
| | 126 | st = super_by_fd(fd, &subarray); |
| | 127 | if (md_get_array_info(fd, &array)) { |
| | 128 | if (errno == ENODEV) { |
| | 129 | if (sra->array.major_version == -1 && |
| | 130 | sra->array.minor_version == -1 && |
| | 131 | sra->devs == NULL) { |
| | 132 | pr_err("Array associated with md device %s does not exist.\n", |
| | 133 | dev); |
| | 134 | goto out; |
| | 135 | } |
| | 136 | array = sra->array; |
| | 137 | } else { |
| | 138 | pr_err("cannot get array detail for %s: %s\n", |
| | 139 | dev, strerror(errno)); |
| | 140 | goto out; |
| | 141 | } |
| | 142 | } |
| | 143 | |
| | 144 | if (array.raid_disks == 0 && external) |
| | 145 | is_container = 1; |
| | 146 | if (fstat(fd, &stb) != 0 && !S_ISBLK(stb.st_mode)) |
| | 147 | stb.st_rdev = 0; |
| | 148 | rv = 0; |
| | 149 | |
| | 150 | if (st) |
| | 151 | max_disks = st->max_devs; |
| | 152 | |
| | 153 | if (subarray) { |
| | 154 | /* This is a subarray of some container. |
| | 155 | * We want the name of the container, and the member |
| | 156 | */ |
| | 157 | dev_t devid = devnm2devid(st->container_devnm); |
| | 158 | int cfd, err; |
| | 159 | |
| | 160 | member = subarray; |
| | 161 | container = map_dev_preferred(major(devid), minor(devid), |
| | 162 | 1, c->prefer); |
| | 163 | cfd = open_dev(st->container_devnm); |
| | 164 | if (cfd >= 0) { |
| | 165 | err = st->ss->load_container(st, cfd, NULL); |
| | 166 | close(cfd); |
| | 167 | if (err == 0) |
| | 168 | info = st->ss->container_content(st, subarray); |
| | 169 | } |
| | 170 | } |
| | 171 | |
| | 172 | /* try to load a superblock. Try sra->devs first, then try ioctl */ |
| | 173 | if (st && !info) |
| | 174 | for (d = 0, subdev = sra ? sra->devs : NULL; |
| | 175 | d < max_disks || subdev; |
| | 176 | subdev ? (void)(subdev = subdev->next) : (void)(d++)){ |
| | 177 | mdu_disk_info_t disk; |
| | 178 | char *dv; |
| | 179 | int fd2; |
| | 180 | int err; |
| | 181 | |
| | 182 | if (subdev) |
| | 183 | disk = subdev->disk; |
| | 184 | else { |
| | 185 | disk.number = d; |
| | 186 | if (md_get_disk_info(fd, &disk) < 0) |
| | 187 | continue; |
| | 188 | if (d >= array.raid_disks && |
| | 189 | disk.major == 0 && disk.minor == 0) |
| | 190 | continue; |
| | 191 | } |
| | 192 | |
| | 193 | if (array.raid_disks > 0 && |
| | 194 | (disk.state & (1 << MD_DISK_ACTIVE)) == 0) |
| | 195 | continue; |
| | 196 | |
| | 197 | dv = map_dev(disk.major, disk.minor, 1); |
| | 198 | if (!dv) |
| | 199 | continue; |
| | 200 | |
| | 201 | fd2 = dev_open(dv, O_RDONLY); |
| | 202 | if (fd2 < 0) |
| | 203 | continue; |
| | 204 | |
| | 205 | if (st->sb) |
| | 206 | st->ss->free_super(st); |
| | 207 | |
| | 208 | err = st->ss->load_super(st, fd2, NULL); |
| | 209 | close(fd2); |
| | 210 | if (err) |
| | 211 | continue; |
| | 212 | if (info) |
| | 213 | free(info); |
| | 214 | if (subarray) |
| | 215 | info = st->ss->container_content(st, subarray); |
| | 216 | else { |
| | 217 | info = xmalloc(sizeof(*info)); |
| | 218 | st->ss->getinfo_super(st, info, NULL); |
| | 219 | } |
| | 220 | if (!info) |
| | 221 | continue; |
| | 222 | |
| | 223 | if (array.raid_disks != 0 && /* container */ |
| | 224 | (info->array.ctime != array.ctime || |
| | 225 | info->array.level != array.level)) { |
| | 226 | st->ss->free_super(st); |
| | 227 | continue; |
| | 228 | } |
| | 229 | /* some formats (imsm) have free-floating-spares |
| | 230 | * with a uuid of uuid_zero, they don't |
| | 231 | * have very good info about the rest of the |
| | 232 | * container, so keep searching when |
| | 233 | * encountering such a device. Otherwise, stop |
| | 234 | * after the first successful call to |
| | 235 | * ->load_super. |
| | 236 | */ |
| | 237 | if (memcmp(uuid_zero, |
| | 238 | info->uuid, |
| | 239 | sizeof(uuid_zero)) == 0) { |
| | 240 | st->ss->free_super(st); |
| | 241 | continue; |
| | 242 | } |
| | 243 | break; |
| | 244 | } |
| | 245 | |
| | 246 | /* Ok, we have some info to print... */ |
| | 247 | if (inactive && info) |
| | 248 | str = map_num(pers, info->array.level); |
| | 249 | else |
| | 250 | str = map_num(pers, array.level); |
| | 251 | |
| | 252 | if (c->export) { |
| | 253 | char nbuf[64]; |
| | 254 | struct map_ent *mp = NULL, *map = NULL; |
| | 255 | |
| | 256 | if (array.raid_disks) { |
| | 257 | if (str) |
| | 258 | printf("MD_LEVEL=%s\n", str); |
| | 259 | printf("MD_DEVICES=%d\n", array.raid_disks); |
| | 260 | } else { |
| | 261 | if (is_container) |
| | 262 | printf("MD_LEVEL=container\n"); |
| | 263 | printf("MD_DEVICES=%d\n", array.nr_disks); |
| | 264 | } |
| | 265 | if (container) { |
| | 266 | printf("MD_CONTAINER=%s\n", container); |
| | 267 | printf("MD_MEMBER=%s\n", member); |
| | 268 | } else { |
| | 269 | if (sra && sra->array.major_version < 0) |
| | 270 | printf("MD_METADATA=%s\n", sra->text_version); |
| | 271 | else |
| | 272 | printf("MD_METADATA=%d.%d\n", |
| | 273 | array.major_version, |
| | 274 | array.minor_version); |
| | 275 | } |
| | 276 | |
| | 277 | if (info && memcmp(info->uuid, uuid_zero, sizeof(int[4])) != 0) |
| | 278 | mp = map_by_uuid(&map, info->uuid); |
| | 279 | if (!mp) |
| | 280 | mp = map_by_devnm(&map, fd2devnm(fd)); |
| | 281 | |
| | 282 | if (mp) { |
| | 283 | detail_fname_from_uuid(mp, nbuf); |
| | 284 | printf("MD_UUID=%s\n", nbuf + 5); |
| | 285 | if (mp->path && strncmp(mp->path, DEV_MD_DIR, DEV_MD_DIR_LEN) == 0) |
| | 286 | printf("MD_DEVNAME=%s\n", mp->path + DEV_MD_DIR_LEN); |
| | 287 | } |
| | 288 | |
| | 289 | map_free(map); |
| | 290 | if (st && st->sb) { |
| | 291 | if (info) |
| | 292 | printf("MD_RESHAPE_ACTIVE=%s\n", |
| | 293 | info->reshape_active ? "True" : "False"); |
| | 294 | if (st->ss->export_detail_super) |
| | 295 | st->ss->export_detail_super(st); |
| | 296 | } |
| | 297 | if (!c->no_devices && sra) { |
| | 298 | struct mdinfo *mdi; |
| | 299 | for (mdi = sra->devs; mdi; mdi = mdi->next) { |
| | 300 | char *path; |
| | 301 | char *sysdev = xstrdup(mdi->sys_name); |
| | 302 | char *cp; |
| | 303 | |
| | 304 | path = map_dev(mdi->disk.major, |
| | 305 | mdi->disk.minor, 0); |
| | 306 | for (cp = sysdev; *cp; cp++) |
| | 307 | if (!isalnum(*cp)) |
| | 308 | *cp = '_'; |
| | 309 | |
| | 310 | if (mdi->disk.raid_disk >= 0) |
| | 311 | printf("MD_DEVICE_%s_ROLE=%d\n", |
| | 312 | sysdev, |
| | 313 | mdi->disk.raid_disk); |
| | 314 | else |
| | 315 | printf("MD_DEVICE_%s_ROLE=spare\n", |
| | 316 | sysdev); |
| | 317 | if (path) |
| | 318 | printf("MD_DEVICE_%s_DEV=%s\n", |
| | 319 | sysdev, path); |
| | 320 | free(sysdev); |
| | 321 | } |
| | 322 | } |
| | 323 | goto out; |
| | 324 | } |
| | 325 | |
| | 326 | disks = xmalloc(max_disks * 2 * sizeof(mdu_disk_info_t)); |
| | 327 | for (d = 0; d < max_disks * 2; d++) { |
| | 328 | disks[d].state = (1 << MD_DISK_REMOVED); |
| | 329 | disks[d].major = disks[d].minor = 0; |
| | 330 | disks[d].number = -1; |
| | 331 | disks[d].raid_disk = d / 2; |
| | 332 | } |
| | 333 | |
| | 334 | next = array.raid_disks * 2; |
| | 335 | if (inactive) { |
| | 336 | struct mdinfo *mdi; |
| | 337 | for (mdi = sra->devs; mdi; mdi = mdi->next) { |
| | 338 | disks[next++] = mdi->disk; |
| | 339 | disks[next - 1].number = -1; |
| | 340 | } |
| | 341 | } else for (d = 0; d < max_disks; d++) { |
| | 342 | mdu_disk_info_t disk; |
| | 343 | disk.number = d; |
| | 344 | if (md_get_disk_info(fd, &disk) < 0) { |
| | 345 | if (d < array.raid_disks) |
| | 346 | pr_err("cannot get device detail for device %d: %s\n", |
| | 347 | d, strerror(errno)); |
| | 348 | continue; |
| | 349 | } |
| | 350 | if (disk.major == 0 && disk.minor == 0) |
| | 351 | continue; |
| | 352 | if (disk.raid_disk >= 0 && disk.raid_disk < array.raid_disks && |
| | 353 | disks[disk.raid_disk * 2].state == (1 << MD_DISK_REMOVED) && |
| | 354 | ((disk.state & (1 << MD_DISK_JOURNAL)) == 0)) |
| | 355 | disks[disk.raid_disk * 2] = disk; |
| | 356 | else if (disk.raid_disk >= 0 && |
| | 357 | disk.raid_disk < array.raid_disks && |
| | 358 | disks[disk.raid_disk * 2 + 1].state == |
| | 359 | (1 << MD_DISK_REMOVED) && |
| | 360 | !(disk.state & (1 << MD_DISK_JOURNAL))) |
| | 361 | disks[disk.raid_disk * 2 + 1] = disk; |
| | 362 | else if (next < max_disks * 2) |
| | 363 | disks[next++] = disk; |
| | 364 | } |
| | 365 | |
| | 366 | avail = xcalloc(array.raid_disks, 1); |
| | 367 | |
| | 368 | for (d = 0; d < array.raid_disks; d++) { |
| | 369 | char dv[PATH_MAX], dv_rep[PATH_MAX]; |
| | 370 | snprintf(dv, PATH_MAX, "/sys/dev/block/%d:%d", |
| | 371 | disks[d*2].major, disks[d*2].minor); |
| | 372 | snprintf(dv_rep, PATH_MAX, "/sys/dev/block/%d:%d", |
| | 373 | disks[d*2+1].major, disks[d*2+1].minor); |
| | 374 | |
| | 375 | if ((is_dev_alive(dv) && (disks[d*2].state & (1<<MD_DISK_SYNC))) || |
| | 376 | (is_dev_alive(dv_rep) && (disks[d*2+1].state & (1<<MD_DISK_SYNC)))) { |
| | 377 | avail_disks ++; |
| | 378 | avail[d] = 1; |
| | 379 | } else |
| | 380 | rv |= !! c->test; |
| | 381 | } |
| | 382 | |
| | 383 | if (c->brief) { |
| | 384 | mdu_bitmap_file_t bmf; |
| | 385 | if (inactive && !is_container) |
| | 386 | printf("INACTIVE-ARRAY %s", dev); |
| | 387 | else |
| | 388 | printf("ARRAY %s", dev); |
| | 389 | if (c->verbose > 0) { |
| | 390 | if (array.raid_disks) |
| | 391 | printf(" level=%s num-devices=%d", |
| | 392 | str ? str : "-unknown-", |
| | 393 | array.raid_disks); |
| | 394 | else if (is_container) |
| | 395 | printf(" level=container num-devices=%d", |
| | 396 | array.nr_disks); |
| | 397 | else |
| | 398 | printf(" num-devices=%d", array.nr_disks); |
| | 399 | } |
| | 400 | if (container) { |
| | 401 | printf(" container=%s", container); |
| | 402 | printf(" member=%s", member); |
| | 403 | } else { |
| | 404 | if (sra && sra->array.major_version < 0) |
| | 405 | printf(" metadata=%s", sra->text_version); |
| | 406 | else |
| | 407 | printf(" metadata=%d.%d", array.major_version, |
| | 408 | array.minor_version); |
| | 409 | } |
| | 410 | |
| | 411 | /* Only try GET_BITMAP_FILE for 0.90.01 and later */ |
| | 412 | if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && bmf.pathname[0]) { |
| | 413 | printf(" bitmap=%s", bmf.pathname); |
| | 414 | } |
| | 415 | } else { |
| | 416 | mdu_bitmap_file_t bmf; |
| | 417 | unsigned long long larray_size; |
| | 418 | struct mdstat_ent *ms = mdstat_read(0, 0); |
| | 419 | struct mdstat_ent *e; |
| | 420 | char *devnm; |
| | 421 | |
| | 422 | devnm = stat2devnm(&stb); |
| | 423 | for (e = ms; e; e = e->next) |
| | 424 | if (strcmp(e->devnm, devnm) == 0) |
| | 425 | break; |
| | 426 | if (!get_dev_size(fd, NULL, &larray_size)) |
| | 427 | larray_size = 0; |
| | 428 | |
| | 429 | printf("%s:\n", dev); |
| | 430 | |
| | 431 | if (container) |
| | 432 | printf(" Container : %s, member %s\n", |
| | 433 | container, member); |
| | 434 | else { |
| | 435 | if (sra && sra->array.major_version < 0) |
| | 436 | printf(" Version : %s\n", |
| | 437 | sra->text_version); |
| | 438 | else |
| | 439 | printf(" Version : %d.%d\n", |
| | 440 | array.major_version, |
| | 441 | array.minor_version); |
| | 442 | } |
| | 443 | |
| | 444 | atime = array.ctime; |
| | 445 | if (atime) |
| | 446 | printf(" Creation Time : %.24s\n", ctime(&atime)); |
| | 447 | if (is_container) |
| | 448 | str = "container"; |
| | 449 | if (str) |
| | 450 | printf(" Raid Level : %s\n", str); |
| | 451 | if (larray_size) |
| | 452 | printf(" Array Size : %llu%s\n", |
| | 453 | (larray_size >> 10), |
| | 454 | human_size(larray_size)); |
| | 455 | if (array.level >= 1) { |
| | 456 | if (sra) |
| | 457 | array.major_version = sra->array.major_version; |
| | 458 | if (array.major_version != 0 && |
| | 459 | (larray_size >= 0xFFFFFFFFULL|| array.size == 0)) { |
| | 460 | unsigned long long dsize; |
| | 461 | |
| | 462 | dsize = get_component_size(fd); |
| | 463 | if (dsize > 0) |
| | 464 | printf(" Used Dev Size : %llu%s\n", |
| | 465 | dsize/2, |
| | 466 | human_size((long long)dsize<<9)); |
| | 467 | else |
| | 468 | printf(" Used Dev Size : unknown\n"); |
| | 469 | } else |
| | 470 | printf(" Used Dev Size : %lu%s\n", |
| | 471 | (unsigned long)array.size, |
| | 472 | human_size((unsigned long long) |
| | 473 | array.size << 10)); |
| | 474 | } |
| | 475 | if (array.raid_disks) |
| | 476 | printf(" Raid Devices : %d\n", array.raid_disks); |
| | 477 | printf(" Total Devices : %d\n", array.nr_disks); |
| | 478 | if (!container && |
| | 479 | ((sra == NULL && array.major_version == 0) || |
| | 480 | (sra && sra->array.major_version == 0))) |
| | 481 | printf(" Preferred Minor : %d\n", array.md_minor); |
| | 482 | if (sra == NULL || sra->array.major_version >= 0) |
| | 483 | printf(" Persistence : Superblock is %spersistent\n", |
| | 484 | array.not_persistent ? "not " : ""); |
| | 485 | printf("\n"); |
| | 486 | /* Only try GET_BITMAP_FILE for 0.90.01 and later */ |
| | 487 | if (ioctl(fd, GET_BITMAP_FILE, &bmf) == 0 && bmf.pathname[0]) { |
| | 488 | printf(" Intent Bitmap : %s\n", bmf.pathname); |
| | 489 | printf("\n"); |
| | 490 | } else if (array.state & (1<<MD_SB_CLUSTERED)) |
| | 491 | printf(" Intent Bitmap : Internal(Clustered)\n\n"); |
| | 492 | else if (array.state & (1<<MD_SB_BITMAP_PRESENT)) |
| | 493 | printf(" Intent Bitmap : Internal\n\n"); |
| | 494 | atime = array.utime; |
| | 495 | if (atime) |
| | 496 | printf(" Update Time : %.24s\n", ctime(&atime)); |
| | 497 | if (array.raid_disks) { |
| | 498 | static char *sync_action[] = { |
| | 499 | ", recovering", ", resyncing", |
| | 500 | ", reshaping", ", checking" }; |
| | 501 | char *st; |
| | 502 | if (avail_disks == array.raid_disks) |
| | 503 | st = ""; |
| | 504 | else if (!enough(array.level, array.raid_disks, |
| | 505 | array.layout, 1, avail)) |
| | 506 | st = ", FAILED"; |
| | 507 | else |
| | 508 | st = ", degraded"; |
| | 509 | |
| | 510 | if (array.state & (1 << MD_SB_CLEAN)) { |
| | 511 | if ((array.level == 0) || |
| | 512 | (array.level == LEVEL_LINEAR)) |
| | 513 | arrayst = map_num_s(sysfs_array_states, |
| | 514 | sra->array_state); |
| | 515 | else |
| | 516 | arrayst = "clean"; |
| | 517 | } else { |
| | 518 | arrayst = "active"; |
| | 519 | if (array.state & (1<<MD_SB_CLUSTERED)) { |
| | 520 | for (d = 0; d < max_disks * 2; d++) { |
| | 521 | char *dv; |
| | 522 | mdu_disk_info_t disk = disks[d]; |
| | 523 | |
| | 524 | /* only check first valid disk in cluster env */ |
| | 525 | if ((disk.state & (MD_DISK_SYNC | MD_DISK_ACTIVE)) |
| | 526 | && (disk.major | disk.minor)) { |
| | 527 | dv = map_dev_preferred(disk.major, disk.minor, 0, |
| | 528 | c->prefer); |
| | 529 | if (!dv) |
| | 530 | continue; |
| | 531 | arrayst = IsBitmapDirty(dv) ? "active" : "clean"; |
| | 532 | break; |
| | 533 | } |
| | 534 | } |
| | 535 | } |
| | 536 | } |
| | 537 | |
| | 538 | printf(" State : %s%s%s%s%s%s%s \n", |
| | 539 | arrayst, st, |
| | 540 | (!e || (e->percent < 0 && |
| | 541 | e->percent != RESYNC_PENDING && |
| | 542 | e->percent != RESYNC_DELAYED && |
| | 543 | e->percent != RESYNC_REMOTE)) ? |
| | 544 | "" : sync_action[e->resync], |
| | 545 | larray_size ? "": ", Not Started", |
| | 546 | (e && e->percent == RESYNC_DELAYED) ? |
| | 547 | " (DELAYED)": "", |
| | 548 | (e && e->percent == RESYNC_PENDING) ? |
| | 549 | " (PENDING)": "", |
| | 550 | (e && e->percent == RESYNC_REMOTE) ? |
| | 551 | " (REMOTE)": ""); |
| | 552 | } else if (inactive && !is_container) { |
| | 553 | printf(" State : inactive\n"); |
| | 554 | } |
| | 555 | printf(" Active Devices : %d\n", array.active_disks); |
| | 556 | printf(" Working Devices : %d\n", array.working_disks); |
| | 557 | printf(" Failed Devices : %d\n", array.failed_disks); |
| | 558 | printf(" Spare Devices : %d\n", array.spare_disks); |
| | 559 | printf("\n"); |
| | 560 | if (array.level == 5) { |
| | 561 | str = map_num(r5layout, array.layout); |
| | 562 | printf(" Layout : %s\n", |
| | 563 | str ? str : "-unknown-"); |
| | 564 | } |
| | 565 | if (array.level == 0 && array.layout) { |
| | 566 | str = map_num(r0layout, array.layout); |
| | 567 | printf(" Layout : %s\n", |
| | 568 | str ? str : "-unknown-"); |
| | 569 | } |
| | 570 | if (array.level == 6) { |
| | 571 | str = map_num(r6layout, array.layout); |
| | 572 | printf(" Layout : %s\n", |
| | 573 | str ? str : "-unknown-"); |
| | 574 | } |
| | 575 | if (array.level == 10) { |
| | 576 | printf(" Layout :"); |
| | 577 | print_r10_layout(array.layout); |
| | 578 | printf("\n"); |
| | 579 | } |
| | 580 | switch (array.level) { |
| | 581 | case 0: |
| | 582 | case 4: |
| | 583 | case 5: |
| | 584 | case 10: |
| | 585 | case 6: |
| | 586 | if (array.chunk_size) |
| | 587 | printf(" Chunk Size : %dK\n\n", |
| | 588 | array.chunk_size/1024); |
| | 589 | break; |
| | 590 | case -1: |
| | 591 | printf(" Rounding : %dK\n\n", |
| | 592 | array.chunk_size/1024); |
| | 593 | break; |
| | 594 | default: |
| | 595 | break; |
| | 596 | } |
| | 597 | |
| | 598 | if (array.raid_disks) { |
| | 599 | struct mdinfo *mdi; |
| | 600 | |
| | 601 | mdi = sysfs_read(fd, NULL, GET_CONSISTENCY_POLICY); |
| | 602 | if (mdi) { |
| | 603 | char *policy = map_num(consistency_policies, |
| | 604 | mdi->consistency_policy); |
| | 605 | sysfs_free(mdi); |
| | 606 | if (policy) |
| | 607 | printf("Consistency Policy : %s\n\n", |
| | 608 | policy); |
| | 609 | } |
| | 610 | } |
| | 611 | |
| | 612 | if (e && e->percent >= 0) { |
| | 613 | static char *sync_action[] = { |
| | 614 | "Rebuild", "Resync", "Reshape", "Check"}; |
| | 615 | printf(" %7s Status : %d%% complete\n", |
| | 616 | sync_action[e->resync], e->percent); |
| | 617 | } |
| | 618 | |
| | 619 | if ((st && st->sb) && (info && info->reshape_active)) { |
| | 620 | if (info->delta_disks != 0) |
| | 621 | printf(" Delta Devices : %d, (%d->%d)\n", |
| | 622 | info->delta_disks, |
| | 623 | array.raid_disks - info->delta_disks, |
| | 624 | array.raid_disks); |
| | 625 | if (info->new_level != array.level) { |
| | 626 | str = map_num(pers, info->new_level); |
| | 627 | printf(" New Level : %s\n", |
| | 628 | str ? str : "-unknown-"); |
| | 629 | } |
| | 630 | if (info->new_level != array.level || |
| | 631 | info->new_layout != array.layout) { |
| | 632 | if (info->new_level == 5) { |
| | 633 | str = map_num(r5layout, |
| | 634 | info->new_layout); |
| | 635 | printf(" New Layout : %s\n", |
| | 636 | str ? str : "-unknown-"); |
| | 637 | } |
| | 638 | if (info->new_level == 6) { |
| | 639 | str = map_num(r6layout, |
| | 640 | info->new_layout); |
| | 641 | printf(" New Layout : %s\n", |
| | 642 | str ? str : "-unknown-"); |
| | 643 | } |
| | 644 | if (info->new_level == 10) { |
| | 645 | printf(" New Layout : near=%d, %s=%d\n", |
| | 646 | info->new_layout & 255, |
| | 647 | (info->new_layout & 0x10000) ? |
| | 648 | "offset" : "far", |
| | 649 | (info->new_layout >> 8) & 255); |
| | 650 | } |
| | 651 | } |
| | 652 | if (info->new_chunk != array.chunk_size) |
| | 653 | printf(" New Chunksize : %dK\n", |
| | 654 | info->new_chunk/1024); |
| | 655 | printf("\n"); |
| | 656 | } else if (e && e->percent >= 0) |
| | 657 | printf("\n"); |
| | 658 | free_mdstat(ms); |
| | 659 | |
| | 660 | if (st && st->sb) |
| | 661 | st->ss->detail_super(st, c->homehost, subarray); |
| | 662 | |
| | 663 | if (array.raid_disks == 0 && sra && |
| | 664 | sra->array.major_version == -1 && |
| | 665 | sra->array.minor_version == -2 && |
| | 666 | sra->text_version[0] != '/') { |
| | 667 | /* This looks like a container. Find any active arrays |
| | 668 | * That claim to be a member. |
| | 669 | */ |
| | 670 | DIR *dir = opendir("/sys/block"); |
| | 671 | struct dirent *de; |
| | 672 | |
| | 673 | printf(" Member Arrays :"); |
| | 674 | |
| | 675 | while (dir && (de = readdir(dir)) != NULL) { |
| | 676 | char path[287]; |
| | 677 | char vbuf[1024]; |
| | 678 | int nlen = strlen(sra->sys_name); |
| | 679 | dev_t devid; |
| | 680 | if (de->d_name[0] == '.') |
| | 681 | continue; |
| | 682 | sprintf(path, |
| | 683 | "/sys/block/%s/md/metadata_version", |
| | 684 | de->d_name); |
| | 685 | if (load_sys(path, vbuf, sizeof(vbuf)) < 0) |
| | 686 | continue; |
| | 687 | if (strncmp(vbuf, "external:", 9) || |
| | 688 | !is_subarray(vbuf + 9) || |
| | 689 | strncmp(vbuf + 10, sra->sys_name, nlen) || |
| | 690 | vbuf[10 + nlen] != '/') |
| | 691 | continue; |
| | 692 | devid = devnm2devid(de->d_name); |
| | 693 | printf(" %s", |
| | 694 | map_dev_preferred(major(devid), |
| | 695 | minor(devid), 1, |
| | 696 | c->prefer)); |
| | 697 | } |
| | 698 | if (dir) |
| | 699 | closedir(dir); |
| | 700 | printf("\n\n"); |
| | 701 | } |
| | 702 | |
| | 703 | if (!c->no_devices) { |
| | 704 | if (array.raid_disks) |
| | 705 | printf(" Number Major Minor RaidDevice State\n"); |
| | 706 | else |
| | 707 | printf(" Number Major Minor RaidDevice\n"); |
| | 708 | } |
| | 709 | } |
| | 710 | |
| | 711 | /* if --no_devices specified, not print component devices info */ |
| | 712 | if (c->no_devices) |
| | 713 | goto skip_devices_state; |
| | 714 | |
| | 715 | for (d = 0; d < max_disks * 2; d++) { |
| | 716 | char *dv; |
| | 717 | mdu_disk_info_t disk = disks[d]; |
| | 718 | |
| | 719 | if (d >= array.raid_disks * 2 && |
| | 720 | disk.major == 0 && disk.minor == 0) |
| | 721 | continue; |
| | 722 | if ((d & 1) && disk.major == 0 && disk.minor == 0) |
| | 723 | continue; |
| | 724 | if (!c->brief) { |
| | 725 | if (d == array.raid_disks*2) |
| | 726 | printf("\n"); |
| | 727 | if (disk.number < 0 && disk.raid_disk < 0) |
| | 728 | printf(" - %5d %5d - ", |
| | 729 | disk.major, disk.minor); |
| | 730 | else if (disk.raid_disk < 0 || |
| | 731 | disk.state & (1 << MD_DISK_JOURNAL)) |
| | 732 | printf(" %5d %5d %5d - ", |
| | 733 | disk.number, disk.major, disk.minor); |
| | 734 | else if (disk.number < 0) |
| | 735 | printf(" - %5d %5d %5d ", |
| | 736 | disk.major, disk.minor, disk.raid_disk); |
| | 737 | else |
| | 738 | printf(" %5d %5d %5d %5d ", |
| | 739 | disk.number, disk.major, disk.minor, |
| | 740 | disk.raid_disk); |
| | 741 | } |
| | 742 | if (!c->brief && array.raid_disks) { |
| | 743 | if (disk.state & (1 << MD_DISK_FAULTY)) { |
| | 744 | printf(" faulty"); |
| | 745 | if (disk.raid_disk < array.raid_disks && |
| | 746 | disk.raid_disk >= 0) |
| | 747 | failed++; |
| | 748 | } |
| | 749 | if (disk.state & (1 << MD_DISK_ACTIVE)) |
| | 750 | printf(" active"); |
| | 751 | if (disk.state & (1 << MD_DISK_SYNC)) { |
| | 752 | printf(" sync"); |
| | 753 | if (array.level == 10 && |
| | 754 | (array.layout & ~0x1FFFF) == 0) { |
| | 755 | int nc = array.layout & 0xff; |
| | 756 | int fc = (array.layout >> 8) & 0xff; |
| | 757 | int copies = nc*fc; |
| | 758 | if (fc == 1 && |
| | 759 | array.raid_disks % copies == 0 && |
| | 760 | copies <= 26) { |
| | 761 | /* We can divide the devices |
| | 762 | into 'sets' */ |
| | 763 | int set; |
| | 764 | set = disk.raid_disk % copies; |
| | 765 | printf(" set-%c", set + 'A'); |
| | 766 | } |
| | 767 | } |
| | 768 | } |
| | 769 | if (disk.state & (1 << MD_DISK_REMOVED)) |
| | 770 | printf(" removed"); |
| | 771 | if (disk.state & (1 << MD_DISK_WRITEMOSTLY)) |
| | 772 | printf(" writemostly"); |
| | 773 | if (disk.state & (1 << MD_DISK_FAILFAST)) |
| | 774 | printf(" failfast"); |
| | 775 | if (disk.state & (1 << MD_DISK_JOURNAL)) |
| | 776 | printf(" journal"); |
| | 777 | if ((disk.state & |
| | 778 | ((1 << MD_DISK_ACTIVE) | (1 << MD_DISK_SYNC) | |
| | 779 | (1 << MD_DISK_REMOVED) | (1 << MD_DISK_FAULTY) | |
| | 780 | (1 << MD_DISK_JOURNAL))) == 0) { |
| | 781 | printf(" spare"); |
| | 782 | if (disk.raid_disk < array.raid_disks && |
| | 783 | disk.raid_disk >= 0) |
| | 784 | printf(" rebuilding"); |
| | 785 | } |
| | 786 | } |
| | 787 | if (disk.state == 0) |
| | 788 | spares++; |
| | 789 | dv = map_dev_preferred(disk.major, disk.minor, 0, c->prefer); |
| | 790 | if (dv != NULL) { |
| | 791 | if (c->brief) |
| | 792 | n_devices = add_device(dv, &devices, |
| | 793 | &max_devices, n_devices); |
| | 794 | else |
| | 795 | printf(" %s", dv); |
| | 796 | } else if (disk.major | disk.minor) |
| | 797 | printf(" missing"); |
| | 798 | if (!c->brief) |
| | 799 | printf("\n"); |
| | 800 | } |
| | 801 | |
| | 802 | skip_devices_state: |
| | 803 | if (spares && c->brief && array.raid_disks) |
| | 804 | printf(" spares=%d", spares); |
| | 805 | if (c->brief && st && st->sb) |
| | 806 | st->ss->brief_detail_super(st, subarray); |
| | 807 | if (st) |
| | 808 | st->ss->free_super(st); |
| | 809 | |
| | 810 | if (c->brief && c->verbose > 0 && devices) { |
| | 811 | qsort(devices, n_devices, sizeof(*devices), cmpstringp); |
| | 812 | printf("\n devices=%s", devices[0]); |
| | 813 | for (d = 1; d < n_devices; d++) |
| | 814 | printf(",%s", devices[d]); |
| | 815 | } |
| | 816 | if (c->brief) |
| | 817 | printf("\n"); |
| | 818 | if (c->test && |
| | 819 | !enough(array.level, array.raid_disks, array.layout, 1, avail)) |
| | 820 | rv = 2; |
| | 821 | |
| | 822 | out: |
| | 823 | free(info); |
| | 824 | free(disks); |
| | 825 | close(fd); |
| | 826 | free(subarray); |
| | 827 | free(avail); |
| | 828 | if (devices) |
| | 829 | for (d = 0; d < n_devices; d++) |
| | 830 | free(devices[d]); |
| | 831 | free(devices); |
| | 832 | sysfs_free(sra); |
| | 833 | free(st); |
| | 834 | return rv; |
| | 835 | } |
| | 836 | |
| | 837 | int Detail_Platform(struct superswitch *ss, int scan, int verbose, int export, char *controller_path) |
| | 838 | { |
| | 839 | /* display platform capabilities for the given metadata format |
| | 840 | * 'scan' in this context means iterate over all metadata types |
| | 841 | */ |
| | 842 | int i; |
| | 843 | int err = 1; |
| | 844 | |
| | 845 | if (ss && export && ss->export_detail_platform) |
| | 846 | err = ss->export_detail_platform(verbose, controller_path); |
| | 847 | else if (ss && ss->detail_platform) |
| | 848 | err = ss->detail_platform(verbose, 0, controller_path); |
| | 849 | else if (ss) { |
| | 850 | if (verbose > 0) |
| | 851 | pr_err("%s metadata is platform independent\n", |
| | 852 | ss->name ? : "[no name]"); |
| | 853 | } else if (!scan) { |
| | 854 | if (verbose > 0) |
| | 855 | pr_err("specify a metadata type or --scan\n"); |
| | 856 | } |
| | 857 | |
| | 858 | if (!scan) |
| | 859 | return err; |
| | 860 | |
| | 861 | err = 0; |
| | 862 | for (i = 0; superlist[i]; i++) { |
| | 863 | struct superswitch *meta = superlist[i]; |
| | 864 | |
| | 865 | if (meta == ss) |
| | 866 | continue; |
| | 867 | if (verbose > 0) |
| | 868 | pr_err("checking metadata %s\n", |
| | 869 | meta->name ? : "[no name]"); |
| | 870 | if (!meta->detail_platform) { |
| | 871 | if (verbose > 0) |
| | 872 | pr_err("%s metadata is platform independent\n", |
| | 873 | meta->name ? : "[no name]"); |
| | 874 | } else if (export && meta->export_detail_platform) { |
| | 875 | err |= meta->export_detail_platform(verbose, controller_path); |
| | 876 | } else |
| | 877 | err |= meta->detail_platform(verbose, 0, controller_path); |
| | 878 | } |
| | 879 | |
| | 880 | return err; |
| | 881 | } |
projects / thirdparty / mdadm.git / blame_incremental