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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
6f02172d | 4 | * Copyright (C) 2001-2013 Neil Brown <neilb@suse.de> |
64c4757e NB |
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 | |
e736b623 | 22 | * Email: <neilb@suse.de> |
c82f047c | 23 | * |
aba69144 | 24 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 25 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
26 | */ |
27 | ||
9a9dab36 | 28 | #include "mdadm.h" |
64c4757e | 29 | #include "md_p.h" |
dd0781e5 | 30 | #include <ctype.h> |
64c4757e | 31 | |
4977146a N |
32 | static int scan_assemble(struct supertype *ss, |
33 | struct context *c, | |
34 | struct mddev_ident *ident); | |
ef898ce6 | 35 | static int misc_scan(char devmode, struct context *c); |
ba728be7 | 36 | static int stop_scan(int verbose); |
7d27d1c0 | 37 | static int misc_list(struct mddev_dev *devlist, |
86da243f | 38 | struct mddev_ident *ident, |
74db60b0 | 39 | char *dump_directory, |
86da243f | 40 | struct supertype *ss, struct context *c); |
d56dd607 | 41 | const char Name[] = "mdadm"; |
7d27d1c0 | 42 | |
52826846 NB |
43 | int main(int argc, char *argv[]) |
44 | { | |
e0d19036 | 45 | int mode = 0; |
52826846 | 46 | int opt; |
e0d19036 | 47 | int option_index; |
52826846 | 48 | int rv; |
f9ce90ba | 49 | int i; |
52826846 | 50 | |
a93f8c65 | 51 | unsigned long long array_size = 0; |
40c9a66a | 52 | unsigned long long data_offset = INVALID_SECTORS; |
fa56eddb | 53 | struct mddev_ident ident; |
52826846 | 54 | char *configfile = NULL; |
1c7a808c | 55 | int devmode = 0; |
c82f047c | 56 | int bitmap_fd = -1; |
a655e550 N |
57 | struct mddev_dev *devlist = NULL; |
58 | struct mddev_dev **devlistend = & devlist; | |
59 | struct mddev_dev *dv; | |
1b7eb962 | 60 | mdu_array_info_t array; |
52826846 | 61 | int devs_found = 0; |
38098016 | 62 | char *symlinks = NULL; |
2dddadb0 | 63 | int grow_continue = 0; |
f1ae21c4 NB |
64 | /* autof indicates whether and how to create device node. |
65 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
66 | * 0 - unset | |
67 | * 1 - don't create (no) | |
68 | * 2 - if is_standard, then create (yes) | |
69 | * 3 - create as 'md' - reject is_standard mdp (md) | |
70 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
71 | * 5 - default to md if not is_standard (md in config file) | |
72 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
73 | */ | |
9e33d556 N |
74 | struct context c = { |
75 | .require_homehost = 1, | |
76 | }; | |
e705e81b | 77 | struct shape s = { |
cc1799c3 | 78 | .journaldisks = 0, |
e705e81b N |
79 | .level = UnSet, |
80 | .layout = UnSet, | |
81 | .bitmap_chunk = UnSet, | |
b7580566 | 82 | .consistency_policy = CONSISTENCY_POLICY_UNKNOWN, |
e705e81b | 83 | }; |
52826846 | 84 | |
05697ec1 | 85 | char sys_hostname[256]; |
52826846 NB |
86 | char *mailaddr = NULL; |
87 | char *program = NULL; | |
9a36a9b7 | 88 | int increments = 20; |
d013a55e | 89 | int daemonise = 0; |
b5e64645 | 90 | char *pidfile = NULL; |
aa88f531 | 91 | int oneshot = 0; |
edde9560 | 92 | int spare_sharing = 1; |
82d9eba6 | 93 | struct supertype *ss = NULL; |
e22fe3ae N |
94 | enum flag_mode writemostly = FlagDefault; |
95 | enum flag_mode failfast = FlagDefault; | |
c06487ce | 96 | char *shortopt = short_options; |
773135f5 | 97 | int dosyslog = 0; |
8382f19b | 98 | int rebuild_map = 0; |
950bc344 | 99 | char *remove_path = NULL; |
20b60dcd | 100 | char *udev_filename = NULL; |
74db60b0 | 101 | char *dump_directory = NULL; |
52826846 | 102 | |
3d4064cc | 103 | int print_help = 0; |
0047d254 | 104 | FILE *outf; |
e5329c37 | 105 | |
52826846 | 106 | int mdfd = -1; |
1b7eb962 | 107 | int locked = 0; |
52826846 | 108 | |
dfe47e00 NB |
109 | srandom(time(0) ^ getpid()); |
110 | ||
8ea98217 | 111 | ident.uuid_set = 0; |
98c6faba NB |
112 | ident.level = UnSet; |
113 | ident.raid_disks = UnSet; | |
8ea98217 JS |
114 | ident.super_minor = UnSet; |
115 | ident.devices = 0; | |
a75f2fbc NB |
116 | ident.spare_group = NULL; |
117 | ident.autof = 0; | |
a825febc | 118 | ident.st = NULL; |
c82f047c | 119 | ident.bitmap_fd = -1; |
7ef02d01 | 120 | ident.bitmap_file = NULL; |
947fd4dd | 121 | ident.name[0] = 0; |
aef35714 N |
122 | ident.container = NULL; |
123 | ident.member = NULL; | |
52826846 | 124 | |
dcf3d4de JS |
125 | if (get_linux_version() < 2006015) { |
126 | pr_err("This version of mdadm does not support kernels older than 2.6.15\n"); | |
127 | exit(1); | |
128 | } | |
129 | ||
8ea98217 JS |
130 | while ((option_index = -1), |
131 | (opt = getopt_long(argc, argv, shortopt, long_options, | |
132 | &option_index)) != -1) { | |
e0d19036 | 133 | int newmode = mode; |
35904960 | 134 | /* firstly, some mode-independent options */ |
52826846 | 135 | switch(opt) { |
1c7a808c N |
136 | case HelpOptions: |
137 | print_help = 2; | |
138 | continue; | |
52826846 | 139 | case 'h': |
1c7a808c | 140 | print_help = 1; |
3d4064cc | 141 | continue; |
52826846 NB |
142 | |
143 | case 'V': | |
144 | fputs(Version, stderr); | |
145 | exit(0); | |
146 | ||
9e33d556 | 147 | case 'v': c.verbose++; |
52826846 NB |
148 | continue; |
149 | ||
0937132d | 150 | case 'q': c.verbose--; |
dab6685f NB |
151 | continue; |
152 | ||
c82f047c | 153 | case 'b': |
9d1fbf65 JS |
154 | if (mode == ASSEMBLE || mode == BUILD || |
155 | mode == CREATE || mode == GROW || | |
156 | mode == INCREMENTAL || mode == MANAGE) | |
c82f047c | 157 | break; /* b means bitmap */ |
1c7a808c | 158 | case Brief: |
9e33d556 | 159 | c.brief = 1; |
cd29a5c8 NB |
160 | continue; |
161 | ||
d11abe4b CL |
162 | case NoDevices: |
163 | c.no_devices = 1; | |
164 | continue; | |
165 | ||
9e33d556 | 166 | case 'Y': c.export++; |
54bad364 KS |
167 | continue; |
168 | ||
997aed5d | 169 | case HomeHost: |
0ac91628 | 170 | if (strcasecmp(optarg, "<ignore>") == 0) |
9e33d556 | 171 | c.require_homehost = 0; |
0ac91628 | 172 | else |
9e33d556 | 173 | c.homehost = optarg; |
997aed5d NB |
174 | continue; |
175 | ||
08ca2adf | 176 | case OffRootOpt: |
3e23ba9d | 177 | /* Silently ignore old option */ |
08ca2adf JS |
178 | continue; |
179 | ||
c2ecf5f6 | 180 | case Prefer: |
9e33d556 N |
181 | if (c.prefer) |
182 | free(c.prefer); | |
183 | if (asprintf(&c.prefer, "/%s/", optarg) <= 0) | |
184 | c.prefer = NULL; | |
c2ecf5f6 N |
185 | continue; |
186 | ||
e0d19036 NB |
187 | case ':': |
188 | case '?': | |
189 | fputs(Usage, stderr); | |
190 | exit(2); | |
191 | } | |
192 | /* second, figure out the mode. | |
193 | * Some options force the mode. Others | |
aba69144 | 194 | * set the mode if it isn't already |
e0d19036 NB |
195 | */ |
196 | ||
197 | switch(opt) { | |
1c7a808c | 198 | case ManageOpt: |
c06487ce | 199 | newmode = MANAGE; |
024768c4 | 200 | shortopt = short_bitmap_options; |
c06487ce | 201 | break; |
e0d19036 | 202 | case 'a': |
1c7a808c | 203 | case Add: |
f33a71f1 | 204 | case AddSpare: |
01290056 | 205 | case AddJournal: |
e0d19036 | 206 | case 'r': |
1c7a808c | 207 | case Remove: |
70c55e36 N |
208 | case Replace: |
209 | case With: | |
e0d19036 | 210 | case 'f': |
1c7a808c | 211 | case Fail: |
41a3b72a | 212 | case ReAdd: /* re-add */ |
4de90913 | 213 | case ClusterConfirm: |
c06487ce NB |
214 | if (!mode) { |
215 | newmode = MANAGE; | |
024768c4 | 216 | shortopt = short_bitmap_options; |
c06487ce | 217 | } |
0320ea45 | 218 | break; |
e0d19036 | 219 | |
18361a1a N |
220 | case 'A': newmode = ASSEMBLE; |
221 | shortopt = short_bitmap_auto_options; | |
222 | break; | |
223 | case 'B': newmode = BUILD; | |
224 | shortopt = short_bitmap_auto_options; | |
225 | break; | |
226 | case 'C': newmode = CREATE; | |
227 | shortopt = short_bitmap_auto_options; | |
228 | break; | |
229 | case 'F': newmode = MONITOR; | |
6c9d9260 | 230 | shortopt = short_monitor_options; |
18361a1a | 231 | break; |
024768c4 DL |
232 | case 'G': newmode = GROW; |
233 | shortopt = short_bitmap_options; | |
234 | break; | |
95b79df0 | 235 | case 'I': newmode = INCREMENTAL; |
18361a1a N |
236 | shortopt = short_bitmap_auto_options; |
237 | break; | |
1f48664b | 238 | case AutoDetect: |
5a53aeec JS |
239 | newmode = AUTODETECT; |
240 | break; | |
e0d19036 | 241 | |
1c7a808c | 242 | case MiscOpt: |
e0d19036 NB |
243 | case 'D': |
244 | case 'E': | |
c82f047c | 245 | case 'X': |
5a53aeec | 246 | case 'Q': |
6d388a88 | 247 | case ExamineBB: |
74db60b0 N |
248 | case Dump: |
249 | case Restore: | |
a740cf64 | 250 | case Action: |
5a53aeec JS |
251 | newmode = MISC; |
252 | break; | |
253 | ||
e0d19036 NB |
254 | case 'R': |
255 | case 'S': | |
256 | case 'o': | |
257 | case 'w': | |
b90c0e9a | 258 | case 'W': |
1c7a808c | 259 | case WaitOpt: |
1770662b | 260 | case Waitclean: |
4cce4069 | 261 | case DetailPlatform: |
33414a01 | 262 | case KillSubarray: |
aa534678 | 263 | case UpdateSubarray: |
20b60dcd | 264 | case UdevRules: |
f7d3febc | 265 | case KillOpt: |
5a53aeec JS |
266 | if (!mode) |
267 | newmode = MISC; | |
268 | break; | |
269 | ||
270 | case NoSharing: | |
271 | newmode = MONITOR; | |
272 | break; | |
e0d19036 NB |
273 | } |
274 | if (mode && newmode == mode) { | |
275 | /* everybody happy ! */ | |
276 | } else if (mode && newmode != mode) { | |
277 | /* not allowed.. */ | |
e7b84f9d | 278 | pr_err(""); |
e0d19036 NB |
279 | if (option_index >= 0) |
280 | fprintf(stderr, "--%s", long_options[option_index].name); | |
281 | else | |
282 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 283 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
5f21d674 MT |
284 | map_num_s(modes, newmode), |
285 | map_num_s(modes, mode)); | |
e0d19036 NB |
286 | exit(2); |
287 | } else if (!mode && newmode) { | |
288 | mode = newmode; | |
dec18cae | 289 | if (mode == MISC && devs_found) { |
e7b84f9d | 290 | pr_err("No action given for %s in --misc mode\n", |
dec18cae | 291 | devlist->devname); |
d33f1518 | 292 | cont_err("Action options must come before device names\n"); |
dec18cae N |
293 | exit(2); |
294 | } | |
e0d19036 NB |
295 | } else { |
296 | /* special case of -c --help */ | |
1c7a808c | 297 | if ((opt == 'c' || opt == ConfigFile) && |
9d1fbf65 JS |
298 | (strncmp(optarg, "--h", 3) == 0 || |
299 | strncmp(optarg, "-h", 2) == 0)) { | |
0047d254 | 300 | fputs(Help_config, stdout); |
e0d19036 | 301 | exit(0); |
cd29a5c8 | 302 | } |
0320ea45 NB |
303 | |
304 | /* If first option is a device, don't force the mode yet */ | |
305 | if (opt == 1) { | |
306 | if (devs_found == 0) { | |
503975b9 | 307 | dv = xmalloc(sizeof(*dv)); |
0320ea45 NB |
308 | dv->devname = optarg; |
309 | dv->disposition = devmode; | |
dfd4d8ee | 310 | dv->writemostly = writemostly; |
71574efb | 311 | dv->failfast = failfast; |
da6b5ca9 | 312 | dv->used = 0; |
0320ea45 NB |
313 | dv->next = NULL; |
314 | *devlistend = dv; | |
315 | devlistend = &dv->next; | |
aba69144 | 316 | |
0320ea45 NB |
317 | devs_found++; |
318 | continue; | |
319 | } | |
320 | /* No mode yet, and this is the second device ... */ | |
e7b84f9d | 321 | pr_err("An option must be given to set the mode before a second device\n" |
a1331cc4 | 322 | " (%s) is listed\n", optarg); |
0320ea45 NB |
323 | exit(2); |
324 | } | |
e0d19036 | 325 | if (option_index >= 0) |
e7b84f9d | 326 | pr_err("--%s", long_options[option_index].name); |
e0d19036 | 327 | else |
e7b84f9d | 328 | pr_err("-%c", opt); |
0320ea45 | 329 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); |
e0d19036 NB |
330 | exit(2); |
331 | } | |
332 | ||
333 | /* if we just set the mode, then done */ | |
334 | switch(opt) { | |
1c7a808c N |
335 | case ManageOpt: |
336 | case MiscOpt: | |
e0d19036 NB |
337 | case 'A': |
338 | case 'B': | |
339 | case 'C': | |
340 | case 'F': | |
dd0781e5 | 341 | case 'G': |
8382f19b | 342 | case 'I': |
1f48664b | 343 | case AutoDetect: |
e0d19036 NB |
344 | continue; |
345 | } | |
346 | if (opt == 1) { | |
9eafa1de | 347 | /* an undecorated option - must be a device name. |
e0d19036 | 348 | */ |
9eafa1de MN |
349 | |
350 | if (devs_found > 0 && devmode == DetailPlatform) { | |
351 | pr_err("controller may only be specified once. %s ignored\n", | |
352 | optarg); | |
353 | continue; | |
354 | } | |
355 | ||
1c7a808c | 356 | if (devs_found > 0 && mode == MANAGE && !devmode) { |
7a862a02 | 357 | pr_err("Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
358 | exit(2); |
359 | } | |
1c7a808c | 360 | if (devs_found > 0 && mode == GROW && !devmode) { |
7a862a02 | 361 | pr_err("Must give -a/--add for devices to add: %s\n", optarg); |
e5329c37 NB |
362 | exit(2); |
363 | } | |
503975b9 | 364 | dv = xmalloc(sizeof(*dv)); |
cd29a5c8 NB |
365 | dv->devname = optarg; |
366 | dv->disposition = devmode; | |
dfd4d8ee | 367 | dv->writemostly = writemostly; |
71574efb | 368 | dv->failfast = failfast; |
9008ed1c | 369 | dv->used = 0; |
cd29a5c8 NB |
370 | dv->next = NULL; |
371 | *devlistend = dv; | |
372 | devlistend = &dv->next; | |
aba69144 | 373 | |
52826846 NB |
374 | devs_found++; |
375 | continue; | |
682c7051 | 376 | } |
682c7051 | 377 | |
52826846 NB |
378 | /* We've got a mode, and opt is now something else which |
379 | * could depend on the mode */ | |
1c7a808c | 380 | #define O(a,b) ((a<<16)|b) |
52826846 | 381 | switch (O(mode,opt)) { |
7236ee7a | 382 | case O(GROW,'c'): |
1c7a808c | 383 | case O(GROW,ChunkSize): |
e0d19036 | 384 | case O(CREATE,'c'): |
1c7a808c | 385 | case O(CREATE,ChunkSize): |
e0d19036 | 386 | case O(BUILD,'c'): /* chunk or rounding */ |
1c7a808c | 387 | case O(BUILD,ChunkSize): /* chunk or rounding */ |
e705e81b | 388 | if (s.chunk) { |
7a862a02 | 389 | pr_err("chunk/rounding may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
390 | exit(2); |
391 | } | |
e705e81b | 392 | s.chunk = parse_size(optarg); |
822e393a N |
393 | if (s.chunk == INVALID_SECTORS || |
394 | s.chunk < 8 || (s.chunk&1)) { | |
e7b84f9d | 395 | pr_err("invalid chunk/rounding value: %s\n", |
52826846 NB |
396 | optarg); |
397 | exit(2); | |
398 | } | |
a252c078 | 399 | /* Convert sectors to K */ |
e705e81b | 400 | s.chunk /= 2; |
52826846 | 401 | continue; |
64c4757e | 402 | |
8382f19b | 403 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
404 | case O(CREATE,'e'): |
405 | case O(ASSEMBLE,'e'): | |
406 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
407 | if (ss) { | |
e7b84f9d | 408 | pr_err("metadata information already given\n"); |
f9ce90ba NB |
409 | exit(2); |
410 | } | |
8ea98217 | 411 | for(i = 0; !ss && superlist[i]; i++) |
82d9eba6 NB |
412 | ss = superlist[i]->match_metadata_desc(optarg); |
413 | ||
f9ce90ba | 414 | if (!ss) { |
e7b84f9d | 415 | pr_err("unrecognised metadata identifier: %s\n", optarg); |
f9ce90ba NB |
416 | exit(2); |
417 | } | |
418 | continue; | |
419 | ||
dfd4d8ee | 420 | case O(MANAGE,'W'): |
1c7a808c | 421 | case O(MANAGE,WriteMostly): |
dfd4d8ee | 422 | case O(BUILD,'W'): |
1c7a808c | 423 | case O(BUILD,WriteMostly): |
dfd4d8ee | 424 | case O(CREATE,'W'): |
1c7a808c | 425 | case O(CREATE,WriteMostly): |
dfd4d8ee | 426 | /* set write-mostly for following devices */ |
e22fe3ae | 427 | writemostly = FlagSet; |
dfd4d8ee NB |
428 | continue; |
429 | ||
b3d31955 N |
430 | case O(MANAGE,'w'): |
431 | /* clear write-mostly for following devices */ | |
e22fe3ae | 432 | writemostly = FlagClear; |
b3d31955 N |
433 | continue; |
434 | ||
71574efb N |
435 | case O(MANAGE,FailFast): |
436 | case O(CREATE,FailFast): | |
e22fe3ae | 437 | failfast = FlagSet; |
71574efb N |
438 | continue; |
439 | case O(MANAGE,NoFailFast): | |
e22fe3ae | 440 | failfast = FlagClear; |
71574efb N |
441 | continue; |
442 | ||
dd0781e5 | 443 | case O(GROW,'z'): |
25affb56 PC |
444 | case O(CREATE,'z'): |
445 | case O(BUILD,'z'): /* size */ | |
e705e81b | 446 | if (s.size > 0) { |
7a862a02 | 447 | pr_err("size may only be specified once. Second value is %s.\n", optarg); |
52826846 NB |
448 | exit(2); |
449 | } | |
9d1fbf65 | 450 | if (strcmp(optarg, "max") == 0) |
e705e81b | 451 | s.size = MAX_SIZE; |
dd0781e5 | 452 | else { |
e705e81b | 453 | s.size = parse_size(optarg); |
9d1fbf65 JS |
454 | if (s.size == INVALID_SECTORS || s.size < 8) { |
455 | pr_err("invalid size: %s\n", optarg); | |
dd0781e5 NB |
456 | exit(2); |
457 | } | |
5f4fc0e1 | 458 | /* convert sectors to K */ |
e705e81b | 459 | s.size /= 2; |
52826846 NB |
460 | } |
461 | continue; | |
64c4757e | 462 | |
84e11361 | 463 | case O(GROW,'Z'): /* array size */ |
a93f8c65 | 464 | if (array_size > 0) { |
7a862a02 | 465 | pr_err("array-size may only be specified once. Second value is %s.\n", optarg); |
84e11361 N |
466 | exit(2); |
467 | } | |
468 | if (strcmp(optarg, "max") == 0) | |
a93f8c65 | 469 | array_size = MAX_SIZE; |
84e11361 N |
470 | else { |
471 | array_size = parse_size(optarg); | |
822e393a N |
472 | if (array_size == 0 || |
473 | array_size == INVALID_SECTORS) { | |
e7b84f9d | 474 | pr_err("invalid array size: %s\n", |
84e11361 N |
475 | optarg); |
476 | exit(2); | |
477 | } | |
478 | } | |
479 | continue; | |
480 | ||
40c9a66a N |
481 | case O(CREATE,DataOffset): |
482 | case O(GROW,DataOffset): | |
483 | if (data_offset != INVALID_SECTORS) { | |
7a862a02 | 484 | pr_err("data-offset may only be specified one. Second value is %s.\n", optarg); |
40c9a66a N |
485 | exit(2); |
486 | } | |
9d1fbf65 | 487 | if (mode == CREATE && strcmp(optarg, "variable") == 0) |
72ca9bcf N |
488 | data_offset = VARIABLE_OFFSET; |
489 | else | |
490 | data_offset = parse_size(optarg); | |
40c9a66a | 491 | if (data_offset == INVALID_SECTORS) { |
ed503f89 | 492 | pr_err("invalid data-offset: %s\n", |
40c9a66a N |
493 | optarg); |
494 | exit(2); | |
495 | } | |
496 | continue; | |
497 | ||
7236ee7a | 498 | case O(GROW,'l'): |
e0d19036 NB |
499 | case O(CREATE,'l'): |
500 | case O(BUILD,'l'): /* set raid level*/ | |
e705e81b | 501 | if (s.level != UnSet) { |
7a862a02 | 502 | pr_err("raid level may only be set once. Second value is %s.\n", optarg); |
52826846 NB |
503 | exit(2); |
504 | } | |
e705e81b N |
505 | s.level = map_name(pers, optarg); |
506 | if (s.level == UnSet) { | |
e7b84f9d | 507 | pr_err("invalid raid level: %s\n", |
52826846 NB |
508 | optarg); |
509 | exit(2); | |
510 | } | |
9d1fbf65 JS |
511 | if (s.level != 0 && s.level != LEVEL_LINEAR && |
512 | s.level != 1 && s.level != LEVEL_MULTIPATH && | |
513 | s.level != LEVEL_FAULTY && s.level != 10 && | |
e0fe762a | 514 | mode == BUILD) { |
e7b84f9d | 515 | pr_err("Raid level %s not permitted with --build.\n", |
52826846 NB |
516 | optarg); |
517 | exit(2); | |
518 | } | |
e705e81b | 519 | if (s.sparedisks > 0 && s.level < 1 && s.level >= -1) { |
e7b84f9d | 520 | pr_err("raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
521 | optarg); |
522 | exit(2); | |
523 | } | |
e705e81b | 524 | ident.level = s.level; |
52826846 | 525 | continue; |
64c4757e | 526 | |
19678e53 | 527 | case O(GROW, 'p'): /* new layout */ |
1c7a808c | 528 | case O(GROW, Layout): |
e705e81b | 529 | if (s.layout_str) { |
7a862a02 | 530 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
19678e53 N |
531 | exit(2); |
532 | } | |
e705e81b | 533 | s.layout_str = optarg; |
19678e53 N |
534 | /* 'Grow' will parse the value */ |
535 | continue; | |
536 | ||
e0d19036 | 537 | case O(CREATE,'p'): /* raid5 layout */ |
1c7a808c | 538 | case O(CREATE,Layout): |
b5e64645 | 539 | case O(BUILD,'p'): /* faulty layout */ |
1c7a808c | 540 | case O(BUILD,Layout): |
e705e81b | 541 | if (s.layout != UnSet) { |
7a862a02 | 542 | pr_err("layout may only be sent once. Second value was %s\n", optarg); |
52826846 NB |
543 | exit(2); |
544 | } | |
e705e81b | 545 | switch(s.level) { |
52826846 | 546 | default: |
e7b84f9d | 547 | pr_err("layout not meaningful for %s arrays.\n", |
5f21d674 | 548 | map_num_s(pers, s.level)); |
52826846 | 549 | exit(2); |
98c6faba | 550 | case UnSet: |
e7b84f9d | 551 | pr_err("raid level must be given before layout.\n"); |
52826846 NB |
552 | exit(2); |
553 | ||
329dfc28 N |
554 | case 0: |
555 | s.layout = map_name(r0layout, optarg); | |
556 | if (s.layout == UnSet) { | |
557 | pr_err("layout %s not understood for raid0.\n", | |
558 | optarg); | |
559 | exit(2); | |
560 | } | |
561 | break; | |
52826846 | 562 | case 5: |
e705e81b | 563 | s.layout = map_name(r5layout, optarg); |
8ea98217 | 564 | if (s.layout == UnSet) { |
e7b84f9d | 565 | pr_err("layout %s not understood for raid5.\n", |
52826846 NB |
566 | optarg); |
567 | exit(2); | |
568 | } | |
569 | break; | |
b640a252 | 570 | case 6: |
e705e81b | 571 | s.layout = map_name(r6layout, optarg); |
8ea98217 | 572 | if (s.layout == UnSet) { |
e7b84f9d | 573 | pr_err("layout %s not understood for raid6.\n", |
b640a252 N |
574 | optarg); |
575 | exit(2); | |
576 | } | |
577 | break; | |
e5329c37 NB |
578 | |
579 | case 10: | |
e705e81b N |
580 | s.layout = parse_layout_10(optarg); |
581 | if (s.layout < 0) { | |
e7b84f9d | 582 | pr_err("layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
583 | exit(2); |
584 | } | |
e5329c37 | 585 | break; |
19678e53 N |
586 | case LEVEL_FAULTY: |
587 | /* Faulty | |
588 | * modeNNN | |
589 | */ | |
e705e81b N |
590 | s.layout = parse_layout_faulty(optarg); |
591 | if (s.layout == -1) { | |
e7b84f9d | 592 | pr_err("layout %s not understood for faulty.\n", |
b5e64645 NB |
593 | optarg); |
594 | exit(2); | |
595 | } | |
4a06e2c2 | 596 | break; |
52826846 NB |
597 | } |
598 | continue; | |
599 | ||
997aed5d NB |
600 | case O(CREATE,AssumeClean): |
601 | case O(BUILD,AssumeClean): /* assume clean */ | |
ce52f92f | 602 | case O(GROW,AssumeClean): |
e705e81b | 603 | s.assume_clean = 1; |
dd0781e5 NB |
604 | continue; |
605 | ||
606 | case O(GROW,'n'): | |
e0d19036 NB |
607 | case O(CREATE,'n'): |
608 | case O(BUILD,'n'): /* number of raid disks */ | |
e705e81b | 609 | if (s.raiddisks) { |
e7b84f9d | 610 | pr_err("raid-devices set twice: %d and %s\n", |
e705e81b | 611 | s.raiddisks, optarg); |
52826846 NB |
612 | exit(2); |
613 | } | |
60815698 | 614 | if (parse_num(&s.raiddisks, optarg) != 0 || s.raiddisks <= 0) { |
e7b84f9d | 615 | pr_err("invalid number of raid devices: %s\n", |
52826846 NB |
616 | optarg); |
617 | exit(2); | |
618 | } | |
e705e81b | 619 | ident.raid_disks = s.raiddisks; |
52826846 | 620 | continue; |
7e6e839a | 621 | case O(ASSEMBLE, Nodes): |
6447a127 | 622 | case O(GROW, Nodes): |
529e2aa5 | 623 | case O(CREATE, Nodes): |
60815698 | 624 | if (parse_num(&c.nodes, optarg) != 0 || c.nodes < 2) { |
9d67f649 | 625 | pr_err("clustered array needs two nodes at least: %s\n", |
529e2aa5 GJ |
626 | optarg); |
627 | exit(2); | |
628 | } | |
629 | continue; | |
7716570e | 630 | case O(CREATE, ClusterName): |
0aa2f15b | 631 | case O(ASSEMBLE, ClusterName): |
7716570e GJ |
632 | c.homecluster = optarg; |
633 | if (strlen(c.homecluster) > 64) { | |
634 | pr_err("Cluster name too big.\n"); | |
dcd24efc | 635 | exit(2); |
7716570e GJ |
636 | } |
637 | continue; | |
18361a1a | 638 | case O(CREATE,'x'): /* number of spare (eXtra) disks */ |
e705e81b | 639 | if (s.sparedisks) { |
e7b84f9d | 640 | pr_err("spare-devices set twice: %d and %s\n", |
e705e81b | 641 | s.sparedisks, optarg); |
52826846 NB |
642 | exit(2); |
643 | } | |
e705e81b | 644 | if (s.level != UnSet && s.level <= 0 && s.level >= -1) { |
e7b84f9d | 645 | pr_err("spare-devices setting is incompatible with raid level %d\n", |
e705e81b | 646 | s.level); |
52826846 NB |
647 | exit(2); |
648 | } | |
60815698 | 649 | if (parse_num(&s.sparedisks, optarg) != 0 || s.sparedisks < 0) { |
e7b84f9d | 650 | pr_err("invalid number of spare-devices: %s\n", |
52826846 NB |
651 | optarg); |
652 | exit(2); | |
653 | } | |
654 | continue; | |
dd0781e5 NB |
655 | |
656 | case O(CREATE,'a'): | |
1c7a808c | 657 | case O(CREATE,Auto): |
dd0781e5 | 658 | case O(BUILD,'a'): |
1c7a808c | 659 | case O(BUILD,Auto): |
95b79df0 | 660 | case O(INCREMENTAL,'a'): |
1c7a808c N |
661 | case O(INCREMENTAL,Auto): |
662 | case O(ASSEMBLE,'a'): | |
663 | case O(ASSEMBLE,Auto): /* auto-creation of device node */ | |
9e33d556 | 664 | c.autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
665 | continue; |
666 | ||
38098016 NB |
667 | case O(CREATE,Symlinks): |
668 | case O(BUILD,Symlinks): | |
669 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
670 | symlinks = optarg; | |
671 | continue; | |
672 | ||
aa88f531 | 673 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
1c7a808c | 674 | case O(BUILD,Force): /* force honouring '-n 1' */ |
bd72c2b2 | 675 | case O(GROW,'f'): /* ditto */ |
1c7a808c | 676 | case O(GROW,Force): /* ditto */ |
e0d19036 | 677 | case O(CREATE,'f'): /* force honouring of device list */ |
1c7a808c | 678 | case O(CREATE,Force): /* force honouring of device list */ |
e0d19036 | 679 | case O(ASSEMBLE,'f'): /* force assembly */ |
1c7a808c | 680 | case O(ASSEMBLE,Force): /* force assembly */ |
e0d19036 | 681 | case O(MISC,'f'): /* force zero */ |
1c7a808c | 682 | case O(MISC,Force): /* force zero */ |
11b391ec | 683 | case O(MANAGE,Force): /* add device which is too large */ |
8ea98217 | 684 | c.force = 1; |
52826846 | 685 | continue; |
52826846 | 686 | /* now for the Assemble options */ |
b76b30e0 AK |
687 | case O(ASSEMBLE, FreezeReshape): /* Freeze reshape during |
688 | * initrd phase */ | |
689 | case O(INCREMENTAL, FreezeReshape): | |
9e33d556 | 690 | c.freeze_reshape = 1; |
b76b30e0 | 691 | continue; |
3d3dd91e | 692 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 693 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 694 | if (ident.uuid_set) { |
7a862a02 | 695 | pr_err("uuid cannot be set twice. Second value %s.\n", optarg); |
52826846 NB |
696 | exit(2); |
697 | } | |
698 | if (parse_uuid(optarg, ident.uuid)) | |
699 | ident.uuid_set = 1; | |
700 | else { | |
e7b84f9d | 701 | pr_err("Bad uuid: %s\n", optarg); |
52826846 NB |
702 | exit(2); |
703 | } | |
704 | continue; | |
705 | ||
947fd4dd NB |
706 | case O(CREATE,'N'): |
707 | case O(ASSEMBLE,'N'): | |
aa534678 | 708 | case O(MISC,'N'): |
947fd4dd | 709 | if (ident.name[0]) { |
7a862a02 | 710 | pr_err("name cannot be set twice. Second value %s.\n", optarg); |
947fd4dd NB |
711 | exit(2); |
712 | } | |
9e33d556 | 713 | if (mode == MISC && !c.subarray) { |
e7b84f9d | 714 | pr_err("-N/--name only valid with --update-subarray in misc mode\n"); |
aa534678 DW |
715 | exit(2); |
716 | } | |
947fd4dd | 717 | if (strlen(optarg) > 32) { |
e7b84f9d | 718 | pr_err("name '%s' is too long, 32 chars max.\n", |
947fd4dd NB |
719 | optarg); |
720 | exit(2); | |
721 | } | |
722 | strcpy(ident.name, optarg); | |
723 | continue; | |
724 | ||
e0d19036 | 725 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
1c7a808c | 726 | case O(ASSEMBLE,SuperMinor): |
98c6faba | 727 | if (ident.super_minor != UnSet) { |
7a862a02 | 728 | pr_err("super-minor cannot be set twice. Second value: %s.\n", optarg); |
cd29a5c8 NB |
729 | exit(2); |
730 | } | |
9d1fbf65 | 731 | if (strcmp(optarg, "dev") == 0) |
d013a55e | 732 | ident.super_minor = -2; |
60815698 MG |
733 | else if (parse_num(&ident.super_minor, optarg) != 0 || ident.super_minor < 0) { |
734 | pr_err("Bad super-minor number: %s.\n", optarg); | |
735 | exit(2); | |
cd29a5c8 NB |
736 | } |
737 | continue; | |
738 | ||
0ea8f5b1 N |
739 | case O(ASSEMBLE,'o'): |
740 | case O(MANAGE,'o'): | |
741 | case O(CREATE,'o'): | |
9e33d556 | 742 | c.readonly = 1; |
0ea8f5b1 N |
743 | continue; |
744 | ||
5787fa49 | 745 | case O(ASSEMBLE,'U'): /* update the superblock */ |
aa534678 | 746 | case O(MISC,'U'): |
9e33d556 | 747 | if (c.update) { |
7a862a02 | 748 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
9e33d556 | 749 | c.update, optarg); |
5787fa49 NB |
750 | exit(2); |
751 | } | |
9e33d556 | 752 | if (mode == MISC && !c.subarray) { |
7a862a02 | 753 | pr_err("Only subarrays can be updated in misc mode\n"); |
aa534678 DW |
754 | exit(2); |
755 | } | |
9e33d556 | 756 | c.update = optarg; |
9d1fbf65 | 757 | if (strcmp(c.update, "sparc2.2") == 0) |
e5329c37 | 758 | continue; |
9e33d556 | 759 | if (strcmp(c.update, "super-minor") == 0) |
5787fa49 | 760 | continue; |
9d1fbf65 | 761 | if (strcmp(c.update, "summaries") == 0) |
feb716e9 | 762 | continue; |
9d1fbf65 | 763 | if (strcmp(c.update, "resync") == 0) |
e5329c37 | 764 | continue; |
9d1fbf65 | 765 | if (strcmp(c.update, "uuid") == 0) |
7d99579f | 766 | continue; |
9d1fbf65 | 767 | if (strcmp(c.update, "name") == 0) |
c4f12c13 | 768 | continue; |
9d1fbf65 | 769 | if (strcmp(c.update, "homehost") == 0) |
0237e0ca | 770 | continue; |
9d1fbf65 | 771 | if (strcmp(c.update, "home-cluster") == 0) |
0aa2f15b | 772 | continue; |
9d1fbf65 | 773 | if (strcmp(c.update, "nodes") == 0) |
7e6e839a | 774 | continue; |
9d1fbf65 | 775 | if (strcmp(c.update, "devicesize") == 0) |
bee8ec56 | 776 | continue; |
dc95f821 JR |
777 | if (strcmp(c.update, "bitmap") == 0) |
778 | continue; | |
9d1fbf65 | 779 | if (strcmp(c.update, "no-bitmap") == 0) |
5a31170d | 780 | continue; |
688e99a7 N |
781 | if (strcmp(c.update, "bbl") == 0) |
782 | continue; | |
783 | if (strcmp(c.update, "no-bbl") == 0) | |
784 | continue; | |
6dd16dac N |
785 | if (strcmp(c.update, "force-no-bbl") == 0) |
786 | continue; | |
e6e9dd3f AP |
787 | if (strcmp(c.update, "ppl") == 0) |
788 | continue; | |
789 | if (strcmp(c.update, "no-ppl") == 0) | |
790 | continue; | |
afa368f4 N |
791 | if (strcmp(c.update, "metadata") == 0) |
792 | continue; | |
199f1a1f N |
793 | if (strcmp(c.update, "revert-reshape") == 0) |
794 | continue; | |
027c099f | 795 | if (strcmp(c.update, "layout-original") == 0 || |
97b51a2c N |
796 | strcmp(c.update, "layout-alternate") == 0 || |
797 | strcmp(c.update, "layout-unspecified") == 0) | |
027c099f | 798 | continue; |
8ea98217 | 799 | if (strcmp(c.update, "byteorder") == 0) { |
586ed405 | 800 | if (ss) { |
7a862a02 | 801 | pr_err("must not set metadata type with --update=byteorder.\n"); |
586ed405 NB |
802 | exit(2); |
803 | } | |
8ea98217 | 804 | for(i = 0; !ss && superlist[i]; i++) |
833bb0f8 N |
805 | ss = superlist[i]->match_metadata_desc( |
806 | "0.swap"); | |
586ed405 | 807 | if (!ss) { |
7a862a02 | 808 | pr_err("INTERNAL ERROR cannot find 0.swap\n"); |
586ed405 NB |
809 | exit(2); |
810 | } | |
811 | ||
812 | continue; | |
813 | } | |
9e33d556 N |
814 | if (strcmp(c.update,"?") == 0 || |
815 | strcmp(c.update, "help") == 0) { | |
0047d254 | 816 | outf = stdout; |
d56dd607 | 817 | fprintf(outf, "%s: ", Name); |
0047d254 NB |
818 | } else { |
819 | outf = stderr; | |
820 | fprintf(outf, | |
d56dd607 PB |
821 | "%s: '--update=%s' is invalid. ", |
822 | Name, c.update); | |
0047d254 NB |
823 | } |
824 | fprintf(outf, "Valid --update options are:\n" | |
7e6e839a | 825 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'nodes', 'resync',\n" |
0aa2f15b | 826 | " 'summaries', 'homehost', 'home-cluster', 'byteorder', 'devicesize',\n" |
dc95f821 | 827 | " 'bitmap', 'no-bitmap', 'metadata', 'revert-reshape'\n" |
e6e9dd3f | 828 | " 'bbl', 'no-bbl', 'force-no-bbl', 'ppl', 'no-ppl'\n" |
97b51a2c | 829 | " 'layout-original', 'layout-alternate', 'layout-unspecified'\n" |
c60495c8 | 830 | ); |
0047d254 | 831 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 832 | |
833bb0f8 N |
833 | case O(MANAGE,'U'): |
834 | /* update=devicesize is allowed with --re-add */ | |
c8e1a230 | 835 | if (devmode != 'A') { |
7a862a02 | 836 | pr_err("--update in Manage mode only allowed with --re-add.\n"); |
833bb0f8 N |
837 | exit(1); |
838 | } | |
9e33d556 | 839 | if (c.update) { |
7a862a02 | 840 | pr_err("Can only update one aspect of superblock, both %s and %s given.\n", |
9e33d556 | 841 | c.update, optarg); |
833bb0f8 N |
842 | exit(2); |
843 | } | |
9e33d556 | 844 | c.update = optarg; |
688e99a7 N |
845 | if (strcmp(c.update, "devicesize") != 0 && |
846 | strcmp(c.update, "bbl") != 0 && | |
6dd16dac | 847 | strcmp(c.update, "force-no-bbl") != 0 && |
688e99a7 | 848 | strcmp(c.update, "no-bbl") != 0) { |
6dd16dac | 849 | pr_err("only 'devicesize', 'bbl', 'no-bbl', and 'force-no-bbl' can be updated with --re-add\n"); |
833bb0f8 N |
850 | exit(2); |
851 | } | |
852 | continue; | |
853 | ||
172356c9 | 854 | case O(INCREMENTAL,NoDegraded): |
e7b84f9d | 855 | pr_err("--no-degraded is deprecated in Incremental mode\n"); |
997aed5d | 856 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
9e33d556 N |
857 | c.runstop = -1; /* --stop isn't allowed for --assemble, |
858 | * so we overload slightly */ | |
b8a8ccf9 NB |
859 | continue; |
860 | ||
1c7a808c N |
861 | case O(ASSEMBLE,'c'): |
862 | case O(ASSEMBLE,ConfigFile): | |
7b187ed7 | 863 | case O(INCREMENTAL, 'c'): |
1c7a808c | 864 | case O(INCREMENTAL, ConfigFile): |
2d465520 | 865 | case O(MISC, 'c'): |
1c7a808c | 866 | case O(MISC, ConfigFile): |
e0d19036 | 867 | case O(MONITOR,'c'): |
1c7a808c | 868 | case O(MONITOR,ConfigFile): |
9ccfd3be | 869 | case O(CREATE,ConfigFile): |
52826846 | 870 | if (configfile) { |
7a862a02 | 871 | pr_err("configfile cannot be set twice. Second value is %s.\n", optarg); |
52826846 NB |
872 | exit(2); |
873 | } | |
874 | configfile = optarg; | |
8aec876d | 875 | set_conffile(configfile); |
52826846 NB |
876 | /* FIXME possibly check that config file exists. Even parse it */ |
877 | continue; | |
e0d19036 NB |
878 | case O(ASSEMBLE,'s'): /* scan */ |
879 | case O(MISC,'s'): | |
880 | case O(MONITOR,'s'): | |
8382f19b | 881 | case O(INCREMENTAL,'s'): |
9e33d556 | 882 | c.scan = 1; |
52826846 NB |
883 | continue; |
884 | ||
e0d19036 | 885 | case O(MONITOR,'m'): /* mail address */ |
1c7a808c | 886 | case O(MONITOR,EMail): |
52826846 | 887 | if (mailaddr) |
e7b84f9d | 888 | pr_err("only specify one mailaddress. %s ignored.\n", |
52826846 NB |
889 | optarg); |
890 | else | |
891 | mailaddr = optarg; | |
892 | continue; | |
893 | ||
e0d19036 | 894 | case O(MONITOR,'p'): /* alert program */ |
1c7a808c | 895 | case O(MONITOR,ProgramOpt): /* alert program */ |
52826846 | 896 | if (program) |
e7b84f9d | 897 | pr_err("only specify one alter program. %s ignored.\n", |
52826846 NB |
898 | optarg); |
899 | else | |
900 | program = optarg; | |
901 | continue; | |
64c4757e | 902 | |
9a36a9b7 | 903 | case O(MONITOR,'r'): /* rebuild increments */ |
1c7a808c | 904 | case O(MONITOR,Increment): |
60815698 MG |
905 | if (parse_num(&increments, optarg) != 0 |
906 | || increments > 99 || increments < 1) { | |
e7b84f9d | 907 | pr_err("please specify positive integer between 1 and 99 as rebuild increments.\n"); |
9a36a9b7 ZB |
908 | exit(2); |
909 | } | |
910 | continue; | |
911 | ||
e0d19036 | 912 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 913 | case O(GROW, 'd'): |
c82f047c NB |
914 | case O(BUILD,'d'): /* delay for bitmap updates */ |
915 | case O(CREATE,'d'): | |
9e33d556 | 916 | if (c.delay) |
60815698 MG |
917 | pr_err("only specify delay once. %s ignored.\n", optarg); |
918 | else if (parse_num(&c.delay, optarg) != 0 || c.delay < 1) { | |
919 | pr_err("invalid delay: %s\n", optarg); | |
920 | exit(2); | |
52826846 NB |
921 | } |
922 | continue; | |
d013a55e | 923 | case O(MONITOR,'f'): /* daemonise */ |
1c7a808c | 924 | case O(MONITOR,Fork): |
d013a55e NB |
925 | daemonise = 1; |
926 | continue; | |
b5e64645 NB |
927 | case O(MONITOR,'i'): /* pid */ |
928 | if (pidfile) | |
e7b84f9d | 929 | pr_err("only specify one pid file. %s ignored.\n", |
b5e64645 NB |
930 | optarg); |
931 | else | |
932 | pidfile = optarg; | |
933 | continue; | |
aa88f531 NB |
934 | case O(MONITOR,'1'): /* oneshot */ |
935 | oneshot = 1; | |
3f555346 | 936 | spare_sharing = 0; |
aa88f531 | 937 | continue; |
98c6faba | 938 | case O(MONITOR,'t'): /* test */ |
9e33d556 | 939 | c.test = 1; |
98c6faba | 940 | continue; |
773135f5 | 941 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 942 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
943 | dosyslog = 1; |
944 | continue; | |
edde9560 AC |
945 | case O(MONITOR, NoSharing): |
946 | spare_sharing = 0; | |
947 | continue; | |
18361a1a | 948 | |
52826846 NB |
949 | /* now the general management options. Some are applicable |
950 | * to other modes. None have arguments. | |
951 | */ | |
e5329c37 | 952 | case O(GROW,'a'): |
1c7a808c N |
953 | case O(GROW,Add): |
954 | case O(MANAGE,'a'): | |
955 | case O(MANAGE,Add): /* add a drive */ | |
52826846 | 956 | devmode = 'a'; |
fe80f49b | 957 | continue; |
f33a71f1 N |
958 | case O(MANAGE,AddSpare): /* add drive - never re-add */ |
959 | devmode = 'S'; | |
960 | continue; | |
01290056 SL |
961 | case O(MANAGE,AddJournal): /* add journal */ |
962 | if (s.journaldisks && (s.level < 4 || s.level > 6)) { | |
963 | pr_err("--add-journal is only supported for RAID level 4/5/6.\n"); | |
964 | exit(2); | |
965 | } | |
966 | devmode = 'j'; | |
967 | continue; | |
997aed5d | 968 | case O(MANAGE,ReAdd): |
c8e1a230 | 969 | devmode = 'A'; |
52826846 | 970 | continue; |
e0d19036 | 971 | case O(MANAGE,'r'): /* remove a drive */ |
1c7a808c | 972 | case O(MANAGE,Remove): |
52826846 NB |
973 | devmode = 'r'; |
974 | continue; | |
e0d19036 | 975 | case O(MANAGE,'f'): /* set faulty */ |
1c7a808c N |
976 | case O(MANAGE,Fail): |
977 | case O(INCREMENTAL,'f'): | |
978 | case O(INCREMENTAL,Remove): | |
979 | case O(INCREMENTAL,Fail): /* r for incremental is taken, use f | |
7d27d1c0 N |
980 | * even though we will both fail and |
981 | * remove the device */ | |
52826846 NB |
982 | devmode = 'f'; |
983 | continue; | |
4de90913 GJ |
984 | case O(MANAGE, ClusterConfirm): |
985 | devmode = 'c'; | |
986 | continue; | |
70c55e36 N |
987 | case O(MANAGE,Replace): |
988 | /* Mark these devices for replacement */ | |
989 | devmode = 'R'; | |
990 | continue; | |
991 | case O(MANAGE,With): | |
992 | /* These are the replacements to use */ | |
993 | if (devmode != 'R') { | |
994 | pr_err("--with must follow --replace\n"); | |
995 | exit(2); | |
996 | } | |
997 | devmode = 'W'; | |
998 | continue; | |
8382f19b | 999 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
1000 | case O(MANAGE,'R'): |
1001 | case O(ASSEMBLE,'R'): | |
1002 | case O(BUILD,'R'): | |
1003 | case O(CREATE,'R'): /* Run the array */ | |
9e33d556 | 1004 | if (c.runstop < 0) { |
e7b84f9d | 1005 | pr_err("Cannot both Stop and Run an array\n"); |
52826846 NB |
1006 | exit(2); |
1007 | } | |
9e33d556 | 1008 | c.runstop = 1; |
52826846 | 1009 | continue; |
e0d19036 | 1010 | case O(MANAGE,'S'): |
9e33d556 | 1011 | if (c.runstop > 0) { |
e7b84f9d | 1012 | pr_err("Cannot both Run and Stop an array\n"); |
52826846 NB |
1013 | exit(2); |
1014 | } | |
9e33d556 | 1015 | c.runstop = -1; |
52826846 | 1016 | continue; |
7d2e6486 | 1017 | case O(MANAGE,'t'): |
9e33d556 | 1018 | c.test = 1; |
7d2e6486 | 1019 | continue; |
52826846 | 1020 | |
e0d19036 NB |
1021 | case O(MISC,'Q'): |
1022 | case O(MISC,'D'): | |
1023 | case O(MISC,'E'): | |
f7d3febc | 1024 | case O(MISC,KillOpt): |
e0d19036 NB |
1025 | case O(MISC,'R'): |
1026 | case O(MISC,'S'): | |
c82f047c | 1027 | case O(MISC,'X'): |
6d388a88 | 1028 | case O(MISC, ExamineBB): |
e0d19036 NB |
1029 | case O(MISC,'o'): |
1030 | case O(MISC,'w'): | |
b90c0e9a | 1031 | case O(MISC,'W'): |
1c7a808c | 1032 | case O(MISC, WaitOpt): |
1770662b | 1033 | case O(MISC, Waitclean): |
4cce4069 | 1034 | case O(MISC, DetailPlatform): |
33414a01 | 1035 | case O(MISC, KillSubarray): |
aa534678 | 1036 | case O(MISC, UpdateSubarray): |
74db60b0 N |
1037 | case O(MISC, Dump): |
1038 | case O(MISC, Restore): | |
a740cf64 | 1039 | case O(MISC ,Action): |
5a53aeec | 1040 | if (opt == KillSubarray || opt == UpdateSubarray) { |
9e33d556 | 1041 | if (c.subarray) { |
7a862a02 | 1042 | pr_err("subarray can only be specified once\n"); |
5a53aeec JS |
1043 | exit(2); |
1044 | } | |
9e33d556 | 1045 | c.subarray = optarg; |
5a53aeec | 1046 | } |
a740cf64 N |
1047 | if (opt == Action) { |
1048 | if (c.action) { | |
1049 | pr_err("Only one --action can be specified\n"); | |
1050 | exit(2); | |
1051 | } | |
1052 | if (strcmp(optarg, "idle") == 0 || | |
1053 | strcmp(optarg, "frozen") == 0 || | |
1054 | strcmp(optarg, "check") == 0 || | |
1055 | strcmp(optarg, "repair") == 0) | |
1056 | c.action = optarg; | |
1057 | else { | |
1058 | pr_err("action must be one of idle, frozen, check, repair\n"); | |
1059 | exit(2); | |
1060 | } | |
1061 | } | |
e0d19036 | 1062 | if (devmode && devmode != opt && |
9d1fbf65 JS |
1063 | (devmode == 'E' || |
1064 | (opt == 'E' && devmode != 'Q'))) { | |
e7b84f9d | 1065 | pr_err("--examine/-E cannot be given with "); |
aa534678 DW |
1066 | if (devmode == 'E') { |
1067 | if (option_index >= 0) | |
1068 | fprintf(stderr, "--%s\n", | |
1069 | long_options[option_index].name); | |
1070 | else | |
1071 | fprintf(stderr, "-%c\n", opt); | |
1072 | } else if (isalpha(devmode)) | |
1073 | fprintf(stderr, "-%c\n", devmode); | |
1074 | else | |
1075 | fprintf(stderr, "previous option\n"); | |
e0d19036 NB |
1076 | exit(2); |
1077 | } | |
1078 | devmode = opt; | |
74db60b0 N |
1079 | if (opt == Dump || opt == Restore) { |
1080 | if (dump_directory != NULL) { | |
1081 | pr_err("dump/restore directory specified twice: %s and %s\n", | |
1082 | dump_directory, optarg); | |
1083 | exit(2); | |
1084 | } | |
1085 | dump_directory = optarg; | |
1086 | } | |
e0d19036 | 1087 | continue; |
7d27d1c0 N |
1088 | case O(MISC, UdevRules): |
1089 | if (devmode && devmode != opt) { | |
7a862a02 | 1090 | pr_err("--udev-rules must be the only option.\n"); |
7d27d1c0 N |
1091 | } else { |
1092 | if (udev_filename) | |
7a862a02 | 1093 | pr_err("only specify one udev rule filename. %s ignored.\n", |
7d27d1c0 N |
1094 | optarg); |
1095 | else | |
1096 | udev_filename = optarg; | |
1097 | } | |
1098 | devmode = opt; | |
1099 | continue; | |
feb716e9 | 1100 | case O(MISC,'t'): |
9e33d556 | 1101 | c.test = 1; |
feb716e9 | 1102 | continue; |
e0d19036 | 1103 | |
997aed5d | 1104 | case O(MISC, Sparc22): |
bd526cee | 1105 | if (devmode != 'E') { |
e7b84f9d | 1106 | pr_err("--sparc2.2 only allowed with --examine\n"); |
bd526cee NB |
1107 | exit(2); |
1108 | } | |
9e33d556 | 1109 | c.SparcAdjust = 1; |
bd526cee | 1110 | continue; |
c82f047c NB |
1111 | |
1112 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
1c7a808c | 1113 | case O(ASSEMBLE,Bitmap): |
c82f047c | 1114 | if (!optarg) { |
e7b84f9d | 1115 | pr_err("bitmap file needed with -b in --assemble mode\n"); |
c82f047c NB |
1116 | exit(2); |
1117 | } | |
72b616af ZL |
1118 | if (strcmp(optarg, "internal") == 0 || |
1119 | strcmp(optarg, "clustered") == 0) { | |
1120 | pr_err("no need to specify --bitmap when assembling" | |
1121 | " arrays with internal or clustered bitmap\n"); | |
55935d51 NB |
1122 | continue; |
1123 | } | |
c82f047c NB |
1124 | bitmap_fd = open(optarg, O_RDWR); |
1125 | if (!*optarg || bitmap_fd < 0) { | |
e7b84f9d | 1126 | pr_err("cannot open bitmap file %s: %s\n", optarg, strerror(errno)); |
c82f047c NB |
1127 | exit(2); |
1128 | } | |
1129 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
1130 | continue; | |
f5e166fe | 1131 | |
997aed5d NB |
1132 | case O(ASSEMBLE, BackupFile): |
1133 | case O(GROW, BackupFile): | |
06b0d786 NB |
1134 | /* Specify a file into which grow might place a backup, |
1135 | * or from which assemble might recover a backup | |
1136 | */ | |
9e33d556 | 1137 | if (c.backup_file) { |
e7b84f9d | 1138 | pr_err("backup file already specified, rejecting %s\n", optarg); |
06b0d786 NB |
1139 | exit(2); |
1140 | } | |
9e33d556 | 1141 | c.backup_file = optarg; |
06b0d786 NB |
1142 | continue; |
1143 | ||
2dddadb0 AK |
1144 | case O(GROW, Continue): |
1145 | /* Continue interrupted grow | |
1146 | */ | |
1147 | grow_continue = 1; | |
1148 | continue; | |
87f26d14 N |
1149 | case O(ASSEMBLE, InvalidBackup): |
1150 | /* Acknowledge that the backupfile is invalid, but ask | |
1151 | * to continue anyway | |
1152 | */ | |
9e33d556 | 1153 | c.invalid_backup = 1; |
87f26d14 N |
1154 | continue; |
1155 | ||
c82f047c | 1156 | case O(BUILD,'b'): |
1c7a808c N |
1157 | case O(BUILD,Bitmap): |
1158 | case O(CREATE,'b'): | |
1159 | case O(CREATE,Bitmap): /* here we create the bitmap */ | |
85375d6d | 1160 | case O(GROW,'b'): |
1c7a808c | 1161 | case O(GROW,Bitmap): |
27c48b37 ZL |
1162 | if (s.bitmap_file) { |
1163 | pr_err("bitmap cannot be set twice. Second value: %s.\n", optarg); | |
1164 | exit(2); | |
1165 | } | |
9d1fbf65 JS |
1166 | if (strcmp(optarg, "internal") == 0 || |
1167 | strcmp(optarg, "none") == 0 || | |
1e0d770c | 1168 | strchr(optarg, '/') != NULL) { |
e705e81b | 1169 | s.bitmap_file = optarg; |
1e0d770c NB |
1170 | continue; |
1171 | } | |
9d1fbf65 | 1172 | if (strcmp(optarg, "clustered") == 0) { |
529e2aa5 GJ |
1173 | s.bitmap_file = optarg; |
1174 | /* Set the default number of cluster nodes | |
1175 | * to 4 if not already set by user | |
1176 | */ | |
1177 | if (c.nodes < 1) | |
1178 | c.nodes = 4; | |
1179 | continue; | |
1180 | } | |
1e0d770c | 1181 | /* probable typo */ |
e19a149c | 1182 | pr_err("bitmap file must contain a '/', or be 'internal', or be 'clustered', or 'none'\n" |
a1331cc4 | 1183 | " not '%s'\n", optarg); |
1e0d770c | 1184 | exit(2); |
c82f047c | 1185 | |
997aed5d NB |
1186 | case O(GROW,BitmapChunk): |
1187 | case O(BUILD,BitmapChunk): | |
1188 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
e705e81b | 1189 | s.bitmap_chunk = parse_size(optarg); |
822e393a N |
1190 | if (s.bitmap_chunk == 0 || |
1191 | s.bitmap_chunk == INVALID_SECTORS || | |
e705e81b | 1192 | s.bitmap_chunk & (s.bitmap_chunk - 1)) { |
e7b84f9d N |
1193 | pr_err("invalid bitmap chunksize: %s\n", |
1194 | optarg); | |
c82f047c NB |
1195 | exit(2); |
1196 | } | |
e705e81b | 1197 | s.bitmap_chunk = s.bitmap_chunk * 512; |
c82f047c | 1198 | continue; |
dfd4d8ee | 1199 | |
7d19ad0d | 1200 | case O(GROW, WriteBehind): |
997aed5d | 1201 | case O(BUILD, WriteBehind): |
60815698 | 1202 | case O(CREATE, WriteBehind): |
e705e81b | 1203 | s.write_behind = DEFAULT_MAX_WRITE_BEHIND; |
60815698 MG |
1204 | if (parse_num(&s.write_behind, optarg) != 0 || |
1205 | s.write_behind < 0 || s.write_behind > 16383) { | |
1206 | pr_err("Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", | |
1207 | optarg); | |
1208 | exit(2); | |
dfd4d8ee NB |
1209 | } |
1210 | continue; | |
8382f19b | 1211 | case O(INCREMENTAL, 'r'): |
1c7a808c | 1212 | case O(INCREMENTAL, RebuildMapOpt): |
8382f19b NB |
1213 | rebuild_map = 1; |
1214 | continue; | |
950bc344 PC |
1215 | case O(INCREMENTAL, IncrementalPath): |
1216 | remove_path = optarg; | |
1217 | continue; | |
cc1799c3 SL |
1218 | case O(CREATE, WriteJournal): |
1219 | if (s.journaldisks) { | |
1220 | pr_err("Please specify only one journal device for the array.\n"); | |
1221 | pr_err("Ignoring --write-journal %s...\n", optarg); | |
1222 | continue; | |
1223 | } | |
1224 | dv = xmalloc(sizeof(*dv)); | |
1225 | dv->devname = optarg; | |
1226 | dv->disposition = 'j'; /* WriteJournal */ | |
1227 | dv->used = 0; | |
1228 | dv->next = NULL; | |
1229 | *devlistend = dv; | |
1230 | devlistend = &dv->next; | |
1231 | devs_found++; | |
1232 | ||
1233 | s.journaldisks = 1; | |
1234 | continue; | |
5308f117 | 1235 | case O(CREATE, 'k'): |
860f11ed | 1236 | case O(GROW, 'k'): |
5308f117 AP |
1237 | s.consistency_policy = map_name(consistency_policies, |
1238 | optarg); | |
b7580566 | 1239 | if (s.consistency_policy < CONSISTENCY_POLICY_RESYNC) { |
5308f117 AP |
1240 | pr_err("Invalid consistency policy: %s\n", |
1241 | optarg); | |
1242 | exit(2); | |
1243 | } | |
1244 | continue; | |
52826846 NB |
1245 | } |
1246 | /* We have now processed all the valid options. Anything else is | |
1247 | * an error | |
1248 | */ | |
06b0d786 | 1249 | if (option_index > 0) |
e7b84f9d | 1250 | pr_err(":option --%s not valid in %s mode\n", |
06b0d786 | 1251 | long_options[option_index].name, |
5f21d674 | 1252 | map_num_s(modes, mode)); |
06b0d786 | 1253 | else |
e7b84f9d | 1254 | pr_err("option -%c not valid in %s mode\n", |
5f21d674 | 1255 | opt, map_num_s(modes, mode)); |
64c4757e | 1256 | exit(2); |
52826846 NB |
1257 | |
1258 | } | |
1259 | ||
3d4064cc | 1260 | if (print_help) { |
5187a385 | 1261 | char *help_text; |
3d4064cc NB |
1262 | if (print_help == 2) |
1263 | help_text = OptionHelp; | |
1264 | else | |
5187a385 N |
1265 | help_text = mode_help[mode]; |
1266 | if (help_text == NULL) | |
1267 | help_text = Help; | |
0047d254 | 1268 | fputs(help_text,stdout); |
3d4064cc NB |
1269 | exit(0); |
1270 | } | |
1271 | ||
5308f117 AP |
1272 | if (s.journaldisks) { |
1273 | if (s.level < 4 || s.level > 6) { | |
1274 | pr_err("--write-journal is only supported for RAID level 4/5/6.\n"); | |
1275 | exit(2); | |
1276 | } | |
b7580566 | 1277 | if (s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN && |
5308f117 AP |
1278 | s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) { |
1279 | pr_err("--write-journal is not supported with consistency policy: %s\n", | |
5f21d674 | 1280 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1281 | exit(2); |
1282 | } | |
1283 | } | |
1284 | ||
b7580566 AP |
1285 | if (mode == CREATE && |
1286 | s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN) { | |
5308f117 AP |
1287 | if (s.level <= 0) { |
1288 | pr_err("--consistency-policy not meaningful with level %s.\n", | |
5f21d674 | 1289 | map_num_s(pers, s.level)); |
5308f117 AP |
1290 | exit(2); |
1291 | } else if (s.consistency_policy == CONSISTENCY_POLICY_JOURNAL && | |
1292 | !s.journaldisks) { | |
1293 | pr_err("--write-journal is required for consistency policy: %s\n", | |
5f21d674 | 1294 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1295 | exit(2); |
1296 | } else if (s.consistency_policy == CONSISTENCY_POLICY_PPL && | |
1297 | s.level != 5) { | |
1298 | pr_err("PPL consistency policy is only supported for RAID level 5.\n"); | |
1299 | exit(2); | |
1300 | } else if (s.consistency_policy == CONSISTENCY_POLICY_BITMAP && | |
1301 | (!s.bitmap_file || | |
1302 | strcmp(s.bitmap_file, "none") == 0)) { | |
1303 | pr_err("--bitmap is required for consistency policy: %s\n", | |
5f21d674 | 1304 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1305 | exit(2); |
1306 | } else if (s.bitmap_file && | |
1307 | strcmp(s.bitmap_file, "none") != 0 && | |
1308 | s.consistency_policy != CONSISTENCY_POLICY_BITMAP && | |
1309 | s.consistency_policy != CONSISTENCY_POLICY_JOURNAL) { | |
1310 | pr_err("--bitmap is not compatible with consistency policy: %s\n", | |
5f21d674 | 1311 | map_num_s(consistency_policies, s.consistency_policy)); |
5308f117 AP |
1312 | exit(2); |
1313 | } | |
cc1799c3 SL |
1314 | } |
1315 | ||
0320ea45 NB |
1316 | if (!mode && devs_found) { |
1317 | mode = MISC; | |
1318 | devmode = 'Q'; | |
1319 | if (devlist->disposition == 0) | |
1320 | devlist->disposition = devmode; | |
1321 | } | |
52826846 NB |
1322 | if (!mode) { |
1323 | fputs(Usage, stderr); | |
64c4757e | 1324 | exit(2); |
64c4757e | 1325 | } |
38098016 NB |
1326 | |
1327 | if (symlinks) { | |
1328 | struct createinfo *ci = conf_get_create_info(); | |
1329 | ||
1330 | if (strcasecmp(symlinks, "yes") == 0) | |
1331 | ci->symlinks = 1; | |
1332 | else if (strcasecmp(symlinks, "no") == 0) | |
1333 | ci->symlinks = 0; | |
1334 | else { | |
e7b84f9d | 1335 | pr_err("option --symlinks must be 'no' or 'yes'\n"); |
38098016 NB |
1336 | exit(2); |
1337 | } | |
1338 | } | |
52826846 NB |
1339 | /* Ok, got the option parsing out of the way |
1340 | * hopefully it's mostly right but there might be some stuff | |
1341 | * missing | |
1342 | * | |
e93bb91b | 1343 | * That is mostly checked in the per-mode stuff but... |
52826846 | 1344 | * |
18361a1a N |
1345 | * For @,B,C and A without -s, the first device listed must be |
1346 | * an md device. We check that here and open it. | |
64c4757e | 1347 | */ |
52826846 | 1348 | |
9d1fbf65 JS |
1349 | if (mode == MANAGE || mode == BUILD || mode == CREATE || |
1350 | mode == GROW || (mode == ASSEMBLE && ! c.scan)) { | |
52826846 | 1351 | if (devs_found < 1) { |
e7b84f9d | 1352 | pr_err("an md device must be given in this mode\n"); |
52826846 NB |
1353 | exit(2); |
1354 | } | |
9e33d556 | 1355 | if ((int)ident.super_minor == -2 && c.autof) { |
e7b84f9d | 1356 | pr_err("--super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
1357 | exit(2); |
1358 | } | |
7f91af49 | 1359 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 1360 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
1361 | if (mdfd < 0) |
1362 | exit(1); | |
ced5fa8b BK |
1363 | } else { |
1364 | char *bname = basename(devlist->devname); | |
1365 | ||
1366 | if (strlen(bname) > MD_NAME_MAX) { | |
1367 | pr_err("Name %s is too long.\n", devlist->devname); | |
1368 | exit(1); | |
1369 | } | |
7f91af49 N |
1370 | /* non-existent device is OK */ |
1371 | mdfd = open_mddev(devlist->devname, 0); | |
ced5fa8b | 1372 | } |
7f91af49 | 1373 | if (mdfd == -2) { |
7a862a02 | 1374 | pr_err("device %s exists but is not an md array.\n", devlist->devname); |
52826846 | 1375 | exit(1); |
7f91af49 | 1376 | } |
98c6faba | 1377 | if ((int)ident.super_minor == -2) { |
d013a55e | 1378 | struct stat stb; |
7f91af49 | 1379 | if (mdfd < 0) { |
7a862a02 | 1380 | pr_err("--super-minor=dev given, and listed device %s doesn't exist.\n", |
7f91af49 N |
1381 | devlist->devname); |
1382 | exit(1); | |
1383 | } | |
d013a55e | 1384 | fstat(mdfd, &stb); |
0df46c2a | 1385 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 1386 | } |
7f91af49 N |
1387 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
1388 | /* We don't really want this open yet, we just might | |
1389 | * have wanted to check some things | |
1390 | */ | |
1391 | close(mdfd); | |
1392 | mdfd = -1; | |
1393 | } | |
64c4757e | 1394 | } |
52826846 | 1395 | |
e705e81b N |
1396 | if (s.raiddisks) { |
1397 | if (s.raiddisks == 1 && !c.force && s.level != LEVEL_FAULTY) { | |
e7b84f9d | 1398 | pr_err("'1' is an unusual number of drives for an array, so it is probably\n" |
e4c4352e NB |
1399 | " a mistake. If you really mean it you will need to specify --force before\n" |
1400 | " setting the number of drives.\n"); | |
1401 | exit(2); | |
1402 | } | |
1403 | } | |
c82f047c | 1404 | |
86b77ddf | 1405 | if (c.homehost == NULL && c.require_homehost) |
9e33d556 | 1406 | c.homehost = conf_get_homehost(&c.require_homehost); |
9d1fbf65 | 1407 | if (c.homehost == NULL || strcasecmp(c.homehost, "<system>") == 0) { |
05697ec1 NB |
1408 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1409 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
9e33d556 | 1410 | c.homehost = sys_hostname; |
05697ec1 NB |
1411 | } |
1412 | } | |
9d1fbf65 JS |
1413 | if (c.homehost && |
1414 | (!c.homehost[0] || strcasecmp(c.homehost, "<none>") == 0)) { | |
9e33d556 N |
1415 | c.homehost = NULL; |
1416 | c.require_homehost = 0; | |
0f23aa88 | 1417 | } |
997aed5d | 1418 | |
380487fd | 1419 | rv = 0; |
e80357f8 GJ |
1420 | |
1421 | set_hooks(); /* set hooks from libs */ | |
1422 | ||
7716570e GJ |
1423 | if (c.homecluster == NULL && (c.nodes > 0)) { |
1424 | c.homecluster = conf_get_homecluster(); | |
1425 | if (c.homecluster == NULL) | |
1426 | rv = get_cluster_name(&c.homecluster); | |
380487fd | 1427 | if (rv) { |
7716570e GJ |
1428 | pr_err("The md can't get cluster name\n"); |
1429 | exit(1); | |
1430 | } | |
1431 | } | |
1432 | ||
138a9e9b XN |
1433 | if (c.update && strcmp(c.update, "nodes") == 0 && c.nodes == 0) { |
1434 | pr_err("Please specify nodes number with --nodes\n"); | |
1435 | exit(1); | |
1436 | } | |
1437 | ||
8192902f N |
1438 | if (c.backup_file && data_offset != INVALID_SECTORS) { |
1439 | pr_err("--backup-file and --data-offset are incompatible\n"); | |
1440 | exit(2); | |
1441 | } | |
1442 | ||
9d1fbf65 JS |
1443 | if ((mode == MISC && devmode == 'E') || |
1444 | (mode == MONITOR && spare_sharing == 0)) | |
18361a1a N |
1445 | /* Anyone may try this */; |
1446 | else if (geteuid() != 0) { | |
e7b84f9d | 1447 | pr_err("must be super-user to perform this action\n"); |
ac5678dd N |
1448 | exit(1); |
1449 | } | |
1450 | ||
9e33d556 | 1451 | ident.autof = c.autof; |
7f91af49 | 1452 | |
265460ab N |
1453 | if (c.scan && c.verbose < 2) |
1454 | /* --scan implied --brief unless -vv */ | |
1455 | c.brief = 1; | |
1456 | ||
1b7eb962 GJ |
1457 | if (mode == CREATE) { |
1458 | if (s.bitmap_file && strcmp(s.bitmap_file, "clustered") == 0) { | |
1459 | locked = cluster_get_dlmlock(); | |
1460 | if (locked != 1) | |
1461 | exit(1); | |
1462 | } | |
1463 | } else if (mode == MANAGE || mode == GROW || mode == INCREMENTAL) { | |
1464 | if (!md_get_array_info(mdfd, &array) && (devmode != 'c')) { | |
1465 | if (array.state & (1 << MD_SB_CLUSTERED)) { | |
1466 | locked = cluster_get_dlmlock(); | |
1467 | if (locked != 1) | |
1468 | exit(1); | |
1469 | } | |
1470 | } | |
1471 | } | |
1472 | ||
52826846 | 1473 | switch(mode) { |
e0d19036 | 1474 | case MANAGE: |
52826846 | 1475 | /* readonly, add/remove, readwrite, runstop */ |
9e33d556 N |
1476 | if (c.readonly > 0) |
1477 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
52826846 | 1478 | if (!rv && devs_found>1) |
cd29a5c8 | 1479 | rv = Manage_subdevs(devlist->devname, mdfd, |
0937132d | 1480 | devlist->next, c.verbose, c.test, |
9e33d556 N |
1481 | c.update, c.force); |
1482 | if (!rv && c.readonly < 0) | |
1483 | rv = Manage_ro(devlist->devname, mdfd, c.readonly); | |
fe7e0e64 | 1484 | if (!rv && c.runstop > 0) |
d5a40416 | 1485 | rv = Manage_run(devlist->devname, mdfd, &c); |
fe7e0e64 N |
1486 | if (!rv && c.runstop < 0) |
1487 | rv = Manage_stop(devlist->devname, mdfd, c.verbose, 0); | |
52826846 | 1488 | break; |
e0d19036 | 1489 | case ASSEMBLE: |
1e93d0d1 BK |
1490 | if (!c.scan && c.runstop == -1) { |
1491 | pr_err("--no-degraded not meaningful without a --scan assembly.\n"); | |
1492 | exit(1); | |
1493 | } else if (devs_found == 1 && ident.uuid_set == 0 && | |
1494 | ident.super_minor == UnSet && ident.name[0] == 0 && | |
1495 | !c.scan) { | |
d013a55e | 1496 | /* Only a device has been given, so get details from config file */ |
fa56eddb | 1497 | struct mddev_ident *array_ident = conf_get_ident(devlist->devname); |
b5e64645 | 1498 | if (array_ident == NULL) { |
e7b84f9d | 1499 | pr_err("%s not identified in config file.\n", |
b5e64645 | 1500 | devlist->devname); |
d013a55e | 1501 | rv |= 1; |
7f91af49 N |
1502 | if (mdfd >= 0) |
1503 | close(mdfd); | |
b5e64645 | 1504 | } else { |
7f91af49 | 1505 | if (array_ident->autof == 0) |
9e33d556 | 1506 | array_ident->autof = c.autof; |
7f91af49 | 1507 | rv |= Assemble(ss, devlist->devname, array_ident, |
4977146a | 1508 | NULL, &c); |
d013a55e | 1509 | } |
9e33d556 | 1510 | } else if (!c.scan) |
7f91af49 | 1511 | rv = Assemble(ss, devlist->devname, &ident, |
4977146a | 1512 | devlist->next, &c); |
18361a1a | 1513 | else if (devs_found > 0) { |
9e33d556 | 1514 | if (c.update && devs_found > 1) { |
e7b84f9d | 1515 | pr_err("can only update a single array at a time\n"); |
5787fa49 NB |
1516 | exit(1); |
1517 | } | |
9e33d556 | 1518 | if (c.backup_file && devs_found > 1) { |
e7b84f9d | 1519 | pr_err("can only assemble a single array when providing a backup file.\n"); |
06b0d786 NB |
1520 | exit(1); |
1521 | } | |
8ea98217 | 1522 | for (dv = devlist; dv; dv = dv->next) { |
fa56eddb | 1523 | struct mddev_ident *array_ident = conf_get_ident(dv->devname); |
52826846 | 1524 | if (array_ident == NULL) { |
e7b84f9d | 1525 | pr_err("%s not identified in config file.\n", |
cd29a5c8 | 1526 | dv->devname); |
52826846 NB |
1527 | rv |= 1; |
1528 | continue; | |
1529 | } | |
7f91af49 | 1530 | if (array_ident->autof == 0) |
9e33d556 | 1531 | array_ident->autof = c.autof; |
7f91af49 | 1532 | rv |= Assemble(ss, dv->devname, array_ident, |
4977146a | 1533 | NULL, &c); |
52826846 | 1534 | } |
5787fa49 | 1535 | } else { |
9e33d556 | 1536 | if (c.update) { |
e7b84f9d | 1537 | pr_err("--update not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1538 | exit(1); |
1539 | } | |
9e33d556 | 1540 | if (c.backup_file) { |
e7b84f9d | 1541 | pr_err("--backup_file not meaningful with a --scan assembly.\n"); |
da6b5ca9 NB |
1542 | exit(1); |
1543 | } | |
4977146a | 1544 | rv = scan_assemble(ss, &c, &ident); |
52826846 | 1545 | } |
3cbc4d12 | 1546 | |
52826846 | 1547 | break; |
e0d19036 | 1548 | case BUILD: |
9e33d556 N |
1549 | if (c.delay == 0) |
1550 | c.delay = DEFAULT_BITMAP_DELAY; | |
e705e81b | 1551 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1552 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1553 | rv = 1; |
1554 | break; | |
1555 | } | |
e705e81b | 1556 | if (s.raiddisks == 0) { |
e7b84f9d | 1557 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1558 | rv = 1; |
1559 | break; | |
1560 | } | |
dfd4d8ee | 1561 | |
e705e81b | 1562 | if (s.bitmap_file) { |
9d1fbf65 | 1563 | if (strcmp(s.bitmap_file, "internal") == 0 || |
6d9c7c25 GR |
1564 | strcmp(s.bitmap_file, "clustered") == 0) { |
1565 | pr_err("'internal' and 'clustered' bitmaps not supported with --build\n"); | |
55935d51 NB |
1566 | rv |= 1; |
1567 | break; | |
1568 | } | |
c82f047c | 1569 | } |
a4e8316a | 1570 | rv = Build(devlist->devname, devlist->next, &s, &c); |
52826846 | 1571 | break; |
e0d19036 | 1572 | case CREATE: |
9e33d556 N |
1573 | if (c.delay == 0) |
1574 | c.delay = DEFAULT_BITMAP_DELAY; | |
529e2aa5 GJ |
1575 | |
1576 | if (c.nodes) { | |
9d1fbf65 JS |
1577 | if (!s.bitmap_file || |
1578 | strcmp(s.bitmap_file, "clustered") != 0) { | |
529e2aa5 GJ |
1579 | pr_err("--nodes argument only compatible with --bitmap=clustered\n"); |
1580 | rv = 1; | |
1581 | break; | |
1582 | } | |
1583 | ||
5339f996 GJ |
1584 | if (s.level != 1 && s.level != 10) { |
1585 | pr_err("--bitmap=clustered is currently supported with raid1/10 only\n"); | |
1586 | rv = 1; | |
1587 | break; | |
1588 | } | |
18160d34 | 1589 | if (s.level == 10 && !(is_near_layout_10(s.layout) || s.layout == UnSet)) { |
5339f996 | 1590 | pr_err("only near layout is supported with clustered raid10\n"); |
529e2aa5 GJ |
1591 | rv = 1; |
1592 | break; | |
1593 | } | |
1594 | } | |
1595 | ||
e705e81b | 1596 | if (s.write_behind && !s.bitmap_file) { |
e7b84f9d | 1597 | pr_err("write-behind mode requires a bitmap.\n"); |
dfd4d8ee NB |
1598 | rv = 1; |
1599 | break; | |
1600 | } | |
e705e81b | 1601 | if (s.raiddisks == 0) { |
e7b84f9d | 1602 | pr_err("no raid-devices specified.\n"); |
5b28bd56 NB |
1603 | rv = 1; |
1604 | break; | |
1605 | } | |
f9ce90ba | 1606 | |
99cc42f4 N |
1607 | rv = Create(ss, devlist->devname, |
1608 | ident.name, ident.uuid_set ? ident.uuid : NULL, | |
171dccc8 | 1609 | devs_found-1, devlist->next, |
40c9a66a | 1610 | &s, &c, data_offset); |
52826846 | 1611 | break; |
e0d19036 | 1612 | case MISC: |
e0d19036 | 1613 | if (devmode == 'E') { |
9e33d556 | 1614 | if (devlist == NULL && !c.scan) { |
e7b84f9d | 1615 | pr_err("No devices to examine\n"); |
e0d19036 NB |
1616 | exit(2); |
1617 | } | |
1618 | if (devlist == NULL) | |
8aec876d | 1619 | devlist = conf_get_devs(); |
e0d19036 | 1620 | if (devlist == NULL) { |
e7b84f9d | 1621 | pr_err("No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1622 | exit(1); |
1623 | } | |
eec3f887 | 1624 | rv = Examine(devlist, &c, ss); |
4cce4069 | 1625 | } else if (devmode == DetailPlatform) { |
9eafa1de MN |
1626 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? c.scan : 1, |
1627 | c.verbose, c.export, | |
1628 | devlist ? devlist->devname : NULL); | |
7d27d1c0 | 1629 | } else if (devlist == NULL) { |
9e33d556 | 1630 | if (devmode == 'S' && c.scan) |
0937132d | 1631 | rv = stop_scan(c.verbose); |
9d1fbf65 JS |
1632 | else if ((devmode == 'D' || devmode == Waitclean) && |
1633 | c.scan) | |
ef898ce6 | 1634 | rv = misc_scan(devmode, &c); |
7d27d1c0 N |
1635 | else if (devmode == UdevRules) |
1636 | rv = Write_rules(udev_filename); | |
1637 | else { | |
e7b84f9d | 1638 | pr_err("No devices given.\n"); |
7d27d1c0 | 1639 | exit(2); |
e0d19036 | 1640 | } |
7d27d1c0 | 1641 | } else |
74db60b0 | 1642 | rv = misc_list(devlist, &ident, dump_directory, ss, &c); |
9a9dab36 | 1643 | break; |
e0d19036 | 1644 | case MONITOR: |
9e33d556 | 1645 | if (!devlist && !c.scan) { |
e7b84f9d | 1646 | pr_err("Cannot monitor: need --scan or at least one device\n"); |
e0d19036 NB |
1647 | rv = 1; |
1648 | break; | |
1649 | } | |
b5e64645 | 1650 | if (pidfile && !daemonise) { |
e7b84f9d | 1651 | pr_err("Cannot write a pid file when not in daemon mode\n"); |
b5e64645 NB |
1652 | rv = 1; |
1653 | break; | |
1654 | } | |
9e33d556 | 1655 | if (c.delay == 0) { |
0663137c | 1656 | c.delay = conf_get_monitor_delay(); |
1657 | if (!c.delay) | |
9e33d556 | 1658 | c.delay = 60; |
ddc7201f | 1659 | } |
8ea98217 JS |
1660 | rv = Monitor(devlist, mailaddr, program, |
1661 | &c, daemonise, oneshot, | |
1662 | dosyslog, pidfile, increments, | |
1663 | spare_sharing); | |
9a9dab36 | 1664 | break; |
dd0781e5 NB |
1665 | |
1666 | case GROW: | |
a93f8c65 | 1667 | if (array_size > 0) { |
84e11361 N |
1668 | /* alway impose array size first, independent of |
1669 | * anything else | |
9ce510be N |
1670 | * Do not allow level or raid_disks changes at the |
1671 | * same time as that can be irreversibly destructive. | |
84e11361 N |
1672 | */ |
1673 | struct mdinfo sra; | |
1674 | int err; | |
e705e81b | 1675 | if (s.raiddisks || s.level != UnSet) { |
7a862a02 | 1676 | pr_err("cannot change array size in same operation as changing raiddisks or level.\n" |
9ce510be N |
1677 | " Change size first, then check that data is still intact.\n"); |
1678 | rv = 1; | |
1679 | break; | |
1680 | } | |
dae13137 JS |
1681 | if (sysfs_init(&sra, mdfd, NULL)) { |
1682 | rv = 1; | |
1683 | break; | |
1684 | } | |
a93f8c65 | 1685 | if (array_size == MAX_SIZE) |
84e11361 N |
1686 | err = sysfs_set_str(&sra, NULL, "array_size", "default"); |
1687 | else | |
1688 | err = sysfs_set_num(&sra, NULL, "array_size", array_size / 2); | |
1689 | if (err < 0) { | |
1690 | if (errno == E2BIG) | |
7a862a02 | 1691 | pr_err("--array-size setting is too large.\n"); |
84e11361 | 1692 | else |
7a862a02 | 1693 | pr_err("current kernel does not support setting --array-size\n"); |
84e11361 N |
1694 | rv = 1; |
1695 | break; | |
1696 | } | |
1697 | } | |
1c8b90df | 1698 | if (devs_found > 1 && s.raiddisks == 0 && s.level == UnSet) { |
e5329c37 | 1699 | /* must be '-a'. */ |
9d1fbf65 JS |
1700 | if (s.size > 0 || s.chunk || |
1701 | s.layout_str || s.bitmap_file) { | |
7a862a02 | 1702 | pr_err("--add cannot be used with other geometry changes in --grow mode\n"); |
e5329c37 NB |
1703 | rv = 1; |
1704 | break; | |
1705 | } | |
8ea98217 | 1706 | for (dv = devlist->next; dv; dv = dv->next) { |
e2e53a2d N |
1707 | rv = Grow_Add_device(devlist->devname, mdfd, |
1708 | dv->devname); | |
e5329c37 NB |
1709 | if (rv) |
1710 | break; | |
1711 | } | |
e705e81b N |
1712 | } else if (s.bitmap_file) { |
1713 | if (s.size > 0 || s.raiddisks || s.chunk || | |
9d1fbf65 | 1714 | s.layout_str || devs_found > 1) { |
7a862a02 | 1715 | pr_err("--bitmap changes cannot be used with other geometry changes in --grow mode\n"); |
7236ee7a N |
1716 | rv = 1; |
1717 | break; | |
1718 | } | |
9e33d556 N |
1719 | if (c.delay == 0) |
1720 | c.delay = DEFAULT_BITMAP_DELAY; | |
50f01ba5 | 1721 | rv = Grow_addbitmap(devlist->devname, mdfd, &c, &s); |
2dddadb0 AK |
1722 | } else if (grow_continue) |
1723 | rv = Grow_continue_command(devlist->devname, | |
9e33d556 | 1724 | mdfd, c.backup_file, |
0937132d | 1725 | c.verbose); |
9d1fbf65 JS |
1726 | else if (s.size > 0 || s.raiddisks || s.layout_str || |
1727 | s.chunk != 0 || s.level != UnSet || | |
1728 | data_offset != INVALID_SECTORS) { | |
32754b7d | 1729 | rv = Grow_reshape(devlist->devname, mdfd, |
40c9a66a N |
1730 | devlist->next, |
1731 | data_offset, &c, &s); | |
b7580566 | 1732 | } else if (s.consistency_policy != CONSISTENCY_POLICY_UNKNOWN) { |
860f11ed | 1733 | rv = Grow_consistency_policy(devlist->devname, mdfd, &c, &s); |
a93f8c65 | 1734 | } else if (array_size == 0) |
e7b84f9d | 1735 | pr_err("no changes to --grow\n"); |
dd0781e5 | 1736 | break; |
8382f19b NB |
1737 | case INCREMENTAL: |
1738 | if (rebuild_map) { | |
1739 | RebuildMap(); | |
1740 | } | |
9e33d556 | 1741 | if (c.scan) { |
9eaf410f N |
1742 | rv = 1; |
1743 | if (devlist) { | |
1744 | pr_err("In --incremental mode, a device cannot be given with --scan.\n"); | |
1745 | break; | |
1746 | } | |
9e33d556 | 1747 | if (c.runstop <= 0) { |
e7b84f9d | 1748 | pr_err("--incremental --scan meaningless without --run.\n"); |
8382f19b NB |
1749 | break; |
1750 | } | |
29ba4804 | 1751 | if (devmode == 'f') { |
e7b84f9d | 1752 | pr_err("--incremental --scan --fail not supported.\n"); |
29ba4804 N |
1753 | break; |
1754 | } | |
d5a40416 | 1755 | rv = IncrementalScan(&c, NULL); |
8382f19b NB |
1756 | } |
1757 | if (!devlist) { | |
9e33d556 | 1758 | if (!rebuild_map && !c.scan) { |
e7b84f9d | 1759 | pr_err("--incremental requires a device.\n"); |
8382f19b NB |
1760 | rv = 1; |
1761 | } | |
1762 | break; | |
1763 | } | |
b11fe74d N |
1764 | if (devmode == 'f') { |
1765 | if (devlist->next) { | |
1766 | pr_err("'--incremental --fail' can only handle one device.\n"); | |
1767 | rv = 1; | |
1768 | break; | |
1769 | } | |
950bc344 | 1770 | rv = IncrementalRemove(devlist->devname, remove_path, |
0937132d | 1771 | c.verbose); |
b11fe74d N |
1772 | } else |
1773 | rv = Incremental(devlist, &c, ss); | |
1f48664b NB |
1774 | break; |
1775 | case AUTODETECT: | |
1776 | autodetect(); | |
1777 | break; | |
64c4757e | 1778 | } |
1b7eb962 GJ |
1779 | if (locked) |
1780 | cluster_release_dlmlock(); | |
b71de056 | 1781 | close_fd(&mdfd); |
52826846 | 1782 | exit(rv); |
64c4757e | 1783 | } |
3cbc4d12 | 1784 | |
4977146a N |
1785 | static int scan_assemble(struct supertype *ss, |
1786 | struct context *c, | |
1787 | struct mddev_ident *ident) | |
3cbc4d12 N |
1788 | { |
1789 | struct mddev_ident *a, *array_list = conf_get_ident(NULL); | |
1790 | struct mddev_dev *devlist = conf_get_devs(); | |
1791 | struct map_ent *map = NULL; | |
1792 | int cnt = 0; | |
1793 | int rv = 0; | |
1794 | int failures, successes; | |
1795 | ||
1796 | if (conf_verify_devnames(array_list)) { | |
7a862a02 | 1797 | pr_err("Duplicate MD device names in conf file were found.\n"); |
3cbc4d12 N |
1798 | return 1; |
1799 | } | |
1800 | if (devlist == NULL) { | |
e7b84f9d | 1801 | pr_err("No devices listed in conf file were found.\n"); |
3cbc4d12 N |
1802 | return 1; |
1803 | } | |
8ea98217 | 1804 | for (a = array_list; a; a = a->next) { |
3cbc4d12 N |
1805 | a->assembled = 0; |
1806 | if (a->autof == 0) | |
4977146a | 1807 | a->autof = c->autof; |
3cbc4d12 N |
1808 | } |
1809 | if (map_lock(&map)) | |
1ade5cc1 | 1810 | pr_err("failed to get exclusive lock on mapfile\n"); |
3cbc4d12 N |
1811 | do { |
1812 | failures = 0; | |
1813 | successes = 0; | |
1814 | rv = 0; | |
8ea98217 | 1815 | for (a = array_list; a; a = a->next) { |
3cbc4d12 N |
1816 | int r; |
1817 | if (a->assembled) | |
1818 | continue; | |
1819 | if (a->devname && | |
1820 | strcasecmp(a->devname, "<ignore>") == 0) | |
1821 | continue; | |
1011e834 | 1822 | |
3cbc4d12 | 1823 | r = Assemble(ss, a->devname, |
4977146a | 1824 | a, NULL, c); |
3cbc4d12 N |
1825 | if (r == 0) { |
1826 | a->assembled = 1; | |
1827 | successes++; | |
1828 | } else | |
1829 | failures++; | |
1830 | rv |= r; | |
1831 | cnt++; | |
1832 | } | |
1833 | } while (failures && successes); | |
4977146a | 1834 | if (c->homehost && cnt == 0) { |
3cbc4d12 N |
1835 | /* Maybe we can auto-assemble something. |
1836 | * Repeatedly call Assemble in auto-assemble mode | |
1837 | * until it fails | |
1838 | */ | |
1839 | int rv2; | |
1840 | int acnt; | |
4977146a | 1841 | ident->autof = c->autof; |
3cbc4d12 N |
1842 | do { |
1843 | struct mddev_dev *devlist = conf_get_devs(); | |
1844 | acnt = 0; | |
1845 | do { | |
1846 | rv2 = Assemble(ss, NULL, | |
1847 | ident, | |
4977146a | 1848 | devlist, c); |
9d1fbf65 | 1849 | if (rv2 == 0) { |
3cbc4d12 N |
1850 | cnt++; |
1851 | acnt++; | |
1852 | } | |
9d1fbf65 | 1853 | } while (rv2 != 2); |
3cbc4d12 N |
1854 | /* Incase there are stacked devices, we need to go around again */ |
1855 | } while (acnt); | |
1856 | if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1857 | pr_err("No arrays found in config file or automatically\n"); |
3cbc4d12 N |
1858 | rv = 1; |
1859 | } else if (cnt) | |
1860 | rv = 0; | |
1861 | } else if (cnt == 0 && rv == 0) { | |
e7b84f9d | 1862 | pr_err("No arrays found in config file\n"); |
3cbc4d12 N |
1863 | rv = 1; |
1864 | } | |
1865 | map_unlock(&map); | |
1866 | return rv; | |
1867 | } | |
7d27d1c0 | 1868 | |
ef898ce6 | 1869 | static int misc_scan(char devmode, struct context *c) |
7d27d1c0 N |
1870 | { |
1871 | /* apply --detail or --wait-clean to | |
1872 | * all devices in /proc/mdstat | |
1873 | */ | |
1874 | struct mdstat_ent *ms = mdstat_read(0, 1); | |
1875 | struct mdstat_ent *e; | |
1876 | struct map_ent *map = NULL; | |
1877 | int members; | |
7d27d1c0 N |
1878 | int rv = 0; |
1879 | ||
1880 | for (members = 0; members <= 1; members++) { | |
8ea98217 | 1881 | for (e = ms; e; e = e->next) { |
743eaf8b | 1882 | char *name = NULL; |
7d27d1c0 | 1883 | struct map_ent *me; |
743eaf8b | 1884 | struct stat stb; |
7d27d1c0 N |
1885 | int member = e->metadata_version && |
1886 | strncmp(e->metadata_version, | |
1887 | "external:/", 10) == 0; | |
1888 | if (members != member) | |
1889 | continue; | |
4dd2df09 | 1890 | me = map_by_devnm(&map, e->devnm); |
fc54fe7a | 1891 | if (me && me->path && strcmp(me->path, "/unknown") != 0) |
7d27d1c0 | 1892 | name = me->path; |
9d1fbf65 | 1893 | if (name == NULL || stat(name, &stb) != 0) |
4dd2df09 | 1894 | name = get_md_name(e->devnm); |
7d27d1c0 N |
1895 | |
1896 | if (!name) { | |
e7b84f9d | 1897 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1898 | e->devnm); |
7d27d1c0 N |
1899 | continue; |
1900 | } | |
1901 | if (devmode == 'D') | |
ef898ce6 | 1902 | rv |= Detail(name, c); |
7d27d1c0 | 1903 | else |
1ea04629 | 1904 | rv |= WaitClean(name, c->verbose); |
7d27d1c0 | 1905 | put_md_name(name); |
898bd1ec GJ |
1906 | map_free(map); |
1907 | map = NULL; | |
7d27d1c0 N |
1908 | } |
1909 | } | |
1910 | free_mdstat(ms); | |
1911 | return rv; | |
1912 | } | |
1913 | ||
ba728be7 | 1914 | static int stop_scan(int verbose) |
7d27d1c0 N |
1915 | { |
1916 | /* apply --stop to all devices in /proc/mdstat */ | |
1917 | /* Due to possible stacking of devices, repeat until | |
1918 | * nothing more can be stopped | |
1919 | */ | |
8ea98217 | 1920 | int progress = 1, err; |
7d27d1c0 N |
1921 | int last = 0; |
1922 | int rv = 0; | |
1923 | do { | |
1924 | struct mdstat_ent *ms = mdstat_read(0, 0); | |
1925 | struct mdstat_ent *e; | |
1926 | ||
1927 | if (!progress) last = 1; | |
1928 | progress = 0; err = 0; | |
8ea98217 | 1929 | for (e = ms; e; e = e->next) { |
4dd2df09 | 1930 | char *name = get_md_name(e->devnm); |
7d27d1c0 N |
1931 | int mdfd; |
1932 | ||
1933 | if (!name) { | |
e7b84f9d | 1934 | pr_err("cannot find device file for %s\n", |
9581efb1 | 1935 | e->devnm); |
7d27d1c0 N |
1936 | continue; |
1937 | } | |
1938 | mdfd = open_mddev(name, 1); | |
1939 | if (mdfd >= 0) { | |
fe7e0e64 | 1940 | if (Manage_stop(name, mdfd, verbose, !last)) |
7d27d1c0 N |
1941 | err = 1; |
1942 | else | |
1943 | progress = 1; | |
1944 | close(mdfd); | |
1945 | } | |
1946 | ||
1947 | put_md_name(name); | |
1948 | } | |
1949 | free_mdstat(ms); | |
1950 | } while (!last && err); | |
1951 | if (err) | |
1952 | rv |= 1; | |
1953 | return rv; | |
1954 | } | |
1955 | ||
1956 | static int misc_list(struct mddev_dev *devlist, | |
86da243f | 1957 | struct mddev_ident *ident, |
74db60b0 | 1958 | char *dump_directory, |
86da243f | 1959 | struct supertype *ss, struct context *c) |
7d27d1c0 N |
1960 | { |
1961 | struct mddev_dev *dv; | |
1962 | int rv = 0; | |
1963 | ||
8ea98217 | 1964 | for (dv = devlist; dv; dv = (rv & 16) ? NULL : dv->next) { |
5fbc1f15 | 1965 | int mdfd = -1; |
7d27d1c0 N |
1966 | |
1967 | switch(dv->disposition) { | |
1968 | case 'D': | |
ef898ce6 | 1969 | rv |= Detail(dv->devname, c); |
7d27d1c0 N |
1970 | continue; |
1971 | case KillOpt: /* Zero superblock */ | |
1972 | if (ss) | |
86da243f | 1973 | rv |= Kill(dv->devname, ss, c->force, c->verbose,0); |
7d27d1c0 | 1974 | else { |
86da243f | 1975 | int v = c->verbose; |
7d27d1c0 | 1976 | do { |
86da243f | 1977 | rv |= Kill(dv->devname, NULL, c->force, v, 0); |
ba728be7 | 1978 | v = -1; |
7d27d1c0 | 1979 | } while (rv == 0); |
29d7f182 | 1980 | rv &= ~4; |
7d27d1c0 N |
1981 | } |
1982 | continue; | |
1983 | case 'Q': | |
ed180996 JS |
1984 | rv |= Query(dv->devname); |
1985 | continue; | |
7d27d1c0 | 1986 | case 'X': |
ed180996 JS |
1987 | rv |= ExamineBitmap(dv->devname, c->brief, ss); |
1988 | continue; | |
6d388a88 | 1989 | case ExamineBB: |
ed180996 JS |
1990 | rv |= ExamineBadblocks(dv->devname, c->brief, ss); |
1991 | continue; | |
7d27d1c0 N |
1992 | case 'W': |
1993 | case WaitOpt: | |
ed180996 JS |
1994 | rv |= Wait(dv->devname); |
1995 | continue; | |
7d27d1c0 | 1996 | case Waitclean: |
1ea04629 | 1997 | rv |= WaitClean(dv->devname, c->verbose); |
ed180996 | 1998 | continue; |
7d27d1c0 | 1999 | case KillSubarray: |
86da243f | 2000 | rv |= Kill_subarray(dv->devname, c->subarray, c->verbose); |
7d27d1c0 N |
2001 | continue; |
2002 | case UpdateSubarray: | |
86da243f | 2003 | if (c->update == NULL) { |
e7b84f9d | 2004 | pr_err("-U/--update must be specified with --update-subarray\n"); |
7d27d1c0 N |
2005 | rv |= 1; |
2006 | continue; | |
2007 | } | |
86da243f N |
2008 | rv |= Update_subarray(dv->devname, c->subarray, |
2009 | c->update, ident, c->verbose); | |
7d27d1c0 | 2010 | continue; |
74db60b0 N |
2011 | case Dump: |
2012 | rv |= Dump_metadata(dv->devname, dump_directory, c, ss); | |
2013 | continue; | |
2014 | case Restore: | |
2015 | rv |= Restore_metadata(dv->devname, dump_directory, c, ss, | |
2016 | (dv == devlist && dv->next == NULL)); | |
2017 | continue; | |
a740cf64 N |
2018 | case Action: |
2019 | rv |= SetAction(dv->devname, c->action); | |
2020 | continue; | |
7d27d1c0 | 2021 | } |
13428e2e GK |
2022 | |
2023 | if (dv->devname[0] != '/') | |
2024 | mdfd = open_dev(dv->devname); | |
2025 | if (dv->devname[0] == '/' || mdfd < 0) | |
2026 | mdfd = open_mddev(dv->devname, 1); | |
2027 | ||
8ea98217 | 2028 | if (mdfd >= 0) { |
7d27d1c0 N |
2029 | switch(dv->disposition) { |
2030 | case 'R': | |
d5a40416 | 2031 | c->runstop = 1; |
ed180996 JS |
2032 | rv |= Manage_run(dv->devname, mdfd, c); |
2033 | break; | |
7d27d1c0 | 2034 | case 'S': |
0530e2e0 NS |
2035 | if (c->scan) { |
2036 | pr_err("--stop not meaningful with both a --scan assembly and a device name.\n"); | |
2037 | rv |= 1; | |
2038 | break; | |
2039 | } | |
ed180996 JS |
2040 | rv |= Manage_stop(dv->devname, mdfd, c->verbose, 0); |
2041 | break; | |
7d27d1c0 | 2042 | case 'o': |
ed180996 JS |
2043 | rv |= Manage_ro(dv->devname, mdfd, 1); |
2044 | break; | |
7d27d1c0 | 2045 | case 'w': |
ed180996 JS |
2046 | rv |= Manage_ro(dv->devname, mdfd, -1); |
2047 | break; | |
7d27d1c0 N |
2048 | } |
2049 | close(mdfd); | |
2050 | } else | |
2051 | rv |= 1; | |
2052 | } | |
2053 | return rv; | |
2054 | } | |
a740cf64 N |
2055 | |
2056 | int SetAction(char *dev, char *action) | |
2057 | { | |
2058 | int fd = open(dev, O_RDONLY); | |
2059 | struct mdinfo mdi; | |
dae13137 JS |
2060 | int retval; |
2061 | ||
a740cf64 N |
2062 | if (fd < 0) { |
2063 | pr_err("Couldn't open %s: %s\n", dev, strerror(errno)); | |
2064 | return 1; | |
2065 | } | |
dae13137 | 2066 | retval = sysfs_init(&mdi, fd, NULL); |
a740cf64 | 2067 | close(fd); |
dae13137 | 2068 | if (retval) { |
a740cf64 N |
2069 | pr_err("%s is no an md array\n", dev); |
2070 | return 1; | |
2071 | } | |
2072 | ||
2073 | if (sysfs_set_str(&mdi, NULL, "sync_action", action) < 0) { | |
2074 | pr_err("Count not set action for %s to %s: %s\n", | |
2075 | dev, action, strerror(errno)); | |
2076 | return 1; | |
2077 | } | |
2078 | return 0; | |
2079 | } |