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Commit | Line | Data |
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64c4757e | 1 | /* |
9a9dab36 | 2 | * mdadm - manage Linux "md" devices aka RAID arrays. |
64c4757e | 3 | * |
4f589ad0 | 4 | * Copyright (C) 2001-2006 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 | |
22 | * Email: <neilb@cse.unsw.edu.au> | |
23 | * Paper: Neil Brown | |
24 | * School of Computer Science and Engineering | |
25 | * The University of New South Wales | |
26 | * Sydney, 2052 | |
27 | * Australia | |
c82f047c | 28 | * |
aba69144 | 29 | * Additions for bitmap and write-behind RAID options, Copyright (C) 2003-2004, |
c82f047c | 30 | * Paul Clements, SteelEye Technology, Inc. |
64c4757e NB |
31 | */ |
32 | ||
9a9dab36 | 33 | #include "mdadm.h" |
64c4757e | 34 | #include "md_p.h" |
dd0781e5 | 35 | #include <ctype.h> |
64c4757e | 36 | |
dd0781e5 | 37 | |
52826846 NB |
38 | int main(int argc, char *argv[]) |
39 | { | |
e0d19036 | 40 | int mode = 0; |
52826846 | 41 | int opt; |
e0d19036 | 42 | int option_index; |
52826846 NB |
43 | char *c; |
44 | int rv; | |
f9ce90ba | 45 | int i; |
52826846 NB |
46 | |
47 | int chunk = 0; | |
5dd497ee | 48 | long long size = -1; |
98c6faba NB |
49 | int level = UnSet; |
50 | int layout = UnSet; | |
52826846 | 51 | int raiddisks = 0; |
e27d562b | 52 | int max_disks = MD_SB_DISKS; /* just a default */ |
52826846 NB |
53 | int sparedisks = 0; |
54 | struct mddev_ident_s ident; | |
55 | char *configfile = NULL; | |
cd29a5c8 | 56 | char *cp; |
5787fa49 | 57 | char *update = NULL; |
52826846 NB |
58 | int scan = 0; |
59 | char devmode = 0; | |
60 | int runstop = 0; | |
61 | int readonly = 0; | |
dfd4d8ee | 62 | int write_behind = 0; |
c82f047c NB |
63 | int bitmap_fd = -1; |
64 | char *bitmap_file = NULL; | |
06b0d786 | 65 | char *backup_file = NULL; |
c82f047c | 66 | int bitmap_chunk = UnSet; |
bd526cee | 67 | int SparcAdjust = 0; |
cd29a5c8 NB |
68 | mddev_dev_t devlist = NULL; |
69 | mddev_dev_t *devlistend = & devlist; | |
70 | mddev_dev_t dv; | |
52826846 NB |
71 | int devs_found = 0; |
72 | int verbose = 0; | |
dab6685f | 73 | int quiet = 0; |
cd29a5c8 | 74 | int brief = 0; |
52826846 | 75 | int force = 0; |
feb716e9 | 76 | int test = 0; |
54bad364 | 77 | int export = 0; |
dd0781e5 | 78 | int assume_clean = 0; |
38098016 | 79 | char *symlinks = NULL; |
f1ae21c4 NB |
80 | /* autof indicates whether and how to create device node. |
81 | * bottom 3 bits are style. Rest (when shifted) are number of parts | |
82 | * 0 - unset | |
83 | * 1 - don't create (no) | |
84 | * 2 - if is_standard, then create (yes) | |
85 | * 3 - create as 'md' - reject is_standard mdp (md) | |
86 | * 4 - create as 'mdp' - reject is_standard md (mdp) | |
87 | * 5 - default to md if not is_standard (md in config file) | |
88 | * 6 - default to mdp if not is_standard (part, or mdp in config file) | |
89 | */ | |
90 | int autof = 0; | |
52826846 | 91 | |
997aed5d | 92 | char *homehost = NULL; |
05697ec1 | 93 | char sys_hostname[256]; |
0ac91628 | 94 | int require_homehost = 1; |
52826846 NB |
95 | char *mailaddr = NULL; |
96 | char *program = NULL; | |
97 | int delay = 0; | |
d013a55e | 98 | int daemonise = 0; |
b5e64645 | 99 | char *pidfile = NULL; |
aa88f531 | 100 | int oneshot = 0; |
82d9eba6 | 101 | struct supertype *ss = NULL; |
dfd4d8ee | 102 | int writemostly = 0; |
fe80f49b | 103 | int re_add = 0; |
c06487ce | 104 | char *shortopt = short_options; |
773135f5 | 105 | int dosyslog = 0; |
8382f19b | 106 | int rebuild_map = 0; |
589395d6 | 107 | int auto_update_home = 0; |
52826846 | 108 | |
e5329c37 | 109 | int copies; |
3d4064cc | 110 | int print_help = 0; |
0047d254 | 111 | FILE *outf; |
e5329c37 | 112 | |
52826846 NB |
113 | int mdfd = -1; |
114 | ||
dfe47e00 NB |
115 | srandom(time(0) ^ getpid()); |
116 | ||
52826846 | 117 | ident.uuid_set=0; |
98c6faba NB |
118 | ident.level = UnSet; |
119 | ident.raid_disks = UnSet; | |
120 | ident.super_minor= UnSet; | |
52826846 | 121 | ident.devices=0; |
a75f2fbc NB |
122 | ident.spare_group = NULL; |
123 | ident.autof = 0; | |
a825febc | 124 | ident.st = NULL; |
c82f047c | 125 | ident.bitmap_fd = -1; |
7ef02d01 | 126 | ident.bitmap_file = NULL; |
947fd4dd | 127 | ident.name[0] = 0; |
aef35714 N |
128 | ident.container = NULL; |
129 | ident.member = NULL; | |
52826846 | 130 | |
e0d19036 NB |
131 | while ((option_index = -1) , |
132 | (opt=getopt_long(argc, argv, | |
c06487ce | 133 | shortopt, long_options, |
e0d19036 NB |
134 | &option_index)) != -1) { |
135 | int newmode = mode; | |
35904960 | 136 | /* firstly, some mode-independent options */ |
52826846 | 137 | switch(opt) { |
52826846 | 138 | case 'h': |
aba69144 | 139 | if (option_index > 0 && |
56eedc1a | 140 | strcmp(long_options[option_index].name, "help-options")==0) |
3d4064cc | 141 | print_help = 2; |
56eedc1a | 142 | else |
3d4064cc NB |
143 | print_help = 1; |
144 | continue; | |
52826846 NB |
145 | |
146 | case 'V': | |
147 | fputs(Version, stderr); | |
148 | exit(0); | |
149 | ||
22892d56 | 150 | case 'v': verbose++; |
52826846 NB |
151 | continue; |
152 | ||
dab6685f NB |
153 | case 'q': quiet++; |
154 | continue; | |
155 | ||
c82f047c | 156 | case 'b': |
f5e166fe | 157 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW) |
c82f047c NB |
158 | break; /* b means bitmap */ |
159 | brief = 1; | |
c06487ce NB |
160 | if (optarg) { |
161 | fprintf(stderr, Name ": -b cannot have any extra immediately after it, sorry.\n"); | |
162 | exit(2); | |
163 | } | |
cd29a5c8 NB |
164 | continue; |
165 | ||
54bad364 KS |
166 | case 'Y': export++; |
167 | continue; | |
168 | ||
997aed5d | 169 | case HomeHost: |
0ac91628 N |
170 | if (strcasecmp(optarg, "<ignore>") == 0) |
171 | require_homehost = 0; | |
172 | else | |
173 | homehost = optarg; | |
997aed5d NB |
174 | continue; |
175 | ||
e0d19036 NB |
176 | case ':': |
177 | case '?': | |
178 | fputs(Usage, stderr); | |
179 | exit(2); | |
180 | } | |
181 | /* second, figure out the mode. | |
182 | * Some options force the mode. Others | |
aba69144 | 183 | * set the mode if it isn't already |
e0d19036 NB |
184 | */ |
185 | ||
186 | switch(opt) { | |
187 | case '@': /* just incase they say --manage */ | |
c06487ce | 188 | newmode = MANAGE; |
024768c4 | 189 | shortopt = short_bitmap_options; |
c06487ce | 190 | break; |
e0d19036 NB |
191 | case 'a': |
192 | case 'r': | |
193 | case 'f': | |
41a3b72a | 194 | case ReAdd: /* re-add */ |
c06487ce NB |
195 | if (!mode) { |
196 | newmode = MANAGE; | |
024768c4 | 197 | shortopt = short_bitmap_options; |
c06487ce | 198 | } |
0320ea45 | 199 | break; |
e0d19036 | 200 | |
c06487ce NB |
201 | case 'A': newmode = ASSEMBLE; shortopt = short_bitmap_auto_options; break; |
202 | case 'B': newmode = BUILD; shortopt = short_bitmap_auto_options; break; | |
203 | case 'C': newmode = CREATE; shortopt = short_bitmap_auto_options; break; | |
e0d19036 | 204 | case 'F': newmode = MONITOR;break; |
024768c4 DL |
205 | case 'G': newmode = GROW; |
206 | shortopt = short_bitmap_options; | |
207 | break; | |
95b79df0 DW |
208 | case 'I': newmode = INCREMENTAL; |
209 | shortopt = short_bitmap_auto_options; break; | |
1f48664b NB |
210 | case AutoDetect: |
211 | newmode = AUTODETECT; break; | |
e0d19036 NB |
212 | |
213 | case '#': | |
214 | case 'D': | |
215 | case 'E': | |
c82f047c | 216 | case 'X': |
e0d19036 NB |
217 | case 'Q': newmode = MISC; break; |
218 | case 'R': | |
219 | case 'S': | |
220 | case 'o': | |
221 | case 'w': | |
b90c0e9a | 222 | case 'W': |
1770662b | 223 | case Waitclean: |
4cce4069 | 224 | case DetailPlatform: |
e0d19036 NB |
225 | case 'K': if (!mode) newmode = MISC; break; |
226 | } | |
227 | if (mode && newmode == mode) { | |
228 | /* everybody happy ! */ | |
229 | } else if (mode && newmode != mode) { | |
230 | /* not allowed.. */ | |
231 | fprintf(stderr, Name ": "); | |
232 | if (option_index >= 0) | |
233 | fprintf(stderr, "--%s", long_options[option_index].name); | |
234 | else | |
235 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 236 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
237 | map_num(modes, newmode), |
238 | map_num(modes, mode)); | |
239 | exit(2); | |
240 | } else if (!mode && newmode) { | |
241 | mode = newmode; | |
242 | } else { | |
243 | /* special case of -c --help */ | |
aba69144 | 244 | if (opt == 'c' && |
e0d19036 NB |
245 | ( strncmp(optarg, "--h", 3)==0 || |
246 | strncmp(optarg, "-h", 2)==0)) { | |
0047d254 | 247 | fputs(Help_config, stdout); |
e0d19036 | 248 | exit(0); |
cd29a5c8 | 249 | } |
0320ea45 NB |
250 | |
251 | /* If first option is a device, don't force the mode yet */ | |
252 | if (opt == 1) { | |
253 | if (devs_found == 0) { | |
254 | dv = malloc(sizeof(*dv)); | |
255 | if (dv == NULL) { | |
256 | fprintf(stderr, Name ": malloc failed\n"); | |
257 | exit(3); | |
258 | } | |
259 | dv->devname = optarg; | |
260 | dv->disposition = devmode; | |
dfd4d8ee | 261 | dv->writemostly = writemostly; |
fe80f49b | 262 | dv->re_add = re_add; |
da6b5ca9 | 263 | dv->used = 0; |
9008ed1c | 264 | dv->content = NULL; |
0320ea45 NB |
265 | dv->next = NULL; |
266 | *devlistend = dv; | |
267 | devlistend = &dv->next; | |
aba69144 | 268 | |
0320ea45 NB |
269 | devs_found++; |
270 | continue; | |
271 | } | |
272 | /* No mode yet, and this is the second device ... */ | |
273 | fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n"); | |
274 | exit(2); | |
275 | } | |
e0d19036 | 276 | if (option_index >= 0) |
0320ea45 | 277 | fprintf(stderr, Name ": --%s", long_options[option_index].name); |
e0d19036 | 278 | else |
0320ea45 NB |
279 | fprintf(stderr, Name ": -%c", opt); |
280 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); | |
e0d19036 NB |
281 | exit(2); |
282 | } | |
283 | ||
284 | /* if we just set the mode, then done */ | |
285 | switch(opt) { | |
286 | case '@': | |
287 | case '#': | |
288 | case 'A': | |
289 | case 'B': | |
290 | case 'C': | |
291 | case 'F': | |
dd0781e5 | 292 | case 'G': |
8382f19b | 293 | case 'I': |
1f48664b | 294 | case AutoDetect: |
e0d19036 NB |
295 | continue; |
296 | } | |
297 | if (opt == 1) { | |
298 | /* an undecorated option - must be a device name. | |
299 | */ | |
cd29a5c8 | 300 | if (devs_found > 0 && mode == '@' && !devmode) { |
dd0781e5 | 301 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
302 | exit(2); |
303 | } | |
e5329c37 NB |
304 | if (devs_found > 0 && mode == 'G' && !devmode) { |
305 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
306 | exit(2); | |
307 | } | |
cd29a5c8 NB |
308 | dv = malloc(sizeof(*dv)); |
309 | if (dv == NULL) { | |
310 | fprintf(stderr, Name ": malloc failed\n"); | |
311 | exit(3); | |
312 | } | |
313 | dv->devname = optarg; | |
314 | dv->disposition = devmode; | |
dfd4d8ee | 315 | dv->writemostly = writemostly; |
fe80f49b | 316 | dv->re_add = re_add; |
9008ed1c N |
317 | dv->used = 0; |
318 | dv->content = NULL; | |
cd29a5c8 NB |
319 | dv->next = NULL; |
320 | *devlistend = dv; | |
321 | devlistend = &dv->next; | |
aba69144 | 322 | |
52826846 NB |
323 | devs_found++; |
324 | continue; | |
682c7051 | 325 | } |
682c7051 | 326 | |
52826846 NB |
327 | /* We've got a mode, and opt is now something else which |
328 | * could depend on the mode */ | |
329 | #define O(a,b) ((a<<8)|b) | |
330 | switch (O(mode,opt)) { | |
e0d19036 NB |
331 | case O(CREATE,'c'): |
332 | case O(BUILD,'c'): /* chunk or rounding */ | |
52826846 NB |
333 | if (chunk) { |
334 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
335 | "Second value is %s.\n", optarg); | |
336 | exit(2); | |
337 | } | |
338 | chunk = strtol(optarg, &c, 10); | |
339 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
340 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
341 | optarg); | |
342 | exit(2); | |
343 | } | |
344 | continue; | |
64c4757e | 345 | |
e0fe762a | 346 | #if 0 |
589395d6 NB |
347 | case O(ASSEMBLE,AutoHomeHost): |
348 | auto_update_home = 1; | |
349 | continue; | |
e0fe762a | 350 | #endif |
8382f19b | 351 | case O(INCREMENTAL, 'e'): |
f9ce90ba NB |
352 | case O(CREATE,'e'): |
353 | case O(ASSEMBLE,'e'): | |
354 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
355 | if (ss) { | |
356 | fprintf(stderr, Name ": metadata information already given\n"); | |
357 | exit(2); | |
358 | } | |
aba69144 | 359 | for(i=0; !ss && superlist[i]; i++) |
82d9eba6 NB |
360 | ss = superlist[i]->match_metadata_desc(optarg); |
361 | ||
f9ce90ba NB |
362 | if (!ss) { |
363 | fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); | |
364 | exit(2); | |
365 | } | |
ea329559 | 366 | max_disks = ss->max_devs; |
f9ce90ba NB |
367 | continue; |
368 | ||
dfd4d8ee NB |
369 | case O(MANAGE,'W'): |
370 | case O(BUILD,'W'): | |
371 | case O(CREATE,'W'): | |
372 | /* set write-mostly for following devices */ | |
373 | writemostly = 1; | |
374 | continue; | |
375 | ||
b3d31955 N |
376 | case O(MANAGE,'w'): |
377 | /* clear write-mostly for following devices */ | |
378 | writemostly = 2; | |
379 | continue; | |
380 | ||
381 | ||
dd0781e5 | 382 | case O(GROW,'z'): |
25affb56 PC |
383 | case O(CREATE,'z'): |
384 | case O(BUILD,'z'): /* size */ | |
dd0781e5 | 385 | if (size >= 0) { |
52826846 NB |
386 | fprintf(stderr, Name ": size may only be specified once. " |
387 | "Second value is %s.\n", optarg); | |
388 | exit(2); | |
389 | } | |
dd0781e5 NB |
390 | if (strcmp(optarg, "max")==0) |
391 | size = 0; | |
392 | else { | |
5dd497ee | 393 | size = strtoll(optarg, &c, 10); |
dd0781e5 NB |
394 | if (!optarg[0] || *c || size < 4) { |
395 | fprintf(stderr, Name ": invalid size: %s\n", | |
396 | optarg); | |
397 | exit(2); | |
398 | } | |
52826846 NB |
399 | } |
400 | continue; | |
64c4757e | 401 | |
b5e64645 | 402 | case O(GROW,'l'): /* hack - needed to understand layout */ |
e0d19036 NB |
403 | case O(CREATE,'l'): |
404 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 405 | if (level != UnSet) { |
52826846 NB |
406 | fprintf(stderr, Name ": raid level may only be set once. " |
407 | "Second value is %s.\n", optarg); | |
408 | exit(2); | |
409 | } | |
410 | level = map_name(pers, optarg); | |
98c6faba | 411 | if (level == UnSet) { |
52826846 NB |
412 | fprintf(stderr, Name ": invalid raid level: %s\n", |
413 | optarg); | |
414 | exit(2); | |
415 | } | |
e0fe762a N |
416 | if (level != 0 && level != LEVEL_LINEAR && level != 1 && |
417 | level != LEVEL_MULTIPATH && level != LEVEL_FAULTY && | |
418 | level != 10 && | |
419 | mode == BUILD) { | |
52826846 NB |
420 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", |
421 | optarg); | |
422 | exit(2); | |
423 | } | |
e0d19036 | 424 | if (sparedisks > 0 && level < 1 && level >= -1) { |
b83d95f3 | 425 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
426 | optarg); |
427 | exit(2); | |
428 | } | |
cd29a5c8 | 429 | ident.level = level; |
52826846 | 430 | continue; |
64c4757e | 431 | |
e0d19036 | 432 | case O(CREATE,'p'): /* raid5 layout */ |
b5e64645 NB |
433 | case O(BUILD,'p'): /* faulty layout */ |
434 | case O(GROW, 'p'): /* faulty reconfig */ | |
e5329c37 | 435 | if (layout != UnSet) { |
52826846 NB |
436 | fprintf(stderr,Name ": layout may only be sent once. " |
437 | "Second value was %s\n", optarg); | |
438 | exit(2); | |
439 | } | |
440 | switch(level) { | |
441 | default: | |
56eb10c0 | 442 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", |
52826846 NB |
443 | map_num(pers, level)); |
444 | exit(2); | |
98c6faba | 445 | case UnSet: |
52826846 NB |
446 | fprintf(stderr, Name ": raid level must be given before layout.\n"); |
447 | exit(2); | |
448 | ||
449 | case 5: | |
450 | layout = map_name(r5layout, optarg); | |
98c6faba | 451 | if (layout==UnSet) { |
52826846 NB |
452 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", |
453 | optarg); | |
454 | exit(2); | |
455 | } | |
456 | break; | |
b640a252 N |
457 | case 6: |
458 | layout = map_name(r6layout, optarg); | |
459 | if (layout==UnSet) { | |
460 | fprintf(stderr, Name ": layout %s not understood for raid6.\n", | |
461 | optarg); | |
462 | exit(2); | |
463 | } | |
464 | break; | |
e5329c37 NB |
465 | |
466 | case 10: | |
b578481c NB |
467 | /* 'f', 'o' or 'n' followed by a number <= raid_disks */ |
468 | if ((optarg[0] != 'n' && optarg[0] != 'f' && optarg[0] != 'o') || | |
e5329c37 NB |
469 | (copies = strtoul(optarg+1, &cp, 10)) < 1 || |
470 | copies > 200 || | |
471 | *cp) { | |
b578481c | 472 | fprintf(stderr, Name ": layout for raid10 must be 'nNN', 'oNN' or 'fNN' where NN is a number, not %s\n", optarg); |
e5329c37 NB |
473 | exit(2); |
474 | } | |
475 | if (optarg[0] == 'n') | |
476 | layout = 256 + copies; | |
b578481c NB |
477 | else if (optarg[0] == 'o') |
478 | layout = 0x10000 + (copies<<8) + 1; | |
e5329c37 NB |
479 | else |
480 | layout = 1 + (copies<<8); | |
481 | break; | |
b5e64645 NB |
482 | case -5: /* Faulty |
483 | * modeNNN | |
484 | */ | |
aba69144 | 485 | |
b5e64645 NB |
486 | { |
487 | int ln = strcspn(optarg, "0123456789"); | |
488 | char *m = strdup(optarg); | |
489 | int mode; | |
490 | m[ln] = 0; | |
491 | mode = map_name(faultylayout, m); | |
492 | if (mode == UnSet) { | |
493 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", | |
494 | optarg); | |
495 | exit(2); | |
496 | } | |
497 | layout = mode | (atoi(optarg+ln)<< ModeShift); | |
498 | } | |
52826846 NB |
499 | } |
500 | continue; | |
501 | ||
997aed5d NB |
502 | case O(CREATE,AssumeClean): |
503 | case O(BUILD,AssumeClean): /* assume clean */ | |
dd0781e5 NB |
504 | assume_clean = 1; |
505 | continue; | |
506 | ||
507 | case O(GROW,'n'): | |
e0d19036 NB |
508 | case O(CREATE,'n'): |
509 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 510 | if (raiddisks) { |
b83d95f3 | 511 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", |
52826846 NB |
512 | raiddisks, optarg); |
513 | exit(2); | |
514 | } | |
515 | raiddisks = strtol(optarg, &c, 10); | |
e4c4352e | 516 | if (!optarg[0] || *c || raiddisks<=0) { |
b83d95f3 | 517 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", |
52826846 NB |
518 | optarg); |
519 | exit(2); | |
520 | } | |
cd29a5c8 | 521 | ident.raid_disks = raiddisks; |
52826846 NB |
522 | continue; |
523 | ||
e0d19036 | 524 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ |
52826846 | 525 | if (sparedisks) { |
b83d95f3 | 526 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", |
52826846 NB |
527 | sparedisks, optarg); |
528 | exit(2); | |
529 | } | |
98c6faba | 530 | if (level != UnSet && level <= 0 && level >= -1) { |
b83d95f3 | 531 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
532 | level); |
533 | exit(2); | |
534 | } | |
535 | sparedisks = strtol(optarg, &c, 10); | |
e4c4352e | 536 | if (!optarg[0] || *c || sparedisks < 0) { |
b83d95f3 | 537 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", |
52826846 NB |
538 | optarg); |
539 | exit(2); | |
540 | } | |
541 | continue; | |
dd0781e5 NB |
542 | |
543 | case O(CREATE,'a'): | |
544 | case O(BUILD,'a'): | |
95b79df0 | 545 | case O(INCREMENTAL,'a'): |
dd0781e5 | 546 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ |
f1ae21c4 | 547 | autof = parse_auto(optarg, "--auto flag", 0); |
dd0781e5 NB |
548 | continue; |
549 | ||
38098016 NB |
550 | case O(CREATE,Symlinks): |
551 | case O(BUILD,Symlinks): | |
552 | case O(ASSEMBLE,Symlinks): /* auto creation of symlinks in /dev to /dev/md */ | |
553 | symlinks = optarg; | |
554 | continue; | |
555 | ||
aa88f531 | 556 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
bd72c2b2 | 557 | case O(GROW,'f'): /* ditto */ |
e0d19036 NB |
558 | case O(CREATE,'f'): /* force honouring of device list */ |
559 | case O(ASSEMBLE,'f'): /* force assembly */ | |
560 | case O(MISC,'f'): /* force zero */ | |
52826846 NB |
561 | force=1; |
562 | continue; | |
563 | ||
564 | /* now for the Assemble options */ | |
3d3dd91e | 565 | case O(CREATE,'u'): /* uuid of array */ |
e0d19036 | 566 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 567 | if (ident.uuid_set) { |
cd29a5c8 | 568 | fprintf(stderr, Name ": uuid cannot be set twice. " |
52826846 NB |
569 | "Second value %s.\n", optarg); |
570 | exit(2); | |
571 | } | |
572 | if (parse_uuid(optarg, ident.uuid)) | |
573 | ident.uuid_set = 1; | |
574 | else { | |
575 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
576 | exit(2); | |
577 | } | |
578 | continue; | |
579 | ||
947fd4dd NB |
580 | case O(CREATE,'N'): |
581 | case O(ASSEMBLE,'N'): | |
582 | if (ident.name[0]) { | |
583 | fprintf(stderr, Name ": name cannot be set twice. " | |
584 | "Second value %s.\n", optarg); | |
585 | exit(2); | |
586 | } | |
587 | if (strlen(optarg) > 32) { | |
588 | fprintf(stderr, Name ": name '%s' is too long, 32 chars max.\n", | |
589 | optarg); | |
590 | exit(2); | |
591 | } | |
592 | strcpy(ident.name, optarg); | |
593 | continue; | |
594 | ||
e0d19036 | 595 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
98c6faba | 596 | if (ident.super_minor != UnSet) { |
cd29a5c8 NB |
597 | fprintf(stderr, Name ": super-minor cannot be set twice. " |
598 | "Second value: %s.\n", optarg); | |
599 | exit(2); | |
600 | } | |
d013a55e NB |
601 | if (strcmp(optarg, "dev")==0) |
602 | ident.super_minor = -2; | |
603 | else { | |
604 | ident.super_minor = strtoul(optarg, &cp, 10); | |
605 | if (!optarg[0] || *cp) { | |
606 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
607 | exit(2); | |
608 | } | |
cd29a5c8 NB |
609 | } |
610 | continue; | |
611 | ||
5787fa49 NB |
612 | case O(ASSEMBLE,'U'): /* update the superblock */ |
613 | if (update) { | |
614 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
615 | update, optarg); | |
616 | exit(2); | |
617 | } | |
618 | update = optarg; | |
aba69144 | 619 | if (strcmp(update, "sparc2.2")==0) |
e5329c37 | 620 | continue; |
5787fa49 NB |
621 | if (strcmp(update, "super-minor") == 0) |
622 | continue; | |
feb716e9 NB |
623 | if (strcmp(update, "summaries")==0) |
624 | continue; | |
e5329c37 NB |
625 | if (strcmp(update, "resync")==0) |
626 | continue; | |
7d99579f NB |
627 | if (strcmp(update, "uuid")==0) |
628 | continue; | |
c4f12c13 NB |
629 | if (strcmp(update, "name")==0) |
630 | continue; | |
0237e0ca NB |
631 | if (strcmp(update, "homehost")==0) |
632 | continue; | |
bee8ec56 NB |
633 | if (strcmp(update, "devicesize")==0) |
634 | continue; | |
586ed405 NB |
635 | if (strcmp(update, "byteorder")==0) { |
636 | if (ss) { | |
637 | fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n"); | |
638 | exit(2); | |
639 | } | |
aba69144 | 640 | for(i=0; !ss && superlist[i]; i++) |
586ed405 NB |
641 | ss = superlist[i]->match_metadata_desc("0.swap"); |
642 | if (!ss) { | |
643 | fprintf(stderr, Name ": INTERNAL ERROR cannot find 0.swap\n"); | |
644 | exit(2); | |
645 | } | |
646 | ||
647 | continue; | |
648 | } | |
0047d254 NB |
649 | if (strcmp(update,"?") == 0 || |
650 | strcmp(update, "help") == 0) { | |
651 | outf = stdout; | |
652 | fprintf(outf, Name ": "); | |
653 | } else { | |
654 | outf = stderr; | |
655 | fprintf(outf, | |
656 | Name ": '--update=%s' is invalid. ", | |
657 | update); | |
658 | } | |
659 | fprintf(outf, "Valid --update options are:\n" | |
bee8ec56 NB |
660 | " 'sparc2.2', 'super-minor', 'uuid', 'name', 'resync',\n" |
661 | " 'summaries', 'homehost', 'byteorder', 'devicesize'.\n"); | |
0047d254 | 662 | exit(outf == stdout ? 0 : 2); |
5787fa49 | 663 | |
fdb482f9 | 664 | case O(INCREMENTAL,NoDegraded): |
997aed5d | 665 | case O(ASSEMBLE,NoDegraded): /* --no-degraded */ |
0047d254 NB |
666 | runstop = -1; /* --stop isn't allowed for --assemble, |
667 | * so we overload slightly */ | |
b8a8ccf9 NB |
668 | continue; |
669 | ||
e0d19036 | 670 | case O(ASSEMBLE,'c'): /* config file */ |
7b187ed7 | 671 | case O(INCREMENTAL, 'c'): |
2d465520 | 672 | case O(MISC, 'c'): |
e0d19036 | 673 | case O(MONITOR,'c'): |
52826846 NB |
674 | if (configfile) { |
675 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
676 | "Second value is %s.\n", optarg); | |
677 | exit(2); | |
678 | } | |
679 | configfile = optarg; | |
8aec876d | 680 | set_conffile(configfile); |
52826846 NB |
681 | /* FIXME possibly check that config file exists. Even parse it */ |
682 | continue; | |
e0d19036 NB |
683 | case O(ASSEMBLE,'s'): /* scan */ |
684 | case O(MISC,'s'): | |
685 | case O(MONITOR,'s'): | |
8382f19b | 686 | case O(INCREMENTAL,'s'): |
52826846 NB |
687 | scan = 1; |
688 | continue; | |
689 | ||
e0d19036 | 690 | case O(MONITOR,'m'): /* mail address */ |
52826846 NB |
691 | if (mailaddr) |
692 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
693 | optarg); | |
694 | else | |
695 | mailaddr = optarg; | |
696 | continue; | |
697 | ||
e0d19036 | 698 | case O(MONITOR,'p'): /* alert program */ |
52826846 NB |
699 | if (program) |
700 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
701 | optarg); | |
702 | else | |
703 | program = optarg; | |
704 | continue; | |
64c4757e | 705 | |
e0d19036 | 706 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 707 | case O(GROW, 'd'): |
c82f047c NB |
708 | case O(BUILD,'d'): /* delay for bitmap updates */ |
709 | case O(CREATE,'d'): | |
52826846 NB |
710 | if (delay) |
711 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
712 | optarg); | |
713 | else { | |
714 | delay = strtol(optarg, &c, 10); | |
715 | if (!optarg[0] || *c || delay<1) { | |
716 | fprintf(stderr, Name ": invalid delay: %s\n", | |
717 | optarg); | |
718 | exit(2); | |
719 | } | |
720 | } | |
721 | continue; | |
d013a55e NB |
722 | case O(MONITOR,'f'): /* daemonise */ |
723 | daemonise = 1; | |
724 | continue; | |
b5e64645 NB |
725 | case O(MONITOR,'i'): /* pid */ |
726 | if (pidfile) | |
727 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
728 | optarg); | |
729 | else | |
730 | pidfile = optarg; | |
731 | continue; | |
aa88f531 NB |
732 | case O(MONITOR,'1'): /* oneshot */ |
733 | oneshot = 1; | |
734 | continue; | |
98c6faba NB |
735 | case O(MONITOR,'t'): /* test */ |
736 | test = 1; | |
737 | continue; | |
773135f5 | 738 | case O(MONITOR,'y'): /* log messages to syslog */ |
6ac8aac2 | 739 | openlog("mdadm", LOG_PID, SYSLOG_FACILITY); |
773135f5 NB |
740 | dosyslog = 1; |
741 | continue; | |
52826846 NB |
742 | |
743 | /* now the general management options. Some are applicable | |
744 | * to other modes. None have arguments. | |
745 | */ | |
e5329c37 | 746 | case O(GROW,'a'): |
dd0781e5 | 747 | case O(MANAGE,'a'): /* add a drive */ |
52826846 | 748 | devmode = 'a'; |
fe80f49b NB |
749 | re_add = 0; |
750 | continue; | |
997aed5d | 751 | case O(MANAGE,ReAdd): |
fe80f49b NB |
752 | devmode = 'a'; |
753 | re_add = 1; | |
52826846 | 754 | continue; |
e0d19036 | 755 | case O(MANAGE,'r'): /* remove a drive */ |
52826846 NB |
756 | devmode = 'r'; |
757 | continue; | |
e0d19036 | 758 | case O(MANAGE,'f'): /* set faulty */ |
52826846 NB |
759 | devmode = 'f'; |
760 | continue; | |
8382f19b | 761 | case O(INCREMENTAL,'R'): |
e0d19036 NB |
762 | case O(MANAGE,'R'): |
763 | case O(ASSEMBLE,'R'): | |
764 | case O(BUILD,'R'): | |
765 | case O(CREATE,'R'): /* Run the array */ | |
52826846 NB |
766 | if (runstop < 0) { |
767 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
768 | exit(2); | |
769 | } | |
770 | runstop = 1; | |
771 | continue; | |
e0d19036 | 772 | case O(MANAGE,'S'): |
52826846 NB |
773 | if (runstop > 0) { |
774 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
775 | exit(2); | |
776 | } | |
777 | runstop = -1; | |
778 | continue; | |
779 | ||
e0d19036 NB |
780 | case O(MISC,'Q'): |
781 | case O(MISC,'D'): | |
782 | case O(MISC,'E'): | |
783 | case O(MISC,'K'): | |
784 | case O(MISC,'R'): | |
785 | case O(MISC,'S'): | |
c82f047c | 786 | case O(MISC,'X'): |
e0d19036 NB |
787 | case O(MISC,'o'): |
788 | case O(MISC,'w'): | |
b90c0e9a | 789 | case O(MISC,'W'): |
1770662b | 790 | case O(MISC, Waitclean): |
4cce4069 | 791 | case O(MISC, DetailPlatform): |
e0d19036 NB |
792 | if (devmode && devmode != opt && |
793 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
794 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
795 | devmode =='E'?opt:devmode); | |
796 | exit(2); | |
797 | } | |
798 | devmode = opt; | |
799 | continue; | |
feb716e9 NB |
800 | case O(MISC,'t'): |
801 | test = 1; | |
802 | continue; | |
e0d19036 | 803 | |
997aed5d | 804 | case O(MISC, Sparc22): |
bd526cee NB |
805 | if (devmode != 'E') { |
806 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
807 | exit(2); | |
808 | } | |
809 | SparcAdjust = 1; | |
810 | continue; | |
c82f047c NB |
811 | |
812 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
813 | if (!optarg) { | |
814 | fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n"); | |
815 | exit(2); | |
816 | } | |
55935d51 NB |
817 | if (strcmp(optarg, "internal")==0) { |
818 | fprintf(stderr, Name ": there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); | |
819 | continue; | |
820 | } | |
c82f047c NB |
821 | bitmap_fd = open(optarg, O_RDWR); |
822 | if (!*optarg || bitmap_fd < 0) { | |
823 | fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno)); | |
824 | exit(2); | |
825 | } | |
826 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
827 | continue; | |
f5e166fe | 828 | |
997aed5d NB |
829 | case O(ASSEMBLE, BackupFile): |
830 | case O(GROW, BackupFile): | |
06b0d786 NB |
831 | /* Specify a file into which grow might place a backup, |
832 | * or from which assemble might recover a backup | |
833 | */ | |
834 | if (backup_file) { | |
835 | fprintf(stderr, Name ": backup file already specified, rejecting %s\n", optarg); | |
836 | exit(2); | |
837 | } | |
838 | backup_file = optarg; | |
839 | continue; | |
840 | ||
c82f047c NB |
841 | case O(BUILD,'b'): |
842 | case O(CREATE,'b'): /* here we create the bitmap */ | |
85375d6d NB |
843 | if (strcmp(optarg, "none") == 0) { |
844 | fprintf(stderr, Name ": '--bitmap none' only" | |
845 | " support for --grow\n"); | |
846 | exit(2); | |
847 | } | |
848 | /* FALL THROUGH */ | |
849 | case O(GROW,'b'): | |
1e0d770c NB |
850 | if (strcmp(optarg, "internal")== 0 || |
851 | strcmp(optarg, "none")== 0 || | |
852 | strchr(optarg, '/') != NULL) { | |
853 | bitmap_file = optarg; | |
854 | continue; | |
855 | } | |
856 | /* probable typo */ | |
857 | fprintf(stderr, Name ": bitmap file must contain a '/', or be 'internal', or 'none'\n"); | |
858 | exit(2); | |
c82f047c | 859 | |
997aed5d NB |
860 | case O(GROW,BitmapChunk): |
861 | case O(BUILD,BitmapChunk): | |
862 | case O(CREATE,BitmapChunk): /* bitmap chunksize */ | |
c82f047c NB |
863 | bitmap_chunk = strtol(optarg, &c, 10); |
864 | if (!optarg[0] || *c || bitmap_chunk < 0 || | |
865 | bitmap_chunk & (bitmap_chunk - 1)) { | |
866 | fprintf(stderr, Name ": invalid bitmap chunksize: %s\n", | |
867 | optarg); | |
868 | exit(2); | |
869 | } | |
870 | /* convert K to B, chunk of 0K means 512B */ | |
871 | bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; | |
872 | continue; | |
dfd4d8ee | 873 | |
7d19ad0d | 874 | case O(GROW, WriteBehind): |
997aed5d NB |
875 | case O(BUILD, WriteBehind): |
876 | case O(CREATE, WriteBehind): /* write-behind mode */ | |
dfd4d8ee NB |
877 | write_behind = DEFAULT_MAX_WRITE_BEHIND; |
878 | if (optarg) { | |
879 | write_behind = strtol(optarg, &c, 10); | |
880 | if (write_behind < 0 || *c || | |
881 | write_behind > 16383) { | |
882 | fprintf(stderr, Name ": Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); | |
883 | exit(2); | |
884 | } | |
885 | } | |
886 | continue; | |
8382f19b NB |
887 | |
888 | case O(INCREMENTAL, 'r'): | |
889 | rebuild_map = 1; | |
890 | continue; | |
52826846 NB |
891 | } |
892 | /* We have now processed all the valid options. Anything else is | |
893 | * an error | |
894 | */ | |
06b0d786 NB |
895 | if (option_index > 0) |
896 | fprintf(stderr, Name ":option --%s not valid in %s mode\n", | |
897 | long_options[option_index].name, | |
898 | map_num(modes, mode)); | |
899 | else | |
900 | fprintf(stderr, Name ": option -%c not valid in %s mode\n", | |
901 | opt, map_num(modes, mode)); | |
64c4757e | 902 | exit(2); |
52826846 NB |
903 | |
904 | } | |
905 | ||
3d4064cc NB |
906 | if (print_help) { |
907 | char *help_text = Help; | |
908 | if (print_help == 2) | |
909 | help_text = OptionHelp; | |
910 | else | |
911 | switch (mode) { | |
912 | case ASSEMBLE : help_text = Help_assemble; break; | |
913 | case BUILD : help_text = Help_build; break; | |
914 | case CREATE : help_text = Help_create; break; | |
915 | case MANAGE : help_text = Help_manage; break; | |
916 | case MISC : help_text = Help_misc; break; | |
917 | case MONITOR : help_text = Help_monitor; break; | |
918 | case GROW : help_text = Help_grow; break; | |
8382f19b | 919 | case INCREMENTAL:help_text= Help_incr; break; |
3d4064cc | 920 | } |
0047d254 | 921 | fputs(help_text,stdout); |
3d4064cc NB |
922 | exit(0); |
923 | } | |
924 | ||
0320ea45 NB |
925 | if (!mode && devs_found) { |
926 | mode = MISC; | |
927 | devmode = 'Q'; | |
928 | if (devlist->disposition == 0) | |
929 | devlist->disposition = devmode; | |
930 | } | |
52826846 NB |
931 | if (!mode) { |
932 | fputs(Usage, stderr); | |
64c4757e | 933 | exit(2); |
64c4757e | 934 | } |
38098016 NB |
935 | |
936 | if (symlinks) { | |
937 | struct createinfo *ci = conf_get_create_info(); | |
938 | ||
939 | if (strcasecmp(symlinks, "yes") == 0) | |
940 | ci->symlinks = 1; | |
941 | else if (strcasecmp(symlinks, "no") == 0) | |
942 | ci->symlinks = 0; | |
943 | else { | |
944 | fprintf(stderr, Name ": option --symlinks must be 'no' or 'yes'\n"); | |
945 | exit(2); | |
946 | } | |
947 | } | |
52826846 NB |
948 | /* Ok, got the option parsing out of the way |
949 | * hopefully it's mostly right but there might be some stuff | |
950 | * missing | |
951 | * | |
e0d19036 | 952 | * That is mosty checked in the per-mode stuff but... |
52826846 NB |
953 | * |
954 | * For @,B,C and A without -s, the first device listed must be an md device | |
955 | * we check that here and open it. | |
64c4757e | 956 | */ |
52826846 | 957 | |
dd0781e5 NB |
958 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || |
959 | (mode == ASSEMBLE && ! scan)) { | |
52826846 NB |
960 | if (devs_found < 1) { |
961 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
962 | exit(2); | |
963 | } | |
dd0781e5 | 964 | if ((int)ident.super_minor == -2 && autof) { |
aba69144 | 965 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); |
dd0781e5 NB |
966 | exit(2); |
967 | } | |
7f91af49 | 968 | if (mode == MANAGE || mode == GROW) { |
6be1d39d | 969 | mdfd = open_mddev(devlist->devname, 1); |
7f91af49 N |
970 | if (mdfd < 0) |
971 | exit(1); | |
972 | } else | |
973 | /* non-existent device is OK */ | |
974 | mdfd = open_mddev(devlist->devname, 0); | |
975 | if (mdfd == -2) { | |
976 | fprintf(stderr, Name ": device %s exists but is not an " | |
977 | "md array.\n", devlist->devname); | |
52826846 | 978 | exit(1); |
7f91af49 | 979 | } |
98c6faba | 980 | if ((int)ident.super_minor == -2) { |
d013a55e | 981 | struct stat stb; |
7f91af49 N |
982 | if (mdfd < 0) { |
983 | fprintf(stderr, Name ": --super-minor=dev given, and " | |
984 | "listed device %s doesn't exist.\n", | |
985 | devlist->devname); | |
986 | exit(1); | |
987 | } | |
d013a55e | 988 | fstat(mdfd, &stb); |
0df46c2a | 989 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 990 | } |
7f91af49 N |
991 | if (mdfd >= 0 && mode != MANAGE && mode != GROW) { |
992 | /* We don't really want this open yet, we just might | |
993 | * have wanted to check some things | |
994 | */ | |
995 | close(mdfd); | |
996 | mdfd = -1; | |
997 | } | |
64c4757e | 998 | } |
52826846 | 999 | |
e4c4352e NB |
1000 | if (raiddisks) { |
1001 | if (raiddisks > max_disks) { | |
6fbba4c9 NB |
1002 | fprintf(stderr, Name ": invalid number of raid devices: %d\n", |
1003 | raiddisks); | |
e4c4352e NB |
1004 | exit(2); |
1005 | } | |
1006 | if (raiddisks == 1 && !force && level != -5) { | |
1007 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
1008 | " a mistake. If you really mean it you will need to specify --force before\n" | |
1009 | " setting the number of drives.\n"); | |
1010 | exit(2); | |
1011 | } | |
1012 | } | |
1013 | if (sparedisks) { | |
1014 | if ( sparedisks > max_disks - raiddisks) { | |
6fbba4c9 NB |
1015 | fprintf(stderr, Name ": invalid number of spare-devices: %d\n", |
1016 | sparedisks); | |
e4c4352e NB |
1017 | exit(2); |
1018 | } | |
1019 | } | |
c82f047c | 1020 | |
997aed5d | 1021 | if (homehost == NULL) |
0ac91628 | 1022 | homehost = conf_get_homehost(&require_homehost); |
9180c81b | 1023 | if (homehost == NULL || strcmp(homehost, "<system>")==0) { |
05697ec1 NB |
1024 | if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) { |
1025 | sys_hostname[sizeof(sys_hostname)-1] = 0; | |
1026 | homehost = sys_hostname; | |
1027 | } | |
1028 | } | |
997aed5d | 1029 | |
7f91af49 N |
1030 | ident.autof = autof; |
1031 | ||
52826846 NB |
1032 | rv = 0; |
1033 | switch(mode) { | |
e0d19036 | 1034 | case MANAGE: |
52826846 NB |
1035 | /* readonly, add/remove, readwrite, runstop */ |
1036 | if (readonly>0) | |
cd29a5c8 | 1037 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1038 | if (!rv && devs_found>1) |
cd29a5c8 | 1039 | rv = Manage_subdevs(devlist->devname, mdfd, |
dab6685f | 1040 | devlist->next, verbose-quiet); |
52826846 | 1041 | if (!rv && readonly < 0) |
cd29a5c8 | 1042 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 1043 | if (!rv && runstop) |
ab56093f | 1044 | rv = Manage_runstop(devlist->devname, mdfd, runstop, quiet); |
52826846 | 1045 | break; |
e0d19036 | 1046 | case ASSEMBLE: |
d013a55e | 1047 | if (devs_found == 1 && ident.uuid_set == 0 && |
947fd4dd | 1048 | ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) { |
d013a55e | 1049 | /* Only a device has been given, so get details from config file */ |
8aec876d | 1050 | mddev_ident_t array_ident = conf_get_ident(devlist->devname); |
b5e64645 NB |
1051 | if (array_ident == NULL) { |
1052 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
1053 | devlist->devname); | |
d013a55e | 1054 | rv |= 1; |
7f91af49 N |
1055 | if (mdfd >= 0) |
1056 | close(mdfd); | |
b5e64645 | 1057 | } else { |
7f91af49 N |
1058 | if (array_ident->autof == 0) |
1059 | array_ident->autof = autof; | |
1060 | rv |= Assemble(ss, devlist->devname, array_ident, | |
1061 | NULL, backup_file, | |
0ac91628 N |
1062 | readonly, runstop, update, |
1063 | homehost, require_homehost, | |
1064 | verbose-quiet, force); | |
d013a55e NB |
1065 | } |
1066 | } else if (!scan) | |
7f91af49 | 1067 | rv = Assemble(ss, devlist->devname, &ident, |
06b0d786 | 1068 | devlist->next, backup_file, |
0ac91628 N |
1069 | readonly, runstop, update, |
1070 | homehost, require_homehost, | |
1071 | verbose-quiet, force); | |
5787fa49 NB |
1072 | else if (devs_found>0) { |
1073 | if (update && devs_found > 1) { | |
1074 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
1075 | exit(1); | |
1076 | } | |
06b0d786 NB |
1077 | if (backup_file && devs_found > 1) { |
1078 | fprintf(stderr, Name ": can only assemble a single array when providing a backup file.\n"); | |
1079 | exit(1); | |
1080 | } | |
cd29a5c8 | 1081 | for (dv = devlist ; dv ; dv=dv->next) { |
8aec876d | 1082 | mddev_ident_t array_ident = conf_get_ident(dv->devname); |
52826846 NB |
1083 | if (array_ident == NULL) { |
1084 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
cd29a5c8 | 1085 | dv->devname); |
52826846 NB |
1086 | rv |= 1; |
1087 | continue; | |
1088 | } | |
7f91af49 N |
1089 | if (array_ident->autof == 0) |
1090 | array_ident->autof = autof; | |
1091 | rv |= Assemble(ss, dv->devname, array_ident, | |
06b0d786 | 1092 | NULL, backup_file, |
0ac91628 N |
1093 | readonly, runstop, update, |
1094 | homehost, require_homehost, | |
1095 | verbose-quiet, force); | |
52826846 | 1096 | } |
5787fa49 | 1097 | } else { |
8aec876d NB |
1098 | mddev_ident_t array_list = conf_get_ident(NULL); |
1099 | mddev_dev_t devlist = conf_get_devs(); | |
da6b5ca9 NB |
1100 | int cnt = 0; |
1101 | if (devlist == NULL) { | |
1102 | fprintf(stderr, Name ": No devices listed in conf file were found.\n"); | |
1103 | exit(1); | |
1104 | } | |
1105 | if (update) { | |
1106 | fprintf(stderr, Name ": --update not meaningful with a --scan assembly.\n"); | |
1107 | exit(1); | |
1108 | } | |
1109 | if (backup_file) { | |
1110 | fprintf(stderr, Name ": --backup_file not meaningful with a --scan assembly.\n"); | |
1111 | exit(1); | |
1112 | } | |
1113 | for (; array_list; array_list = array_list->next) { | |
112cace6 N |
1114 | if (array_list->devname && |
1115 | strcasecmp(array_list->devname, "<ignore>") == 0) | |
1116 | continue; | |
7f91af49 N |
1117 | if (array_list->autof == 0) |
1118 | array_list->autof = autof; | |
1119 | ||
1120 | rv |= Assemble(ss, array_list->devname, | |
1121 | array_list, | |
1122 | NULL, NULL, | |
0ac91628 N |
1123 | readonly, runstop, NULL, |
1124 | homehost, require_homehost, | |
1125 | verbose-quiet, force); | |
a30b2ecd | 1126 | cnt++; |
da6b5ca9 | 1127 | } |
a30b2ecd | 1128 | if (homehost && cnt == 0) { |
da6b5ca9 | 1129 | /* Maybe we can auto-assemble something. |
7f91af49 | 1130 | * Repeatedly call Assemble in auto-assemble mode |
da6b5ca9 NB |
1131 | * until it fails |
1132 | */ | |
1133 | int rv2; | |
d55e3aef NB |
1134 | int acnt; |
1135 | ident.autof = autof; | |
da6b5ca9 | 1136 | do { |
1c203a4b | 1137 | mddev_dev_t devlist = conf_get_devs(); |
d55e3aef NB |
1138 | acnt = 0; |
1139 | do { | |
7f91af49 | 1140 | rv2 = Assemble(ss, NULL, |
8aec876d | 1141 | &ident, |
1c203a4b | 1142 | devlist, NULL, |
0ac91628 N |
1143 | readonly, runstop, NULL, |
1144 | homehost, require_homehost, | |
1145 | verbose-quiet, force); | |
d55e3aef NB |
1146 | if (rv2==0) { |
1147 | cnt++; | |
1148 | acnt++; | |
1149 | } | |
589395d6 NB |
1150 | if (rv2 == 1) |
1151 | /* found something so even though assembly failed we | |
1152 | * want to avoid auto-updates | |
1153 | */ | |
1154 | auto_update_home = 0; | |
d55e3aef NB |
1155 | } while (rv2!=2); |
1156 | /* Incase there are stacked devices, we need to go around again */ | |
d55e3aef | 1157 | } while (acnt); |
e0fe762a | 1158 | #if 0 |
589395d6 NB |
1159 | if (cnt == 0 && auto_update_home && homehost) { |
1160 | /* Nothing found, maybe we need to bootstrap homehost info */ | |
1161 | do { | |
1162 | acnt = 0; | |
1163 | do { | |
7f91af49 | 1164 | rv2 = Assemble(ss, NULL, |
8aec876d | 1165 | &ident, |
43f2372a | 1166 | NULL, NULL, |
0ac91628 N |
1167 | readonly, runstop, "homehost", |
1168 | homehost, require_homehost, | |
1169 | verbose-quiet, force); | |
589395d6 NB |
1170 | if (rv2==0) { |
1171 | cnt++; | |
1172 | acnt++; | |
1173 | } | |
1174 | } while (rv2!=2); | |
1175 | /* Incase there are stacked devices, we need to go around again */ | |
589395d6 NB |
1176 | } while (acnt); |
1177 | } | |
e0fe762a | 1178 | #endif |
da6b5ca9 NB |
1179 | if (cnt == 0 && rv == 0) { |
1180 | fprintf(stderr, Name ": No arrays found in config file or automatically\n"); | |
1181 | rv = 1; | |
1c203a4b NB |
1182 | } else if (cnt) |
1183 | rv = 0; | |
da6b5ca9 NB |
1184 | } else if (cnt == 0 && rv == 0) { |
1185 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
1186 | rv = 1; | |
1187 | } | |
52826846 NB |
1188 | } |
1189 | break; | |
e0d19036 | 1190 | case BUILD: |
c82f047c | 1191 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1192 | if (write_behind && !bitmap_file) { |
1193 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1194 | rv = 1; | |
1195 | break; | |
1196 | } | |
5b28bd56 | 1197 | if (raiddisks == 0) { |
e5669f40 | 1198 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1199 | rv = 1; |
1200 | break; | |
1201 | } | |
dfd4d8ee | 1202 | |
c82f047c | 1203 | if (bitmap_file) { |
55935d51 NB |
1204 | if (strcmp(bitmap_file, "internal")==0) { |
1205 | fprintf(stderr, Name ": 'internal' bitmaps not supported with --build\n"); | |
1206 | rv |= 1; | |
1207 | break; | |
1208 | } | |
c82f047c | 1209 | } |
7f91af49 | 1210 | rv = Build(devlist->devname, chunk, level, layout, |
c82f047c | 1211 | raiddisks, devlist->next, assume_clean, |
7f91af49 | 1212 | bitmap_file, bitmap_chunk, write_behind, |
83208785 | 1213 | delay, verbose-quiet, autof, size); |
52826846 | 1214 | break; |
e0d19036 | 1215 | case CREATE: |
c82f047c | 1216 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
1217 | if (write_behind && !bitmap_file) { |
1218 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
1219 | rv = 1; | |
1220 | break; | |
1221 | } | |
5b28bd56 | 1222 | if (raiddisks == 0) { |
e5669f40 | 1223 | fprintf(stderr, Name ": no raid-devices specified.\n"); |
5b28bd56 NB |
1224 | rv = 1; |
1225 | break; | |
1226 | } | |
f9ce90ba | 1227 | |
7f91af49 | 1228 | rv = Create(ss, devlist->devname, chunk, level, layout, size<0 ? 0 : size, |
05697ec1 | 1229 | raiddisks, sparedisks, ident.name, homehost, |
3d3dd91e | 1230 | ident.uuid_set ? ident.uuid : NULL, |
47d79ef8 | 1231 | devs_found-1, devlist->next, runstop, verbose-quiet, force, assume_clean, |
7f91af49 | 1232 | bitmap_file, bitmap_chunk, write_behind, delay, autof); |
52826846 | 1233 | break; |
e0d19036 | 1234 | case MISC: |
e0d19036 NB |
1235 | if (devmode == 'E') { |
1236 | if (devlist == NULL && !scan) { | |
1237 | fprintf(stderr, Name ": No devices to examine\n"); | |
1238 | exit(2); | |
1239 | } | |
1240 | if (devlist == NULL) | |
8aec876d | 1241 | devlist = conf_get_devs(); |
e0d19036 | 1242 | if (devlist == NULL) { |
c913b90e | 1243 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1244 | exit(1); |
1245 | } | |
e843d5d7 NB |
1246 | if (brief && verbose) |
1247 | brief = 2; | |
0d726f17 KS |
1248 | rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, |
1249 | export, scan, | |
1250 | SparcAdjust, ss, homehost); | |
4cce4069 DW |
1251 | } else if (devmode == DetailPlatform) { |
1252 | rv = Detail_Platform(ss ? ss->ss : NULL, ss ? scan : 1, verbose); | |
e0d19036 NB |
1253 | } else { |
1254 | if (devlist == NULL) { | |
fabbfd48 DW |
1255 | if ((devmode=='D' || devmode == Waitclean) && scan) { |
1256 | /* apply --detail or --wait-clean to | |
1257 | * all devices in /proc/mdstat | |
1258 | */ | |
22a88995 | 1259 | struct mdstat_ent *ms = mdstat_read(0, 1); |
e0d19036 | 1260 | struct mdstat_ent *e; |
35904960 | 1261 | struct map_ent *map = NULL; |
fabbfd48 DW |
1262 | int v = verbose>1?0:verbose+1; |
1263 | ||
e0d19036 | 1264 | for (e=ms ; e ; e=e->next) { |
35904960 N |
1265 | char *name; |
1266 | struct map_ent *me; | |
1267 | me = map_by_devnum(&map, e->devnum); | |
8615dcff N |
1268 | if (me && me->path |
1269 | && strcmp(me->path, "/unknown") != 0) | |
35904960 N |
1270 | name = me->path; |
1271 | else | |
1272 | name = get_md_name(e->devnum); | |
e0d19036 NB |
1273 | |
1274 | if (!name) { | |
1275 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1276 | e->dev); | |
1277 | continue; | |
1278 | } | |
fabbfd48 DW |
1279 | if (devmode == 'D') |
1280 | rv |= Detail(name, v, | |
1281 | export, test, | |
1282 | homehost); | |
1283 | else | |
1284 | rv |= WaitClean(name, v); | |
91f068bf NB |
1285 | put_md_name(name); |
1286 | } | |
89a10d84 | 1287 | free_mdstat(ms); |
91f068bf NB |
1288 | } else if (devmode == 'S' && scan) { |
1289 | /* apply --stop to all devices in /proc/mdstat */ | |
1290 | /* Due to possible stacking of devices, repeat until | |
1291 | * nothing more can be stopped | |
1292 | */ | |
1293 | int progress=1, err; | |
1294 | int last = 0; | |
1295 | do { | |
22a88995 | 1296 | struct mdstat_ent *ms = mdstat_read(0, 0); |
91f068bf NB |
1297 | struct mdstat_ent *e; |
1298 | ||
1299 | if (!progress) last = 1; | |
1300 | progress = 0; err = 0; | |
1301 | for (e=ms ; e ; e=e->next) { | |
1302 | char *name = get_md_name(e->devnum); | |
1303 | ||
1304 | if (!name) { | |
1305 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1306 | e->dev); | |
1307 | continue; | |
1308 | } | |
6be1d39d | 1309 | mdfd = open_mddev(name, 1); |
43fc1676 | 1310 | if (mdfd >= 0) { |
ab56093f | 1311 | if (Manage_runstop(name, mdfd, -1, quiet?1:last?0:-1)) |
91f068bf NB |
1312 | err = 1; |
1313 | else | |
1314 | progress = 1; | |
43fc1676 NB |
1315 | close(mdfd); |
1316 | } | |
91f068bf NB |
1317 | |
1318 | put_md_name(name); | |
e0d19036 | 1319 | } |
89a10d84 | 1320 | free_mdstat(ms); |
91f068bf | 1321 | } while (!last && err); |
f9c25f1d | 1322 | if (err) rv |= 1; |
91f068bf | 1323 | } else { |
e0d19036 NB |
1324 | fprintf(stderr, Name ": No devices given.\n"); |
1325 | exit(2); | |
1326 | } | |
1327 | } | |
1328 | for (dv=devlist ; dv; dv=dv->next) { | |
1329 | switch(dv->disposition) { | |
1330 | case 'D': | |
54bad364 KS |
1331 | rv |= Detail(dv->devname, |
1332 | brief?1+verbose:0, | |
1333 | export, test, homehost); | |
1334 | continue; | |
e0d19036 | 1335 | case 'K': /* Zero superblock */ |
111d01fc NB |
1336 | rv |= Kill(dv->devname, force, quiet,0); |
1337 | continue; | |
e0d19036 NB |
1338 | case 'Q': |
1339 | rv |= Query(dv->devname); continue; | |
c82f047c | 1340 | case 'X': |
55935d51 | 1341 | rv |= ExamineBitmap(dv->devname, brief, ss); continue; |
b90c0e9a NB |
1342 | case 'W': |
1343 | rv |= Wait(dv->devname); continue; | |
1770662b | 1344 | case Waitclean: |
27dec8fa | 1345 | rv |= WaitClean(dv->devname, verbose-quiet); continue; |
e0d19036 | 1346 | } |
6be1d39d | 1347 | mdfd = open_mddev(dv->devname, 1); |
43fc1676 | 1348 | if (mdfd>=0) { |
e0d19036 NB |
1349 | switch(dv->disposition) { |
1350 | case 'R': | |
ab56093f | 1351 | rv |= Manage_runstop(dv->devname, mdfd, 1, quiet); break; |
e0d19036 | 1352 | case 'S': |
ab56093f | 1353 | rv |= Manage_runstop(dv->devname, mdfd, -1, quiet); break; |
e0d19036 NB |
1354 | case 'o': |
1355 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1356 | case 'w': | |
1357 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1358 | } | |
43fc1676 | 1359 | close(mdfd); |
7f48e210 NB |
1360 | } else |
1361 | rv |= 1; | |
e0d19036 | 1362 | } |
cd29a5c8 | 1363 | } |
9a9dab36 | 1364 | break; |
e0d19036 | 1365 | case MONITOR: |
e0d19036 NB |
1366 | if (!devlist && !scan) { |
1367 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
1368 | rv = 1; | |
1369 | break; | |
1370 | } | |
b5e64645 NB |
1371 | if (pidfile && !daemonise) { |
1372 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
1373 | rv = 1; | |
1374 | break; | |
1375 | } | |
ddc7201f N |
1376 | if (delay == 0) { |
1377 | if (get_linux_version() > 20616) | |
1378 | /* mdstat responds to poll */ | |
1379 | delay = 1000; | |
1380 | else | |
1381 | delay = 60; | |
1382 | } | |
d013a55e | 1383 | rv= Monitor(devlist, mailaddr, program, |
773135f5 | 1384 | delay?delay:60, daemonise, scan, oneshot, |
8aec876d | 1385 | dosyslog, test, pidfile); |
9a9dab36 | 1386 | break; |
dd0781e5 NB |
1387 | |
1388 | case GROW: | |
1389 | if (devs_found > 1) { | |
aba69144 | 1390 | |
e5329c37 NB |
1391 | /* must be '-a'. */ |
1392 | if (size >= 0 || raiddisks) { | |
1393 | fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n"); | |
1394 | rv = 1; | |
1395 | break; | |
1396 | } | |
1397 | for (dv=devlist->next; dv ; dv=dv->next) { | |
1398 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
1399 | if (rv) | |
1400 | break; | |
1401 | } | |
f5e166fe NB |
1402 | } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) + (bitmap_file != NULL)> 1) { |
1403 | fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n"); | |
dd0781e5 NB |
1404 | rv = 1; |
1405 | break; | |
b5e64645 NB |
1406 | } else if (layout != UnSet) |
1407 | rv = Manage_reconfig(devlist->devname, mdfd, layout); | |
1408 | else if (size >= 0 || raiddisks) | |
06b0d786 | 1409 | rv = Grow_reshape(devlist->devname, mdfd, quiet, backup_file, |
e86c9dd6 | 1410 | size, level, layout, chunk, raiddisks); |
f5e166fe NB |
1411 | else if (bitmap_file) { |
1412 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
1413 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, | |
8fac0577 | 1414 | bitmap_chunk, delay, write_behind, force); |
f5e166fe | 1415 | } else |
b5e64645 | 1416 | fprintf(stderr, Name ": no changes to --grow\n"); |
dd0781e5 | 1417 | break; |
8382f19b NB |
1418 | case INCREMENTAL: |
1419 | if (rebuild_map) { | |
1420 | RebuildMap(); | |
1421 | } | |
1422 | if (scan) { | |
1423 | if (runstop <= 0) { | |
1424 | fprintf(stderr, Name | |
1425 | ": --incremental --scan meaningless without --run.\n"); | |
1426 | break; | |
1427 | } | |
1428 | rv = IncrementalScan(verbose); | |
1429 | } | |
1430 | if (!devlist) { | |
1431 | if (!rebuild_map && !scan) { | |
1432 | fprintf(stderr, Name | |
1433 | ": --incremental requires a device.\n"); | |
1434 | rv = 1; | |
1435 | } | |
1436 | break; | |
1437 | } | |
1438 | if (devlist->next) { | |
1439 | fprintf(stderr, Name | |
1440 | ": --incremental can only handle one device.\n"); | |
1441 | rv = 1; | |
1442 | break; | |
1443 | } | |
1444 | rv = Incremental(devlist->devname, verbose-quiet, runstop, | |
0ac91628 | 1445 | ss, homehost, require_homehost, autof); |
1f48664b NB |
1446 | break; |
1447 | case AUTODETECT: | |
1448 | autodetect(); | |
1449 | break; | |
64c4757e | 1450 | } |
52826846 | 1451 | exit(rv); |
64c4757e | 1452 | } |