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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 | * |
cd29a5c8 | 4 | * Copyright (C) 2001-2002 Neil Brown <neilb@cse.unsw.edu.au> |
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 | * |
dfd4d8ee | 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 *help_text; |
44 | char *c; | |
45 | int rv; | |
f9ce90ba | 46 | int i; |
52826846 NB |
47 | |
48 | int chunk = 0; | |
dd0781e5 | 49 | int size = -1; |
98c6faba NB |
50 | int level = UnSet; |
51 | int layout = UnSet; | |
52826846 | 52 | int raiddisks = 0; |
ea329559 | 53 | int max_disks = MD_SB_DISKS; |
52826846 NB |
54 | int sparedisks = 0; |
55 | struct mddev_ident_s ident; | |
56 | char *configfile = NULL; | |
cd29a5c8 | 57 | char *cp; |
5787fa49 | 58 | char *update = NULL; |
52826846 NB |
59 | int scan = 0; |
60 | char devmode = 0; | |
61 | int runstop = 0; | |
62 | int readonly = 0; | |
dfd4d8ee | 63 | int write_behind = 0; |
c82f047c NB |
64 | int bitmap_fd = -1; |
65 | char *bitmap_file = NULL; | |
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; |
dd0781e5 | 77 | int assume_clean = 0; |
8d80900b NB |
78 | int autof = 0; /* -2 means create device based on name: |
79 | * if it ends mdN, then non-partitioned array N | |
80 | * if it ends dN, then partitions array N | |
81 | * -1 means create non-partitioned, choose N | |
82 | * 1 or more to create partitioned | |
83 | * If -1 or 1 and name is a 'standard' name, then | |
84 | * insist on a match of type and number. | |
85 | */ | |
52826846 NB |
86 | |
87 | char *mailaddr = NULL; | |
88 | char *program = NULL; | |
89 | int delay = 0; | |
d013a55e | 90 | int daemonise = 0; |
b5e64645 | 91 | char *pidfile = NULL; |
aa88f531 | 92 | int oneshot = 0; |
82d9eba6 | 93 | struct supertype *ss = NULL; |
dfd4d8ee | 94 | int writemostly = 0; |
fe80f49b | 95 | int re_add = 0; |
52826846 | 96 | |
e5329c37 NB |
97 | int copies; |
98 | ||
52826846 NB |
99 | int mdfd = -1; |
100 | ||
dfe47e00 NB |
101 | srandom(time(0) ^ getpid()); |
102 | ||
52826846 | 103 | ident.uuid_set=0; |
98c6faba NB |
104 | ident.level = UnSet; |
105 | ident.raid_disks = UnSet; | |
106 | ident.super_minor= UnSet; | |
52826846 | 107 | ident.devices=0; |
a75f2fbc NB |
108 | ident.spare_group = NULL; |
109 | ident.autof = 0; | |
a825febc | 110 | ident.st = NULL; |
c82f047c | 111 | ident.bitmap_fd = -1; |
947fd4dd | 112 | ident.name[0] = 0; |
52826846 | 113 | |
e0d19036 NB |
114 | while ((option_index = -1) , |
115 | (opt=getopt_long(argc, argv, | |
52826846 | 116 | short_options, long_options, |
e0d19036 NB |
117 | &option_index)) != -1) { |
118 | int newmode = mode; | |
dab6685f | 119 | /* firstly, some mode-independant options */ |
52826846 | 120 | switch(opt) { |
52826846 NB |
121 | case 'h': |
122 | help_text = Help; | |
56eedc1a NB |
123 | if (option_index > 0 && |
124 | strcmp(long_options[option_index].name, "help-options")==0) | |
125 | help_text = OptionHelp; | |
126 | else | |
127 | switch (mode) { | |
128 | case ASSEMBLE : help_text = Help_assemble; break; | |
129 | case BUILD : help_text = Help_build; break; | |
130 | case CREATE : help_text = Help_create; break; | |
131 | case MANAGE : help_text = Help_manage; break; | |
132 | case MISC : help_text = Help_misc; break; | |
133 | case MONITOR : help_text = Help_monitor; break; | |
dd0781e5 | 134 | case GROW : help_text = Help_grow; break; |
56eedc1a | 135 | } |
52826846 NB |
136 | fputs(help_text,stderr); |
137 | exit(0); | |
138 | ||
139 | case 'V': | |
140 | fputs(Version, stderr); | |
141 | exit(0); | |
142 | ||
22892d56 | 143 | case 'v': verbose++; |
52826846 NB |
144 | continue; |
145 | ||
dab6685f NB |
146 | case 'q': quiet++; |
147 | continue; | |
148 | ||
c82f047c | 149 | case 'b': |
f5e166fe | 150 | if (mode == ASSEMBLE || mode == BUILD || mode == CREATE || mode == GROW) |
c82f047c NB |
151 | break; /* b means bitmap */ |
152 | brief = 1; | |
cd29a5c8 NB |
153 | continue; |
154 | ||
e0d19036 NB |
155 | case ':': |
156 | case '?': | |
157 | fputs(Usage, stderr); | |
158 | exit(2); | |
159 | } | |
160 | /* second, figure out the mode. | |
161 | * Some options force the mode. Others | |
162 | * set the mode if it isn't already | |
163 | */ | |
164 | ||
165 | switch(opt) { | |
166 | case '@': /* just incase they say --manage */ | |
167 | newmode = MANAGE; break; | |
168 | case 'a': | |
169 | case 'r': | |
170 | case 'f': | |
fe80f49b | 171 | case 6: /* re-add */ |
0320ea45 NB |
172 | if (!mode) newmode = MANAGE; |
173 | break; | |
e0d19036 NB |
174 | |
175 | case 'A': newmode = ASSEMBLE; break; | |
176 | case 'B': newmode = BUILD; break; | |
177 | case 'C': newmode = CREATE; break; | |
178 | case 'F': newmode = MONITOR;break; | |
dd0781e5 | 179 | case 'G': newmode = GROW; break; |
e0d19036 NB |
180 | |
181 | case '#': | |
182 | case 'D': | |
183 | case 'E': | |
c82f047c | 184 | case 'X': |
e0d19036 NB |
185 | case 'Q': newmode = MISC; break; |
186 | case 'R': | |
187 | case 'S': | |
188 | case 'o': | |
189 | case 'w': | |
190 | case 'K': if (!mode) newmode = MISC; break; | |
191 | } | |
192 | if (mode && newmode == mode) { | |
193 | /* everybody happy ! */ | |
194 | } else if (mode && newmode != mode) { | |
195 | /* not allowed.. */ | |
196 | fprintf(stderr, Name ": "); | |
197 | if (option_index >= 0) | |
198 | fprintf(stderr, "--%s", long_options[option_index].name); | |
199 | else | |
200 | fprintf(stderr, "-%c", opt); | |
e6b64cd0 | 201 | fprintf(stderr, " would set mdadm mode to \"%s\", but it is already set to \"%s\".\n", |
e0d19036 NB |
202 | map_num(modes, newmode), |
203 | map_num(modes, mode)); | |
204 | exit(2); | |
205 | } else if (!mode && newmode) { | |
206 | mode = newmode; | |
207 | } else { | |
208 | /* special case of -c --help */ | |
209 | if (opt == 'c' && | |
210 | ( strncmp(optarg, "--h", 3)==0 || | |
211 | strncmp(optarg, "-h", 2)==0)) { | |
212 | fputs(Help_config, stderr); | |
213 | exit(0); | |
cd29a5c8 | 214 | } |
0320ea45 NB |
215 | |
216 | /* If first option is a device, don't force the mode yet */ | |
217 | if (opt == 1) { | |
218 | if (devs_found == 0) { | |
219 | dv = malloc(sizeof(*dv)); | |
220 | if (dv == NULL) { | |
221 | fprintf(stderr, Name ": malloc failed\n"); | |
222 | exit(3); | |
223 | } | |
224 | dv->devname = optarg; | |
225 | dv->disposition = devmode; | |
dfd4d8ee | 226 | dv->writemostly = writemostly; |
fe80f49b | 227 | dv->re_add = re_add; |
0320ea45 NB |
228 | dv->next = NULL; |
229 | *devlistend = dv; | |
230 | devlistend = &dv->next; | |
231 | ||
232 | devs_found++; | |
233 | continue; | |
234 | } | |
235 | /* No mode yet, and this is the second device ... */ | |
236 | fprintf(stderr, Name ": An option must be given to set the mode before a second device is listed\n"); | |
237 | exit(2); | |
238 | } | |
e0d19036 | 239 | if (option_index >= 0) |
0320ea45 | 240 | fprintf(stderr, Name ": --%s", long_options[option_index].name); |
e0d19036 | 241 | else |
0320ea45 NB |
242 | fprintf(stderr, Name ": -%c", opt); |
243 | fprintf(stderr, " does not set the mode, and so cannot be the first option.\n"); | |
e0d19036 NB |
244 | exit(2); |
245 | } | |
246 | ||
247 | /* if we just set the mode, then done */ | |
248 | switch(opt) { | |
249 | case '@': | |
250 | case '#': | |
251 | case 'A': | |
252 | case 'B': | |
253 | case 'C': | |
254 | case 'F': | |
dd0781e5 | 255 | case 'G': |
e0d19036 NB |
256 | continue; |
257 | } | |
258 | if (opt == 1) { | |
259 | /* an undecorated option - must be a device name. | |
260 | */ | |
cd29a5c8 | 261 | if (devs_found > 0 && mode == '@' && !devmode) { |
dd0781e5 | 262 | fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg); |
52826846 NB |
263 | exit(2); |
264 | } | |
e5329c37 NB |
265 | if (devs_found > 0 && mode == 'G' && !devmode) { |
266 | fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg); | |
267 | exit(2); | |
268 | } | |
cd29a5c8 NB |
269 | dv = malloc(sizeof(*dv)); |
270 | if (dv == NULL) { | |
271 | fprintf(stderr, Name ": malloc failed\n"); | |
272 | exit(3); | |
273 | } | |
274 | dv->devname = optarg; | |
275 | dv->disposition = devmode; | |
dfd4d8ee | 276 | dv->writemostly = writemostly; |
fe80f49b | 277 | dv->re_add = re_add; |
cd29a5c8 NB |
278 | dv->next = NULL; |
279 | *devlistend = dv; | |
280 | devlistend = &dv->next; | |
281 | ||
52826846 NB |
282 | devs_found++; |
283 | continue; | |
682c7051 | 284 | } |
682c7051 | 285 | |
52826846 NB |
286 | /* We've got a mode, and opt is now something else which |
287 | * could depend on the mode */ | |
288 | #define O(a,b) ((a<<8)|b) | |
289 | switch (O(mode,opt)) { | |
e0d19036 NB |
290 | case O(CREATE,'c'): |
291 | case O(BUILD,'c'): /* chunk or rounding */ | |
52826846 NB |
292 | if (chunk) { |
293 | fprintf(stderr, Name ": chunk/rounding may only be specified once. " | |
294 | "Second value is %s.\n", optarg); | |
295 | exit(2); | |
296 | } | |
297 | chunk = strtol(optarg, &c, 10); | |
298 | if (!optarg[0] || *c || chunk<4 || ((chunk-1)&chunk)) { | |
299 | fprintf(stderr, Name ": invalid chunk/rounding value: %s\n", | |
300 | optarg); | |
301 | exit(2); | |
302 | } | |
303 | continue; | |
64c4757e | 304 | |
f9ce90ba NB |
305 | case O(CREATE,'e'): |
306 | case O(ASSEMBLE,'e'): | |
307 | case O(MISC,'e'): /* set metadata (superblock) information */ | |
308 | if (ss) { | |
309 | fprintf(stderr, Name ": metadata information already given\n"); | |
310 | exit(2); | |
311 | } | |
82d9eba6 NB |
312 | for(i=0; !ss && superlist[i]; i++) |
313 | ss = superlist[i]->match_metadata_desc(optarg); | |
314 | ||
f9ce90ba NB |
315 | if (!ss) { |
316 | fprintf(stderr, Name ": unrecognised metadata identifier: %s\n", optarg); | |
317 | exit(2); | |
318 | } | |
ea329559 | 319 | max_disks = ss->max_devs; |
f9ce90ba NB |
320 | continue; |
321 | ||
dfd4d8ee NB |
322 | case O(MANAGE,'W'): |
323 | case O(BUILD,'W'): | |
324 | case O(CREATE,'W'): | |
325 | /* set write-mostly for following devices */ | |
326 | writemostly = 1; | |
327 | continue; | |
328 | ||
dd0781e5 | 329 | case O(GROW,'z'): |
e0d19036 | 330 | case O(CREATE,'z'): /* size */ |
dd0781e5 | 331 | if (size >= 0) { |
52826846 NB |
332 | fprintf(stderr, Name ": size may only be specified once. " |
333 | "Second value is %s.\n", optarg); | |
334 | exit(2); | |
335 | } | |
dd0781e5 NB |
336 | if (strcmp(optarg, "max")==0) |
337 | size = 0; | |
338 | else { | |
339 | size = strtol(optarg, &c, 10); | |
340 | if (!optarg[0] || *c || size < 4) { | |
341 | fprintf(stderr, Name ": invalid size: %s\n", | |
342 | optarg); | |
343 | exit(2); | |
344 | } | |
52826846 NB |
345 | } |
346 | continue; | |
64c4757e | 347 | |
b5e64645 | 348 | case O(GROW,'l'): /* hack - needed to understand layout */ |
e0d19036 NB |
349 | case O(CREATE,'l'): |
350 | case O(BUILD,'l'): /* set raid level*/ | |
98c6faba | 351 | if (level != UnSet) { |
52826846 NB |
352 | fprintf(stderr, Name ": raid level may only be set once. " |
353 | "Second value is %s.\n", optarg); | |
354 | exit(2); | |
355 | } | |
356 | level = map_name(pers, optarg); | |
98c6faba | 357 | if (level == UnSet) { |
52826846 NB |
358 | fprintf(stderr, Name ": invalid raid level: %s\n", |
359 | optarg); | |
360 | exit(2); | |
361 | } | |
b5e64645 | 362 | if (level != 0 && level != -1 && level != 1 && level != -4 && level != -5 && mode == BUILD) { |
52826846 NB |
363 | fprintf(stderr, Name ": Raid level %s not permitted with --build.\n", |
364 | optarg); | |
365 | exit(2); | |
366 | } | |
e0d19036 | 367 | if (sparedisks > 0 && level < 1 && level >= -1) { |
b83d95f3 | 368 | fprintf(stderr, Name ": raid level %s is incompatible with spare-devices setting.\n", |
52826846 NB |
369 | optarg); |
370 | exit(2); | |
371 | } | |
cd29a5c8 | 372 | ident.level = level; |
52826846 | 373 | continue; |
64c4757e | 374 | |
e0d19036 | 375 | case O(CREATE,'p'): /* raid5 layout */ |
b5e64645 NB |
376 | case O(BUILD,'p'): /* faulty layout */ |
377 | case O(GROW, 'p'): /* faulty reconfig */ | |
e5329c37 | 378 | if (layout != UnSet) { |
52826846 NB |
379 | fprintf(stderr,Name ": layout may only be sent once. " |
380 | "Second value was %s\n", optarg); | |
381 | exit(2); | |
382 | } | |
383 | switch(level) { | |
384 | default: | |
56eb10c0 | 385 | fprintf(stderr, Name ": layout not meaningful for %s arrays.\n", |
52826846 NB |
386 | map_num(pers, level)); |
387 | exit(2); | |
98c6faba | 388 | case UnSet: |
52826846 NB |
389 | fprintf(stderr, Name ": raid level must be given before layout.\n"); |
390 | exit(2); | |
391 | ||
392 | case 5: | |
98c6faba | 393 | case 6: |
52826846 | 394 | layout = map_name(r5layout, optarg); |
98c6faba | 395 | if (layout==UnSet) { |
52826846 NB |
396 | fprintf(stderr, Name ": layout %s not understood for raid5.\n", |
397 | optarg); | |
398 | exit(2); | |
399 | } | |
400 | break; | |
e5329c37 NB |
401 | |
402 | case 10: | |
403 | /* 'f' or 'n' followed by a number <= raid_disks */ | |
404 | if ((optarg[0] != 'n' && optarg[0] != 'f') || | |
405 | (copies = strtoul(optarg+1, &cp, 10)) < 1 || | |
406 | copies > 200 || | |
407 | *cp) { | |
408 | fprintf(stderr, Name ": layout for raid10 must be 'nNN' or 'fNN' where NN is a number, not %s\n", optarg); | |
409 | exit(2); | |
410 | } | |
411 | if (optarg[0] == 'n') | |
412 | layout = 256 + copies; | |
413 | else | |
414 | layout = 1 + (copies<<8); | |
415 | break; | |
b5e64645 NB |
416 | case -5: /* Faulty |
417 | * modeNNN | |
418 | */ | |
419 | ||
420 | { | |
421 | int ln = strcspn(optarg, "0123456789"); | |
422 | char *m = strdup(optarg); | |
423 | int mode; | |
424 | m[ln] = 0; | |
425 | mode = map_name(faultylayout, m); | |
426 | if (mode == UnSet) { | |
427 | fprintf(stderr, Name ": layout %s not understood for faulty.\n", | |
428 | optarg); | |
429 | exit(2); | |
430 | } | |
431 | layout = mode | (atoi(optarg+ln)<< ModeShift); | |
432 | } | |
52826846 NB |
433 | } |
434 | continue; | |
435 | ||
dd0781e5 NB |
436 | case O(CREATE,3): |
437 | case O(BUILD,3): /* assume clean */ | |
438 | assume_clean = 1; | |
439 | continue; | |
440 | ||
441 | case O(GROW,'n'): | |
e0d19036 NB |
442 | case O(CREATE,'n'): |
443 | case O(BUILD,'n'): /* number of raid disks */ | |
52826846 | 444 | if (raiddisks) { |
b83d95f3 | 445 | fprintf(stderr, Name ": raid-devices set twice: %d and %s\n", |
52826846 NB |
446 | raiddisks, optarg); |
447 | exit(2); | |
448 | } | |
449 | raiddisks = strtol(optarg, &c, 10); | |
e4c4352e | 450 | if (!optarg[0] || *c || raiddisks<=0) { |
b83d95f3 | 451 | fprintf(stderr, Name ": invalid number of raid devices: %s\n", |
52826846 NB |
452 | optarg); |
453 | exit(2); | |
454 | } | |
cd29a5c8 | 455 | ident.raid_disks = raiddisks; |
52826846 NB |
456 | continue; |
457 | ||
e0d19036 | 458 | case O(CREATE,'x'): /* number of spare (eXtra) discs */ |
52826846 | 459 | if (sparedisks) { |
b83d95f3 | 460 | fprintf(stderr,Name ": spare-devices set twice: %d and %s\n", |
52826846 NB |
461 | sparedisks, optarg); |
462 | exit(2); | |
463 | } | |
98c6faba | 464 | if (level != UnSet && level <= 0 && level >= -1) { |
b83d95f3 | 465 | fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n", |
52826846 NB |
466 | level); |
467 | exit(2); | |
468 | } | |
469 | sparedisks = strtol(optarg, &c, 10); | |
e4c4352e | 470 | if (!optarg[0] || *c || sparedisks < 0) { |
b83d95f3 | 471 | fprintf(stderr, Name ": invalid number of spare-devices: %s\n", |
52826846 NB |
472 | optarg); |
473 | exit(2); | |
474 | } | |
475 | continue; | |
dd0781e5 NB |
476 | |
477 | case O(CREATE,'a'): | |
478 | case O(BUILD,'a'): | |
479 | case O(ASSEMBLE,'a'): /* auto-creation of device node */ | |
480 | if (optarg == NULL) | |
8d80900b | 481 | autof = -2; |
dd0781e5 NB |
482 | else if (strcasecmp(optarg,"no")==0) |
483 | autof = 0; | |
8d80900b NB |
484 | else if (strcasecmp(optarg,"yes")==0) |
485 | autof = -2; | |
486 | else if (strcasecmp(optarg,"md")==0) | |
dd0781e5 NB |
487 | autof = -1; |
488 | else { | |
489 | /* There might be digits, and maybe a hypen, at the end */ | |
490 | char *e = optarg + strlen(optarg); | |
491 | int num = 4; | |
492 | int len; | |
493 | while (e > optarg && isdigit(e[-1])) | |
494 | e--; | |
495 | if (*e) { | |
496 | num = atoi(e); | |
497 | if (num <= 0) num = 1; | |
498 | } | |
499 | if (e > optarg && e[-1] == '-') | |
500 | e--; | |
501 | len = e - optarg; | |
502 | if ((len == 3 && strncasecmp(optarg,"mdp",3)==0) || | |
503 | (len == 1 && strncasecmp(optarg,"p",1)==0) || | |
504 | (len >= 4 && strncasecmp(optarg,"part",4)==0)) | |
505 | autof = num; | |
506 | else { | |
507 | fprintf(stderr, Name ": --auto flag arg of \"%s\" unrecognised: use no,yes,md,mdp,part\n" | |
508 | " optionally followed by a number.\n", | |
509 | optarg); | |
510 | exit(2); | |
511 | } | |
512 | } | |
513 | continue; | |
514 | ||
aa88f531 | 515 | case O(BUILD,'f'): /* force honouring '-n 1' */ |
bd72c2b2 | 516 | case O(GROW,'f'): /* ditto */ |
e0d19036 NB |
517 | case O(CREATE,'f'): /* force honouring of device list */ |
518 | case O(ASSEMBLE,'f'): /* force assembly */ | |
519 | case O(MISC,'f'): /* force zero */ | |
52826846 NB |
520 | force=1; |
521 | continue; | |
522 | ||
523 | /* now for the Assemble options */ | |
e0d19036 | 524 | case O(ASSEMBLE,'u'): /* uuid of array */ |
52826846 | 525 | if (ident.uuid_set) { |
cd29a5c8 | 526 | fprintf(stderr, Name ": uuid cannot be set twice. " |
52826846 NB |
527 | "Second value %s.\n", optarg); |
528 | exit(2); | |
529 | } | |
530 | if (parse_uuid(optarg, ident.uuid)) | |
531 | ident.uuid_set = 1; | |
532 | else { | |
533 | fprintf(stderr,Name ": Bad uuid: %s\n", optarg); | |
534 | exit(2); | |
535 | } | |
536 | continue; | |
537 | ||
947fd4dd NB |
538 | case O(CREATE,'N'): |
539 | case O(ASSEMBLE,'N'): | |
540 | if (ident.name[0]) { | |
541 | fprintf(stderr, Name ": name cannot be set twice. " | |
542 | "Second value %s.\n", optarg); | |
543 | exit(2); | |
544 | } | |
545 | if (strlen(optarg) > 32) { | |
546 | fprintf(stderr, Name ": name '%s' is too long, 32 chars max.\n", | |
547 | optarg); | |
548 | exit(2); | |
549 | } | |
550 | strcpy(ident.name, optarg); | |
551 | continue; | |
552 | ||
e0d19036 | 553 | case O(ASSEMBLE,'m'): /* super-minor for array */ |
98c6faba | 554 | if (ident.super_minor != UnSet) { |
cd29a5c8 NB |
555 | fprintf(stderr, Name ": super-minor cannot be set twice. " |
556 | "Second value: %s.\n", optarg); | |
557 | exit(2); | |
558 | } | |
d013a55e NB |
559 | if (strcmp(optarg, "dev")==0) |
560 | ident.super_minor = -2; | |
561 | else { | |
562 | ident.super_minor = strtoul(optarg, &cp, 10); | |
563 | if (!optarg[0] || *cp) { | |
564 | fprintf(stderr, Name ": Bad super-minor number: %s.\n", optarg); | |
565 | exit(2); | |
566 | } | |
cd29a5c8 NB |
567 | } |
568 | continue; | |
569 | ||
5787fa49 NB |
570 | case O(ASSEMBLE,'U'): /* update the superblock */ |
571 | if (update) { | |
572 | fprintf(stderr, Name ": Can only update one aspect of superblock, both %s and %s given.\n", | |
573 | update, optarg); | |
574 | exit(2); | |
575 | } | |
576 | update = optarg; | |
e5329c37 NB |
577 | if (strcmp(update, "sparc2.2")==0) |
578 | continue; | |
5787fa49 NB |
579 | if (strcmp(update, "super-minor") == 0) |
580 | continue; | |
feb716e9 NB |
581 | if (strcmp(update, "summaries")==0) |
582 | continue; | |
e5329c37 NB |
583 | if (strcmp(update, "resync")==0) |
584 | continue; | |
586ed405 NB |
585 | if (strcmp(update, "byteorder")==0) { |
586 | if (ss) { | |
587 | fprintf(stderr, Name ": must not set metadata type with --update=byteorder.\n"); | |
588 | exit(2); | |
589 | } | |
590 | for(i=0; !ss && superlist[i]; i++) | |
591 | ss = superlist[i]->match_metadata_desc("0.swap"); | |
592 | if (!ss) { | |
593 | fprintf(stderr, Name ": INTERNAL ERROR cannot find 0.swap\n"); | |
594 | exit(2); | |
595 | } | |
596 | ||
597 | continue; | |
598 | } | |
e5329c37 | 599 | fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'resync' or 'summaries' supported\n",update); |
5787fa49 NB |
600 | exit(2); |
601 | ||
e0d19036 | 602 | case O(ASSEMBLE,'c'): /* config file */ |
2d465520 | 603 | case O(MISC, 'c'): |
e0d19036 | 604 | case O(MONITOR,'c'): |
52826846 NB |
605 | if (configfile) { |
606 | fprintf(stderr, Name ": configfile cannot be set twice. " | |
607 | "Second value is %s.\n", optarg); | |
608 | exit(2); | |
609 | } | |
610 | configfile = optarg; | |
611 | /* FIXME possibly check that config file exists. Even parse it */ | |
612 | continue; | |
e0d19036 NB |
613 | case O(ASSEMBLE,'s'): /* scan */ |
614 | case O(MISC,'s'): | |
615 | case O(MONITOR,'s'): | |
52826846 NB |
616 | scan = 1; |
617 | continue; | |
618 | ||
e0d19036 | 619 | case O(MONITOR,'m'): /* mail address */ |
52826846 NB |
620 | if (mailaddr) |
621 | fprintf(stderr, Name ": only specify one mailaddress. %s ignored.\n", | |
622 | optarg); | |
623 | else | |
624 | mailaddr = optarg; | |
625 | continue; | |
626 | ||
e0d19036 | 627 | case O(MONITOR,'p'): /* alert program */ |
52826846 NB |
628 | if (program) |
629 | fprintf(stderr, Name ": only specify one alter program. %s ignored.\n", | |
630 | optarg); | |
631 | else | |
632 | program = optarg; | |
633 | continue; | |
64c4757e | 634 | |
e0d19036 | 635 | case O(MONITOR,'d'): /* delay in seconds */ |
f5e166fe | 636 | case O(GROW, 'd'): |
c82f047c NB |
637 | case O(BUILD,'d'): /* delay for bitmap updates */ |
638 | case O(CREATE,'d'): | |
52826846 NB |
639 | if (delay) |
640 | fprintf(stderr, Name ": only specify delay once. %s ignored.\n", | |
641 | optarg); | |
642 | else { | |
643 | delay = strtol(optarg, &c, 10); | |
644 | if (!optarg[0] || *c || delay<1) { | |
645 | fprintf(stderr, Name ": invalid delay: %s\n", | |
646 | optarg); | |
647 | exit(2); | |
648 | } | |
649 | } | |
650 | continue; | |
d013a55e NB |
651 | case O(MONITOR,'f'): /* daemonise */ |
652 | daemonise = 1; | |
653 | continue; | |
b5e64645 NB |
654 | case O(MONITOR,'i'): /* pid */ |
655 | if (pidfile) | |
656 | fprintf(stderr, Name ": only specify one pid file. %s ignored.\n", | |
657 | optarg); | |
658 | else | |
659 | pidfile = optarg; | |
660 | continue; | |
aa88f531 NB |
661 | case O(MONITOR,'1'): /* oneshot */ |
662 | oneshot = 1; | |
663 | continue; | |
98c6faba NB |
664 | case O(MONITOR,'t'): /* test */ |
665 | test = 1; | |
666 | continue; | |
52826846 NB |
667 | |
668 | /* now the general management options. Some are applicable | |
669 | * to other modes. None have arguments. | |
670 | */ | |
e5329c37 | 671 | case O(GROW,'a'): |
dd0781e5 | 672 | case O(MANAGE,'a'): /* add a drive */ |
52826846 | 673 | devmode = 'a'; |
fe80f49b NB |
674 | re_add = 0; |
675 | continue; | |
676 | case O(MANAGE,6): | |
677 | devmode = 'a'; | |
678 | re_add = 1; | |
52826846 | 679 | continue; |
e0d19036 | 680 | case O(MANAGE,'r'): /* remove a drive */ |
52826846 NB |
681 | devmode = 'r'; |
682 | continue; | |
e0d19036 | 683 | case O(MANAGE,'f'): /* set faulty */ |
52826846 NB |
684 | devmode = 'f'; |
685 | continue; | |
e0d19036 NB |
686 | case O(MANAGE,'R'): |
687 | case O(ASSEMBLE,'R'): | |
688 | case O(BUILD,'R'): | |
689 | case O(CREATE,'R'): /* Run the array */ | |
52826846 NB |
690 | if (runstop < 0) { |
691 | fprintf(stderr, Name ": Cannot both Stop and Run an array\n"); | |
692 | exit(2); | |
693 | } | |
694 | runstop = 1; | |
695 | continue; | |
e0d19036 | 696 | case O(MANAGE,'S'): |
52826846 NB |
697 | if (runstop > 0) { |
698 | fprintf(stderr, Name ": Cannot both Run and Stop an array\n"); | |
699 | exit(2); | |
700 | } | |
701 | runstop = -1; | |
702 | continue; | |
703 | ||
e0d19036 | 704 | case O(MANAGE,'o'): |
52826846 NB |
705 | if (readonly < 0) { |
706 | fprintf(stderr, Name ": Cannot have both readonly and readwrite\n"); | |
707 | exit(2); | |
708 | } | |
709 | readonly = 1; | |
710 | continue; | |
e0d19036 | 711 | case O(MANAGE,'w'): |
52826846 | 712 | if (readonly > 0) { |
e0d19036 | 713 | fprintf(stderr, Name ": Cannot have both readwrite and readonly.\n"); |
52826846 NB |
714 | exit(2); |
715 | } | |
716 | readonly = -1; | |
717 | continue; | |
e0d19036 NB |
718 | |
719 | case O(MISC,'Q'): | |
720 | case O(MISC,'D'): | |
721 | case O(MISC,'E'): | |
722 | case O(MISC,'K'): | |
723 | case O(MISC,'R'): | |
724 | case O(MISC,'S'): | |
c82f047c | 725 | case O(MISC,'X'): |
e0d19036 NB |
726 | case O(MISC,'o'): |
727 | case O(MISC,'w'): | |
728 | if (devmode && devmode != opt && | |
729 | (devmode == 'E' || (opt == 'E' && devmode != 'Q'))) { | |
730 | fprintf(stderr, Name ": --examine/-E cannot be given with -%c\n", | |
731 | devmode =='E'?opt:devmode); | |
732 | exit(2); | |
733 | } | |
734 | devmode = opt; | |
735 | continue; | |
feb716e9 NB |
736 | case O(MISC,'t'): |
737 | test = 1; | |
738 | continue; | |
e0d19036 | 739 | |
bd526cee NB |
740 | case O(MISC, 22): |
741 | if (devmode != 'E') { | |
742 | fprintf(stderr, Name ": --sparc2.2 only allowed with --examine\n"); | |
743 | exit(2); | |
744 | } | |
745 | SparcAdjust = 1; | |
746 | continue; | |
c82f047c NB |
747 | |
748 | case O(ASSEMBLE,'b'): /* here we simply set the bitmap file */ | |
749 | if (!optarg) { | |
750 | fprintf(stderr, Name ": bitmap file needed with -b in --assemble mode\n"); | |
751 | exit(2); | |
752 | } | |
55935d51 NB |
753 | if (strcmp(optarg, "internal")==0) { |
754 | fprintf(stderr, Name ": there is no need to specify --bitmap when assembling arrays with internal bitmaps\n"); | |
755 | continue; | |
756 | } | |
c82f047c NB |
757 | bitmap_fd = open(optarg, O_RDWR); |
758 | if (!*optarg || bitmap_fd < 0) { | |
759 | fprintf(stderr, Name ": cannot open bitmap file %s: %s\n", optarg, strerror(errno)); | |
760 | exit(2); | |
761 | } | |
762 | ident.bitmap_fd = bitmap_fd; /* for Assemble */ | |
763 | continue; | |
f5e166fe NB |
764 | |
765 | case O(GROW,'b'): | |
c82f047c NB |
766 | case O(BUILD,'b'): |
767 | case O(CREATE,'b'): /* here we create the bitmap */ | |
768 | bitmap_file = optarg; | |
769 | continue; | |
770 | ||
f5e166fe | 771 | case O(GROW,4): |
c82f047c NB |
772 | case O(BUILD,4): |
773 | case O(CREATE,4): /* bitmap chunksize */ | |
774 | bitmap_chunk = strtol(optarg, &c, 10); | |
775 | if (!optarg[0] || *c || bitmap_chunk < 0 || | |
776 | bitmap_chunk & (bitmap_chunk - 1)) { | |
777 | fprintf(stderr, Name ": invalid bitmap chunksize: %s\n", | |
778 | optarg); | |
779 | exit(2); | |
780 | } | |
781 | /* convert K to B, chunk of 0K means 512B */ | |
782 | bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; | |
783 | continue; | |
dfd4d8ee NB |
784 | |
785 | case O(BUILD, 5): | |
786 | case O(CREATE, 5): /* write-behind mode */ | |
787 | write_behind = DEFAULT_MAX_WRITE_BEHIND; | |
788 | if (optarg) { | |
789 | write_behind = strtol(optarg, &c, 10); | |
790 | if (write_behind < 0 || *c || | |
791 | write_behind > 16383) { | |
792 | fprintf(stderr, Name ": Invalid value for maximum outstanding write-behind writes: %s.\n\tMust be between 0 and 16383.\n", optarg); | |
793 | exit(2); | |
794 | } | |
795 | } | |
796 | continue; | |
52826846 NB |
797 | } |
798 | /* We have now processed all the valid options. Anything else is | |
799 | * an error | |
800 | */ | |
e0d19036 NB |
801 | fprintf(stderr, Name ": option %c not valid in %s mode\n", |
802 | opt, map_num(modes, mode)); | |
64c4757e | 803 | exit(2); |
52826846 NB |
804 | |
805 | } | |
806 | ||
0320ea45 NB |
807 | if (!mode && devs_found) { |
808 | mode = MISC; | |
809 | devmode = 'Q'; | |
810 | if (devlist->disposition == 0) | |
811 | devlist->disposition = devmode; | |
812 | } | |
52826846 NB |
813 | if (!mode) { |
814 | fputs(Usage, stderr); | |
64c4757e | 815 | exit(2); |
64c4757e | 816 | } |
52826846 NB |
817 | /* Ok, got the option parsing out of the way |
818 | * hopefully it's mostly right but there might be some stuff | |
819 | * missing | |
820 | * | |
e0d19036 | 821 | * That is mosty checked in the per-mode stuff but... |
52826846 NB |
822 | * |
823 | * For @,B,C and A without -s, the first device listed must be an md device | |
824 | * we check that here and open it. | |
64c4757e | 825 | */ |
52826846 | 826 | |
dd0781e5 NB |
827 | if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW || |
828 | (mode == ASSEMBLE && ! scan)) { | |
52826846 NB |
829 | if (devs_found < 1) { |
830 | fprintf(stderr, Name ": an md device must be given in this mode\n"); | |
831 | exit(2); | |
832 | } | |
dd0781e5 NB |
833 | if ((int)ident.super_minor == -2 && autof) { |
834 | fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n"); | |
835 | exit(2); | |
836 | } | |
837 | mdfd = open_mddev(devlist->devname, autof); | |
52826846 NB |
838 | if (mdfd < 0) |
839 | exit(1); | |
98c6faba | 840 | if ((int)ident.super_minor == -2) { |
d013a55e NB |
841 | struct stat stb; |
842 | fstat(mdfd, &stb); | |
0df46c2a | 843 | ident.super_minor = minor(stb.st_rdev); |
d013a55e | 844 | } |
64c4757e | 845 | } |
52826846 | 846 | |
e4c4352e NB |
847 | if (raiddisks) { |
848 | if (raiddisks > max_disks) { | |
6fbba4c9 NB |
849 | fprintf(stderr, Name ": invalid number of raid devices: %d\n", |
850 | raiddisks); | |
e4c4352e NB |
851 | exit(2); |
852 | } | |
853 | if (raiddisks == 1 && !force && level != -5) { | |
854 | fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n" | |
855 | " a mistake. If you really mean it you will need to specify --force before\n" | |
856 | " setting the number of drives.\n"); | |
857 | exit(2); | |
858 | } | |
859 | } | |
860 | if (sparedisks) { | |
861 | if ( sparedisks > max_disks - raiddisks) { | |
6fbba4c9 NB |
862 | fprintf(stderr, Name ": invalid number of spare-devices: %d\n", |
863 | sparedisks); | |
e4c4352e NB |
864 | exit(2); |
865 | } | |
866 | } | |
c82f047c | 867 | |
52826846 NB |
868 | rv = 0; |
869 | switch(mode) { | |
e0d19036 | 870 | case MANAGE: |
52826846 NB |
871 | /* readonly, add/remove, readwrite, runstop */ |
872 | if (readonly>0) | |
cd29a5c8 | 873 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 874 | if (!rv && devs_found>1) |
cd29a5c8 | 875 | rv = Manage_subdevs(devlist->devname, mdfd, |
dab6685f | 876 | devlist->next, verbose-quiet); |
52826846 | 877 | if (!rv && readonly < 0) |
cd29a5c8 | 878 | rv = Manage_ro(devlist->devname, mdfd, readonly); |
52826846 | 879 | if (!rv && runstop) |
91f068bf | 880 | rv = Manage_runstop(devlist->devname, mdfd, runstop, 0); |
52826846 | 881 | break; |
e0d19036 | 882 | case ASSEMBLE: |
d013a55e | 883 | if (devs_found == 1 && ident.uuid_set == 0 && |
947fd4dd | 884 | ident.super_minor == UnSet && ident.name[0] == 0 && !scan ) { |
d013a55e NB |
885 | /* Only a device has been given, so get details from config file */ |
886 | mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname); | |
b5e64645 NB |
887 | if (array_ident == NULL) { |
888 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
889 | devlist->devname); | |
d013a55e | 890 | rv |= 1; |
b5e64645 | 891 | } else { |
1337546d NB |
892 | mdfd = open_mddev(devlist->devname, |
893 | array_ident->autof ? array_ident->autof : autof); | |
b5e64645 | 894 | if (mdfd < 0) |
d013a55e | 895 | rv |= 1; |
b5e64645 | 896 | else { |
f9ce90ba | 897 | rv |= Assemble(ss, devlist->devname, mdfd, array_ident, configfile, |
d013a55e | 898 | NULL, |
dab6685f | 899 | readonly, runstop, update, verbose-quiet, force); |
b5e64645 NB |
900 | close(mdfd); |
901 | } | |
d013a55e NB |
902 | } |
903 | } else if (!scan) | |
f9ce90ba | 904 | rv = Assemble(ss, devlist->devname, mdfd, &ident, configfile, |
cd29a5c8 | 905 | devlist->next, |
dab6685f | 906 | readonly, runstop, update, verbose-quiet, force); |
5787fa49 NB |
907 | else if (devs_found>0) { |
908 | if (update && devs_found > 1) { | |
909 | fprintf(stderr, Name ": can only update a single array at a time\n"); | |
910 | exit(1); | |
911 | } | |
cd29a5c8 NB |
912 | for (dv = devlist ; dv ; dv=dv->next) { |
913 | mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname); | |
52826846 NB |
914 | if (array_ident == NULL) { |
915 | fprintf(stderr, Name ": %s not identified in config file.\n", | |
cd29a5c8 | 916 | dv->devname); |
52826846 NB |
917 | rv |= 1; |
918 | continue; | |
919 | } | |
1337546d NB |
920 | mdfd = open_mddev(dv->devname, |
921 | array_ident->autof ?array_ident->autof : autof); | |
b5e64645 NB |
922 | if (mdfd < 0) { |
923 | rv |= 1; | |
924 | continue; | |
925 | } | |
f9ce90ba | 926 | rv |= Assemble(ss, dv->devname, mdfd, array_ident, configfile, |
cd29a5c8 | 927 | NULL, |
dab6685f | 928 | readonly, runstop, update, verbose-quiet, force); |
b5e64645 | 929 | close(mdfd); |
52826846 | 930 | } |
5787fa49 | 931 | } else { |
52826846 NB |
932 | mddev_ident_t array_list = conf_get_ident(configfile, NULL); |
933 | if (!array_list) { | |
934 | fprintf(stderr, Name ": No arrays found in config file\n"); | |
935 | rv = 1; | |
936 | } else | |
937 | for (; array_list; array_list = array_list->next) { | |
cd29a5c8 | 938 | mdu_array_info_t array; |
1337546d NB |
939 | mdfd = open_mddev(array_list->devname, |
940 | array_list->autof ? array_list->autof : autof); | |
52826846 NB |
941 | if (mdfd < 0) { |
942 | rv |= 1; | |
943 | continue; | |
944 | } | |
cd29a5c8 NB |
945 | if (ioctl(mdfd, GET_ARRAY_INFO, &array)>=0) |
946 | /* already assembled, skip */ | |
43fc1676 NB |
947 | ; |
948 | else | |
f9ce90ba | 949 | rv |= Assemble(ss, array_list->devname, mdfd, |
43fc1676 NB |
950 | array_list, configfile, |
951 | NULL, | |
dab6685f | 952 | readonly, runstop, NULL, verbose-quiet, force); |
43fc1676 | 953 | close(mdfd); |
52826846 NB |
954 | } |
955 | } | |
956 | break; | |
e0d19036 | 957 | case BUILD: |
c82f047c NB |
958 | if (bitmap_chunk == UnSet) bitmap_chunk = DEFAULT_BITMAP_CHUNK; |
959 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
dfd4d8ee NB |
960 | if (write_behind && !bitmap_file) { |
961 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
962 | rv = 1; | |
963 | break; | |
964 | } | |
965 | ||
c82f047c | 966 | if (bitmap_file) { |
55935d51 NB |
967 | if (strcmp(bitmap_file, "internal")==0) { |
968 | fprintf(stderr, Name ": 'internal' bitmaps not supported with --build\n"); | |
969 | rv |= 1; | |
970 | break; | |
971 | } | |
c82f047c NB |
972 | } |
973 | rv = Build(devlist->devname, mdfd, chunk, level, layout, | |
974 | raiddisks, devlist->next, assume_clean, | |
dab6685f | 975 | bitmap_file, bitmap_chunk, write_behind, delay, verbose-quiet); |
52826846 | 976 | break; |
e0d19036 | 977 | case CREATE: |
c82f047c | 978 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; |
dfd4d8ee NB |
979 | if (write_behind && !bitmap_file) { |
980 | fprintf(stderr, Name ": write-behind mode requires a bitmap.\n"); | |
981 | rv = 1; | |
982 | break; | |
983 | } | |
f9ce90ba | 984 | if (ss == NULL) { |
82d9eba6 NB |
985 | for(i=0; !ss && superlist[i]; i++) |
986 | ss = superlist[i]->match_metadata_desc("default"); | |
f9ce90ba NB |
987 | } |
988 | if (!ss) { | |
989 | fprintf(stderr, Name ": internal error - no default metadata style\n"); | |
990 | exit(2); | |
991 | } | |
992 | ||
993 | rv = Create(ss, devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size, | |
947fd4dd | 994 | raiddisks, sparedisks, ident.name, |
dab6685f | 995 | devs_found-1, devlist->next, runstop, verbose-quiet, force, |
dfd4d8ee | 996 | bitmap_file, bitmap_chunk, write_behind, delay); |
52826846 | 997 | break; |
e0d19036 NB |
998 | case MISC: |
999 | ||
1000 | if (devmode == 'E') { | |
1001 | if (devlist == NULL && !scan) { | |
1002 | fprintf(stderr, Name ": No devices to examine\n"); | |
1003 | exit(2); | |
1004 | } | |
1005 | if (devlist == NULL) | |
1006 | devlist = conf_get_devs(configfile); | |
1007 | if (devlist == NULL) { | |
c913b90e | 1008 | fprintf(stderr, Name ": No devices listed in %s\n", configfile?configfile:DefaultConfFile); |
e0d19036 NB |
1009 | exit(1); |
1010 | } | |
22892d56 | 1011 | rv = Examine(devlist, scan?(verbose>1?0:verbose+1):brief, scan, SparcAdjust, ss); |
e0d19036 NB |
1012 | } else { |
1013 | if (devlist == NULL) { | |
91f068bf NB |
1014 | if (devmode=='D' && scan) { |
1015 | /* apply --detail to all devices in /proc/mdstat */ | |
dd0781e5 | 1016 | struct mdstat_ent *ms = mdstat_read(0); |
e0d19036 NB |
1017 | struct mdstat_ent *e; |
1018 | for (e=ms ; e ; e=e->next) { | |
1019 | char *name = get_md_name(e->devnum); | |
1020 | ||
1021 | if (!name) { | |
1022 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1023 | e->dev); | |
1024 | continue; | |
1025 | } | |
22892d56 | 1026 | rv |= Detail(name, verbose>1?0:verbose+1, test); |
91f068bf NB |
1027 | put_md_name(name); |
1028 | } | |
1029 | } else if (devmode == 'S' && scan) { | |
1030 | /* apply --stop to all devices in /proc/mdstat */ | |
1031 | /* Due to possible stacking of devices, repeat until | |
1032 | * nothing more can be stopped | |
1033 | */ | |
1034 | int progress=1, err; | |
1035 | int last = 0; | |
1036 | do { | |
1037 | struct mdstat_ent *ms = mdstat_read(0); | |
1038 | struct mdstat_ent *e; | |
1039 | ||
1040 | if (!progress) last = 1; | |
1041 | progress = 0; err = 0; | |
1042 | for (e=ms ; e ; e=e->next) { | |
1043 | char *name = get_md_name(e->devnum); | |
1044 | ||
1045 | if (!name) { | |
1046 | fprintf(stderr, Name ": cannot find device file for %s\n", | |
1047 | e->dev); | |
1048 | continue; | |
1049 | } | |
dd0781e5 | 1050 | mdfd = open_mddev(name, 0); |
43fc1676 | 1051 | if (mdfd >= 0) { |
91f068bf NB |
1052 | if (Manage_runstop(name, mdfd, -1, !last)) |
1053 | err = 1; | |
1054 | else | |
1055 | progress = 1; | |
43fc1676 NB |
1056 | close(mdfd); |
1057 | } | |
91f068bf NB |
1058 | |
1059 | put_md_name(name); | |
e0d19036 | 1060 | } |
91f068bf NB |
1061 | } while (!last && err); |
1062 | } else { | |
e0d19036 NB |
1063 | fprintf(stderr, Name ": No devices given.\n"); |
1064 | exit(2); | |
1065 | } | |
1066 | } | |
1067 | for (dv=devlist ; dv; dv=dv->next) { | |
1068 | switch(dv->disposition) { | |
1069 | case 'D': | |
22892d56 | 1070 | rv |= Detail(dv->devname, brief?1+verbose:0, test); continue; |
e0d19036 NB |
1071 | case 'K': /* Zero superblock */ |
1072 | rv |= Kill(dv->devname, force); continue; | |
1073 | case 'Q': | |
1074 | rv |= Query(dv->devname); continue; | |
c82f047c | 1075 | case 'X': |
55935d51 | 1076 | rv |= ExamineBitmap(dv->devname, brief, ss); continue; |
e0d19036 | 1077 | } |
dd0781e5 | 1078 | mdfd = open_mddev(dv->devname, 0); |
43fc1676 | 1079 | if (mdfd>=0) { |
e0d19036 NB |
1080 | switch(dv->disposition) { |
1081 | case 'R': | |
91f068bf | 1082 | rv |= Manage_runstop(dv->devname, mdfd, 1, 0); break; |
e0d19036 | 1083 | case 'S': |
91f068bf | 1084 | rv |= Manage_runstop(dv->devname, mdfd, -1, 0); break; |
e0d19036 NB |
1085 | case 'o': |
1086 | rv |= Manage_ro(dv->devname, mdfd, 1); break; | |
1087 | case 'w': | |
1088 | rv |= Manage_ro(dv->devname, mdfd, -1); break; | |
1089 | } | |
43fc1676 NB |
1090 | close(mdfd); |
1091 | } | |
e0d19036 | 1092 | } |
cd29a5c8 | 1093 | } |
9a9dab36 | 1094 | break; |
e0d19036 | 1095 | case MONITOR: |
e0d19036 NB |
1096 | if (!devlist && !scan) { |
1097 | fprintf(stderr, Name ": Cannot monitor: need --scan or at least one device\n"); | |
1098 | rv = 1; | |
1099 | break; | |
1100 | } | |
b5e64645 NB |
1101 | if (pidfile && !daemonise) { |
1102 | fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n"); | |
1103 | rv = 1; | |
1104 | break; | |
1105 | } | |
d013a55e | 1106 | rv= Monitor(devlist, mailaddr, program, |
b5e64645 | 1107 | delay?delay:60, daemonise, scan, oneshot, configfile, test, pidfile); |
9a9dab36 | 1108 | break; |
dd0781e5 NB |
1109 | |
1110 | case GROW: | |
1111 | if (devs_found > 1) { | |
e5329c37 NB |
1112 | |
1113 | /* must be '-a'. */ | |
1114 | if (size >= 0 || raiddisks) { | |
1115 | fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n"); | |
1116 | rv = 1; | |
1117 | break; | |
1118 | } | |
1119 | for (dv=devlist->next; dv ; dv=dv->next) { | |
1120 | rv = Grow_Add_device(devlist->devname, mdfd, dv->devname); | |
1121 | if (rv) | |
1122 | break; | |
1123 | } | |
f5e166fe NB |
1124 | } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) + (bitmap_file != NULL)> 1) { |
1125 | fprintf(stderr, Name ": can change at most one of size, raiddisks, bitmap, and layout\n"); | |
dd0781e5 NB |
1126 | rv = 1; |
1127 | break; | |
b5e64645 NB |
1128 | } else if (layout != UnSet) |
1129 | rv = Manage_reconfig(devlist->devname, mdfd, layout); | |
1130 | else if (size >= 0 || raiddisks) | |
e5329c37 | 1131 | rv = Manage_resize(devlist->devname, mdfd, size, raiddisks); |
f5e166fe NB |
1132 | else if (bitmap_file) { |
1133 | if (delay == 0) delay = DEFAULT_BITMAP_DELAY; | |
1134 | rv = Grow_addbitmap(devlist->devname, mdfd, bitmap_file, | |
dfd4d8ee | 1135 | bitmap_chunk, delay, write_behind); |
f5e166fe | 1136 | } else |
b5e64645 | 1137 | fprintf(stderr, Name ": no changes to --grow\n"); |
dd0781e5 | 1138 | break; |
64c4757e | 1139 | } |
52826846 | 1140 | exit(rv); |
64c4757e | 1141 | } |