#include "mdadm.h"
#include "md_p.h"
-
-int open_mddev(char *dev)
-{
- int mdfd = open(dev, O_RDWR, 0);
- if (mdfd < 0)
- fprintf(stderr, Name ": error opening %s: %s\n",
- dev, strerror(errno));
- else if (md_get_version(mdfd) <= 0) {
- fprintf(stderr, Name ": %s does not appear to be an md device\n",
- dev);
- close(mdfd);
- mdfd = -1;
- }
- return mdfd;
-}
+#include <ctype.h>
int rv;
int chunk = 0;
- int size = 0;
- int level = -10;
- int layout = -1;
+ int size = -1;
+ int level = UnSet;
+ int layout = UnSet;
int raiddisks = 0;
int sparedisks = 0;
struct mddev_ident_s ident;
int verbose = 0;
int brief = 0;
int force = 0;
+ int test = 0;
+ int assume_clean = 0;
+ int autof = 0; /* -2 means create device based on name:
+ * if it ends mdN, then non-partitioned array N
+ * if it ends dN, then partitions array N
+ * -1 means create non-partitioned, choose N
+ * 1 or more to create partitioned
+ * If -1 or 1 and name is a 'standard' name, then
+ * insist on a match of type and number.
+ */
char *mailaddr = NULL;
char *program = NULL;
int delay = 0;
int daemonise = 0;
+ char *pidfile = NULL;
int oneshot = 0;
+ int copies;
+
int mdfd = -1;
ident.uuid_set=0;
- ident.level = -10;
- ident.raid_disks = -1;
- ident.super_minor= -1;
+ ident.level = UnSet;
+ ident.raid_disks = UnSet;
+ ident.super_minor= UnSet;
ident.devices=0;
+ ident.spare_group = NULL;
+ ident.autof = 0;
while ((option_index = -1) ,
(opt=getopt_long(argc, argv,
case MANAGE : help_text = Help_manage; break;
case MISC : help_text = Help_misc; break;
case MONITOR : help_text = Help_monitor; break;
+ case GROW : help_text = Help_grow; break;
}
fputs(help_text,stderr);
exit(0);
case 'B': newmode = BUILD; break;
case 'C': newmode = CREATE; break;
case 'F': newmode = MONITOR;break;
+ case 'G': newmode = GROW; break;
case '#':
case 'D':
case 'B':
case 'C':
case 'F':
+ case 'G':
continue;
}
if (opt == 1) {
/* an undecorated option - must be a device name.
*/
if (devs_found > 0 && mode == '@' && !devmode) {
- fprintf(stderr, Name ": Must give on of -a/-r/-f for subsequent devices at %s\n", optarg);
+ fprintf(stderr, Name ": Must give one of -a/-r/-f for subsequent devices at %s\n", optarg);
+ exit(2);
+ }
+ if (devs_found > 0 && mode == 'G' && !devmode) {
+ fprintf(stderr, Name ": Must give one of -a for devices do add: %s\n", optarg);
exit(2);
}
dv = malloc(sizeof(*dv));
}
continue;
+ case O(GROW,'z'):
case O(CREATE,'z'): /* size */
- if (size) {
+ if (size >= 0) {
fprintf(stderr, Name ": size may only be specified once. "
"Second value is %s.\n", optarg);
exit(2);
}
- size = strtol(optarg, &c, 10);
- if (!optarg[0] || *c || size < 4) {
- fprintf(stderr, Name ": invalid size: %s\n",
- optarg);
- exit(2);
+ if (strcmp(optarg, "max")==0)
+ size = 0;
+ else {
+ size = strtol(optarg, &c, 10);
+ if (!optarg[0] || *c || size < 4) {
+ fprintf(stderr, Name ": invalid size: %s\n",
+ optarg);
+ exit(2);
+ }
}
continue;
+ case O(GROW,'l'): /* hack - needed to understand layout */
case O(CREATE,'l'):
case O(BUILD,'l'): /* set raid level*/
- if (level != -10) {
+ if (level != UnSet) {
fprintf(stderr, Name ": raid level may only be set once. "
"Second value is %s.\n", optarg);
exit(2);
}
level = map_name(pers, optarg);
- if (level == -10) {
+ if (level == UnSet) {
fprintf(stderr, Name ": invalid raid level: %s\n",
optarg);
exit(2);
}
- if (level != 0 && level != -1 && mode == BUILD) {
+ if (level != 0 && level != -1 && level != 1 && level != -4 && level != -5 && mode == BUILD) {
fprintf(stderr, Name ": Raid level %s not permitted with --build.\n",
optarg);
exit(2);
continue;
case O(CREATE,'p'): /* raid5 layout */
- if (layout >= 0) {
+ case O(BUILD,'p'): /* faulty layout */
+ case O(GROW, 'p'): /* faulty reconfig */
+ if (layout != UnSet) {
fprintf(stderr,Name ": layout may only be sent once. "
"Second value was %s\n", optarg);
exit(2);
fprintf(stderr, Name ": layout not meaningful for %s arrays.\n",
map_num(pers, level));
exit(2);
- case -10:
+ case UnSet:
fprintf(stderr, Name ": raid level must be given before layout.\n");
exit(2);
case 5:
+ case 6:
layout = map_name(r5layout, optarg);
- if (layout==-10) {
+ if (layout==UnSet) {
fprintf(stderr, Name ": layout %s not understood for raid5.\n",
optarg);
exit(2);
}
break;
+
+ case 10:
+ /* 'f' or 'n' followed by a number <= raid_disks */
+ if ((optarg[0] != 'n' && optarg[0] != 'f') ||
+ (copies = strtoul(optarg+1, &cp, 10)) < 1 ||
+ copies > 200 ||
+ *cp) {
+ fprintf(stderr, Name ": layout for raid10 must be 'nNN' or 'fNN' where NN is a number, not %s\n", optarg);
+ exit(2);
+ }
+ if (optarg[0] == 'n')
+ layout = 256 + copies;
+ else
+ layout = 1 + (copies<<8);
+ break;
+ case -5: /* Faulty
+ * modeNNN
+ */
+
+ {
+ int ln = strcspn(optarg, "0123456789");
+ char *m = strdup(optarg);
+ int mode;
+ m[ln] = 0;
+ mode = map_name(faultylayout, m);
+ if (mode == UnSet) {
+ fprintf(stderr, Name ": layout %s not understood for faulty.\n",
+ optarg);
+ exit(2);
+ }
+ layout = mode | (atoi(optarg+ln)<< ModeShift);
+ }
}
continue;
+ case O(CREATE,3):
+ case O(BUILD,3): /* assume clean */
+ assume_clean = 1;
+ continue;
+
+ case O(GROW,'n'):
case O(CREATE,'n'):
case O(BUILD,'n'): /* number of raid disks */
if (raiddisks) {
optarg);
exit(2);
}
- if (raiddisks == 1 && !force) {
+ if (raiddisks == 1 && !force && level != -5) {
fprintf(stderr, Name ": '1' is an unusual number of drives for an array, so it is probably\n"
" a mistake. If you really mean it you will need to specify --force before\n"
" setting the number of drives.\n");
sparedisks, optarg);
exit(2);
}
- if (level > -10 && level <= 0 && level >= -1) {
+ if (level != UnSet && level <= 0 && level >= -1) {
fprintf(stderr, Name ": spare-devices setting is incompatible with raid level %d\n",
level);
exit(2);
exit(2);
}
continue;
+
+ case O(CREATE,'a'):
+ case O(BUILD,'a'):
+ case O(ASSEMBLE,'a'): /* auto-creation of device node */
+ if (optarg == NULL)
+ autof = -2;
+ else if (strcasecmp(optarg,"no")==0)
+ autof = 0;
+ else if (strcasecmp(optarg,"yes")==0)
+ autof = -2;
+ else if (strcasecmp(optarg,"md")==0)
+ autof = -1;
+ else {
+ /* There might be digits, and maybe a hypen, at the end */
+ char *e = optarg + strlen(optarg);
+ int num = 4;
+ int len;
+ while (e > optarg && isdigit(e[-1]))
+ e--;
+ if (*e) {
+ num = atoi(e);
+ if (num <= 0) num = 1;
+ }
+ if (e > optarg && e[-1] == '-')
+ e--;
+ len = e - optarg;
+ if ((len == 3 && strncasecmp(optarg,"mdp",3)==0) ||
+ (len == 1 && strncasecmp(optarg,"p",1)==0) ||
+ (len >= 4 && strncasecmp(optarg,"part",4)==0))
+ autof = num;
+ else {
+ fprintf(stderr, Name ": --auto flag arg of \"%s\" unrecognised: use no,yes,md,mdp,part\n"
+ " optionally followed by a number.\n",
+ optarg);
+ exit(2);
+ }
+ }
+ continue;
+
case O(BUILD,'f'): /* force honouring '-n 1' */
case O(CREATE,'f'): /* force honouring of device list */
case O(ASSEMBLE,'f'): /* force assembly */
continue;
case O(ASSEMBLE,'m'): /* super-minor for array */
- if (ident.super_minor != -1) {
+ if (ident.super_minor != UnSet) {
fprintf(stderr, Name ": super-minor cannot be set twice. "
"Second value: %s.\n", optarg);
exit(2);
exit(2);
}
update = optarg;
- if (strcmp(update, "sparc2.2")==0) continue;
+ if (strcmp(update, "sparc2.2")==0)
+ continue;
if (strcmp(update, "super-minor") == 0)
continue;
- fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2' or 'super-minor' supported\n",update);
+ if (strcmp(update, "summaries")==0)
+ continue;
+ if (strcmp(update, "resync")==0)
+ continue;
+ fprintf(stderr, Name ": '--update %s' invalid. Only 'sparc2.2', 'super-minor', 'resync' or 'summaries' supported\n",update);
exit(2);
case O(ASSEMBLE,'c'): /* config file */
case O(MONITOR,'f'): /* daemonise */
daemonise = 1;
continue;
+ case O(MONITOR,'i'): /* pid */
+ if (pidfile)
+ fprintf(stderr, Name ": only specify one pid file. %s ignored.\n",
+ optarg);
+ else
+ pidfile = optarg;
+ continue;
case O(MONITOR,'1'): /* oneshot */
oneshot = 1;
continue;
+ case O(MONITOR,'t'): /* test */
+ test = 1;
+ continue;
/* now the general management options. Some are applicable
* to other modes. None have arguments.
*/
- case O(MANAGE,'a'):
- case O(CREATE,'a'):
- case O(BUILD,'a'):
- case O(ASSEMBLE,'a'): /* add a drive */
+ case O(GROW,'a'):
+ case O(MANAGE,'a'): /* add a drive */
devmode = 'a';
continue;
case O(MANAGE,'r'): /* remove a drive */
}
devmode = opt;
continue;
+ case O(MISC,'t'):
+ test = 1;
+ continue;
case O(MISC, 22):
if (devmode != 'E') {
* we check that here and open it.
*/
- if (mode==MANAGE || mode == BUILD || mode == CREATE || (mode == ASSEMBLE && ! scan)) {
+ if (mode==MANAGE || mode == BUILD || mode == CREATE || mode == GROW ||
+ (mode == ASSEMBLE && ! scan)) {
if (devs_found < 1) {
fprintf(stderr, Name ": an md device must be given in this mode\n");
exit(2);
}
- mdfd = open_mddev(devlist->devname);
+ if ((int)ident.super_minor == -2 && autof) {
+ fprintf(stderr, Name ": --super-minor=dev is incompatible with --auto\n");
+ exit(2);
+ }
+ mdfd = open_mddev(devlist->devname, autof);
if (mdfd < 0)
exit(1);
- if (ident.super_minor == -2) {
+ if ((int)ident.super_minor == -2) {
struct stat stb;
fstat(mdfd, &stb);
- ident.super_minor = MINOR(stb.st_rdev);
+ ident.super_minor = minor(stb.st_rdev);
}
}
break;
case ASSEMBLE:
if (devs_found == 1 && ident.uuid_set == 0 &&
- ident.super_minor == -1 && !scan ) {
+ ident.super_minor == UnSet && !scan ) {
/* Only a device has been given, so get details from config file */
mddev_ident_t array_ident = conf_get_ident(configfile, devlist->devname);
- mdfd = open_mddev(devlist->devname);
- if (mdfd < 0)
+ if (array_ident == NULL) {
+ fprintf(stderr, Name ": %s not identified in config file.\n",
+ devlist->devname);
rv |= 1;
- else {
- if (array_ident == NULL) {
- fprintf(stderr, Name ": %s not identified in config file.\n",
- devlist->devname);
+ } else {
+ mdfd = open_mddev(devlist->devname, array_ident->autof);
+ if (mdfd < 0)
rv |= 1;
- }
- else
+ else {
rv |= Assemble(devlist->devname, mdfd, array_ident, configfile,
NULL,
readonly, runstop, update, verbose, force);
+ close(mdfd);
+ }
}
} else if (!scan)
rv = Assemble(devlist->devname, mdfd, &ident, configfile,
}
for (dv = devlist ; dv ; dv=dv->next) {
mddev_ident_t array_ident = conf_get_ident(configfile, dv->devname);
- mdfd = open_mddev(dv->devname);
- if (mdfd < 0) {
- rv |= 1;
- continue;
- }
if (array_ident == NULL) {
fprintf(stderr, Name ": %s not identified in config file.\n",
dv->devname);
rv |= 1;
continue;
}
+ mdfd = open_mddev(dv->devname, array_ident->autof);
+ if (mdfd < 0) {
+ rv |= 1;
+ continue;
+ }
rv |= Assemble(dv->devname, mdfd, array_ident, configfile,
NULL,
readonly, runstop, update, verbose, force);
+ close(mdfd);
}
} else {
mddev_ident_t array_list = conf_get_ident(configfile, NULL);
} else
for (; array_list; array_list = array_list->next) {
mdu_array_info_t array;
- mdfd = open_mddev(array_list->devname);
+ mdfd = open_mddev(array_list->devname, array_list->autof);
if (mdfd < 0) {
rv |= 1;
continue;
}
break;
case BUILD:
- rv = Build(devlist->devname, mdfd, chunk, level, raiddisks, devlist->next);
+ rv = Build(devlist->devname, mdfd, chunk, level, layout, raiddisks, devlist->next, assume_clean);
break;
case CREATE:
- rv = Create(devlist->devname, mdfd, chunk, level, layout, size,
+ rv = Create(devlist->devname, mdfd, chunk, level, layout, size<0 ? 0 : size,
raiddisks, sparedisks,
devs_found-1, devlist->next, runstop, verbose, force);
break;
if (devlist == NULL) {
if ((devmode == 'S' ||devmode=='D') && scan) {
/* apply to all devices in /proc/mdstat */
- struct mdstat_ent *ms = mdstat_read();
+ struct mdstat_ent *ms = mdstat_read(0);
struct mdstat_ent *e;
for (e=ms ; e ; e=e->next) {
char *name = get_md_name(e->devnum);
continue;
}
if (devmode == 'D')
- rv |= Detail(name, !verbose);
+ rv |= Detail(name, !verbose, test);
else if (devmode=='S') {
- mdfd = open_mddev(name);
+ mdfd = open_mddev(name, 0);
if (mdfd >= 0)
rv |= Manage_runstop(name, mdfd, -1);
}
for (dv=devlist ; dv; dv=dv->next) {
switch(dv->disposition) {
case 'D':
- rv |= Detail(dv->devname, brief); continue;
+ rv |= Detail(dv->devname, brief, test); continue;
case 'K': /* Zero superblock */
rv |= Kill(dv->devname, force); continue;
case 'Q':
rv |= Query(dv->devname); continue;
}
- mdfd = open_mddev(dv->devname);
+ mdfd = open_mddev(dv->devname, 0);
if (mdfd>=0)
switch(dv->disposition) {
case 'R':
rv = 1;
break;
}
+ if (pidfile && !daemonise) {
+ fprintf(stderr, Name ": Cannot write a pid file when not in daemon mode\n");
+ rv = 1;
+ break;
+ }
rv= Monitor(devlist, mailaddr, program,
- delay?delay:60, daemonise, scan, oneshot, configfile);
+ delay?delay:60, daemonise, scan, oneshot, configfile, test, pidfile);
+ break;
+
+ case GROW:
+ if (devs_found > 1) {
+
+ /* must be '-a'. */
+ if (size >= 0 || raiddisks) {
+ fprintf(stderr, Name ": --size, --raiddisks, and --add are exclusing in --grow mode\n");
+ rv = 1;
+ break;
+ }
+ for (dv=devlist->next; dv ; dv=dv->next) {
+ rv = Grow_Add_device(devlist->devname, mdfd, dv->devname);
+ if (rv)
+ break;
+ }
+ } else if ((size >= 0) + (raiddisks != 0) + (layout != UnSet) > 1) {
+ fprintf(stderr, Name ": can change at most one of size, raiddisks, and layout\n");
+ rv = 1;
+ break;
+ } else if (layout != UnSet)
+ rv = Manage_reconfig(devlist->devname, mdfd, layout);
+ else if (size >= 0 || raiddisks)
+ rv = Manage_resize(devlist->devname, mdfd, size, raiddisks);
+ else
+ fprintf(stderr, Name ": no changes to --grow\n");
break;
}
exit(rv);
projects / thirdparty / mdadm.git / blobdiff