}
int Assemble(struct supertype *st, char *mddev, int mdfd,
- mddev_ident_t ident, char *conffile,
+ mddev_ident_t ident,
mddev_dev_t devlist, char *backup_file,
int readonly, int runstop,
char *update, char *homehost,
* START_ARRAY
*
*/
+ int clean = 0;
int must_close = 0;
int old_linux = 0;
int vers = 0; /* Keep gcc quite - it really is initialised */
int chosen_drive;
int change = 0;
int inargv = 0;
+ int bitmap_done;
int start_partial_ok = (runstop >= 0) && (force || devlist==NULL || mdfd < 0);
unsigned int num_devs;
mddev_dev_t tmpdev;
return 1;
}
if (devlist == NULL)
- devlist = conf_get_devs(conffile);
+ devlist = conf_get_devs();
else if (mdfd >= 0)
inargv = 1;
+ try_again:
+
tmpdev = devlist; num_devs = 0;
while (tmpdev) {
if (tmpdev->used)
continue;
}
- if (super) {
- free(super);
- super = NULL;
- }
-
dfd = dev_open(devname, O_RDONLY|O_EXCL);
if (dfd < 0) {
if ((inargv && verbose >= 0) || verbose > 0)
fprintf( stderr, Name ": no RAID superblock on %s\n",
devname);
} else {
- tst->ss->getinfo_super(&info, super);
+ tst->ss->getinfo_super(tst, &info, super);
}
if (dfd >= 0) close(dfd);
if ((inargv && verbose >= 0) || verbose > 0)
fprintf(stderr, Name ": %s has wrong uuid.\n",
devname);
- continue;
+ goto loop;
}
if (ident->name[0] && (!update || strcmp(update, "name")!= 0) &&
(!super || name_matches(info.name, ident->name, homehost)==0)) {
if ((inargv && verbose >= 0) || verbose > 0)
fprintf(stderr, Name ": %s has wrong name.\n",
devname);
- continue;
+ goto loop;
}
if (ident->super_minor != UnSet &&
(!super || ident->super_minor != info.array.md_minor)) {
if ((inargv && verbose >= 0) || verbose > 0)
fprintf(stderr, Name ": %s has wrong super-minor.\n",
devname);
- continue;
+ goto loop;
}
if (ident->level != UnSet &&
(!super|| ident->level != info.array.level)) {
if ((inargv && verbose >= 0) || verbose > 0)
fprintf(stderr, Name ": %s has wrong raid level.\n",
devname);
- continue;
+ goto loop;
}
if (ident->raid_disks != UnSet &&
(!super || ident->raid_disks!= info.array.raid_disks)) {
if ((inargv && verbose >= 0) || verbose > 0)
fprintf(stderr, Name ": %s requires wrong number of drives.\n",
devname);
- continue;
+ goto loop;
}
if (mdfd < 0) {
if (tst == NULL || super == NULL)
continue;
if (update == NULL &&
- tst->ss->match_home(super, homehost)==0) {
+ tst->ss->match_home(tst, super, homehost)==0) {
if ((inargv && verbose >= 0) || verbose > 0)
fprintf(stderr, Name ": %s is not built for host %s.\n",
devname, homehost);
/* Auto-assemble, and this is not a usable host */
/* if update != NULL, we are updating the host
* name... */
- continue;
+ goto loop;
}
}
/* If we are this far, then we are nearly commited to this device.
if (!super) {
fprintf(stderr, Name ": %s has no superblock - assembly aborted\n",
devname);
- free(first_super);
+ st->ss->free_super(st, first_super);
return 1;
}
* for now.
*/
if (mdfd < 0)
- continue;
+ goto loop;
if (homehost) {
- int first = st->ss->match_home(first_super, homehost);
- int last = tst->ss->match_home(super, homehost);
+ int first = st->ss->match_home(st, first_super,
+ homehost);
+ int last = tst->ss->match_home(tst, super,
+ homehost);
if (first+last == 1) {
/* We can do something */
if (first) {/* just ignore this one */
if ((inargv && verbose >= 0) || verbose > 0)
fprintf(stderr, Name ": %s misses out due to wrong homehost\n",
devname);
- continue;
+ goto loop;
} else { /* reject all those sofar */
mddev_dev_t td;
if ((inargv && verbose >= 0) || verbose > 0)
if (td->used == 1)
td->used = 0;
tmpdev->used = 1;
- continue;
+ goto loop;
}
}
}
fprintf(stderr, Name ": superblock on %s doesn't match others - assembly aborted\n",
devname);
- free(super);
- free(first_super);
+ tst->ss->free_super(tst, super);
+ st->ss->free_super(st, first_super);
return 1;
}
tmpdev->used = 1;
+
+ loop:
+ if (super)
+ tst->ss->free_super(tst, super);
+ super = NULL;
}
if (mdfd < 0) {
if (!first_super) {
return 2;
}
- st->ss->getinfo_super(&info, first_super);
+ st->ss->getinfo_super(st, &info, first_super);
c = strchr(info.name, ':');
if (c) c++; else c= info.name;
if (isdigit(*c) && ((ident->autof & 7)==4 || (ident->autof&7)==6))
else
asprintf(&mddev, "/dev/md/%s", c);
mdfd = open_mddev(mddev, ident->autof);
- if (mdfd < 0)
- return mdfd;
+ if (mdfd < 0) {
+ st->ss->free_super(st, first_super);
+ free(devices);
+ first_super = NULL;
+ goto try_again;
+ }
vers = md_get_version(mdfd);
if (ioctl(mdfd, GET_ARRAY_INFO, &inf)==0) {
+ for (tmpdev = devlist ;
+ tmpdev && tmpdev->used != 1;
+ tmpdev = tmpdev->next)
+ ;
fprintf(stderr, Name ": %s already active, cannot restart it!\n", mddev);
+ if (tmpdev)
+ fprintf(stderr, Name ": %s needed for %s...\n",
+ mddev, tmpdev->devname);
close(mdfd);
- free(first_super);
- return 1;
+ mdfd = -1;
+ st->ss->free_super(st, first_super);
+ free(devices);
+ first_super = NULL;
+ goto try_again;
}
must_close = 1;
}
/* Ok, no bad inconsistancy, we can try updating etc */
+ bitmap_done = 0;
for (tmpdev = devlist; tmpdev; tmpdev=tmpdev->next) if (tmpdev->used == 1) {
char *devname = tmpdev->devname;
struct stat stb;
}
dfd = dev_open(devname, O_RDWR|O_EXCL);
- if (super) {
- free(super);
- super = NULL;
- }
+ remove_partitions(dfd);
st->ss->load_super(st, dfd, &super, NULL);
- st->ss->getinfo_super(&info, super);
+ st->ss->getinfo_super(st, &info, super);
memcpy(info.uuid, ident->uuid, 16);
strcpy(info.name, ident->name);
info.array.md_minor = minor(stb2.st_rdev);
- st->ss->update_super(&info, super, update, devname, verbose,
+ st->ss->update_super(st, &info, super, update,
+ devname, verbose,
ident->uuid_set, homehost);
if (strcmp(update, "uuid")==0 &&
!ident->uuid_set) {
close(dfd);
if (strcmp(update, "uuid")==0 &&
- ident->bitmap_fd)
- if (bitmap_update_uuid(ident->bitmap_fd, info.uuid) != 0)
- fprintf(stderr, Name ": Could not update uuid on %s.\n",
- devname);
+ ident->bitmap_fd >= 0 && !bitmap_done) {
+ if (bitmap_update_uuid(ident->bitmap_fd, info.uuid, st->ss->swapuuid) != 0)
+ fprintf(stderr, Name ": Could not update uuid on external bitmap.\n");
+ else
+ bitmap_done = 1;
+ }
} else
#endif
{
int dfd;
dfd = dev_open(devname, O_RDWR|O_EXCL);
- if (super) {
- free(super);
- super = NULL;
- }
+ remove_partitions(dfd);
st->ss->load_super(st, dfd, &super, NULL);
- st->ss->getinfo_super(&info, super);
+ st->ss->getinfo_super(st, &info, super);
close(dfd);
}
if (nextspare < info.array.raid_disks)
nextspare = info.array.raid_disks;
i = nextspare++;
+ } else {
+ if (i >= info.array.raid_disks &&
+ i >= nextspare)
+ nextspare = i+1;
}
if (i < 10000) {
if (i >= bestcnt) {
" to have very similar superblocks.\n"
" If they are really different, "
"please --zero the superblock on one\n"
- " If they are the same, please remove "
- "one from the list.\n",
- devices[best[i]].devname, devname);
+ " If they are the same or overlap,"
+ " please remove one from %s.\n",
+ devices[best[i]].devname, devname,
+ inargv ? "the list" :
+ "the\n DEVICE list in mdadm.conf"
+ );
if (must_close) close(mdfd);
return 1;
}
best[i] = devcnt;
}
devcnt++;
- }
- if (super)
- free(super);
- super = NULL;
+ if (super)
+ st->ss->free_super(st, super);
+ super = NULL;
+ }
if (update && strcmp(update, "byteorder")==0)
st->minor_version = 90;
if (devcnt == 0) {
fprintf(stderr, Name ": no devices found for %s\n",
mddev);
- free(first_super);
+ st->ss->free_super(st, first_super);
if (must_close) close(mdfd);
return 1;
}
- st->ss->getinfo_super(&info, first_super);
+ st->ss->getinfo_super(st, &info, first_super);
+ clean = info.array.state & 1;
/* now we have some devices that might be suitable.
* I wonder how many
}
}
while (force && !enough(info.array.level, info.array.raid_disks,
- info.array.layout,
+ info.array.layout, 1,
avail, okcnt)) {
/* Choose the newest best drive which is
* not up-to-date, update the superblock
* and add it.
*/
int fd;
+ long long current_events;
chosen_drive = -1;
for (i=0; i<info.array.raid_disks && i < bestcnt; i++) {
int j = best[i];
}
if (chosen_drive < 0)
break;
+ current_events = devices[chosen_drive].events;
+ add_another:
if (verbose >= 0)
fprintf(stderr, Name ": forcing event count in %s(%d) from %d upto %d\n",
devices[chosen_drive].devname, devices[chosen_drive].raid_disk,
continue;
}
info.events = devices[most_recent].events;
- st->ss->update_super(&info, super, "force", devices[chosen_drive].devname, verbose, 0, NULL);
+ st->ss->update_super(st, &info, super, "force-one",
+ devices[chosen_drive].devname, verbose,
+ 0, NULL);
if (st->ss->store_super(st, fd, super)) {
close(fd);
fprintf(stderr, Name ": Could not re-write superblock on %s\n",
devices[chosen_drive].devname);
devices[chosen_drive].events = 0;
- free(super);
+ st->ss->free_super(st, super);
continue;
}
close(fd);
devices[chosen_drive].uptodate = 1;
avail[chosen_drive] = 1;
okcnt++;
- free(super);
+ st->ss->free_super(st, super);
+
+ /* If there are any other drives of the same vintage,
+ * add them in as well. We can't lose and we might gain
+ */
+ for (i=0; i<info.array.raid_disks && i < bestcnt ; i++) {
+ int j = best[i];
+ if (j >= 0 &&
+ !devices[j].uptodate &&
+ devices[j].events > 0 &&
+ devices[j].events == current_events) {
+ chosen_drive = j;
+ goto add_another;
+ }
+ }
}
/* Now we want to look at the superblock which the kernel will base things on
if (must_close) close(mdfd);
return 1;
}
- st->ss->getinfo_super(&info, super);
+ st->ss->getinfo_super(st, &info, super);
for (i=0; i<bestcnt; i++) {
int j = best[i];
unsigned int desired_state;
info.disk.state = desired_state;
if (devices[j].uptodate &&
- st->ss->update_super(&info, super, "assemble", NULL, verbose, 0, NULL)) {
+ st->ss->update_super(st, &info, super, "assemble", NULL,
+ verbose, 0, NULL)) {
if (force) {
if (verbose >= 0)
fprintf(stderr, Name ": "
}
#endif
}
- if (force && okcnt == info.array.raid_disks-1) {
- /* FIXME check event count */
- change += st->ss->update_super(&info, super, "force",
- devices[chosen_drive].devname, verbose, 0, NULL);
+ if (force && !clean &&
+ !enough(info.array.level, info.array.raid_disks,
+ info.array.layout, clean,
+ avail, okcnt)) {
+ change += st->ss->update_super(st, &info, super, "force-array",
+ devices[chosen_drive].devname, verbose,
+ 0, NULL);
+ clean = 1;
}
if (change) {
fprintf(stderr, Name ": no uptodate device for slot %d of %s\n",
i, mddev);
}
-
+
if (runstop == 1 ||
(runstop <= 0 &&
- ( enough(info.array.level, info.array.raid_disks, info.array.layout, avail, okcnt) &&
+ ( enough(info.array.level, info.array.raid_disks,
+ info.array.layout, clean, avail, okcnt) &&
(okcnt >= req_cnt || start_partial_ok)
))) {
if (ioctl(mdfd, RUN_ARRAY, NULL)==0) {
while (usecs < 1000) {
mdfd = open(mddev, O_RDONLY);
if (mdfd >= 0) {
- unsigned long size;
- if (ioctl(mdfd, BLKGETSIZE, &size) == 0 &&
+ unsigned long long size;
+ if (get_dev_size(mdfd, NULL, &size) &&
size > 0)
break;
close(mdfd);
}
fprintf(stderr, Name ": failed to RUN_ARRAY %s: %s\n",
mddev, strerror(errno));
+
+ if (!enough(info.array.level, info.array.raid_disks,
+ info.array.layout, 1, avail, okcnt))
+ fprintf(stderr, Name ": Not enough devices to "
+ "start the array.\n");
+ else if (!enough(info.array.level,
+ info.array.raid_disks,
+ info.array.layout, clean,
+ avail, okcnt))
+ fprintf(stderr, Name ": Not enough devices to "
+ "start the array while not clean "
+ "- consider --force.\n");
+
if (must_close) close(mdfd);
return 1;
}
if (must_close) close(mdfd);
return 0;
}
- if (verbose >= 0) {
+ if (verbose >= -1) {
fprintf(stderr, Name ": %s assembled from %d drive%s", mddev, okcnt, okcnt==1?"":"s");
if (sparecnt)
fprintf(stderr, " and %d spare%s", sparecnt, sparecnt==1?"":"s");
- if (!enough(info.array.level, info.array.raid_disks, info.array.layout, avail, okcnt))
+ if (!enough(info.array.level, info.array.raid_disks,
+ info.array.layout, 1, avail, okcnt))
fprintf(stderr, " - not enough to start the array.\n");
+ else if (!enough(info.array.level,
+ info.array.raid_disks,
+ info.array.layout, clean,
+ avail, okcnt))
+ fprintf(stderr, " - not enough to start the "
+ "array while not clean - consider "
+ "--force.\n");
else {
if (req_cnt == info.array.raid_disks)
fprintf(stderr, " - need all %d to start it", req_cnt);
fprintf(stderr, Name ": Cannot start array: %s\n",
strerror(errno));
}
-
+
}
if (must_close) close(mdfd);
return 0;