summaryrefslogtreecommitdiff
path: root/Incremental.c
diff options
context:
space:
mode:
Diffstat (limited to 'Incremental.c')
-rw-r--r--Incremental.c32
1 files changed, 27 insertions, 5 deletions
diff --git a/Incremental.c b/Incremental.c
index 41876b9e..24fd8276 100644
--- a/Incremental.c
+++ b/Incremental.c
@@ -104,6 +104,7 @@ int Incremental(struct mddev_dev *devlist, struct context *c,
struct map_ent target_array;
int have_target;
char *devname = devlist->devname;
+ int journal_device_missing = 0;
struct createinfo *ci = conf_get_create_info();
@@ -312,6 +313,12 @@ int Incremental(struct mddev_dev *devlist, struct context *c,
if (mdfd < 0) {
+ /* Skip the clustered ones. This should be started by
+ * clustering resource agents
+ */
+ if (info.array.state & (1 << MD_SB_CLUSTERED))
+ goto out;
+
/* Couldn't find an existing array, maybe make a new one */
mdfd = create_mddev(match ? match->devname : NULL,
name_to_use, c->autof, trustworthy, chosen_name);
@@ -437,6 +444,10 @@ int Incremental(struct mddev_dev *devlist, struct context *c,
/* add disk needs to know about containers */
if (st->ss->external)
sra->array.level = LEVEL_CONTAINER;
+
+ if (info.array.state & (1 << MD_SB_CLUSTERED))
+ info.disk.state |= (1 << MD_DISK_CLUSTER_ADD);
+
err = add_disk(mdfd, st, sra, &info);
if (err < 0 && errno == EBUSY) {
/* could be another device present with the same
@@ -514,6 +525,9 @@ int Incremental(struct mddev_dev *devlist, struct context *c,
sra = sysfs_read(mdfd, NULL, (GET_DEVS | GET_STATE |
GET_OFFSET | GET_SIZE));
active_disks = count_active(st, sra, mdfd, &avail, &info);
+
+ journal_device_missing = (info.journal_device_required) && (info.journal_clean == 0);
+
if (enough(info.array.level, info.array.raid_disks,
info.array.layout, info.array.state & 1,
avail) == 0) {
@@ -543,10 +557,12 @@ int Incremental(struct mddev_dev *devlist, struct context *c,
}
map_unlock(&map);
- if (c->runstop > 0 || active_disks >= info.array.working_disks) {
+ if (c->runstop > 0 || (!journal_device_missing && active_disks >= info.array.working_disks)) {
struct mdinfo *dsk;
/* Let's try to start it */
+ if (journal_device_missing)
+ pr_err("Trying to run with missing journal device\n");
if (info.reshape_active && !(info.reshape_active & RESHAPE_NO_BACKUP)) {
pr_err("%s: This array is being reshaped and cannot be started\n",
chosen_name);
@@ -613,6 +629,8 @@ int Incremental(struct mddev_dev *devlist, struct context *c,
} else {
if (c->export) {
printf("MD_STARTED=unsafe\n");
+ } else if (journal_device_missing) {
+ pr_err("Journal device is missing, not safe to start yet.\n");
} else if (c->verbose >= 0)
pr_err("%s attached to %s, not enough to start safely.\n",
devname, chosen_name);
@@ -649,7 +667,7 @@ static void find_reject(int mdfd, struct supertype *st, struct mdinfo *sra,
* without thinking more */
for (d = sra->devs; d ; d = d->next) {
- char dn[10];
+ char dn[24]; // 2*11 bytes for ints (including sign) + colon + null byte
int dfd;
struct mdinfo info;
sprintf(dn, "%d:%d", d->disk.major, d->disk.minor);
@@ -713,8 +731,11 @@ static int count_active(struct supertype *st, struct mdinfo *sra,
close(dfd);
if (ok != 0)
continue;
+
info.array.raid_disks = raid_disks;
st->ss->getinfo_super(st, &info, devmap + raid_disks * devnum);
+ if (info.disk.raid_disk == MD_DISK_ROLE_JOURNAL)
+ bestinfo->journal_clean = 1;
if (!avail) {
raid_disks = info.array.raid_disks;
avail = xcalloc(raid_disks, 1);
@@ -764,6 +785,7 @@ static int count_active(struct supertype *st, struct mdinfo *sra,
replcnt++;
st->ss->free_super(st);
}
+
if (!avail)
return 0;
/* We need to reject any device that thinks the best device is
@@ -1012,12 +1034,12 @@ static int array_try_spare(char *devname, int *dfdp, struct dev_policy *pol,
int mdfd = open_dev(chosen->sys_name);
if (mdfd >= 0) {
struct mddev_dev devlist;
- char devname[20];
+ char chosen_devname[24]; // 2*11 for int (including signs) + colon + null
devlist.next = NULL;
devlist.used = 0;
devlist.writemostly = 0;
- devlist.devname = devname;
- sprintf(devname, "%d:%d", major(stb.st_rdev),
+ devlist.devname = chosen_devname;
+ sprintf(chosen_devname, "%d:%d", major(stb.st_rdev),
minor(stb.st_rdev));
devlist.disposition = 'a';
close(dfd);