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Improve support for disabled disks. If disabled disk disconnected and then

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reconnected back, leave it as disconnected. If new disk inserted instead of
disabled, rebuild it and leave as enabled.
This commit is contained in:
mav 2013-01-13 14:30:37 +00:00
parent df2fc90f0e
commit 6157d3ce33
2 changed files with 23 additions and 21 deletions
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2
sys/geom/raid/g_raid.c
View File

@ -538,7 +538,7 @@ g_raid_report_disk_state(struct g_raid_disk *disk)
if (disk->d_consumer == NULL)
return;
if (disk->d_state == G_RAID_DISK_S_DISABLED) {
;
s = G_STATE_ACTIVE; /* XXX */
} else if (disk->d_state == G_RAID_DISK_S_FAILED ||
disk->d_state == G_RAID_DISK_S_STALE_FAILED) {
s = G_STATE_FAILED;

42
sys/geom/raid/md_intel.c
View File

@ -787,13 +787,9 @@ g_raid_md_intel_start_disk(struct g_raid_disk *disk)
disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial);
if (disk_pos < 0) {
G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
/* Disabled disk is useless for us. */
if (pd->pd_disk_meta.flags & INTEL_F_DISABLED) {
g_raid_change_disk_state(disk, G_RAID_DISK_S_DISABLED);
return (0);
}
/* Failed stale disk is useless for us. */
if (pd->pd_disk_meta.flags & INTEL_F_FAILED) {
if ((pd->pd_disk_meta.flags & INTEL_F_FAILED) &&
!(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) {
g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED);
return (0);
}
@ -884,10 +880,11 @@ g_raid_md_intel_start_disk(struct g_raid_disk *disk)
}
/* Welcome the new disk. */
if (resurrection)
g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
else if (meta->disk[disk_pos].flags & INTEL_F_DISABLED)
if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
!(pd->pd_disk_meta.flags & INTEL_F_SPARE))
g_raid_change_disk_state(disk, G_RAID_DISK_S_DISABLED);
else if (resurrection)
g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
else if (meta->disk[disk_pos].flags & INTEL_F_FAILED)
g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
else if (meta->disk[disk_pos].flags & INTEL_F_SPARE)
@ -910,14 +907,15 @@ g_raid_md_intel_start_disk(struct g_raid_disk *disk)
migr_global = 0;
}
if (resurrection) {
/* Stale disk, almost same as new. */
g_raid_change_subdisk_state(sd,
G_RAID_SUBDISK_S_NEW);
} else if (meta->disk[disk_pos].flags & INTEL_F_DISABLED) {
if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
!(pd->pd_disk_meta.flags & INTEL_F_SPARE)) {
/* Disabled disk, useless. */
g_raid_change_subdisk_state(sd,
G_RAID_SUBDISK_S_NONE);
} else if (resurrection) {
/* Stale disk, almost same as new. */
g_raid_change_subdisk_state(sd,
G_RAID_SUBDISK_S_NEW);
} else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) {
/* Failed disk, almost useless. */
g_raid_change_subdisk_state(sd,
@ -1021,7 +1019,8 @@ g_raid_md_intel_start_disk(struct g_raid_disk *disk)
/* Update status of our need for spare. */
if (mdi->mdio_started) {
mdi->mdio_incomplete =
(g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
(g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) <
meta->total_disks);
}
@ -1053,7 +1052,8 @@ g_raid_md_intel_refill(struct g_raid_softc *sc)
update = 0;
do {
/* Make sure we miss anything. */
na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED);
if (na == meta->total_disks)
break;
@ -1065,7 +1065,8 @@ g_raid_md_intel_refill(struct g_raid_softc *sc)
TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
if (disk->d_state == G_RAID_DISK_S_STALE) {
update += g_raid_md_intel_start_disk(disk);
if (disk->d_state == G_RAID_DISK_S_ACTIVE)
if (disk->d_state == G_RAID_DISK_S_ACTIVE ||
disk->d_state == G_RAID_DISK_S_DISABLED)
break;
}
}
@ -1089,8 +1090,8 @@ g_raid_md_intel_refill(struct g_raid_softc *sc)
}
/* Update status of our need for spare. */
mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
meta->total_disks);
mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < meta->total_disks);
/* Request retaste hoping to find spare. */
if (mdi->mdio_incomplete) {
@ -2242,7 +2243,8 @@ g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol,
pd->pd_disk_meta.flags = INTEL_F_FAILED |
INTEL_F_ASSIGNED | INTEL_F_DISABLED;
} else {
pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
if (!(pd->pd_disk_meta.flags & INTEL_F_DISABLED))
pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
if (pd->pd_disk_meta.id != 0xffffffff) {
pd->pd_disk_meta.id = 0xffffffff;
len = strlen(pd->pd_disk_meta.serial);