Hallo,
I'm having some trouble with an array I have that has become degraded.
I have an array with this array state:
md101 : active raid1 sdf1[0] sdb1[2](S)
1953511936 blocks [2/1] [U_]
mdadm --detail says:
/dev/md101:
Version : 0.90
Creation Time : Thu Jan 13 14:34:27 2011
Raid Level : raid1
Array Size : 1953511936 (1863.01 GiB 2000.40 GB)
Used Dev Size : 1953511936 (1863.01 GiB 2000.40 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 101
Persistence : Superblock is persistent
Update Time : Fri Nov 23 03:23:04 2012
State : clean, degraded
Active Devices : 1
Working Devices : 2
Failed Devices : 0
Spare Devices : 1
UUID : 43e92a79:90295495:0a76e71e:56c99031 (local to host
barney)
Events : 0.2127
Number Major Minor RaidDevice State
0 8 81 0 active sync /dev/sdf1
1 0 0 1 removed
2 8 17 - spare /dev/sdb1
If I attempt to force the spare to become active it begins to recover:
$ sudo mdadm -S /dev/md101
mdadm: stopped /dev/md101
$ sudo mdadm --assemble --force --no-degraded /dev/md101 /dev/sdf1 /dev/sdb1
mdadm: /dev/md101 has been started with 1 drive (out of 2) and 1 spare.
$ cat /proc/mdstat
md101 : active raid1 sdf1[0] sdb1[2]
1953511936 blocks [2/1] [U_]
[>....................] recovery = 0.0% (541440/1953511936)
finish=420.8min speed=77348K/sec
This runs for the allotted time but returns to the state of spare.
Neither disk partition report errors:
$ cat /sys/block/md101/md/dev-sdf1/errors
0
$ cat /sys/block/md101/md/dev-sdb1/errors
0
Are there mdadm logs to find out why this is not recovering properly?
How otherwise do I debug this?
Cheers,
Tudor.
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
