Package: mdadm
Version: 2.5.6-9
I don't know whether this is a bug, but here's what happened.
I had two mirrors operational /dev/hd[ac]1 and /dev/hd[ac]3 on md0 and md1,
respectively.
On Apr 23, /dev/hdc started to complain about bad sectors. I first marked it as faulty,
and then removed it from the array with mdadm. I didn't have physical access to the machine,
so I didn't remove /dev/hdc. On Apr 27, the owner of the machine rebooted the machine with ssh -> "reboot"
It is just now that I've discovered that ever since the reboot, mdadm
reassembled the bad hdc[13]
partitions as md?, instead of using the healthy hda[13]!
Here is what I see now:
cat /proc/mdstat:
Personalities : [raid1]
md1 : active raid1 hdc3[1]
29294400 blocks [2/1] [_U]
md0 : active raid1 hdc1[0]
4883648 blocks [2/1] [U_]
unused devices: <none>
mdadm -D /dev/md0
/dev/md0:
Version : 00.90.03
Creation Time : Tue Jan 1 00:49:59 2002
Raid Level : raid1
Array Size : 4883648 (4.66 GiB 5.00 GB)
Device Size : 4883648 (4.66 GiB 5.00 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 0
Persistence : Superblock is persistent
Update Time : Sun May 6 23:19:41 2007
State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
UUID : 712b8608:01ac77cf:8ac60fa3:f9a08b86
Events : 0.160454
Number Major Minor RaidDevice State
0 22 1 0 active sync /dev/hdc1
1 0 0 1 removed
mdadm --examine /dev/hda1
/dev/hda1:
Magic : a92b4efc
Version : 00.90.01
UUID : 712b8608:01ac77cf:8ac60fa3:f9a08b86
Creation Time : Tue Jan 1 00:49:59 2002
Raid Level : raid1
Device Size : 4883648 (4.66 GiB 5.00 GB)
Array Size : 4883648 (4.66 GiB 5.00 GB)
Raid Devices : 1
Total Devices : 1
Preferred Minor : 0
Update Time : Fri Apr 27 20:58:51 2007
State : clean
Active Devices : 1
Working Devices : 1
Failed Devices : 0
Spare Devices : 0
Checksum : 2319a8de - correct
Events : 0.64780
Number Major Minor RaidDevice State
this 0 3 1 0 active sync /dev/hda1
0 0 3 1 0 active sync /dev/hda1
mdadm --examine /dev/hdc1
/dev/hdc1:
Magic : a92b4efc
Version : 00.90.01
UUID : 712b8608:01ac77cf:8ac60fa3:f9a08b86
Creation Time : Tue Jan 1 00:49:59 2002
Raid Level : raid1
Device Size : 4883648 (4.66 GiB 5.00 GB)
Array Size : 4883648 (4.66 GiB 5.00 GB)
Raid Devices : 2
Total Devices : 1
Preferred Minor : 0
Update Time : Sun May 6 22:33:38 2007
State : clean
Active Devices : 1
Working Devices : 1
Failed Devices : 1
Spare Devices : 0
Checksum : 232883dc - correct
Events : 0.159894
Number Major Minor RaidDevice State
this 0 22 1 0 active sync /dev/hdc1
0 0 22 1 0 active sync /dev/hdc1
1 1 0 0 1 faulty removed
Is this thing OK? I don't have the opportunity to experiment with this machine, and I had to fix it in the meanwhile, so
I cannot give you further debug information on the issue.
Cheers,
Viktor
--
To UNSUBSCRIBE, email to [EMAIL PROTECTED]
with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
