I also sent this one to the linux-raid-ml, I am in trouble:
Am 24.02.2010 15:54, schrieb Stefan G. Weichinger:
> What to try?
>
> This is a crucial server and I feel a lot of pressure.
> Rebuilding that raid would mean a lot of restore-work etc.
> So I would really appreciate a goo advice here.
Followup:
--examine shows different statii for the four partitions:
server-gentoo ~ # mdadm --examine /dev/sda4
/dev/sda4:
Magic : a92b4efc
Version : 00.90.00
UUID : d4b0e9c1:067357ce:2569337e:e9af8bed
Creation Time : Tue Aug 5 14:14:16 2008
Raid Level : raid5
Used Dev Size : 145910272 (139.15 GiB 149.41 GB)
Array Size : 291820544 (278.30 GiB 298.82 GB)
Raid Devices : 3
Total Devices : 4
Preferred Minor : 4
Update Time : Wed Feb 24 15:33:37 2010
State : active
Active Devices : 2
Working Devices : 3
Failed Devices : 1
Spare Devices : 1
Checksum : 3039381e - correct
Events : 0.13
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 0 8 4 0 active sync /dev/sda4
0 0 8 4 0 active sync /dev/sda4
1 1 8 20 1 active sync /dev/sdb4
2 2 0 0 2 faulty removed
3 3 8 52 3 spare /dev/sdd4
server-gentoo ~ # mdadm --examine /dev/sdb4
/dev/sdb4:
Magic : a92b4efc
Version : 00.90.00
UUID : d4b0e9c1:067357ce:2569337e:e9af8bed
Creation Time : Tue Aug 5 14:14:16 2008
Raid Level : raid5
Used Dev Size : 145910272 (139.15 GiB 149.41 GB)
Array Size : 291820544 (278.30 GiB 298.82 GB)
Raid Devices : 3
Total Devices : 4
Preferred Minor : 4
Update Time : Wed Feb 24 15:37:05 2010
State : clean
Active Devices : 1
Working Devices : 2
Failed Devices : 1
Spare Devices : 1
Checksum : 3039393f - correct
Events : 0.32
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 1 8 20 1 active sync /dev/sdb4
0 0 0 0 0 removed
1 1 8 20 1 active sync /dev/sdb4
2 2 0 0 2 faulty removed
3 3 8 52 3 spare /dev/sdd4
server-gentoo ~ # mdadm --examine /dev/sdc4
/dev/sdc4:
Magic : a92b4efc
Version : 00.90.00
UUID : d4b0e9c1:067357ce:2569337e:e9af8bed
Creation Time : Tue Aug 5 14:14:16 2008
Raid Level : raid5
Used Dev Size : 145910272 (139.15 GiB 149.41 GB)
Array Size : 291820544 (278.30 GiB 298.82 GB)
Raid Devices : 3
Total Devices : 4
Preferred Minor : 4
Update Time : Wed Feb 24 15:33:28 2010
State : clean
Active Devices : 3
Working Devices : 4
Failed Devices : 0
Spare Devices : 1
Checksum : 30393836 - correct
Events : 0.10
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 2 8 36 2 active sync /dev/sdc4
0 0 8 4 0 active sync /dev/sda4
1 1 8 20 1 active sync /dev/sdb4
2 2 8 36 2 active sync /dev/sdc4
3 3 8 52 3 spare /dev/sdd4
server-gentoo ~ # mdadm --examine /dev/sdd4
/dev/sdd4:
Magic : a92b4efc
Version : 00.90.00
UUID : d4b0e9c1:067357ce:2569337e:e9af8bed
Creation Time : Tue Aug 5 14:14:16 2008
Raid Level : raid5
Used Dev Size : 145910272 (139.15 GiB 149.41 GB)
Array Size : 291820544 (278.30 GiB 298.82 GB)
Raid Devices : 3
Total Devices : 4
Preferred Minor : 4
Update Time : Wed Feb 24 15:37:05 2010
State : clean
Active Devices : 1
Working Devices : 2
Failed Devices : 1
Spare Devices : 1
Checksum : 3039395d - correct
Events : 0.32
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 3 8 52 3 spare /dev/sdd4
0 0 0 0 0 removed
1 1 8 20 1 active sync /dev/sdb4
2 2 0 0 2 faulty removed
3 3 8 52 3 spare /dev/sdd4
---- Does this info help?
Thanks, Stefan
