From: "Stefan G. Weichinger" <lists@xunil.at>
To: linux-raid@vger.kernel.org
Subject: Re: emergency call for help: raid5 fallen apart
Date: Wed, 24 Feb 2010 16:05:36 +0100 [thread overview]
Message-ID: <4B854040.5080603@xunil.at> (raw)
In-Reply-To: <4B853DB7.1060406@xunil.at>
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
next prev parent reply other threads:[~2010-02-24 15:05 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-24 14:54 emergency call for help: raid5 fallen apart Stefan G. Weichinger
2010-02-24 15:05 ` Stefan G. Weichinger [this message]
2010-02-24 15:22 ` Robin Hill
2010-02-24 15:32 ` Stefan G. Weichinger
2010-02-24 16:38 ` Stefan G. Weichinger
2010-02-24 16:53 ` Stefan G. Weichinger
2010-02-24 17:02 ` Stefan G. Weichinger
2010-02-25 8:05 ` Giovanni Tessore
2010-02-25 16:27 ` Stefan /*St0fF*/ Hübner
2010-02-25 16:45 ` John Robinson
2010-02-25 17:41 ` Dawning Sky
2010-02-25 18:31 ` John Robinson
2010-02-26 2:42 ` Michael Evans
2010-02-26 20:15 ` Bill Davidsen
2010-02-28 11:50 ` Stefan /*St0fF*/ Hübner
2010-02-28 12:52 ` Stefan /*St0fF*/ Hübner
2010-02-24 17:09 ` Robin Hill
2010-02-24 17:28 ` Stefan G. Weichinger
2010-02-24 17:35 ` Stefan G. Weichinger
2010-02-24 18:12 ` Robin Hill
2010-02-24 19:54 ` Stefan G. Weichinger
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