From: Konrad Rzepecki <krzepecki@dentonet.pl>
To: linux-raid@vger.kernel.org
Cc: NeilBrown <neilb@suse.de>
Subject: Re: Disk identity crisis on RAID10 recovery (3.1.0)
Date: Tue, 22 Nov 2011 13:22:36 +0100 [thread overview]
Message-ID: <4ECB940C.6010707@dentonet.pl> (raw)
In-Reply-To: <20111122221522.3f525fc6@notabene.brown>
W dniu 22.11.2011 12:15, NeilBrown pisze:
> You can probably get your data back... but really you should have
> asked for
> help as soon as strange things started happening!
Possibly, but I don't like to bother others when I don't need to. And in
the beginning
I didn't connect this behavior whit kernel but with some hardware disk
issues.
Moreover reporting bugs on list is hmm... inconvenient. Please, back
Bugzilla
online ASAP.
> If you have all important data backed up then just upgrade to 3.1.2
> and make
> the array again from scratch.
Probably this is best way...
> If you want to try to recover the array please report that output of
> "mdadm
> --examine" on all of the devices.
...but I paste output of this commands below. If some of system survive,
I can
make it up faster. Of course, if it isn't to complicated or take too much of
your time to describe it.
mdadm --examine /dev/sda2
/dev/sda2:
Magic : a92b4efc
Version : 0.90.00
UUID : 0f01ef9e:ab0117cf:3d186b3c:53958f34 (local to host
(none))
Creation Time : Wed Aug 17 09:34:04 2011
Raid Level : raid10
Used Dev Size : 1463946752 (1396.13 GiB 1499.08 GB)
Array Size : 5855787008 (5584.51 GiB 5996.33 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 1
Update Time : Tue Nov 22 11:43:58 2011
State : clean
Active Devices : 6
Working Devices : 7
Failed Devices : 2
Spare Devices : 1
Checksum : e8423abc - correct
Events : 155878
Layout : near=2
Chunk Size : 512K
Number Major Minor RaidDevice State
this 0 8 2 0 active sync /dev/sda2
0 0 8 2 0 active sync /dev/sda2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 50 3 active sync /dev/sdd2
4 4 8 66 4 active sync /dev/sde2
5 5 8 82 5 active sync /dev/sdf2
6 6 8 98 6 active sync /dev/sdg2
7 7 8 114 7 active sync /dev/sdh2
8 8 8 34 8 spare /dev/sdc2
sdb - is back, but this is new empty one.
mdadm --examine /dev/sdc2
/dev/sdc2:
Magic : a92b4efc
Version : 0.90.00
UUID : 0f01ef9e:ab0117cf:3d186b3c:53958f34 (local to host
(none))
Creation Time : Wed Aug 17 09:34:04 2011
Raid Level : raid10
Used Dev Size : 1463946752 (1396.13 GiB 1499.08 GB)
Array Size : 5855787008 (5584.51 GiB 5996.33 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 1
Update Time : Tue Nov 22 11:43:58 2011
State : clean
Active Devices : 6
Working Devices : 7
Failed Devices : 2
Spare Devices : 1
Checksum : e8423ae6 - correct
Events : 155878
Layout : near=2
Chunk Size : 512K
Number Major Minor RaidDevice State
this 8 8 34 8 spare /dev/sdc2
0 0 8 2 0 active sync /dev/sda2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 50 3 active sync /dev/sdd2
4 4 8 66 4 active sync /dev/sde2
5 5 8 82 5 active sync /dev/sdf2
6 6 8 98 6 active sync /dev/sdg2
7 7 8 114 7 active sync /dev/sdh2
8 8 8 34 8 spare /dev/sdc2
mdadm --examine /dev/sdd2
/dev/sdd2:
Magic : a92b4efc
Version : 0.90.00
UUID : 0f01ef9e:ab0117cf:3d186b3c:53958f34 (local to host
(none))
Creation Time : Wed Aug 17 09:34:04 2011
Raid Level : raid10
Used Dev Size : 1463946752 (1396.13 GiB 1499.08 GB)
Array Size : 5855787008 (5584.51 GiB 5996.33 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 1
Update Time : Tue Nov 22 11:43:58 2011
State : clean
Active Devices : 6
Working Devices : 7
Failed Devices : 2
Spare Devices : 1
Checksum : e8423af2 - correct
Events : 155878
Layout : near=2
Chunk Size : 512K
Number Major Minor RaidDevice State
this 3 8 50 3 active sync /dev/sdd2
0 0 8 2 0 active sync /dev/sda2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 50 3 active sync /dev/sdd2
4 4 8 66 4 active sync /dev/sde2
5 5 8 82 5 active sync /dev/sdf2
6 6 8 98 6 active sync /dev/sdg2
7 7 8 114 7 active sync /dev/sdh2
8 8 8 34 8 spare /dev/sdc2
mdadm --examine /dev/sde2
/dev/sde2:
Magic : a92b4efc
Version : 0.90.00
UUID : 0f01ef9e:ab0117cf:3d186b3c:53958f34 (local to host
(none))
Creation Time : Wed Aug 17 09:34:04 2011
Raid Level : raid10
Used Dev Size : 1463946752 (1396.13 GiB 1499.08 GB)
Array Size : 5855787008 (5584.51 GiB 5996.33 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 1
Update Time : Tue Nov 22 11:43:58 2011
State : clean
Active Devices : 6
Working Devices : 7
Failed Devices : 2
Spare Devices : 1
Checksum : e8423b04 - correct
Events : 155878
Layout : near=2
Chunk Size : 512K
Number Major Minor RaidDevice State
this 4 8 66 4 active sync /dev/sde2
0 0 8 2 0 active sync /dev/sda2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 50 3 active sync /dev/sdd2
4 4 8 66 4 active sync /dev/sde2
5 5 8 82 5 active sync /dev/sdf2
6 6 8 98 6 active sync /dev/sdg2
7 7 8 114 7 active sync /dev/sdh2
8 8 8 34 8 spare /dev/sdc2
mdadm --examine /dev/sdf2
/dev/sdf2:
Magic : a92b4efc
Version : 0.90.00
UUID : 0f01ef9e:ab0117cf:3d186b3c:53958f34 (local to host
(none))
Creation Time : Wed Aug 17 09:34:04 2011
Raid Level : raid10
Used Dev Size : 1463946752 (1396.13 GiB 1499.08 GB)
Array Size : 5855787008 (5584.51 GiB 5996.33 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 1
Update Time : Tue Nov 22 11:43:58 2011
State : clean
Active Devices : 6
Working Devices : 7
Failed Devices : 2
Spare Devices : 1
Checksum : e8423b16 - correct
Events : 155878
Layout : near=2
Chunk Size : 512K
Number Major Minor RaidDevice State
this 5 8 82 5 active sync /dev/sdf2
0 0 8 2 0 active sync /dev/sda2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 50 3 active sync /dev/sdd2
4 4 8 66 4 active sync /dev/sde2
5 5 8 82 5 active sync /dev/sdf2
6 6 8 98 6 active sync /dev/sdg2
7 7 8 114 7 active sync /dev/sdh2
8 8 8 34 8 spare /dev/sdc2
mdadm --examine /dev/sdg2
/dev/sdg2:
Magic : a92b4efc
Version : 0.90.00
UUID : 0f01ef9e:ab0117cf:3d186b3c:53958f34 (local to host
(none))
Creation Time : Wed Aug 17 09:34:04 2011
Raid Level : raid10
Used Dev Size : 1463946752 (1396.13 GiB 1499.08 GB)
Array Size : 5855787008 (5584.51 GiB 5996.33 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 1
Update Time : Tue Nov 22 11:43:58 2011
State : clean
Active Devices : 6
Working Devices : 7
Failed Devices : 2
Spare Devices : 1
Checksum : e8423b28 - correct
Events : 155878
Layout : near=2
Chunk Size : 512K
Number Major Minor RaidDevice State
this 6 8 98 6 active sync /dev/sdg2
0 0 8 2 0 active sync /dev/sda2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 50 3 active sync /dev/sdd2
4 4 8 66 4 active sync /dev/sde2
5 5 8 82 5 active sync /dev/sdf2
6 6 8 98 6 active sync /dev/sdg2
7 7 8 114 7 active sync /dev/sdh2
8 8 8 34 8 spare /dev/sdc2
mdadm --examine /dev/sdh2
/dev/sdh2:
Magic : a92b4efc
Version : 0.90.00
UUID : 0f01ef9e:ab0117cf:3d186b3c:53958f34 (local to host
(none))
Creation Time : Wed Aug 17 09:34:04 2011
Raid Level : raid10
Used Dev Size : 1463946752 (1396.13 GiB 1499.08 GB)
Array Size : 5855787008 (5584.51 GiB 5996.33 GB)
Raid Devices : 8
Total Devices : 7
Preferred Minor : 1
Update Time : Tue Nov 22 11:43:58 2011
State : clean
Active Devices : 6
Working Devices : 7
Failed Devices : 2
Spare Devices : 1
Checksum : e8423b3a - correct
Events : 155878
Layout : near=2
Chunk Size : 512K
Number Major Minor RaidDevice State
this 7 8 114 7 active sync /dev/sdh2
0 0 8 2 0 active sync /dev/sda2
1 1 0 0 1 faulty removed
2 2 0 0 2 faulty removed
3 3 8 50 3 active sync /dev/sdd2
4 4 8 66 4 active sync /dev/sde2
5 5 8 82 5 active sync /dev/sdf2
6 6 8 98 6 active sync /dev/sdg2
7 7 8 114 7 active sync /dev/sdh2
8 8 8 34 8 spare /dev/sdc2
--
Konrad Rzepecki
next prev parent reply other threads:[~2011-11-22 12:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-22 10:15 Disk identity crisis on RAID10 recovery (3.1.0) Konrad Rzepecki
2011-11-22 11:15 ` NeilBrown
2011-11-22 12:22 ` Konrad Rzepecki [this message]
2011-11-22 14:50 ` Konrad Rzepecki
2011-11-22 20:00 ` NeilBrown
2011-11-23 7:25 ` [OT] " Konrad Rzepecki
2011-11-23 7:44 ` David Brown
2011-11-23 7:49 ` NeilBrown
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