From: Sebastian Reichel <elektranox@gmail.com>
To: Neil Brown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: power outage while raid5->raid6 was in progress
Date: Thu, 8 Jul 2010 01:13:16 +0200 [thread overview]
Message-ID: <20100707231316.GA6496@earth.universe> (raw)
In-Reply-To: <20100708084450.7abb19d8@notabene.brown>
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On Thu, Jul 08, 2010 at 08:44:50AM +1000, Neil Brown wrote:
> On Wed, 7 Jul 2010 22:41:10 +0200
> Sebastian Reichel <elektranox@gmail.com> wrote:
>
> > Hi,
> >
> > I have some problems with my raid. I tried updating from 5 disks raid5 to 8 disks
> > raid6 as described on http://neil.brown.name/blog/20090817000931#2. The command I
> > used was: mdadm --grow /dev/md0 --level=6 --raid-disk=8
> >
> > While the rebuild was in progress my system hung, so I had to force power down it.
> > After rebooting the system I reassembled the raid. You can see the resulting mess
> > below. How can I recover from this state?
>
> Please report the output of
>
> mdadm -E /dev/sd[efghijkl]1
>
> then I'll see what can be done.
thank you for having a look at it :)
root@mars ~ # mdadm -E /dev/sd[efghijkl]1
/dev/sde1:
Magic : a92b4efc
Version : 0.90.00
UUID : a1eb26ff:0d33b804:1c7aa044:e01dc78c (local to host mars)
Creation Time : Fri Apr 9 19:24:51 2010
Raid Level : raid6
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 5860543744 (5589.05 GiB 6001.20 GB)
Raid Devices : 6
Total Devices : 8
Preferred Minor : 0
Update Time : Wed Jul 7 00:21:00 2010
State : active
Active Devices : 5
Working Devices : 8
Failed Devices : 1
Spare Devices : 3
Checksum : 4439feb9 - correct
Events : 991519
Layout : left-symmetric-6
Chunk Size : 64K
Number Major Minor RaidDevice State
this 1 8 65 1 active sync /dev/sde1
0 0 8 161 0 active sync /dev/sdk1
1 1 8 65 1 active sync /dev/sde1
2 2 8 177 2 active sync /dev/sdl1
3 3 8 145 3 active sync /dev/sdj1
4 4 8 129 4 active sync /dev/sdi1
5 5 0 0 5 faulty removed
6 6 8 81 6 spare /dev/sdf1
7 7 8 97 7 spare /dev/sdg1
8 8 8 113 8 spare /dev/sdh1
/dev/sdf1:
Magic : a92b4efc
Version : 0.90.00
UUID : a1eb26ff:0d33b804:1c7aa044:e01dc78c (local to host mars)
Creation Time : Fri Apr 9 19:24:51 2010
Raid Level : raid6
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 5860543744 (5589.05 GiB 6001.20 GB)
Raid Devices : 6
Total Devices : 8
Preferred Minor : 0
Update Time : Wed Jul 7 00:21:00 2010
State : active
Active Devices : 5
Working Devices : 8
Failed Devices : 1
Spare Devices : 3
Checksum : 4439fecd - correct
Events : 991519
Layout : left-symmetric-6
Chunk Size : 64K
Number Major Minor RaidDevice State
this 6 8 81 6 spare /dev/sdf1
0 0 8 161 0 active sync /dev/sdk1
1 1 8 65 1 active sync /dev/sde1
2 2 8 177 2 active sync /dev/sdl1
3 3 8 145 3 active sync /dev/sdj1
4 4 8 129 4 active sync /dev/sdi1
5 5 0 0 5 faulty removed
6 6 8 81 6 spare /dev/sdf1
7 7 8 97 7 spare /dev/sdg1
8 8 8 113 8 spare /dev/sdh1
/dev/sdg1:
Magic : a92b4efc
Version : 0.90.00
UUID : a1eb26ff:0d33b804:1c7aa044:e01dc78c (local to host mars)
Creation Time : Fri Apr 9 19:24:51 2010
Raid Level : raid6
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 5860543744 (5589.05 GiB 6001.20 GB)
Raid Devices : 6
Total Devices : 8
Preferred Minor : 0
Update Time : Wed Jul 7 00:21:00 2010
State : active
Active Devices : 5
Working Devices : 8
Failed Devices : 1
Spare Devices : 3
Checksum : 4439fedf - correct
Events : 991519
Layout : left-symmetric-6
Chunk Size : 64K
Number Major Minor RaidDevice State
this 7 8 97 7 spare /dev/sdg1
0 0 8 161 0 active sync /dev/sdk1
1 1 8 65 1 active sync /dev/sde1
2 2 8 177 2 active sync /dev/sdl1
3 3 8 145 3 active sync /dev/sdj1
4 4 8 129 4 active sync /dev/sdi1
5 5 0 0 5 faulty removed
6 6 8 81 6 spare /dev/sdf1
7 7 8 97 7 spare /dev/sdg1
8 8 8 113 8 spare /dev/sdh1
/dev/sdh1:
Magic : a92b4efc
Version : 0.90.00
UUID : a1eb26ff:0d33b804:1c7aa044:e01dc78c (local to host mars)
Creation Time : Fri Apr 9 19:24:51 2010
Raid Level : raid6
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 5860543744 (5589.05 GiB 6001.20 GB)
Raid Devices : 6
Total Devices : 8
Preferred Minor : 0
Update Time : Wed Jul 7 00:21:00 2010
State : active
Active Devices : 5
Working Devices : 8
Failed Devices : 1
Spare Devices : 3
Checksum : 4439fef1 - correct
Events : 991519
Layout : left-symmetric-6
Chunk Size : 64K
Number Major Minor RaidDevice State
this 8 8 113 8 spare /dev/sdh1
0 0 8 161 0 active sync /dev/sdk1
1 1 8 65 1 active sync /dev/sde1
2 2 8 177 2 active sync /dev/sdl1
3 3 8 145 3 active sync /dev/sdj1
4 4 8 129 4 active sync /dev/sdi1
5 5 0 0 5 faulty removed
6 6 8 81 6 spare /dev/sdf1
7 7 8 97 7 spare /dev/sdg1
8 8 8 113 8 spare /dev/sdh1
/dev/sdi1:
Magic : a92b4efc
Version : 0.90.00
UUID : a1eb26ff:0d33b804:1c7aa044:e01dc78c (local to host mars)
Creation Time : Fri Apr 9 19:24:51 2010
Raid Level : raid6
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 5860543744 (5589.05 GiB 6001.20 GB)
Raid Devices : 6
Total Devices : 8
Preferred Minor : 0
Update Time : Wed Jul 7 00:21:00 2010
State : active
Active Devices : 5
Working Devices : 8
Failed Devices : 1
Spare Devices : 3
Checksum : 4439feff - correct
Events : 991519
Layout : left-symmetric-6
Chunk Size : 64K
Number Major Minor RaidDevice State
this 4 8 129 4 active sync /dev/sdi1
0 0 8 161 0 active sync /dev/sdk1
1 1 8 65 1 active sync /dev/sde1
2 2 8 177 2 active sync /dev/sdl1
3 3 8 145 3 active sync /dev/sdj1
4 4 8 129 4 active sync /dev/sdi1
5 5 0 0 5 faulty removed
6 6 8 81 6 spare /dev/sdf1
7 7 8 97 7 spare /dev/sdg1
8 8 8 113 8 spare /dev/sdh1
/dev/sdj1:
Magic : a92b4efc
Version : 0.90.00
UUID : a1eb26ff:0d33b804:1c7aa044:e01dc78c (local to host mars)
Creation Time : Fri Apr 9 19:24:51 2010
Raid Level : raid6
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 5860543744 (5589.05 GiB 6001.20 GB)
Raid Devices : 6
Total Devices : 8
Preferred Minor : 0
Update Time : Wed Jul 7 00:21:00 2010
State : active
Active Devices : 5
Working Devices : 8
Failed Devices : 1
Spare Devices : 3
Checksum : 4439ff0d - correct
Events : 991519
Layout : left-symmetric-6
Chunk Size : 64K
Number Major Minor RaidDevice State
this 3 8 145 3 active sync /dev/sdj1
0 0 8 161 0 active sync /dev/sdk1
1 1 8 65 1 active sync /dev/sde1
2 2 8 177 2 active sync /dev/sdl1
3 3 8 145 3 active sync /dev/sdj1
4 4 8 129 4 active sync /dev/sdi1
5 5 0 0 5 faulty removed
6 6 8 81 6 spare /dev/sdf1
7 7 8 97 7 spare /dev/sdg1
8 8 8 113 8 spare /dev/sdh1
/dev/sdk1:
Magic : a92b4efc
Version : 0.90.00
UUID : a1eb26ff:0d33b804:1c7aa044:e01dc78c (local to host mars)
Creation Time : Fri Apr 9 19:24:51 2010
Raid Level : raid6
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 5860543744 (5589.05 GiB 6001.20 GB)
Raid Devices : 6
Total Devices : 8
Preferred Minor : 0
Update Time : Tue Jul 6 23:37:42 2010
State : clean
Active Devices : 5
Working Devices : 8
Failed Devices : 1
Spare Devices : 3
Checksum : 4449160f - correct
Events : 991518
Layout : left-symmetric-6
Chunk Size : 64K
Number Major Minor RaidDevice State
this 0 8 161 0 active sync /dev/sdk1
0 0 8 161 0 active sync /dev/sdk1
1 1 8 65 1 active sync /dev/sde1
2 2 8 177 2 active sync /dev/sdl1
3 3 8 145 3 active sync /dev/sdj1
4 4 8 129 4 active sync /dev/sdi1
5 5 0 0 5 faulty removed
6 6 8 81 6 spare /dev/sdf1
7 7 8 97 7 spare /dev/sdg1
8 8 8 113 8 spare /dev/sdh1
/dev/sdl1:
Magic : a92b4efc
Version : 0.90.00
UUID : a1eb26ff:0d33b804:1c7aa044:e01dc78c (local to host mars)
Creation Time : Fri Apr 9 19:24:51 2010
Raid Level : raid6
Used Dev Size : 1465135936 (1397.26 GiB 1500.30 GB)
Array Size : 5860543744 (5589.05 GiB 6001.20 GB)
Raid Devices : 6
Total Devices : 8
Preferred Minor : 0
Update Time : Wed Jul 7 00:21:00 2010
State : active
Active Devices : 5
Working Devices : 8
Failed Devices : 1
Spare Devices : 3
Checksum : 4439ff2b - correct
Events : 991519
Layout : left-symmetric-6
Chunk Size : 64K
Number Major Minor RaidDevice State
this 2 8 177 2 active sync /dev/sdl1
0 0 8 161 0 active sync /dev/sdk1
1 1 8 65 1 active sync /dev/sde1
2 2 8 177 2 active sync /dev/sdl1
3 3 8 145 3 active sync /dev/sdj1
4 4 8 129 4 active sync /dev/sdi1
5 5 0 0 5 faulty removed
6 6 8 81 6 spare /dev/sdf1
7 7 8 97 7 spare /dev/sdg1
8 8 8 113 8 spare /dev/sdh1
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next prev parent reply other threads:[~2010-07-07 23:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-07 20:41 power outage while raid5->raid6 was in progress Sebastian Reichel
2010-07-07 22:44 ` Neil Brown
2010-07-07 23:13 ` Sebastian Reichel [this message]
2010-07-08 1:21 ` Neil Brown
2010-07-08 8:48 ` Sebastian Reichel
2010-07-08 22:48 ` Neil Brown
2010-07-08 23:50 ` Sebastian Reichel
2010-07-13 22:14 ` Sebastian Reichel
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