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@xxxxxxxxx> 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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