On Tue, Dec 16, 2008 at 09:15:17AM +1100, Neil Brown wrote:
> On Tuesday December 16, kmshanah@xxxxxxxxxxxxxx wrote:
> > hermes:~# mdadm -A /dev/md5 /dev/sd[cefghijk]1
> > mdadm: failed to RUN_ARRAY /dev/md5: Input/output error
>
> Try adding --force to over-ride apparent errors, and --verbose to help
> you see what is happening.
Hrm, force doesn't seem to help. Here's the verbose output:
hermes:~# mdadm -A --force --verbose /dev/md5 /dev/sd[cefghijk]1
mdadm: looking for devices for /dev/md5
mdadm: /dev/sdc1 is identified as a member of /dev/md5, slot 8.
mdadm: /dev/sde1 is identified as a member of /dev/md5, slot 0.
mdadm: /dev/sdf1 is identified as a member of /dev/md5, slot 1.
mdadm: /dev/sdg1 is identified as a member of /dev/md5, slot 2.
mdadm: /dev/sdh1 is identified as a member of /dev/md5, slot 6.
mdadm: /dev/sdi1 is identified as a member of /dev/md5, slot 5.
mdadm: /dev/sdj1 is identified as a member of /dev/md5, slot 4.
mdadm: /dev/sdk1 is identified as a member of /dev/md5, slot 3.
mdadm: added /dev/sdf1 to /dev/md5 as 1
mdadm: added /dev/sdg1 to /dev/md5 as 2
mdadm: added /dev/sdk1 to /dev/md5 as 3
mdadm: added /dev/sdj1 to /dev/md5 as 4
mdadm: added /dev/sdi1 to /dev/md5 as 5
mdadm: added /dev/sdh1 to /dev/md5 as 6
mdadm: no uptodate device for slot 7 of /dev/md5
mdadm: added /dev/sdc1 to /dev/md5 as 8
mdadm: no uptodate device for slot 9 of /dev/md5
mdadm: added /dev/sde1 to /dev/md5 as 0
mdadm: failed to RUN_ARRAY /dev/md5: Input/output error
I don't know what to make of that. It looks like it's got 8/10
devices, which should be enough to re-assemble in degraded mode.
/proc/mdstat shows:
md5 : inactive sde1[0] sdc1[8] sdh1[6] sdi1[5] sdj1[4] sdk1[3] sdg1[2] sdf1[1]
7814079488 blocks
Cheers,
Kevin.
> > /dev/sdc1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Tue Dec 16 05:35:46 2008
> > State : clean
> > Internal Bitmap : present
> > Active Devices : 6
> > Working Devices : 6
> > Failed Devices : 3
> > Spare Devices : 0
> > Checksum : e3df9eea - correct
> > Events : 176870
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 8 8 129 8 active sync /dev/sdi1
> >
> > 0 0 0 0 0 removed
> > 1 1 0 0 1 faulty removed
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 0 0 7 faulty removed
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 0 0 9 faulty removed
> > /dev/sdd1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Thu Nov 27 09:20:39 2008
> > State : clean
> > Internal Bitmap : present
> > Active Devices : 10
> > Working Devices : 10
> > Failed Devices : 0
> > Spare Devices : 0
> > Checksum : e3c42f8b - correct
> > Events : 91974
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 9 8 145 9 active sync /dev/sdj1
> >
> > 0 0 8 1 0 active sync /dev/sda1
> > 1 1 8 17 1 active sync /dev/sdb1
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 8 113 7 active sync /dev/sdh1
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 8 145 9 active sync /dev/sdj1
> > /dev/sde1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Tue Dec 16 00:28:14 2008
> > State : active
> > Internal Bitmap : present
> > Active Devices : 8
> > Working Devices : 8
> > Failed Devices : 2
> > Spare Devices : 0
> > Checksum : e3dca329 - correct
> > Events : 176870
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 0 8 1 0 active sync /dev/sda1
> >
> > 0 0 8 1 0 active sync /dev/sda1
> > 1 1 8 17 1 active sync /dev/sdb1
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 0 0 7 faulty removed
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 0 0 9 faulty removed
> > /dev/sdf1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Tue Dec 16 00:29:00 2008
> > State : active
> > Internal Bitmap : present
> > Active Devices : 7
> > Working Devices : 7
> > Failed Devices : 2
> > Spare Devices : 0
> > Checksum : e3dca382 - correct
> > Events : 176870
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 1 8 17 1 active sync /dev/sdb1
> >
> > 0 0 0 0 0 removed
> > 1 1 8 17 1 active sync /dev/sdb1
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 0 0 7 faulty removed
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 0 0 9 faulty removed
> > /dev/sdg1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Tue Dec 16 05:35:46 2008
> > State : clean
> > Internal Bitmap : present
> > Active Devices : 6
> > Working Devices : 6
> > Failed Devices : 3
> > Spare Devices : 0
> > Checksum : e3df9e7e - correct
> > Events : 176870
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 2 8 33 2 active sync /dev/sdc1
> >
> > 0 0 0 0 0 removed
> > 1 1 0 0 1 faulty removed
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 0 0 7 faulty removed
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 0 0 9 faulty removed
> > /dev/sdh1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Tue Dec 16 05:35:46 2008
> > State : clean
> > Internal Bitmap : present
> > Active Devices : 6
> > Working Devices : 6
> > Failed Devices : 3
> > Spare Devices : 0
> > Checksum : e3df9ec6 - correct
> > Events : 176870
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 6 8 97 6 active sync /dev/sdg1
> >
> > 0 0 0 0 0 removed
> > 1 1 0 0 1 faulty removed
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 0 0 7 faulty removed
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 0 0 9 faulty removed
> > /dev/sdi1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Tue Dec 16 05:35:46 2008
> > State : clean
> > Internal Bitmap : present
> > Active Devices : 6
> > Working Devices : 6
> > Failed Devices : 3
> > Spare Devices : 0
> > Checksum : e3df9eb4 - correct
> > Events : 176870
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 5 8 81 5 active sync /dev/sdf1
> >
> > 0 0 0 0 0 removed
> > 1 1 0 0 1 faulty removed
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 0 0 7 faulty removed
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 0 0 9 faulty removed
> > /dev/sdj1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Tue Dec 16 05:35:46 2008
> > State : clean
> > Internal Bitmap : present
> > Active Devices : 6
> > Working Devices : 6
> > Failed Devices : 3
> > Spare Devices : 0
> > Checksum : e3df9ea2 - correct
> > Events : 176870
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 4 8 65 4 active sync /dev/sde1
> >
> > 0 0 0 0 0 removed
> > 1 1 0 0 1 faulty removed
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 0 0 7 faulty removed
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 0 0 9 faulty removed
> > /dev/sdk1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Tue Dec 16 05:35:46 2008
> > State : clean
> > Internal Bitmap : present
> > Active Devices : 6
> > Working Devices : 6
> > Failed Devices : 3
> > Spare Devices : 0
> > Checksum : e3df9e90 - correct
> > Events : 176870
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 3 8 49 3 active sync /dev/sdd1
> >
> > 0 0 0 0 0 removed
> > 1 1 0 0 1 faulty removed
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 0 0 7 faulty removed
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 0 0 9 faulty removed
> > /dev/sdl1:
> > Magic : a92b4efc
> > Version : 00.90.00
> > UUID : 77fa8675:444efef0:12f8dff0:9f609eb4
> > Creation Time : Sun Jul 27 15:03:44 2008
> > Raid Level : raid6
> > Used Dev Size : 976759936 (931.51 GiB 1000.20 GB)
> > Array Size : 7814079488 (7452.09 GiB 8001.62 GB)
> > Raid Devices : 10
> > Total Devices : 10
> > Preferred Minor : 5
> >
> > Update Time : Mon Dec 15 22:36:32 2008
> > State : active
> > Internal Bitmap : present
> > Active Devices : 9
> > Working Devices : 9
> > Failed Devices : 1
> > Spare Devices : 0
> > Checksum : e3dc8525 - correct
> > Events : 175787
> >
> > Chunk Size : 64K
> >
> > Number Major Minor RaidDevice State
> > this 7 8 113 7 active sync /dev/sdh1
> >
> > 0 0 8 1 0 active sync /dev/sda1
> > 1 1 8 17 1 active sync /dev/sdb1
> > 2 2 8 33 2 active sync /dev/sdc1
> > 3 3 8 49 3 active sync /dev/sdd1
> > 4 4 8 65 4 active sync /dev/sde1
> > 5 5 8 81 5 active sync /dev/sdf1
> > 6 6 8 97 6 active sync /dev/sdg1
> > 7 7 8 113 7 active sync /dev/sdh1
> > 8 8 8 129 8 active sync /dev/sdi1
> > 9 9 0 0 9 faulty removed
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