On 03/04/11 23:47, Roberto Spadim wrote:
what kernel version? more informations about your linux box?
The kernel version and architecture were the first 2 lines of the E-mail
you top posted over.
What would you like to know about the box? It's a 6 core Phenom-II with
16G of ram. 2 LSI SAS 9240 controllers configured with 10 x 1TB SATA
Drives in a RAID-6(md0) & 3 x 750GB SATA drives in a RAID-5(md2).
The boot drives are a pair of 1TB SATA drives in multiple RAID-1's using
the on-board AMD chipset controller and there is a 64GB SSD on a
separate PCI-E Marvell 7042m Controller.
The array in question is :
root@srv:~# mdadm --detail /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Sat Jan 8 11:25:17 2011
Raid Level : raid6
Array Size : 7814078464 (7452.09 GiB 8001.62 GB)
Used Dev Size : 976759808 (931.51 GiB 1000.20 GB)
Raid Devices : 10
Total Devices : 9
Persistence : Superblock is persistent
Update Time : Mon Apr 4 13:53:59 2011
State : clean, degraded, recovering
Active Devices : 9
Working Devices : 9
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 512K
Reshape Status : 29% complete
New Chunksize : 64K
Name : srv:server (local to host srv)
UUID : d00a11d7:fe0435af:07c8d4d6:e3b8e34e
Events : 429198
Number Major Minor RaidDevice State
0 8 32 0 active sync /dev/sdc
1 8 176 1 active sync /dev/sdl
2 8 192 2 active sync /dev/sdm
3 8 80 3 active sync /dev/sdf
4 8 16 4 active sync /dev/sdb
5 8 96 5 active sync /dev/sdg
6 0 0 6 removed
7 8 64 7 active sync /dev/sde
8 8 0 8 active sync /dev/sda
9 8 112 9 active sync /dev/sdh
root@srv:~#
Subsequent investigation has shown sdd has a pending reallocation and I
can only assume the unidentified IO error was as a result of tripping up
on that. It still does not explain why all IO to the array froze after
the drive was kicked.
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