From: Roger Heflin <rogerheflin@gmail.com>
To: Andrew Dunn <andrew.g.dunn@gmail.com>
Cc: linux-raid list <linux-raid@vger.kernel.org>
Subject: Re: RAID 6 Failure follow up
Date: Sun, 08 Nov 2009 08:23:29 -0600 [thread overview]
Message-ID: <4AF6D461.3050109@gmail.com> (raw)
In-Reply-To: <4AF6D0A9.6000901@gmail.com>
Andrew Dunn wrote:
> This is kind of interesting:
>
> storrgie@ALEXANDRIA:~$ sudo mdadm --assemble --force /dev/md0
> mdadm: no devices found for /dev/md0
>
> All of the devices are there in /dev, so I wanted to examine them:
>
> storrgie@ALEXANDRIA:~$ sudo mdadm --examine /dev/sde1
> /dev/sde1:
> Magic : a92b4efc
> Version : 00.90.00
> UUID : 397e0b3f:34cbe4cc:613e2239:070da8c8 (local to host
> ALEXANDRIA)
> Creation Time : Fri Nov 6 07:06:34 2009
> Raid Level : raid6
> Used Dev Size : 976759808 (931.51 GiB 1000.20 GB)
> Array Size : 6837318656 (6520.58 GiB 7001.41 GB)
> Raid Devices : 9
> Total Devices : 9
> Preferred Minor : 0
>
> Update Time : Sun Nov 8 08:57:04 2009
> State : clean
> Active Devices : 5
> Working Devices : 5
> Failed Devices : 4
> Spare Devices : 0
> Checksum : 4ff41c5f - correct
> Events : 43
>
> Chunk Size : 1024K
>
> Number Major Minor RaidDevice State
> this 0 8 65 0 active sync /dev/sde1
>
> 0 0 8 65 0 active sync /dev/sde1
> 1 1 8 81 1 active sync /dev/sdf1
> 2 2 8 97 2 active sync /dev/sdg1
> 3 3 8 113 3 active sync /dev/sdh1
> 4 4 0 0 4 faulty removed
> 5 5 0 0 5 faulty removed
> 6 6 0 0 6 faulty removed
> 7 7 0 0 7 faulty removed
> 8 8 8 193 8 active sync /dev/sdm1
>
> First raid device shows the failures....
>
> One of the 'removed' devices:
>
> storrgie@ALEXANDRIA:~$ sudo mdadm --examine /dev/sdi1
> /dev/sdi1:
> Magic : a92b4efc
> Version : 00.90.00
> UUID : 397e0b3f:34cbe4cc:613e2239:070da8c8 (local to host
> ALEXANDRIA)
> Creation Time : Fri Nov 6 07:06:34 2009
> Raid Level : raid6
> Used Dev Size : 976759808 (931.51 GiB 1000.20 GB)
> Array Size : 6837318656 (6520.58 GiB 7001.41 GB)
> Raid Devices : 9
> Total Devices : 9
> Preferred Minor : 0
>
> Update Time : Sun Nov 8 08:53:30 2009
> State : active
> Active Devices : 9
> Working Devices : 9
> Failed Devices : 0
> Spare Devices : 0
> Checksum : 4ff41b2f - correct
> Events : 21
>
> Chunk Size : 1024K
>
> Number Major Minor RaidDevice State
> this 4 8 129 4 active sync /dev/sdi1
>
> 0 0 8 65 0 active sync /dev/sde1
> 1 1 8 81 1 active sync /dev/sdf1
> 2 2 8 97 2 active sync /dev/sdg1
> 3 3 8 113 3 active sync /dev/sdh1
> 4 4 8 129 4 active sync /dev/sdi1
> 5 5 8 145 5 active sync /dev/sdj1
> 6 6 8 161 6 active sync /dev/sdk1
> 7 7 8 177 7 active sync /dev/sdl1
> 8 8 8 193 8 active sync /dev/sdm1
>
Did you check dmesg and see if there were errors on those disks?
next prev parent reply other threads:[~2009-11-08 14:23 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-08 14:07 RAID 6 Failure follow up Andrew Dunn
2009-11-08 14:23 ` Roger Heflin [this message]
2009-11-08 14:30 ` Andrew Dunn
2009-11-08 18:01 ` Richard Scobie
2009-11-08 18:22 ` Andrew Dunn
2009-11-08 18:34 ` Joe Landman
2009-11-08 22:09 ` Andrew Dunn
2009-11-08 22:59 ` Richard Scobie
2009-11-09 2:45 ` Ryan Wagoner
2009-11-09 2:57 ` Richard Scobie
2009-11-09 8:09 ` Gabor Gombas
2009-11-09 10:08 ` Andrew Dunn
2009-11-09 11:34 ` Gabor Gombas
2009-11-09 22:04 ` Andrew Dunn
2009-11-10 10:55 ` Andrew Dunn
2009-11-10 11:34 ` Vincent Schut
2009-11-11 12:34 ` Andrew Dunn
2009-11-11 12:46 ` Vincent Schut
2009-11-17 8:40 ` Vincent Schut
2009-11-10 12:45 ` Ryan Wagoner
2009-11-08 14:36 ` Andrew Dunn
2009-11-08 14:56 ` Roger Heflin
2009-11-08 17:08 ` Andrew Dunn
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