need help troubleshooting software raid failures

[Alex Dean]

OK, found those syslog entries I was looking for...

On Jul 16, 2009, at 10:49 AM, Alex Dean wrote:

>
> *** Timeline ***
>
> 7/13 18:00 (roughly) : power yanked
> 7/13 22:00 (roughly) : power restored
> 7/14  9:24 : email from mdadm.  sda5 (md1) failed.
> 7/14  9:29 : email from mdadm.  sda1 (md0) failed.

Remove/add sda5 from md1.
Jul 15 09:12:27 gringotts kernel: [135751.337452] md: md1: recovery  
done.
Jul 15 09:12:28 gringotts kernel: [135751.368667] md: recovery of RAID  
array md0
Jul 15 09:12:28 gringotts kernel: [135751.368693] md: minimum  
_guaranteed_  speed: 1000 KB/sec/disk.
Jul 15 09:12:28 gringotts kernel: [135751.368700] md: using maximum  
available idle IO bandwidth (but not more than 200000 KB/sec) for  
recovery.
Jul 15 09:12:28 gringotts kernel: [135751.368715] md: using 128k  
window, over a total of 9767424 blocks.
Jul 15 09:12:28 gringotts kernel: [135751.413618] RAID1 conf printout:
Jul 15 09:12:28 gringotts kernel: [135751.413635]  --- wd:2 rd:2
Jul 15 09:12:28 gringotts kernel: [135751.413644]  disk 0, wo:0, o:1,  
dev:sda5
Jul 15 09:12:28 gringotts kernel: [135751.413650]  disk 1, wo:0, o:1,  
dev:sdb5
Jul 15 09:12:28 gringotts mdadm[3495]: RebuildFinished event detected  
on md device /dev/md1

Remove/add sda1 from md0.
Jul 15 09:16:51 gringotts kernel: [136015.274853] md: md0: recovery  
done.
Jul 15 09:16:51 gringotts kernel: [136015.344358] RAID1 conf printout:
Jul 15 09:16:51 gringotts kernel: [136015.344373]  --- wd:2 rd:2
Jul 15 09:16:51 gringotts kernel: [136015.344385]  disk 0, wo:0, o:1,  
dev:sda1
Jul 15 09:16:51 gringotts kernel: [136015.344391]  disk 1, wo:0, o:1,  
dev:sdb1
Jul 15 09:16:51 gringotts mdadm[3495]: RebuildFinished event detected  
on md device /dev/md0


> 7/15 20:20 : email from mdadm.  sda1 (md0) failed.
> 7/16  0:07 : email from mdadm.  sda7 (md3) failed.
> 7/16  9:38 : email from mdadm.  sda5 (md1) failed.

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