Recovering a failed RAID5 array
Les Mikesell
lesmikesell at gmail.com
Tue Mar 28 16:33:03 UTC 2006
On Tue, 2006-03-28 at 09:22, Brian D. McGrew wrote:
> Using FC3, I've got a four drive RAID5 array with a failed disk in it.
> Aside from swapping out the disk, what do I need to do to recover this
> array? Will it happen automatically or do I need to intervene somehow?
>
> This is an IDE/ATA-133 RAID system, not SCSI.
Do a 'cat /proc/mdstat' and you should see a failed partition.
Use mdadm to remove that partition from the md device, then
fdisk a new matching partition and add it with mdadm. Then
the 'cat /proc/mdstat' should show the rebuild progress and
eventually normal operation.
--
Les Mikesell
lesmikesell at gmail.com
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