mdadm help - (Dapper Server)

[Ainsley Pereira]

On Thu, Jun 01, 2006 at 09:03:04AM -0500, Steve Kratz wrote:
>    I have an 8-drive software array running on a /dev/md0 software array.  On
>    older slackware linux servers, I always had a "raidhotadd /dev/md0
>    /dev/hdX1" option to replace a failed drive.  I've not been able to figure
>    out the safest way to get this to happen with the mdadm tools.
> 
>    Anyone have any expert advice for replacing a failed drive?

You can add with:
mdadm /dev/md0 --add /dev/hdX1
(like raidhotadd)

and remove with:
mdadm /dev/md0 --fail /dev/hdX1 --remove /dev/hdX1
(marks it as failed first, then removes it, like raidsetfaulty and
raidhotremove).

Hope that helps,
Ainsley