Re: Re-assembling a software RAID in which device names have changed.

[Michal Soltys <soltys@xxxxxxxx>]

Sean H. wrote:
>  Now, today, I wanted to determine which disk was failing, so I
> unmounted my array and unplugged drives - Specifically, three. The
> third was the culprit, and I plugged the drives back in and rebooted.

Just to be sure - did you do that on live array ? (it kinda looks like 
you did)

> Below the first command, and separated by ten hyphens is --detail
> /dev/md0 which shows that the remaining device is marked "removed" and
> not "failed".
>
> I thank you for your help thusfar - You've allowed me to mount the
> array and access my data. However, I would very much like to get my
> RAID 5 back to non-degraded status ASAP.

You can add the drive/partition with --add option to the existing array.

It will start rebuilding then, and it can take a while.

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