[kwlug-disc] Recovering a software raided machine.

Andrew Mercer andrew at andrewmercer.net
Tue Mar 11 11:26:22 EDT 2014

After you've plugged them in via USB, you will have to identify which 
disks were part of the RAID and then reassemble them. You can use blkid 
to identify disks part of the RAID - it will show the RAID disks like 

/dev/sda: UUID="xxxx" TYPE="linux_raid_member"

Disks part of the same RAID will have the same UUID. You could also use 
mdadm -E.

Then use "mdadm --assemble -v /dev/mdX /dev/sdx /dev/sdx" to reassemble 
the array and then of course mount it locally.

Are you able to boot into a Linux live environment before you try 
taking the drives out?

On 2014-03-11 10:36, Joe Wennechuk wrote:
> I have a machine that will not boot. I'm getting a message to insert
> boot media after post, and that's it. It has two drives in it, and I
> believe they were set up as a mirror using mdadm. Can I just take one
> or both of the drives out, and plug it in via USB converter? Is there
> anything I will have to do besides that?
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Andrew Mercer
Kitchener, ON


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