From mboxrd@z Thu Jan  1 00:00:00 1970
From: Phil Turmel <philip@turmel.org>
Subject: Re: RAID5+spare volume gone - mdadm sees RAID1 only?
Date: Mon, 23 Sep 2013 08:40:10 -0400
Message-ID: <524036AA.20703@turmel.org>
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To: P Agenbag <internet@mweb.co.za>
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Good morning,

[Please trim replies, and avoid top-posting]

On 09/23/2013 01:15 AM, P Agenbag wrote:
> Hi Phil
> 
> Below, please find the output of the mdadm --examine on the 4 drive's
> second partitions. Apologies for omitting that in the first e-mail.
> 
> Appreciate your help.

[trim /]

So it appears /dev/sd[abc]2 all dropped out together, leaving sdd2 by
itself.  As such, you should be able to force assembly and carry on.

mdadm -Af /dev/md1 /dev/sd[abcd]2

Then you can take a backup of the critical contents, if necessary.  (You
haven't said how important the data is...)

Phil