From mboxrd@z Thu Jan  1 00:00:00 1970
From: Molle Bestefich <molle.bestefich@gmail.com>
Subject: RAID1 assembly requires manual "mdadm --run"
Date: Thu, 7 Jul 2005 08:18:26 +0200
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Mitchell Laks wrote:
> However I think that raids should boot as long as they are intact, as a matter
> of policy. Otherwise we lose our  ability to rely upon them for remote
> servers...

It does seem wrong that a RAID 5 starts OK with a disk missing, but a
RAID 1 fails.

Perhaps MD is unable to tell which disk in the RAID 1 is the freshest
and therefore refuses to assemble any RAID 1's with disks missing?