Hmm, I think you could:
- add a disk,
- reshape your raid5 to raid6 while using the layout where the raid5
disks aren't really changed
- let it finish syncing
- reshape the raid6 to raid5 taking one of the bad disks out
I'm sure Neil will let us know if this is nonsense. ;)
Alex.
----- Message from rpfile@xxxxxxxxx ---------
Date: Wed, 6 Apr 2011 18:45:15 -0700
From: rob pfile <rpfile@xxxxxxxxx>
Subject: 4-disk raid5 with 2 disks going bad: best way to proceed?
To: linux-raid@xxxxxxxxxxxxxxx
is there a way to construct a clean copy of one of the disks even if
there are raid-correctable read errors?
----- End message from rpfile@xxxxxxxxx -----
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