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From: Nagilum <nagilum@nagilum.org>
To: rob pfile <rpfile@gmail.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: 4-disk raid5 with 2 disks going bad: best way to proceed?
Date: Thu, 07 Apr 2011 22:13:34 +0200	[thread overview]
Message-ID: <20110407221334.16604ufejmh3q9s0@cakebox.homeunix.net> (raw)
In-Reply-To: <BC7F2D63-87DF-4402-A42B-00702098AAC4@gmail.com>

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@gmail.com ---------
     Date: Wed, 6 Apr 2011 18:45:15 -0700
     From: rob pfile <rpfile@gmail.com>
  Subject: 4-disk raid5 with 2 disks going bad: best way to proceed?
       To: linux-raid@vger.kernel.org

> 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@gmail.com -----



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  parent reply	other threads:[~2011-04-07 20:13 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-07  1:45 4-disk raid5 with 2 disks going bad: best way to proceed? rob pfile
2011-04-07  3:35 ` Roberto Spadim
2011-04-07  7:21 ` Mikael Abrahamsson
2011-04-07 22:15   ` rob pfile
2011-04-08 12:10     ` NeilBrown
2011-04-09 14:39       ` rob pfile
2011-04-07 20:13 ` Nagilum [this message]
2011-04-08 12:05   ` NeilBrown
2011-04-08 15:47     ` Nagilum

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