From: Robin Hill <robin@robinhill.me.uk>
To: Chris Purves <chris@northfolk.ca>
Cc: "linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>
Subject: Re: unable to recover RAID 5 due to bad block
Date: Thu, 10 Nov 2011 16:50:21 +0000 [thread overview]
Message-ID: <20111110165020.GB3639@cthulhu.home.robinhill.me.uk> (raw)
In-Reply-To: <20111110172003.Horde.byVZeZk8pphOu-mzTQXxKL8@cakebox.homeunix.net>
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On Thu Nov 10, 2011 at 05:20:03PM +0100, Alexander Kühn wrote:
> ddrescue to the rescue!
> Get a another new disk, then ddrescue the one with the read error to
> the new disk.
> Assemble the array using the new disk instead of the one with the read error.
> You will loose the blocks that can't be read of course.
> And in the future do run raid check/scrubbing at regular intervals. ;)
> Alex.
>
You may be better cloning the original failed disk - that way it will
have a chance of actually recovering the read error (rather than having
to lose the blocks). It depends on why/how/when the original disk failed
though.
Cheers,
Robin
--
___
( ' } | Robin Hill <robin@robinhill.me.uk> |
/ / ) | Little Jim says .... |
// !! | "He fallen in de water !!" |
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next prev parent reply other threads:[~2011-11-10 16:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-10 16:04 unable to recover RAID 5 due to bad block Chris Purves
2011-11-10 16:20 ` Alexander Kühn
2011-11-10 16:50 ` Robin Hill [this message]
2011-11-10 17:04 ` Chris Purves
2011-11-10 16:50 ` Chris Purves
2011-11-10 17:02 ` Alexander Kühn
2011-11-10 17:07 ` Chris Purves
2011-11-10 20:09 ` NeilBrown
2011-11-10 20:11 ` NeilBrown
2011-11-11 0:15 ` unable to recover RAID 5 due to bad block [solved] Chris Purves
[not found] ` <CALJXSJrdBX8xqkwamauRsz27LUQYg-gV-G4K+RrNkdhB5ki31w@mail.gmail.com>
2011-11-10 16:42 ` unable to recover RAID 5 due to bad block Jérôme Poulin
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