From: devzero@web.de
To: linux-kernel@vger.kernel.org
Cc: djani22@netcenter.hu
Subject: Re:Sparse file question for data recovery
Date: Sun, 20 Apr 2008 01:39:21 +0200 [thread overview]
Message-ID: <246175158@web.de> (raw)
maybe cowloop ? ( http://www.atcomputing.nl/Tools/cowloop/index.html )
there is also appropriate feature in mainline (device-mapper snapshots, see Documentation/device-mapper/snapshot.txt )
maybe the thread at http://marc.info/?l=linux-kernel&m=114137441221113&w=2 is worth taking a look.
roland
List: linux-kernel
Subject: Sparse file question for data recovery
From: "Janos Haar" <djani22 () netcenter ! hu>
Date: 2008-04-19 22:15:15
Message-ID: 09eb01c8a26a$dbf5eee0$0404a8c0 () dcccs
[Download message RAW]
Hello list,
It is a way to use sparse files (or sg. else) to try to recover some big
block device when it is readonly?
I mean the original device is marked readonly, and only the changes are
saved for the sparse file.
This is useful if i want to only try to repair corrupted (or miss-assembled)
raid arrays, image from damaged hdd, etc...
Like only save the "undo" information independently from the repairing
program.
I only know that with nbd-server, but i wish to use a simple local solution.
Somebody have an idea? :-)
Thanks,
Janos Haar
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reply other threads:[~2008-04-19 23:39 UTC|newest]
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