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Date:	Tue, 05 May 2009 10:51:59 -0600
From:	Andreas Dilger <adilger@....com>
To:	Marcel Partap <mpartap@....net>
Cc:	Christian Kujau <lists@...dbynature.de>, linux-ext4@...r.kernel.org
Subject: Re: fsck ate my ext4 home partition, help!?

On May 05, 2009  16:44 +0200, Marcel Partap wrote:
> > You did not take the dd image before the first e2fsck, hm?
> Well backing up files before trashing them is sooo unadventurous aint it.
> e2fsck really needs the ability to write all actions to an undo log file.
> By default. Hmmpf.

There is a feature in newer e2fsprogs that does create an undo log for
e2fsck, but the performance isn't necessarily great.  I don't know how
bad it gets, but maybe for the majority of people this would be an
acceptable alternative to the risk of major filesystem errors.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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