linux-ext4 - Re: Restoring filenames from partly damaged ext4-filesystem

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Date:	Fri, 10 Feb 2012 13:02:01 -0500
From:	Theodore Tso <tytso@....EDU>
To:	Rudolf Zran <rudolfzran@...oo.com>
Cc:	Theodore Tso <tytso@....edu>,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	"debian-user@...ts.debian.org" <debian-user@...ts.debian.org>
Subject: Re: Restoring filenames from partly damaged ext4-filesystem


On Feb 9, 2012, at 11:29 AM, Rudolf Zran wrote:

> Hi everybody!
> 
> I recently damaged an ext4 partition by accident (mistakenly forced
> a RAID sync with another partition onto it, which I realized after
> about 3% completion). As a result the beginning of the ext4 partition
> seems to be overwritten with garbage and refuses to mount.
> 
> As you might guess, I'd now like to get as most of my data back (from
> the part which hasn't been overwritten, of course :)).
> 
> Maybe somebody knows a good method to just "repair" the ext4-structure
> from the remaining part of the partition?\

Have you tried just simply running e2fsck, specifying an alternate superblock?

I'd do this by making a copy of the file system first, of course….

-- Ted


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