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SubjectRe: fs corruption recovery?
On Jan 08, 2002  21:52 -0500, Kervin Pierre wrote:
> I install and used 2.4.17 for about a week before my filesystem
> corrupted. I've tried 'fsck -a' but it complains that there was no
> valid superblock found.

Try "e2fsck -B 4096 -b 32768 <device>" instead.

> Are there any tools or techniques that will recover data from the
> corrupted filesystem even if there isn't a valid superblock? Or is
> there a way to write a temporary superblock so I can access the
> information on the disk?

The ext2 format (includes ext3) has backup superblocks for just this reason.

> Lastly, if all else fails I'm going to try sending the drive one of
> those 'file recovery companies'. Does anyone have a recommendation for
> a particular company? I'm guessing that there'll be a few that wouldn't
> know what to do with a ext3 partition.

Is the data really that valuable, and you don't have a backup? It may
cost you several thousand dollars to do a recovery from such a company.
Yet, it isn't worth doing backups, it appears.

Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/

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