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free data recovery app - suggestions?

 
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pistonbrew
PostPosted: Thu Mar 20, 2008 3:46 pm    Post subject: free data recovery app - suggestions? Reply with quote

hey up -

i've just formatted my drive after backing it up onto a USB drive, and subsequently not checking the backup...
so as you may guess, i have a backup tarball which has turned out to be corrupt (see code snippet), and a drive re-formatted (Ext3) in Gparted.

Code:
# tar -xvf Backup-bob_kyf-2008-03-19.tar.gz
home/bob/
home/bob/Downloads/
home/bob/Downloads/liveBLAG-79999.00101.iso

gzip: stdin: invalid compressed data--format violated
tar: Unexpected EOF in archive
tar: Unexpected EOF in archive
tar: Error is not recoverable: exiting now
#


somehow, blag was not destroyed!

i figured my best bet is to try and repair the tarball, but before i start, can anyone recommend a gnu recovery program? either for fubar'ed tarballs, or formatted data?

best,
bob

gr00ve
PostPosted: Thu Mar 20, 2008 8:59 pm    Post subject: Reply with quote

testdisk will recover deleted partitions, it is in the repo.
too bad ext3 does not support undelete :(
rar has an option to extract upon errors, not sure if it will succeed with tar tough.

pistonbrew
PostPosted: Thu Mar 20, 2008 10:12 pm    Post subject: Reply with quote

ta, gr00ve - there's a couple of things i can try for now. i'm not too hopeful, i seem to remember doing something stupid like this before...
jebba
PostPosted: Fri Mar 21, 2008 2:11 pm    Post subject: Reply with quote

This may not directly address what you need, but since I just stumbled across it at lwn.net I thought I would pass it on:

HOWTO recover deleted files on an ext3 file system
http://www.xs4all.nl/~carlo17/howto/undelete_ext3.html

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