curious corruption 2-byte shift of all data
Paul Raines
raines at nmr.mgh.harvard.edu
Mon Dec 22 14:58:18 UTC 2008
Yes, I tried. No luck.
On Sun, 21 Dec 2008, Christian Kujau wrote:
> On Wed, 17 Dec 2008, Paul Raines wrote:
>> [root at shadowfax ~]# e2fsck -f -n /dev/loop7
>> e2fsck 1.39 (29-May-2006)
>> Group descriptors look bad... trying backup blocks...
>> e2fsck: Bad magic number in super-block while trying to open /dev/loop7
>>
>> The superblock could not be read or does not describe a correct ext2
>> filesystem. If the device is valid and it really contains an ext2
>> filesystem (and not swap or ufs or something else), then the superblock
>> is corrupt, and you might try running e2fsck with an alternate superblock:
>> e2fsck -b 8193 <device>
>
> Did you try one the alternatae superblocks? (mkfs.ext3 -n might help)
> Last time I myself had to use this it did not work. So I'm really curious
> if e2fsck -b actually works when this message appears.
>
> Christian.
>
--
---------------------------------------------------------------
Paul Raines email: raines at nmr.mgh.harvard.edu
MGH/MIT/HMS Athinoula A. Martinos Center for Biomedical Imaging
149 (2301) 13th Street Charlestown, MA 02129 USA
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