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Re: ext3 crash



On Apr 02, 2002 22:52 +0900, Andy Paul wrote:
> One of my shared volumes crashed the other day on a RH-7.2, 2.4.9-31 system.
>
> These are the first errors in the log:
>
> kernel: EXT3-fs error (device ide0(3,9)): ext3_readdir: bad entry in
> directory #2424833: rec_len is smaller than minimal - offset=0,
> inode=2553887680, rec_len=0, name_len=0
>
> kernel: EXT3-fs error (device ide0(3,9)): ext3_readdir: bad entry in
> directory #2424833: rec_len is smaller than minimal - offset=0,
> inode=2553887680, rec_len=0, name_len=0


These errors indicate a read error on the device, I think.

> kernel: attempt to access beyond end of device
> kernel: 03:09: rw=0, want=558629008, limit=53600841
>
>
> e2fsck complains :
>
> e2fsck 1.26 (3-Feb-2002)
> Group descriptors look bad... trying backup blocks...
> e2fsck: Attempt to read block from filesystem resulted in short read while
> checking ext3 journal for /share6
> e2fsck: io manager magic bad!


Try running "e2fsck -b 32768" or "e2fsck -b 98304".  It may be that
e2fsck 1.26 already checks all of the possible backup block groups for
you, but I don't know what version that was added in.

I have tried them with the same result.




You should also try whether "dd if=/dev/hda9" works at all, since it seems you have some pretty major problems.

dd, hexdump work properly with the partition. Forgot to mention, the partition is (was ?) rather big (40G), used 87%. Is there any ("hard") way to recover anything?


Many thanks,
Adrian




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