Re: Can't recover from broken ext3 journal

[Andreas Dilger]

On Mar 26, 2003  01:30 -0800, [e-mail] wrote:
> I had a harddrive develop hard IO errors in the section of the drive
> that holds the ext3 journal.
> 
> If it try to fsck the filesystem, fsck eventually terminates after
> trying to replay the journal.
> 
> I tried to use debugfs but that fails in similar way.
> 
> When I use tune2fs to try to turn off the journal, even with
> the -f option, it simply reports 'the needs_recovery flag is
> set, please run e2fsck'.
> 
> I've replaced the drive and restored from backups, however, it seems
> rather poor design that I should lose *all* my data on the drive simply
> because the journal won't replay due to an disk error.

debugfs -w -R "feature ^has_journal ^needs_recovery" /dev/whatever
e2fsck -f /dev/whatever

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