Re: [Jfs-discussion] fsck.jfs segfaults on x86_64

[Alex Deucher <alexdeucher@gmail.com>]

On 6/10/05, Dave Kleikamp <shaggy@austin.ibm.com> wrote:
> On Fri, 2005-06-10 at 10:00 -0400, Alex Deucher wrote:
> > We have a large lvm2 logical volume (6.91T) which contains a JFS
> > filesystem. The volumes accessed via emulex FC HBAs connected to a
> > nexsan SAN.  There was a bug in the SAN firmware that caused the
> > primary controller to lose sync with the other controller and go down.
> >  Normally when this happens we are able to reboot the SAN and the
> > server and then run fsck on the volume, and everything is fine (on a
> > side note, we have updated the SAN firmware to fix the sync problem).
> > however, fsck now segfaults and the volume is dirty so it can't be
> > mounted. lvdisplay and vgdisplay seem to work fine displaying the
> > correct info.  Does anyone know what may be causing the problem or how
> > we can fix it?  If possible I'd like to save the data on the volumes.
> >
> > #> time fsck.jfs /dev/vg00/lvol0
> > fsck.jfs version 1.1.4, 30-Oct-2003
> 
> 1.1.4 is quite old.  Can you try a recent version of jfsutils?
> http://jfs.sourceforge.net/project/pub/jfsutils-1.1.8.tar.gz

sorry, I should have mentioned that.  we also tried 1.1.7 with the
same result.  I can try 1.1.8 too.

> 
> If that doesn't work, you can try running "fsck.jfs
> --omit_journal_replay", since it is trapping while replaying the
> journal.  If all else fails, you should be able to mount it read-only
> (mount -oro) to recover the data.

cool I'll give that a try.

Thanks!

Alex

> 
> Thanks,
> Shaggy
> --
> David Kleikamp
> IBM Linux Technology Center
> 
>