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

[Alex Deucher <alexdeucher@gmail.com>]

On 6/10/05, Alex Deucher <alexdeucher@gmail.com> wrote:
> 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.
> 

1.1.8 segfaulted as well.

> >
> > 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.

running fsck.jfs --omit_journal_replay did the trick!  thanks,

Alex

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