On Tue, 2005-03-15 at 22:10 -0600, Jon Nelson wrote:
> I resized two logical volumes with lvextend, and then ran:
>
> mount -o remount,resize /dev/NAMEOFVG/NAMEOFLV
> for each logical volume.
> One was /opt and the other was /jb
>
> I used each for a while, seemingly without problem.
> I rebooted to add new hardware, and both volumes showed major damage.
> /opt kept saying that it couldn't be mounted because it already /was
> mounted. I manually unmouted it and fsck.jfs *still* said it was
> mounted (neither mount nor /proc/mounts showed it mounted). /jb had
> contents similar to /opt, and /opt had contents similar to / ('root')!
> I tried various things, including using a rescue disk (SuSE 9.2 rescue
> CD), and both volumes checked out fine, but showed inconsistent
> filesystem contents to what I expected. All in all, after about an
> hour, I just gave up, removed the logical volumes and recreated them,
> and went on my way.
This sounds as if the volumes got renamed somehow. Your system would
think that /opt was already mounted, if / was using whatever volume /opt
is assigned in /etc/fstab. That would be consistent with the contents
of /opt looking like /.
> This is SuSE 9.2 with all updates, etc...
>
> This isn't the first time I've had some funky issues with resizing and
> jfs.
I'm not sure that resizing had anything to do with it.
--
David Kleikamp
IBM Linux Technology Center
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