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Re: [Linux-cluster] GFS2 crash



On 03/04/2010 02:25 AM, Steven Whitehouse wrote:
Hi,

On Wed, 2010-03-03 at 21:23 -0800, Scooter Morris wrote:
Hi all,
      Just had a crash on our 3 node RedHat Enterprise Linux 5.4 cluster
that looks a lot like
https://bugzilla.redhat.com/show_bug.cgi?id=520720.  We're running
kernel 2.6.18-164.11.1.el5.  Here is the traceback:

That seems a reasonable conclusion. I assume that you were running with
one or more files with the journaled data flag set?
Not intentionally. We do have a several MySQL databases running, but we haven't explicitly set the jdata flag on any files or directories.
[snip]
Since we're already running the latest 5.4 kernel, it's not clear what
might be going on, here.  There is a note in the bug about making sure
the gfs2-kmod from 5.2 isn't still around.  What version of gfs2-kmod is
the old version, or should I just remove all instances of gfs2-kmod?

-- scooter

You can remove all versions of the kmod since they are all old. This is
the result of a packaging issue (which we are attempting to solve by
providing an empty kmod in future versions which will override the old
one) but in the mean time, upgrades from 5.2 or before require the old
gfs2 kmod to be removed manually.

I don't see any sign of the kmod in the stack trace you sent though, so
I suspect its not an issue in this case. Certainly worth checking though
to be certain.

Steve.

OK, I'm removing kmod-gfs2 from all nodes and will schedule a rolling reboot this evening.

-- scooter
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