[Linux-cluster] GFS2 crash

[Scooter Morris]

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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