[Pacemaker] Pacemaker mount failures

[Stuart Taylor]

Hi

On 2 Jun 2014, at 11:55, Dejan Muhamedagic <dejanmm at fastmail.fm> wrote:

>> May 30 11:25:11 oss-04 lrmd[2179]:   notice: operation_finished: ost-08_start_0:2994:stderr [ mount.lustre: mount /dev/sdi at /lustre/ost-08 failed: Unknown error 524 ]
> 
> The mount command obviously failed. Whatever the difference may
> be between you mounting the filesystem by hand and the Filesystem
> RA. And whatever error 524 means.
> 
>> Does anyone know / can anyone suggest how I might debug why Pacemaker can’t mount these targets?
> 
> Assuming you have recent enough resource-agents and crmsh, you
> can trace the Filesystem RA, say:
> 
> # crm resource trace ost-08 start
> 
> This should make pacemaker try to start ost-08 again:
> 
> # crm resource cleanup ost-08
> 
> Then look for the trace file in /var/lib/heartbeat/trace_ra.
> 
> Alternatively, you can add 'set -x' somewhere in the Filesystem
> RA, then look at the logs.

I managed to clear the problem by restarting corosync on all nodes, but thanks for the information - very useful.

Regards
Stuart

Stuart Taylor
System Administrator
Edinburgh Genomics

Web: http://genomics.ed.ac.uk/
Tel: 0131 650 7403


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