[Pacemaker] timed out / exec error

[Dejan Muhamedagic]

On Thu, Dec 20, 2012 at 11:43:20AM +0000, James Harper wrote:
> > Hi,
> > 
> > On Tue, Dec 18, 2012 at 10:58:18AM +0000, James Harper wrote:
> > > For the following failure:
> > >
> > > Failed actions:
> > >     p_lvm_iscsi:0_monitor_10000 (node=bitvs6, call=57, rc=-2,
> > > status=Timed Out): unknown exec error
> > >
> > > Is this the ra itself returning a "Timed Out" error, or is it the
> > > cluster software determining that the ra is taking too long and so
> > > killing it and declaring it failed? stonith kicks in
> > 
> > The latter.
> > 
> > > shortly after this happens so tracking it down is a bit of a pain.
> > 
> > Is it expected? Normally, a monitor failing should cause a resource restart. If
> > a resource fails to stop, it may be a resource agent bug.
> > 
> > > It happens any time the system gets loaded (eg when making a config
> > > change)
> > 
> > What kind of change?
> > 
> > > and I can't seem to put my finger on what is causing it.
> > 
> > Which resource is that? Which version of resource agents do you run?
> > 
> 
> Any cib change throws the system load up for 10-20 seconds, and then things start timing out, despite having set the timeouts well in excess of the time it takes for pacemaker to mark the resource as timed out.

Hmm, unless your CIB (the configuration) is really huge, that
shouldn't be happening. I'd open a bugzilla with debian. Check
beforehand which processes go wild. Increase timeouts to prevent
resources failing and stonith.

> All packages are from debian wheezy.

I don't know which versions are currently in debian wheezy
(looks like 1.1.7).

Thanks,

Dejan

> James
> 
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