On Thursday 13 January 2011 11:13:42 Lars Marowsky-Bree wrote:
> On 2011-01-13T11:08:49, Bart Coninckx <bart.conin...@telenet.be> wrote:
> > thx for your answer.
> > So do I get this straight:
> > - resource undergoes monitor operation
> > - monitor reports failure
> > - a restart of the resource is issued (stop and start)
> > - stop fails
> > - PE decides to fence the node because of this regardless of the state of
> > other resources
> > 
> > Untill I figure out why a stop fails (this are Xen resources, not sure
> > why a xm shutdown or xm destroy would fail ...), is there a way to make
> > Pacemaker less radical in fencing (without disabling fencing all
> > together?)
> 
> You can set the on-fail behavior for stop operations too.
> 
> It defaults to "fence" since a failed stop implies that pacemaker was
> unable to recover the resource, and so it cannot be started again (on
> the same node or elsewhere). This typically implies a bug in the
> resource agent (which failed to perform the requested action) or a
> kernel bug (unkillable processes etc); hence, the only automated safe
> action that pacemaker can do to bring the resource into a clean state
> again is to fence the whole node.
> 
> If you don't want that, you can set on-fail="block", for example.
> 
> 
> Regards,
>     Lars

Hi Lars,

Makes perfect sense, thx for explaining.
I notice that you work Novell, this is a SLES11SP1 installation so if the 
resource agent for Xen is faulty I guess you know about it?

Cheers,

B.





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