On 8/10/07, Andrew Beekhof <[EMAIL PROTECTED]> wrote:
> On 8/10/07, Andreas Kurz <[EMAIL PROTECTED]> wrote:
> > On 8/10/07, Andrew Beekhof <[EMAIL PROTECTED]> wrote:
> > > On 8/9/07, Andreas Kurz <[EMAIL PROTECTED]> wrote:
> > > > On 8/8/07, Dejan Muhamedagic <[EMAIL PROTECTED]> wrote:
> > > > > On Wed, Aug 08, 2007 at 01:07:19PM +0200, Andreas Kurz wrote:
> > > > > > Hello all,
> > > > > >
> > > > > > I am running a two-node test cluster (heartbeat 2.1.2) using pingd 
> > > > > > as
> > > > > > an OCF resource and encountered the following behaviour in my
> > > > > > configuration:
> > > > > >
> > > > > > - I disabled clusterwide resource monitoring to restart heartbeat on
> > > > > > on one node, because lrmd was not working as expected
> > > > >
> > > > > What was it doing?
> > > >
> > > > I know what it was not doing ... executing monitors and monitor action
> > > > initiated by the DC (after an 'crm_resource -P') timed out.
> > >
> > > > > > - when the first node was up again and integrated again in the 
> > > > > > cluster
> > > > > > I reenabled clusterwide resource monitoring
> > > > >
> > > > > What do you mean by "clusterwide resource monitoring"?
> > > >
> > > > setting 'is-managed-default' in the crm_config section
> > >
> > > that setting only means that it can start/stop resources - it doesn't
> > > imply any monitoring
> >
> > Aaah ... I see, ok ... but the effect is the same, heartbeat does not
> > start or stop the resources. Why does the monitoring still continue
> > .... or is it suspended once an monitoring error is detected that
> > would cause stop/start events?
>
> given:
>   rscA (managed)
>   rscB (unmanaged)
>   rscA depends on rscB
>
> it is better to know if rscB fails and that rscA should be stopped
> than to let rscA fail(which has consequences if rscB ever becomes
> available again)
>

OK, I understand ... thanks for the explanation.

Regards,
Andreas

> > > > I am talking about the behaviour of the CRM when 'is-managed-default'
> > > > is reenabled again in a cluster and pingd is not running everywhere
> > > > and there are some nodes which have a pingd node attribute and some
> > > > which have not. As the pingd resource is a resource that influences
> > > > the score of nodes when placing other resources I think it would be
> > > > nice to have pingd started on all nodes _before_ all other resources
> > > > .... when there are constraints including pingd score_attributes.
> > >
> > > the pingd page describes two methods of starting it.
> > > to do what you describe, just use the ha.cf/respawn method
> >
> > Hmm, yes that would be better in such a situation. I only preferred
> > the pingd-clone because then the pingd attributes could be changed
> > dynamically .... is it possible to let heartbeart reread the ha.cf
> > file without a restart? If not, are ther plans to support it in the
> > near future?
>
> i dont know
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