[Pacemaker] Stop one instance in a clone

Dejan Muhamedagic dejanmm at fastmail.fm
Wed Jun 30 13:56:38 EDT 2010


On Wed, Jun 30, 2010 at 11:16:13AM -0600, Serge Dubrouski wrote:
> On Wed, Jun 30, 2010 at 11:07 AM, Dejan Muhamedagic <dejanmm at fastmail.fm> wrote:
> > Hi,
> >
> > On Wed, Jun 30, 2010 at 10:57:21AM -0600, Serge Dubrouski wrote:
> >> Hello -
> >>
> >> Is there any way to stop an instance of a cloned resource on a
> >> particular node using crm shell?
> >
> > How would you stop it with crm_resource?
> 
> Actually I don't know. So let me change my question: Is there any way
> to stop just one instance of a cloned resource using any of pacemaker
> commands? Let say I need to do a maintenance on one of the nodes but I
> don't want to completely stop corosync/heartbeat there. One solution
> is to put a cloned resource into unmanaged state and then stop it
> manually on a given node. But in this case I have to make sure that
> all dependent resources were migrated out of that node.
> 
> Changing clone-max to clone-max - 1 and manual stopping of the
> resource instance might also work.

Yes, but you can't control the node.

> > Perhaps with one -inf location constraint for the target node?

Did you miss this one or was it too silly to consider?

Cheers,

Dejan

> > Thanks,
> >
> > Dejan
> >
> >
> >> --
> >> Serge Dubrouski.
> >>
> >> _______________________________________________
> >> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> >> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> >>
> >> Project Home: http://www.clusterlabs.org
> >> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> >> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> >
> > _______________________________________________
> > Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> > http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> >
> > Project Home: http://www.clusterlabs.org
> > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> > Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
> >
> 
> 
> 
> -- 
> Serge Dubrouski.
> 
> _______________________________________________
> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker




More information about the Pacemaker mailing list