[Pacemaker] Stop one instance in a clone

[Serge Dubrouski]

On Wed, Jun 30, 2010 at 11:56 AM, Dejan Muhamedagic <dejanmm at fastmail.fm> wrote:
> 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?

It absolutely wasn't and in fact it works too.

>
> Cheers,
>
> Dejan
>
>> > Thanks,
>> >
>> > Dejan
>> >
>> >
>> >> --
>> >> Serge Dubrouski.
>> >>
>> >> _______________________________________________
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>> >>
>> >> 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
>
> _______________________________________________
> 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.