[ClusterLabs] Avoid resources to start in parallel

Yusuke Iida yusk.iida at gmail.com
Thu Mar 19 11:39:30 UTC 2015


Hi,

If you use Pacemaker-1.1.12. There is a way to restrict the number of
concurrent executions per the node below.
Please set the node-action-limit to cluster_property_set.

example)
# crm configure property node-action-limit=2

Regards,
Yusuke



2015-03-19 19:20 GMT+09:00 Jose Manuel Martínez <jose.martinez at fcsc.es>:

>  Hello everybody.
>
> Trying to resolve many problems with Lustre and corosync/pacemaker, I
> would like to know if is there any way to delay the start of a resource for
> a random number of seconds.
>
> My resources are "filesystems" and if many of then are started at the same
> time at the same node, Lustre randomly fails. At this moment I'm trying to
> work-around it using "Ordering Constraints" in order to serialize the
> resources start order, but this is only a patch. Is there any other way to
> avoid resources to start at the same time?.
>
> Regards.
>
> --
>
> *Jose Manuel Martínez García / Tel. 987 293 174 *
>
> *Coordinador de Sistemas*
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>
> Fundación Centro de Supercomputación de Castilla y León
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-- 
----------------------------------------
METRO SYSTEMS CO., LTD

Yusuke Iida
Mail: yusk.iida at gmail.com
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