[ClusterLabs] Avoid resources to start in parallel

Jose Manuel Martínez jose.martinez at fcsc.es
Mon Mar 23 09:47:48 EDT 2015

El 19/03/15 a las 11:42, Michael Schwartzkopff escribió:
> Am Donnerstag, 19. März 2015, 11:20:45 schrieb Jose Manuel Martínez:
>> 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.
> Start the reources ordered.
This one looks to work. There are one collateral effect (resource 
dependencies) but no matter.


>   Or have a took into the Filesystem resource agent
> and add some random delay.
> Beware to fix the start timeout in your configuration.
> Mit freundlichen Grüßen,
> Michael Schwartzkopff


*Jose Manuel Martínez García / Tel. 987 293 174 *

*Coordinador de Sistemas*

Fundación Centro de Supercomputación de Castilla y León

Edificio CRAI-TIC, Campus de Vegazana, s/n

Universidad de León

24071 León, España


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