[Pacemaker] When I started a resource after a stop in the environment that set placement-strategy, there is a problem.

Andrew Beekhof andrew at beekhof.net
Thu Aug 11 02:59:35 EDT 2011


I suspect this function is going to become very similar to sort_clone_instance.
I'll commit a slightly more involved patch shortly.  Thanks for
pointing out the problem.

2011/8/2 Yuusuke IIDA <iidayuus at intellilink.co.jp>:
> Hi, Yan
> Hi, Andrew
>
> When I operated the resource, I think that I do not want to affect the
> irrelevant resource working if possible.
>
> I performed the following operation in the environment that set placement-strategy.
>
>  - I stopped resource grpPostgreSQLDB1 temporarily.
>
>  - I produced trouble in resource grpPostgreSQLDB3 and moved it to node act1.
>
>  - I removed a stop state of resource grpPostgreSQLDB1.
>
>  - As a result, resource grpPostgreSQLDB1 started in node act2 and originally
> resource grpPostgreSQLDB2 which started in node act2 was thrown out of the node
> and started in node act3.
>
>  - It is not preferable for service to stop temporarily by starting resource
> grpPostgreSQLDB2 being moved.
>
> I compare the starting resource with the stopping resource to solve this problem
> and think a resource during the start to have to raise priority.
>
> I attach a patch to solve this problem.
>
> Please confirm it.
>
> Best Regards,
> Yuusuke
> --
> ----------------------------------------
> METRO SYSTEMS CO., LTD
>
> Yuusuke Iida
> Mail: iidayuus at intellilink.co.jp
> ----------------------------------------
>
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