[ClusterLabs] Master-Slaver resource Restarted after configuration change

[Ilia Sokolinski]

Feri,

Thanks for the answer  - this is very useful.

Ilia

> On Jun 10, 2016, at 3:13 AM, Ferenc Wágner <wferi at niif.hu> wrote:
> 
> Ilia Sokolinski <ilia at clearskydata.com> writes:
> 
>> We have a custom Master-Slave resource running on a 3-node pcs cluster on CentOS 7.1
>> 
>> As part of what is supposed to be an NDU we do update some properties of the resource.
>> For some reason this causes both Master and Slave instances of the  resource to be restarted.
>> 
>> Since restart takes a fairly long time for us, the update becomes very much disruptive.
>> 
>> Is this expected? 
> 
> Yes, if you changed a parameter declared with unique="1" in your resource
> agent metadata.
> 
>> We have not seen this behavior with the previous release of pacemaker.
> 
> I'm surprised...
> -- 
> Feri