[ClusterLabs] Primitive and clone relation .

[Sergey Arlashin]

So if I specify something like this:

colocation web_vip inf: webserver_clone vip 

will it be correct? 

Regards,
Sergey



> primitive webserver ... 
> clone webserver_clone webserver 
> 
> primitive vip ...



> On 05 Feb 2017, at 23:39, Digimer <lists at alteeve.ca> wrote:
> 
> On 05/02/17 03:31 PM, Sergey Arlashin wrote:
>> HI all! 
>> 
>> I have a simple setup in my test environment - two node cluster with two resources .
>> 
>> First resource - a web server which is supposed to run on both nodes
>> 
>> Second resource - a virtual ip address which is supposed to run only on one of these two nodes, but only if the node has web server resource up and running. 
>> 
>> The resources are currently configured this way:
>> 
>> primitive webserver ... 
>> clone webserver_clone webserver 
>> 
>> primitive vip ...
>> 
>> How do I specify that the 'vip' resource should run together with started 'webserver' on the same node and  migrate to another node if 'webserver' resource fails on the current one?  
>> 
>> Thank you! 
>> 
>> Regards,
>> Sergey
> 
> I believe you want colocation constraints;
> 
> http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html-single/Clusters_from_Scratch/index.html#_ensure_resources_run_on_the_same_host
> 
> -- 
> Digimer
> Papers and Projects: https://alteeve.com/w/
> "I am, somehow, less interested in the weight and convolutions of
> Einstein’s brain than in the near certainty that people of equal talent
> have lived and died in cotton fields and sweatshops." - Stephen Jay Gould
> 
> _______________________________________________
> Users mailing list: Users at clusterlabs.org
> http://lists.clusterlabs.org/mailman/listinfo/users
> 
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org