[ClusterLabs] a newbie --question

Michael Schwartzkopff ms at sys4.de
Tue Sep 15 09:57:36 EDT 2015

Am Dienstag, 15. September 2015, 13:38:59 schrieb H Yavari‬:
> Hi,
> Thanks for reply.
> The problem is Compute resource, the appY and appZ can't run on same Server.
> It is possible ?
> Regards,

As far as I understood:

You have the applications Y and Z and the servers A, B, C and D.

The applications Y and Z cannot run on the same node.

Solution	1:
Make two clusters M (from node A and B) and Cluster N (from nodes C and D). 
Cluster M runs the application Y and Cluster N run the application Z.

Solution 2:
Make one big cluster from all four nodes and configure constraints that the 
applications will not run on the same node. Side note: Basically you only need 
three nodes in this scenario:
- application Y running on node A
- application Z running on node B
- in case of a failure of A or B the cluster starts the failed application on 
node C

Mit freundlichen Grüßen,

Michael Schwartzkopff

[*] sys4 AG

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