[ClusterLabs] a newbie --question
hyavari at rocketmail.com
Tue Sep 15 09:38:59 EDT 2015
Thanks for reply.
The problem is Compute resource, the appY and appZ can't run on same Server.
It is possible ?
From: Kai Dupke <kdupke at suse.com>
On 09/15/2015 07:22 AM, H Yavari wrote:
> But my issue is that my servers must be pair.
May I kindly ask to explain what is the reason is to request pairs?
Is it because the systems belong to dedicated projects?
Is it because the the apps shall not run on one node because of compute
Is it because the nodes are separated by distance?
Usually you can get a much higher availability with 4 nodes available if
you allow all apps to run on all nodes, but usually have the apps not on
the same node. This rule allow that up to 3 of the 4 nodes get down, but
the apps are still available (even with less performance, but available).
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