[ClusterLabs] simple setup and resources on different nodes??

[Ken Gaillot]

On 01/11/2017 10:10 AM, lejeczek wrote:
> hi eveyone,
> I have a simple, test setup, like this:
> 
> $ pcs status
> Cluster name: test_cluster
> WARNING: corosync and pacemaker node names do not match (IPs used in
> setup?)
> Stack: corosync
> Current DC: work2.whale.private (version 1.1.15-11.el7_3.2-e174ec8) -
> partition with quorum
> Last updated: Wed Jan 11 16:02:15 2017        Last change: Wed Jan 11
> 15:53:36 2017 by root via crm_attribute on work1.whale.private
> 
> 3 nodes and 3 resources configured
> 
> Online: [ work1.whale.private work2.whale.private work3.whale.private ]
> 
> Full list of resources:
> 
>  Fencing    (stonith:fence_xvm):    Started work1.whale.private
>  virtualIP    (ocf::heartbeat:IPaddr2):    Started work2.whale.private
>  Website    (ocf::heartbeat:apache):    Started work3.whale.private
> 
> Daemon Status:
>   corosync: active/enabled
>   pacemaker: active/enabled
>   pcsd: active/enabled
> 
> 
> but it does not make sense (bare in mind a beginner talks) right?
> How come pcs decided to have VirtualIP and Website are started on
> different nodes?
> And it actually did, virtuall IP pings but httpd is not there, indeed
> running on another node.
> What am I missing?
> 
> many thanks,
> L.

You may want to see "Clusters From Scratch":

http://clusterlabs.org/doc/en-US/Pacemaker/1.1-pcs/html-single/Clusters_from_Scratch/index.html

especially sections 6.4-6.6