[Pacemaker] rhel6/cman+pacemaker - how to use clvm?

Yuriy Demchenko demchenko.ya at gmail.com
Mon Apr 8 10:42:37 UTC 2013


Hi

I've set up 3-node cluster with cman+pacemaker as instructed in this 
doc: 
http://clusterlabs.org/doc/en-US/Pacemaker/1.1-plugin/html-single/Clusters_from_Scratch/index.html

The purpose of my cluster is to provide HA VM and routing/gateway (thus 
RHCS isn't an option for me - no IPaddr2 and Route resources).
But I cannot find any documentation how to use cLVM in cman+pacemaker 
cluster, everything I found requires use of "ocf:lvm2:clvmd" resource, 
but there's no such resource in rhel6.4/centos6.4
I've tried just starting service clvmd and enabling clustering in lvm - 
that works, but clvmd wouldn't start without running cluster - so 
apparently i need to start clvmd after pacemaker startup. But in that 
case resource "ocf:heartbeat:lvm" would fail to start, as it requires 
running clvmd and clvmd starts only after pacemaker...
So I'm confused - how to use cLVM in my case?

-- 
Yuriy Demchenko





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