mysql pacemaker not starting (no replies)

Hello All

We have 2 node with mysql cluster and we are not able to start pacemaker on one of the node.
We are getting error "waiting for quorum... timed-out waiting for cluster"

Following are package detail
pacemaker pacemaker-1.1.15-5.el6.x86_64
pacemaker-libs-1.1.15-5.el6.x86_64
pacemaker-cluster-libs-1.1.15-5.el6.x86_64
pacemaker-cli-1.1.15-5.el6.x86_64

Corosync corosync-1.4.7-6.el6.x86_64
corosynclib-1.4.7-6.el6.x86_64

Mysql mysql-5.1.73-7.el6.x86_64
"mysql-connector-python-2.0.4-1.el6.noarch

How to repeat:
service pacemaker start