Quote Originally Posted by sandergemert View Post

Please check your setting for quorum policy
If not set to ignore and you only run 2 nodes, it will not be acivated on the remaining node

crm configure property no-quorum-policy=ignore
In recent versions this is a bad recommendation.
ha-cluster-init properly sets the 'two_node= true' flag on each member of the cluster which sets the quorum to be artificially set to '1' .