Open Stack

Hello All,
I installed openstack newton p
with a pacemaker cluster made up of 3 controllers and 2 compute nodes. All
computer have centos 7.3.
Compute nodes are provided with remote pacemaker ocf resource.
If before shutting down a compute node I disable the compute node resource
in the cluster and enable it when the compute returns up, it work fine and
cluster shows it online.
If the compute node goes down before disabling the compute node resource in
the cluster, it remains offline also after it is powered up.
The only solution I found is removing the compute node resource in the
cluster and add it again with a different name (adding this new name in all
controllers /etc/hosts file).
With the above workaround it returns online for the cluster and all its
resources  (openstack-nova-compute etc etc....) return to work fine.
Please,  does anyone know a better solution ?
Regards
Ignazio
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