Create a Xen pool (cluster)
Connect on master
xe pool-list --minimal
Create pool with UUID
xe pool-param-set name-label="pool.myhypervisor.ca" uuid=<UUID>
Edit hostfile with all FQDN's on all nodes
vim /etc/hosts
masternode.myhypervisor.ca 10.X.X.11
othernode.myhypervisor.ca 10.X.X.12
Connect on other nodes
xe pool-join master-address=masternode.myhypervisor.ca master-username=root master-password=PASSWORD
wait 30 sec and check host list
xe host-list