How to change the pool master on Citrix XenServer

You don't have to change the XenServer pool master, but in a situation where you need to do a maintenance on the pool master you will have to move the pool master to another host.

First you need to disable high availability.
#xe pool-ha-disable

Then you need to find out which host you want to change the master to. List UUID for all the hosts
#xe host-list

Then Change pool master
# xe pool-designate-new-master host-uuid=(uuid of ne master host)

Turn HA back on
# xe pool-ha-enable

If the pool master is not available the switch has to be enforced to succeed.
# xe pool-emergency-transition-to-master 

Re-establish connection to the slave hosts
# xe pool-recover-slave

You're Done!


Hi Patricia

Thank You Very Much!


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