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Upgrading to a New XenServer Version
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1. Edit the file /etc/cloudstack/management/environment.properties and add the following line:
manage.xenserver.pool.master=false
2. Restart the Management Server to put the new setting into effect.
# service cloudstack-management restart
3. Find the host name of the master host in your XenServer cluster (pool):
a. Run the following command on any host in the pool, and make a note of the host-uuid of the
master host:
# xe pool-list
b. Now run the following command, and find the host that has a host-uuid that matches the
master host from the previous step. Make a note of this host's name. You will need to input it
in a later step.
# xe host-list
4. On CloudPlatform, put the master host into maintenance mode. Use the host name you
discovered in the previous step.
Note
In the latest XenServer upgrade procedure, even after putting the master host into
maintenance mode, the master host continues to stay as master.
Any VMs running on this master will be automatically migrated to other hosts, unless there is only
one UP host in the cluster. If there is only one UP host, putting the host into maintenance mode
will stop any VMs running on the host.
5. Disconnect the XenServer cluster from CloudPlatform. It will remain disconnected only long
enough to upgrade one host.
a. Log in to the CloudPlatform UI as root.
b. Navigate to the XenServer cluster, and click Actions – Unmanage.
c. Watch the cluster status until it shows Unmanaged.
6. Upgrade the XenServer software on the master host:
a. Insert the XenServer CD.
b. Reboot the host.
c. Upgrade to the newer version of XenServer. Use the steps in XenServer documentation.