Stop the Glance resources in Pacemaker:
pcs resource disable glance-registry-clone
pcs resource disable glance-api-clone
Wait until the output of pcs status
shows that both services have
stopped running.
Upgrade the relevant packages:
yum upgrade 'openstack-glance*' 'python-glance*'
Reload systemd to account for updated unit files:
systemctl daemon-reload
Restart Glance resources in Pacemaker:
pcs resource enable glance-api-clone
pcs resource enable glance-registry-clone
Wait until the output of pcs status
shows that the above
resources are running.