Description of problem: In the documentation [1] , is write : - No overcloud stack updates will be run following the configuration of instance HA. We need a documentation do upgradable the overcloud stack like disable the feature, do the upgrade/update, enable the feature. [1] https://access.redhat.com/articles/1544823 Version-Release number of selected component (if applicable): openstack-tripleo-heat-templates-0.8.6-94.el7ost.noarch Additional info: