Description of problem: The install guide incorrectly suggests that users place hosts in maintenance mode when updating the compatibility level of clusters[1] and DCs[2]. This is not required however can lead to domain upgrades being started unannouced, see BZ#999046 for more. [1] https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.2/html/Installation_Guide/Changing_the_Cluster_Compatibility_Version.html [2] https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.2/html/Installation_Guide/Changing_the_Data_Center_Compatibility_Version.html Additional info:
*** Bug 1016486 has been marked as a duplicate of this bug. ***
The offending steps that suggest maintenance mode is needed have been removed from each procedure mentioned above. https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.2/html/Installation_Guide/Changing_the_Cluster_Compatibility_Version.html https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.2/html/Installation_Guide/Changing_the_Data_Center_Compatibility_Version1.html