AMBARI-3165. NameNode HA wizard (rollback): Create API calls for StopAllServices, Restore HBaseConfigs, Stop ZKFC
AMBARI-3164. NameNode HA wizard (rollback): Create API calls and shows the progress for Delete JNs and Additional NN, Start All Services. (onechiporenko)
AMBARI-3162. NameNode HA wizard (rollback): Create API calls for Delete ZKFC, Stop StandbyNN, Stop Namenode
AMBARI-3152. When NameNode HA is enabled and one NameNode is down, a subset of HDFS metrics do not appear. (xiwang via yusaku)
AMBARI-3155. After NameNode HA is enabled, HDFS Config page does not come up. (Andrii Babiichuk via yusaku)