@mike_bronson7  Use the following API to find out the node & state of the active/standby     # curl -u <User name>:<Password> -H 'X-Requested-By: ambari' -X GET 'http://test1:8080/api/v1/clusters/c186/host_components?HostRoles/componentname=NAMENODE&metrics/dfs/FSNamesystem/HAState=active' # curl -u <User name>:<Password> -H 'X-Requested-By: ambari' -X GET 'http://test1:8080/api/v1/clusters/c186/host_components?HostRoles/componentname=NAMENODE&metrics/dfs/FSNamesystem/HAState=standby”   ... View more