Delete ZooKeeper Failover Controllers
Prerequsites
If the following command on the Ambari server host returns an empty
items array then you must delete ZooKeeper (ZK)
Failover Controllers:
curl -u <AMBARI_USER>:<AMBARI_PW> -H "X-Requested-By:
ambari" -i
<AMBARI_PROTO>://localhost:<AMBARI_PORT>/api/v1/clusters/<CLUSTER_NAME>/host_components?HostRoles/component_name=ZKFC
To delete the failover controllers:
Steps
On the Ambari Server host, issue the following DELETE commands:
curl -u <AMBARI_USER>:<AMBARI_PW> -H "X-Requested-By: ambari" -i -X DELETE <AMBARI_PROTO>://localhost:<AMBARI_PORT>/api/v1/clusters/<CLUSTER_NAME>/hosts/<NAMENODE_HOSTNAME>/host_components/ZKFC curl -u <AMBARI_USER>:<AMBARI_PW> -H "X-Requested-By: ambari" -i -X DELETE <AMBARI_PROTO>://localhost:<AMBARI_PORT>/api/v1/clusters/<CLUSTER_NAME>/hosts/<ADDITIONAL_NAMENODE_HOSTNAME>/host_components/ZKFCVerify that the controllers are gone:
curl -u <AMBARI_USER>:<AMBARI_PW> -H "X-Requested-By: ambari" -i <AMBARI_PROTO>://localhost:<AMBARI_PORT>/api/v1/clusters/<CLUSTER_NAME>/host_components?HostRoles/component_name=ZKFCThis command should return an empty
itemsarray.