You must have all necessary configuration information available before adding a cluster.
The host name is the FQDN or short name that Performance Manager uses to connect to the cluster. This host name must resolve to the cluster management IP address.
The cluster management IP address must be the cluster management LIF. If you use a node management LIF, the operation fails.
If the version of Data ONTAP is earlier than 8.3, this account must have the Admin role with Application access set to ontapi.