If the cluster is managed by a unified agent, the status is provided by the agent whether or not you are connected, but a connected cluster shows more detailed information.
In the tree view, click the Server Instances folder to view the instances in the right pane. Status details include:
Name – the names of the instances within the cluster.
ID – the numerical order of the instance in the cluster.
State online or offline – the current state of the cluster.
Address – the host:port address of the instance.
Start Time – the time the cluster started.
Connections Active – the number of connections.
Engines – the number of engines.