Returns the cluster’s current node (cluster membership) state.
<!ELEMENT cluster (name, epoch, masterNode, nodes) <!ELEMENT name (#CDATA)> <!ELEMENT epoch (#CDATA)> <!ELEMENT masterNode (#CDATA)> <!ELEMENT nodes (node+)> <!ELEMENT node (#CDATA)>
<ncsReply>
<cluster>
<name>CLUSTER</name>
<epoch>0</epoch>
<masterNode>NODE2</masterNode>
<nodes>
<node>NODE2</node>
<node>NODE3</node>
</nodes>
</cluster>
</ncsReply>