The coreGroupStatus parameter shows the core group name, coordinator names, and active servers in the core group.
Usage: ./wpfadmin coreGroupStatus
[root@wpfsample3 bin]# ./wpfadmin coreGroupStatus WASX7209I: Connected to process "Deployment Manager" on node wpfsample3Manager using SOAP connector; The type of process is: DeploymentManager WPFC0047I: Core group name: DefaultCoreGroup WPFC0048I: Coordinator servers: wpfsample3Network\wpfsample2\s7 wpfsample3Network\wpfsample3\s1 wpfsample3Network\wpfsample3\s9 wpfsample3Network\wpfsample2\s5 WPFC0049I: Visible members: wpfsample3Network\wpfsample2\nodeagent wpfsample3Network\wpfsample2\s4 wpfsample3Network\wpfsample2\s5 wpfsample3Network\wpfsample2\s6 wpfsample3Network\wpfsample2\s7 wpfsample3Network\wpfsample2\s8 wpfsample3Network\wpfsample3Manager\Deployment Manager wpfsample3Network\wpfsample3\nodeagent wpfsample3Network\wpfsample3\s1 wpfsample3Network\wpfsample3\s2 wpfsample3Network\wpfsample3\s3 wpfsample3Network\wpfsample3\s9