After migrating to PowerHA 7 and restarting the cluster for the first time, the following error is
reported:
Starting Cluster Services on node: Jessica
This may take a few minutes. Please wait…
Jessica: cl_rsh had exit code = 13, see cspoc.log and/or clcomd.log for more information
What is the most common cause of this error?

A.
Last C-SPOC operation failed.

B.
CAA cluster services are not running.

C.
/etc/cluster/rhosts is incorrectly configured.

D.
The hacmp group does not have proper permissions or ID number.