A usage message will be generated if:
Multiple cfconfig options are specified (some options are mutually exclusive).
An invalid rcqconfig option is specified.
The "-h" option is specified.
usage: rcqconfig [ -g | -h ] or
rcqconfig -s or
rcqconfig [ -v ] [ -c ]
[ -a Add-node-1 ...Add-node-n ]
[ -x Ignore-node-1 ...Ignore-node-n ]
[ -d Delete-node-1 ...Delete-node-n ]
[ -m quorum-method-1 ... quorum-method-n ]
