What are the GROUPS_INITIAL_HOSTS and JGROUPS_BIND_ADDRESS configurations in /opt/jboss/bin/standalone.sh?
14.5
Standalone
GROUPS_INITIAL_HOSTS, JGROUPS_BIND_ADDRESS are the attributes name which need to pass for jgroups.bind_address and jgroups.tcpping.initial_hosts as part of server opts cluster configuration.
Attribute name can be anything like INITIAL_HOST and BIND_ADDRESS.
Jboss administrator can create more than one jgroup channel, there is no issue to have more than one node.