cmdln.internalPort(portGenerator.nextInternalPort());
cmdln.voltFilePrefix(subroot.getPath());
cmdln.internalPort(portGenerator.nextInternalPort());
cmdln.port(portGenerator.nextClient());
cmdln.adminPort(portGenerator.nextAdmin());
cmdln.zkport(portGenerator.nextZkPort());
cmdln.httpPort(portGenerator.nextHttp());
// replication port and its two automatic followers.
cmdln.drAgentStartPort(portGenerator.nextReplicationPort());
portGenerator.nextReplicationPort();
portGenerator.nextReplicationPort();