silence mysql-cluster # /usr/local/mysql/bin/ndb_mgmd -f /var/lib/mysql-cluster/config.ini --initial --config-dir=/var/lib/mysql-cluster/
MySQL Cluster Management Server mysql-5.5.19 ndb-7.2.4
2012-03-01 20:43:31 [MgmtSrvr] WARNING  -- at line 36: Cluster configuration warning:
  arbitrator with id 1 and db node with id 3 on same host 188.165.237.54
  arbitrator with id 2 and db node with id 4 on same host 188.165.248.187
  Running arbitrator on the same host as a database node may
  cause complete cluster shutdown in case of host failure.
silence mysql-cluster # ps aux | grep ndb                                       
root      5925  0.0  0.0   8008   848 pts/0    S+   20:43   0:00 grep --colour=auto ndb
silence mysql-cluster #