Currently there are 22 machines which are part of cluster. In addition there are two switches, one for public and other is private. NIS (OpenLdap) is served by hep-cms-henrietta. The nameservers are hepcms-hn2 and hepcms-henrietta. The data disk is mounted on hepcms-hn which is also gateway. hepcms-namenode is name node for hadoop. Two data disks are mounted on hepcms-rubin and hepcms-henrietta. /home is being backed-up to /data3 which is mounted on r720-datanfs.privnet. hepcms-se2. umd.edu is xrootd server. hepcms-ce2.umd.edu is the condor-host node. It is also running condor-ce which recieved jobs from the cms central systems. The Frontier Squid server is running on hepcms-squid.umd.edu. It is http://hepcms-squid.privnet:3128 for /cvmfs disks.