The picture above depicts the principal architecture of the HT-Cluster. It comprises:

•  A frontend node
  • pc2htfe1
  • accessible via ssh from 131.234.
  • 4* Intel Xeon 2.4 GHz
  • 4GB main memory
  • CentOS 5.2
  • Linux-Kernel 2.6.18-92
• A server (admin node)
  • hosting the batch system
• The physical worker nodes
  • pc2htn* 
  • accessible only via Torque
  • CentOS 5.2
  • Linux-Kernel 2.6.18-92
• The virtual worker nodes hosted on machines  in the IRB- and other pools
  • accessible only via Torque
  • CentOS 5.2
  • Linux-Kernel 2.6.18-92
  • The master RAID hosting the cluster local homes and the pre-installed software
  • 680GB  home directories  /home/xxx
  • 280GB  /opt/pc2