Grid User:

• Install Globus Client

Grid Administrator:

• Install Pacman (~0MB in /usr/local)
• Install Globus Gatekeeper Services (~145MB in /opt including source packages)
• Install Athena Atlfast Standalone Software (~205MB in /opt incl source package)
• Install Cernlib for analysis (~1GB in /cern, ~290 MB in /opt for source package)