SITE	Operator Cover	Lights-out Operation	Monitoring and Alarm Tools
FNAL	24 x 7                     In-house team	Under active consideration - question of possibly eliminating the night cover	NGOP for monitoring and alarms to the Operators; use of Remedy for trouble tickets
SLAC	None	Fully lights out	Remote system admin; monitoring with automatic alarms
BNL	24 x 7 during runs; day shifts via operators, overnight via the experiments	No overnight cover when no beam
Jefferson	None	Fully lights out	Use of tape robots plus monitoring via the mon tool with alarms to an on-call sys admin
RAL	8 x 5  in-house team plus callout	Outside prime shift	Monitoring with alarms
IN2P3	70% cover by          in-house team	Overnight only	Monitoring with alarms to the Operators
Caltech	Staff by day, Students at nights and weekends	Has been considered but rejected - centre too complex, equipment too special	Very little automation - budget concerns
NERSC	24 x 7                     In-house team	Considered but no easy, cheap solution found	Monitoring using netsaint and snmp with alarms
DESY Zuethen	Day shift cover, Mon to Frid	None	Monitoring with alarms
DESY Hamburg	Cover during day shift only		Operator on call out overnight
CERN	24 x 7                     Outsource contract	Considered but no easy, cheap solution found	CNSURE for monitoring and alarms to the Operators, Remedy trouble tickets to sys admin team; use of tape robots
LAL	08:00 to 22:00 weekdays; 09:00 to 18:00 weekends	None	Nagios