1. LHCb-Italy Farm Monitor Domenico Galli Bologna, June 13, 2001

2. LHCb-Italy Farm Monitor. 2 Domenico Galli Agents writing on a RRDB 2 NFS 1.7%CPU 1 TB 6% used Perl Agent Round Robin DataBase Perl Agent Perl Agent Perl Agent Perl Agent Farm PCs NAS Ethernet Switch NFS SNMP Perl Agent CPU Temperatures Fan Speeds Disk Space CPU load Batch Queue length Network load

3. LHCb-Italy Farm Monitor. 3 Domenico Galli Applet Download 2 NFS 1.7%CPU 1 TB 6% used http Port 80 http server Web browser Java Virtual Machine Monitoring client (Linux, UNIX, Win or Mac) http://lhcbds1.cnaf.infn.it/monitor Apache Web Server Java Applet (code)

4. LHCb-Italy Farm Monitor. 4 Domenico Galli Applet Running 2 NFS 1.7%CPU 1 TB 6% used Web browser Java Virtual Machine Monitoring client (Linux, UNIX, Win or Mac) Servlet RRDB Request Response (data) PBS http Port 55555 Java Applet plot

5. LHCb-Italy Farm Monitor. 5 Domenico Galli Sample Plot (Daily Temperatures)

6. LHCb-Italy Farm Monitor. 6 Domenico Galli Sample Plot (Daily CPU Load)

7. LHCb-Italy Farm Monitor. 7 Domenico Galli Sample Plot (Daily PBS Queue Length)

8. LHCb-Italy Farm Monitor. 8 Domenico Galli Sample Plot (Monthly PBS Queue Length)

9. LHCb-Italy Farm Monitor. 9 Domenico Galli Sample Plot (Monthly Disk Space)

10. LHCb-Italy Farm Monitor. 10 Domenico Galli Sample Plot (Current PBS Queue)