13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague LCG regional centre in Prague

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Existing hardware Network connection Software Usage of the farm Manpower Plans for 2004

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Computing farm Golias - HW Dedicated farm for HEP and Grid computing – 34x dual 1.13Ghz PIII – 1GB RAM each – 1TB disk array – new 10TB disk array available in few days (needed some hacking of kernel, our patches are incorporated in test9 kernel) – Total power 34 kSI2000 Plan 50% LCG (ATLAS+ALICE), 50% D0

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Network connection PASNET (metropolitan Prague Academic and Scientific Network) – 10 Gbps backbone to CESNET – Golias farm connection: 1 Gbps reserved optical connection to CzechLight 1 Gbps general infrastructure connection CESNET (Czech Scientific Network operator): –1.2 Gbps connection to GEANT (over HW 10 Gbps) –1+1 Gbps connection to NIX (Peering with Czech ISPs) –800 Mbps connection to USA (Telia) 2.5 Gbps CzechLight connection (now used for other tests) – Reserved optical connection 1 Gbps Institute of Physics CzechLight NetherLight CERN – Connected to our linux router, switching to “backup” line through Internet managed by BGP protocol – Possibility to connect to StarLight in the future

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Network connection (2)

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Installed software Grid specific –LCG1 –GENIUS ATLAS specific –Atlas offline software (Athena) –several versions ( ) ALICE specific –Root + AliRoot (several versions) –AliEn D0 –D0RunII, MC_runjob, SAM station Other –PBSPro 5.2.2

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Experiments ATLAS –participation to Data Challenges –Atlas-LCG ALICE –simulation production, (reconstruction) D0 –Mass MC simulation for D0, reconstruction, data analysis Other demanding computing tasks

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Grid projects –EDG from 1 Jan 2001 in collaboration with CESNET WP6 – testbed Plan to continue in EGEE –LCG (LHC Computing Grid) LCG-1 deployed in October 2003 –5 nodes: 3 worker nodes, 1 CE, 1 SE, 1 UI Currently installed LCG-1 version – running without problems We are ready for LCG-2 as scheduled by PEB on 16 December 2003

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Plans for 2004 Construction of the new computing room in the Institute Electric power 150 kW UPS, cooling, engine-generator Operational from II quartal Computer upgrade in double Xeon 2.8GHz units, 30 TB disk space –Total capacity 34 -> 90 kSI TB -> 40 TB resources app. 250 kCHF

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Server room Operator’s room

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Manpower Jan Švec - network and system management, D0 experiment (grid), maintenance of LCG software Jiří Kosina - installation and maintenance of LCG software at FZU, ALICE experiment, network and system management Jiří Chudoba - ATLAS experiment, test of farm infrastructure Lukáš Fiala - network and system management

13 January 2004GDB Geneva, Milos Lokajicek Institute of Physics AS CR, Prague Conclusion Prague Farm Golias runs stably LCG-1 environment Ready for LCG-2 Important upgrade of computer room and computers in 2004 (app. 3 fold) during 2004 Qualified manpower available