GSEIS CERN IT Department CH1211 Genve 23 Switzerland

GS-EIS CERN IT Department CH-1211 Genève 23 Switzerland www. cern. ch/it

STEP’ 09 • EIS members gave an essential contribution to STEP’ 09 – Developed a tool to perform massive data staging from tape, used by CMS – Coordinated all data transfer tests among CMS sites – Responsible for all ATLAS data management and monitoring of all ATLAS central services – Support for the ATLAS distributed analysis tests simulating “chaotic” end user analysis – Grid expert on shift for LHCb: addressed operational issues for sites and Grid middleware and services – Coordination of STEP’ 09 for ALICE Internet Services CERN IT Department CH-1211 Genève 23 Switzerland www. cern. ch/it

“VO box” coordination • Goals – Provide a comprehensive view of all the experiment computing services running in IT and elsewhere using the Service Database – Help experiments in implementing Lemon sensors and alarms for their services – Encourage experiments to define procedures for the Computing Centre operators • Status Internet Services CERN IT Department CH-1211 Genève 23 Switzerland www. cern. ch/it – Most experiments provided updated service lists – Organised tutorial on Lemon sensors – Connection to CC procedures clarified

Other tasks • EIS members act as contacts for experiments, IT and WLCG – Facilitate information exchange – Troubleshoot problems and often provide solutions • Responsible for the SAM tests for all experiments • Data management issues – Collect requirements, provide tools, interact with developers • CMS site readiness Internet Services CERN IT Department CH-1211 Genève 23 Switzerland www. cern. ch/it – Developed jointly with CMS a site monitoring system to determine if WLCG sites are working well and rank them by reliability