PDC’06 – production status and issues Latchezar Betev TF meeting – May 04, 2006

2 PDC’06 – production status Running status  Central services – all OK, no intervention necessary  With the exception of the ProxyServer – solution is being discussed (Andreas, Pablo, Predrag)  Site services – all OK (on running sites)  Running standard production jobs, old AliRoot  Job duration – 8 hours  Job output – CERN storage still firewalled: prevents us from storing data at CERN  Stable running since 25/04 – 9 days  Currently 15 sites (2 T1s, 13 T2s)

3 PDC’06 – production status Site profiles  Average 520 jobs, max 1180 jobs

4 PDC’06 – production status Site profiles (2)  Job statistics

5 PDC’06 – production status Site profiles (CERN)  Periodical drop in jobs accepted by LCG

6 PDC’06 – production status Site profiles (T2s)  Uneven job acceptance, no method yet to track and enforce ALICE resources share

7 PDC’06 – production status Repartition of done jobs  Approximately 40/60 % repartition T2/T1. Muenster (Opteron) is boosting the T2 share, T1s are underrepresented.

8 PDC’06 – production status Issues  Storage at CERN – still unresolved  Monitoring and submitting jobs at sites:  Sites typically advertise 0 free CPUs  Current system is auto-calculating the number of jobs to submit – penalizing ALICE  Have to go back to the AliEn system of deterministic values for number of CPUs and number of submitted job agents, irrespective of advertised resources.  Job communication (Proxy) with the central services

9 PDC’06 – production status Loss of connectivity with CS  Simultaneous occurrence in sites, correlated with ERROR_S, ERROR_IB

10 PDC’06 – production status Issues (2)  Deployment of VO-boxes:  Process is steadily ongoing, however not as fast as we would like it to be  Mix of problems – some LCG, some AliEn services related.  Deployment experts are working around the clock  Hopefully after the initial setup phase, further updates will be much faster  Hope that gLite 3.0 is not going to change the rules completely  List of sites – to be discussed after this presentation