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WLCG Service Report

The WLCG Management Board meeting held on September 8, 2009, reported a smooth week of operations with good attendance (approximately 15 participants) and no major issues. The Site Status Board (SSB) was systematically utilized for Tier0 scheduled interventions. However, significant site instability was noted at SARA for Alice, attributed to a VObox issue that recurred after an initial resolution. Also, a Castor outage for LHCb occurred on September 7 due to clusterware problems. The report highlights that operations ran smoothly, likely due to staff returning from vacation and ongoing project weeks.

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WLCG Service Report

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  1. WLCG Service Report Maria.Girone@cern.ch ~~~ WLCG Management Board, 8th September 2009

  2. Introduction Smooth week of operations, good attendance (~15 people) and no major problems More systematic use of Site Status Board (SSB) for Tier0 scheduled intervention Quite a few interventions in coming days! Significant site instability at SARA for Alice due to a VObox issue (the proxy renewal service stopped) which seemed solved on 1st Sept but came back on 2nd Sept and is still under investigation Usual level of on-going problems that are picked up and solved quickly (see daily minutes) Castor outage for LHCb on Monday 07.09 from 6.10am to 7.45am due clusterware problems. SIR requested

  3. GGUS summary

  4. Summary Smooth operations – possibly as a result of many people returning from vacation plus experiment / computing “weeks” (ATLAS last week, CMS this) but prior to big ramp-up in activities? Lxplus alias change to SL5 discussed. To be finalized at the GDB

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