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Support-related Events in the Last 6 Weeks

This summary provides an overview of support-related events in the past 6 weeks, including the number of real alarm tickets, their status, and the most challenging case encountered. It also mentions the GGUS monthly release and the analysis of test alarms.

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Support-related Events in the Last 6 Weeks

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  1. GGUS summary (6 weeks) 1

  2. Support-related events since last MB There were 7 real ALARM tickets since the 2011/11/29 MB (6 weeks), 5 submitted by ATLAS,1 by CMS, 1 by LHCb. All ALARM tickets concerned CERN. All of them are in status ‘solved’, most are also ‘verified’. The most difficult case was a LSF problem that occupied supporters for 3 days (including a long debugging session on a Saturday night), the root cause of which was never understood by CERN or Platform engineers. The GGUS monthly release took place on 2011/12/07. 18 test ALARMs were issued and analysed in Savannah:124732 Details follow… WLCG MB Report WLCG Service Report

  3. ATLAS ALARM->CERN LFC restart required GGUS:77049 WLCG MB Report WLCG Service Report

  4. ATLAS ALARM->CERN LSF slow response GGUS:77065 WLCG MB Report WLCG Service Report

  5. ATLAS ALARM->CERN LFC sessions locked for long GGUS:77069 WLCG MB Report WLCG Service Report

  6. CMS ALARM->CERN Oracle sessions time-out GGUS:77142 WLCG MB Report WLCG Service Report

  7. LHCb ALARM->CERN DIRAC host unreachable GGUS:77246 WLCG MB Report WLCG Service Report

  8. ATLAS ALARM->CERN passwd change breaks important T0 web service GGUS:77467 WLCG MB Report WLCG Service Report

  9. ATLAS ALARM->CERN LSF batch down GGUS:77547 WLCG MB Report WLCG Service Report

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