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RAL Tier1 Experiments Liaison Meeting

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RAL R89
RAL Tier1 Experiments Liaison Meeting
Zoom Meeting ID
66811541532
Host
Alastair Dewhurst
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    • 13:00 → 13:01
      Major Incidents Changes 1m
    • 13:01 → 13:02
      Summary of Operational Status and Issues 1m
      Speakers: Brian Davies (Lancaster University (GB)), Darren Moore (Science and Technology Facilities Council STFC (GB)), Kieran Howlett (STFC RAL)
      Weekly Report 14 June 2023.docx
      Weekly Report 14 June 2023.pdf
    • 13:02 → 13:03
      GGUS /RT Tickets 1m

      https://tinyurl.com/T1-GGUS-Open
      https://tinyurl.com/T1-GGUS-Closed

    • 13:04 → 13:05
      Site Availability 1m

      https://lcgwww.gridpp.rl.ac.uk/utils/availchart/

      https://cms-site-readiness.web.cern.ch/cms-site-readiness/SiteReadiness/HTML/SiteReadinessReport.html#T1_UK_RAL

      http://hammercloud.cern.ch/hc/app/atlas/siteoverview/?site=RAL-LCG2&startTime=2020-01-29&endTime=2020-02-06&templateType=isGolden

    • 13:05 → 13:06
      Experiment Operational Issues 1m
    • 13:15 → 13:16
      VO Liaison CMS 1m
      Speaker: Katy Ellis (Science and Technology Facilities Council STFC (GB))
    • 13:16 → 13:17
      VO-Liaison ATLAS 1m
      Speakers: James William Walder (Science and Technology Facilities Council STFC (GB)), Jyoti Prakash Biswal (Rutherford Appleton Laboratory)

      https://stfc.atlassian.net/browse/GS-131: ATLAS jobs failing with: "failed to close file descriptor: bad file descriptor" 

      • Awaiting Sandbox to see if this fixes the issues. 

      Otherwise, generally quiet. 

       

    • 13:20 → 13:21
      VO Liaison LHCb 1m
      Speaker: Alexander Rogovskiy (Rutherford Appleton Laboratory)
      plot3_n.png
      plot3.png

      Tickets:

      • Vector read
        • patch was rolled out to 40% of the farm
        • Gateway issues happened after that (not sure if it is related)
        • Failures were spotted on one patched generation (2017-xma)
      • Move to host certificate for the vobox
        • Security team is investigating
      • Network issue (redirector tracking)
        • double slash is used by LHCb now
      • Token migration ticket
        • Opened for HTCondor, do we have enough information to setup ARC CE?

      Operational issues:

      • Upload failures due to gateway issues
    • 13:25 → 13:28
      VO Liaison LSST 3m
      Speaker: Timothy John Noble (Science and Technology Facilities Council STFC (GB))
    • 13:30 → 13:31
      VO Liaison Others 1m
    • 13:31 → 13:32
      AOB 1m
    • 13:32 → 13:33
      Any other Business 1m
      Speakers: Brian Davies (Lancaster University (GB)), Darren Moore (Science and Technology Facilities Council STFC (GB))