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    RAL Tier1 Experiments Liaison Meeting

    → Europe/London
    Access Grid (RAL R89)

    Access Grid

    RAL R89
      • 12:38 → 12:39
        Major Incidents Changes 1m
      • 12:39 → 12:40
        Summary of Operational Status and Issues 1m
        Speakers: Brian Davies (Lancaster University (GB)), Darren Moore (Science and Technology Facilities Council STFC (GB))
        RT1EL-20200429.docx
        RT1EL-20200429.pdf
      • 12:40 → 12:41
        GGUS /RT Tickets 1m

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

      • 12:41 → 12:42
        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

      • 12:42 → 12:43
        Experiment Operational Issues 1m
      • 12:44 → 12:45
        VO-Liaison ATLAS 1m
        Speakers: James William Walder (Science and Technology Facilities Council STFC (GB)), Dr Tim Adye (Science and Technology Facilities Council STFC (GB))
        20200429_RAL_Comparisons.pdf
      • 12:46 → 12:47
        VO Liaison CMS 1m
        Speaker: Katy Ellis (Science and Technology Facilities Council STFC (GB))

        Looked at some failing transfers to CASTOR with RobA and GeorgeP. No conclusions yet.

        AAA failures probably occur when number of connections > 2k. AAA has been particularly busy lately, with >1 GB/s frequently. Throttling currently set to 200 (actively transferring connections) per proxy. 

      • 12:48 → 12:49
        VO Liaison LHCb 1m
        Speaker: Raja Nandakumar (Science and Technology Facilities Council STFC (GB))
      • 12:52 → 12:53
        VO Liaison Others 1m
      • 12:53 → 12:54
        Experiment Planning 1m
      • 12:54 → 12:55
        Dune/protoDune 1m
      • 12:55 → 12:56
        Euclid 1m
      • 12:56 → 12:57
        SKA 1m
      • 12:57 → 12:58
        AOB 1m
      • 12:58 → 12:59
        Any other Business 1m
        Speakers: Brian Davies (Lancaster University (GB)), Darren Moore (Science and Technology Facilities Council STFC (GB))