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    RAL Tier1 Experiments Liaison Meeting

    → Europe/London
    Access Grid (RAL R89)

    Access Grid

    RAL R89
      • 13:38 → 13:39
        Major Incidents Changes 1m
      • 13:39 → 13:40
        Summary of Operational Status and Issues 1m
        Speakers: Brian Davies (Lancaster University (GB)), Darren Moore (Science and Technology Facilities Council STFC (GB))
        RT1EL-20200930.docx
        RT1EL-20200930.pdf
      • 13:40 → 13:41
        GGUS /RT Tickets 1m

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

      • 13:41 → 13:42
        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

      • 13:42 → 13:43
        Experiment Operational Issues 1m
      • 13:44 → 13:45
        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))

        DATATAPE deletions anticipated shortly:
          - 4k datasets
          - 1.5PB; Mainly (D)AOD, (D)ESD, NTuple  derived data

         

      • 13:46 → 13:47
        VO Liaison CMS 1m
        Speaker: Katy Ellis (Science and Technology Facilities Council STFC (GB))

        No progress on the IPv4 network slowness. It seems DI are occupied with an outage. 

        Efficiency has been mostly very low. Failures are a bit higher than I'd like, but could be accounted for by LogCollect failures.

        There's a ggus ticket concerning transfers from RAL. Possible issue with gridmap file? Marcello is looking into it.

      • 13:48 → 13:49
        VO Liaison LHCb 1m
        Speaker: Raja Nandakumar (Science and Technology Facilities Council STFC (GB))

        Coming back from vacation + 2 days of being offline - just catching up

        LHCb

        1. Number of running jobs much lower than before (~5K now, from ~9K before)
        2. Authentication error for one user : https://ggus.eu/index.php?mode=ticket_info&ticket_id=148701
        3. ECHO streaming issue : Will be catching up on the issue on Monday.

        DUNE

        Nothing special from Monday's meeting

      • 13:52 → 13:53
        VO Liaison Others 1m
      • 13:53 → 13:54
        Experiment Planning 1m
      • 13:54 → 13:55
        Dune/protoDune 1m
      • 13:55 → 13:56
        Euclid 1m
      • 13:56 → 13:57
        SKA 1m
      • 13:57 → 13:58
        AOB 1m
      • 13:58 → 13:59
        Any other Business 1m
        Speakers: Brian Davies (Lancaster University (GB)), Darren Moore (Science and Technology Facilities Council STFC (GB))