ATLAS UK Cloud Support



Tim Adye (Science and Technology Facilities Council STFC (GB)), James William Walder (Science and Technology Facilities Council STFC (GB))

Password protected (same as (new) OPs Mtg)

ATLAS UK Cloud Support
Zoom Meeting ID
James William Walder
Useful links
Join via phone
Zoom URL

● Outstanding tickets

Outstanding tickets

  • 155889 TEAM atlas UKI-NORTHGRID-LANCS-HEP less urgent NGI_UK in progress 2022-02-08 17:39:00 UK UKI-NORTHGRID-LANCS-HEP: Huge transfer failures as destination EGI

    • Probably Issues found with XrootD XrdMacaroons code with RH8 stricter code checking
  • 155856 TEAM atlas RAL-LCG2 less urgent NGI_UK in progress 2022-02-04 09:09:00 RAL-LCG2: deletion errors EGI

    • Now closed; problems not reoccured
  • 155430 TEAM atlas UKI-SCOTGRID-ECDF less urgent NGI_UK in progress 2022-02-09 22:45:00 UKI-SCOTGRID-ECDF transfer and deletion errors EGI

    • To be followed up, still assuming that lost data needs to be processed.
  • 155141 TEAM atlas UKI-LT2-Brunel less urgent NGI_UK in progress 2022-02-08 12:38:00 Transfers from UKI-LT2-Brunel fail with “Internal Server Error” EGI

    • Data declared lost; much less registered in rucio than from the file list.
  • 154806 TEAM atlas UKI-LT2-QMUL less urgent NGI_UK in progress 2022-02-07 06:07:00 UKI-LT2-QMUL SOURCE transfer failures EGI

    • Restarting webdav once a day; situation looking much improved.
  • 154543 TEAM atlas UKI-SCOTGRID-ECDF urgent NGI_UK in progress 2022-02-08 14:01:00 DPM storage ACL configuration EGI

    • Site updated ticket
  • 154436 TEAM atlas RAL-LCG2 very urgent NGI_UK in progress 2022-02-03 16:46:00 RAL Echo Davs developments EGI

    • In progress, additonal Vos are using the endpoints now
  • 153367 TEAM atlas RAL-LCG2 urgent NGI_UK on hold 2021-12-01 15:37:00 HTTPS on RAL CTA EGI

    • CTA migration expected in the week of Feb 28th


    • RAL

      • Looking good; may be underreporting its corepower to ATLAS
    • Northgrid

      • generally fine
    • London

      • QMUL looking better with the daily webdav restarts
    • SouthGrid

      • OK
    • Scotgrid

      • Durham, appears to have had problem with CE’s, better after the restarts
      • Glasgow; Xcache blip, and stage-in problems; working on the xrootd tunings

● Ongoing Items

  • TPC with http

    • Continuing. Plan for Glasgow to be decided.
  • Storageless Site test (Oxford)

    • Switched to prefetch 1 at 1100 today
  • LANCS Storage migration

    • Apparent problem with xrootd/libmacaroon in Centos8
    • Issue submitted to github for devs
    • Best current solution is to use Centos 7 for the xrootd box

● News round-table

  • Alessandra

    • NTR
  • Dan

    • Total of 7PB (from ~ 3.5PB) now deployed
  • Gerard

    • NTR
  • Matt

    • NTR
  • Gordon

    • NTR
  • Peter

    • NTR
  • Sam

    • NTR
  • Stephen

    • NTR
  • Vip

    • NTR




  • HS06 talk from S&C week: try to get correct Corepowers by next Q1



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