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

● Status


    • 155430 TEAM atlas UKI-SCOTGRID-ECDF less urgent NGI_UK in progress 2022-01-13 14:27:00 UKI-SCOTGRID-ECDF transfer and deletion errors EGI

      • Close to final query; urgent other items
    • 155141 TEAM atlas UKI-LT2-Brunel less urgent NGI_UK in progress 2022-01-25 16:47:00 Transfers from UKI-LT2-Brunel fail with “Internal Server Error” EGI

      • Why weren’t these spotted before?
    • 154806 TEAM atlas UKI-LT2-QMUL less urgent NGI_UK in progress 2022-01-23 14:03:00 UKI-LT2-QMUL SOURCE transfer failures EGI

      • Last update related to RAL multihop transfer failures
    • 154543 TEAM atlas UKI-SCOTGRID-ECDF urgent NGI_UK in progress 2021-12-08 12:35:00 DPM storage ACL configuration EGI

      • Awaiting …
    • 154436 TEAM atlas RAL-LCG2 very urgent NGI_UK in progress 2022-01-27 08:44:00 RAL Echo Davs developments EGI

      • Failures overnight on one host due to “terminated handshake not received” errors
    • 153367 TEAM atlas RAL-LCG2 urgent NGI_UK on hold 2021-12-01 15:37:00 HTTPS on RAL CTA EGI

      • Cleanup ongoing in Castor for preparation for CTA migration



    • RAL

      • Some volatility; ARC Priority setting for HC jobs does not appear to propagate to submission priority
        • Perhaps to consider non aCT pull mode, if can’t solve this ?
    • Northgrid

      • LANCS: Some unexplained drop; but gathering back slots; several HC failures (as with other sites) due to rucio 503 errors
    • London

      • QMUL: Issues with Arc-CE’s; adding in memory
    • SouthGrid

      • NTR
    • Scotgrid

      • GLA HC (Rucio) failures, and Xcache server going down

● Other new issues / tasks

  • HC jobs running on GPU queue; Dan to check


● Ongoing Items

  • TPC with http

    • Updates running on webdav alias, GGUS above updated with latest info
  • Storageless Site test (Oxford)

    • To extract more info regarding Xcaches and performance (as described in Storage Mtg)
    • New server may still become available for testing
  • LANCS Storage migration

    • All the pieces there


● News round-table

  • Alessandra

    • NTR
  • Dan

    • Preparing for new storage; with doubling of new space.
  • Gerard

    • NTR
  • Matt

    • NTR
  • Peter

    • NTR
  • Sam

    • Preparing for LHCb and cephfs migration
  • Stephen

    • NTR
  • Vip

    • Possiblity of Xcache server is getting closer



There are minutes attached to this event. Show them.