ATLAS UK Cloud Support

→ Europe/London
Zoom

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

https://cern.zoom.us/j/98434450232

Password protected (same as (new) OPs Mtg)

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● 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

● CPU

 

    • 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

 

● AOB

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