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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● Outstanding tickets

  • Outstanding tickets

    • 155473 TEAM atlas RAL-LCG2 less urgent NGI_UK in progress 2022-01-11 09:20:00 BU_ATLAS_Tier2 transfer and deletion errors EGI

      • IPV4 connectivity issues on new webdav aliased hosts

    • 155460 USER atlas UKI-SOUTHGRID-CAM-HEP less urgent NGI_UK in progress 2022-01-12 15:51:00 Failovers from Cambridge to CERN backup proxy EGI

      • Active discussions from site admins

    • 155430 TEAM atlas UKI-SCOTGRID-ECDF less urgent NGI_UK in progress 2022-01-12 16:37:00 UKI-SCOTGRID-ECDF transfer and deletion errors EGI

      • Data at risk, due to problems over Chrsitmas

    • 155141 TEAM atlas UKI-LT2-Brunel less urgent NGI_UK in progress 2021-12-24 08:39:00 Transfers from UKI-LT2-Brunel fail with “Internal Server Error” EGI

      • JW to progress to a solution

    • 154806 TEAM atlas UKI-LT2-QMUL less urgent NGI_UK in progress 2021-12-25 04:28:00 UKI-LT2-QMUL SOURCE transfer failures: [13] Result (Neon): SSL handshake failed EGI

      • Server fell over on Christmas day
      • Moving to adding more ‘oomph’, it’s not the highest priority item however

    • 154543 TEAM atlas UKI-SCOTGRID-ECDF urgent NGI_UK in progress 2021-12-08 12:35:00 DPM storage ACL configuration EGI

      • other urgent issues are delaying this

    • 154436 TEAM atlas RAL-LCG2 very urgent NGI_UK on hold 2021-12-08 13:25:00 RAL Echo Davs developments EGI

      • New webdavs endpoint with new gateways created. Available for more aggressive optimisation tuning and improvements

    • 153367 TEAM atlas RAL-LCG2 urgent NGI_UK on hold 2021-12-01 15:37:00 HTTPS on RAL CTA EGI

      • Needs to be tested

● CPU

    • RAL

      • Remains low; some from job scheduling when there’s a large number of transfering FTS files in the queue.
      • Also due to contention from other VOs

    • Northgrid

      • Largely ok

    • London

      • Some brief issues with QMUL

    • SouthGrid

      • BHAM a few days outage (?), but back now.
      • Sussex; running well, but could be running more slots at the site

    • Scotgrid

      • Durham - cooling; power issue over Christmas. SRR not readable; leading to overfilling of the storage.
        • Once SRR accessible, jobs started running and data reduced to below the total.
      • Gla; disk controller appears to have died; Expected to be onlined shortly.

  •  


 

● Ongoing Items

  • TPC with http

    • Davs optimsisation at RAL to take priority with a new webdav alias available

  • Storageless Site test (Oxford)

    • Seeing TLS errors on the Xcache via xrootd; cache is passing through the data

  • LANCS Storage migration

    • JW to ensure endpoint is configured in CRIC
    • Site awainting one last swtich change to begin real testing

 

 

● News round-table

  • Alessandra

    • NTR

  • Dan

    • Storage for Atlas by end of months
    • Refurbishment remains some way off

  • Gerard

    • NTR

  • Matt

    • NTR

  • Patrick

    • NTR; Attempting to work out how to get the full number of slots to run at the site.

  • Peter

    • NTR

  • Sam

    • GLA now restarted.

  • Stephen

    • NTR

  • Vip

    • To arrange a discussion to track down Xcache problems

 

 

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