ATLAS UK Cloud Support

Thursday 24 Feb 2022, 10:00 → 11:00 Europe/London

Zoom

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

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

Password protected (same as (new) OPs Mtg)

● Outstanding tickets

• • 156050 TEAM atlas UKI-NORTHGRID-LANCS-HEP urgent NGI_UK in progress 2022-02-23 09:56:00 Production failures due to LRMS error

    • vmem (old recommendation is 3*2GiB) currently at 5GB,

  • 155881 TEAM atlas UKI-SCOTGRID-GLASGOW less urgent NGI_UK reopened 2022-02-22 16:31:00 Stage-in at UKI-SCOTGRID-GLASGOW_CEPH timeouts EGI

    • timouts in staging

  • 155430 TEAM atlas UKI-SCOTGRID-ECDF less urgent NGI_UK in progress 2022-02-23 14:25:00 UKI-SCOTGRID-ECDF transfer and deletion errors EGI

    • Should be resolved soon

  • 154806 TEAM atlas UKI-LT2-QMUL less urgent NGI_UK in progress 2022-02-21 10:36:00 UKI-LT2-QMUL SOURCE (and DESTINATION) transfer failures EGI

    • Ongoing

  • 154543 TEAM atlas UKI-SCOTGRID-ECDF urgent NGI_UK in progress 2022-02-08 14:01:00 DPM storage ACL configuration EGI

    • Doing it the obvious way breaks how Xcache/DPM works at the site; under investigation

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

    • Ongoing work, writes with davs now a prioirty

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

    • Likely to now be resolved with production traffic / Tape challenge

---

● CPU

• • RAL

    • NTR

  • Northgrid

    • LANCS scheduling discussion and how ATLAS priority can be
      • Lancs sees 8-core LHCb jobs (same as Oxford)
        • Do jobs from LHCb understand how long they have available?
      • To investigate job shares

  • London

    • QMUL some draining compute racks,

  • SouthGrid

    • OX; some WNs down from storm effect

  • Scotgrid

    • some blips

•  

 

---

● Ongoing Items

• TPC with http

  • Glasgow progressing with xrootd updates
  • RAL to test writes with davs once migriation of Castor underway

• Storageless Site test

  • BHAM following up with VP

• LANCS Storage migration

  • In progress looking at Posix file access

 

 

---

● News round-table

  - Alessandra
      - NTR

  - Dan
      - NTR

  - Gerard
      - NTR

  - Gordon 
      - NTR

  - Matt
      - NTR

  - Peter
      - NTR

  - Sam
      - NTR

  - Vip
      - NTR

  - Steven
      - NTR

10:00 → 10:20 Status

10:20 → 10:40 Ongoing Items

• TPC with http

  • Glasgow progressing with xrootd updates
  • RAL to test writes with davs once migriation of Castor underway

• Storageless Site test

  • BHAM following up with VP

• LANCS Storage migration

  • In progress looking at Posix file access

 

 

10:40 → 10:50 News round-table

  - Alessandra
      - NTR

  - Dan
      - NTR

  - Gerard
      - NTR

  - Gordon 
      - NTR

  - Matt
      - NTR

  - Peter
      - NTR

  - Sam
      - NTR

  - Vip
      - NTR

  - Steven
      - NTR

10:50 → 11:00 AOB

ATLAS Monitoring (UK Cloud)

Storage ACLs