ATLAS UK Cloud Support

Thursday 8 Apr 2021, 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

• 151141 UKI-NORTHGRID-LANCS-HEP less urgent on hold 2021-04-01 08:24:00 UKI-NORTHGRID-LANCS-HEP deletion errors
  • On Hold waiting for Matt to return
• 151098 RAL-LCG2 urgent in progress 2021-04-07 15:14:00 High failure rate at RAL-LCG2_TEST
  • Problem likely understood due to docker config and pilot killing orphaned processes.
    • An ENV exists to hopefully mitigate this effect.
• 146651 RAL-LCG2 urgent on hold 2021-04-07 13:04:00 singularity and user NS setup at RAL
  • Remains on hold, ticket recently updated

 

---

● CPU

• RAL

  • No issues; still to be understood if corepower values are propagated through.

• Northgrid

  • MAN downtime for loss of core router; (BHAM affected)

• London

  • No issues

• SouthGrid

  • No issues; Susx remains in test however

• Scotgrid

  • No isses

---

● Ongoing Items

• CentOS7 - Sussex
  • Problems remain; to follow-up with Patrick.
• TPC with http
  • RAL moved to new TPC test endpoint machine; problems remain.
  • Memory leaks in 5.1.1 xrootd aim to be sorted for 5.1.2
• Storageless Site test / storage decomissioning (Oxford)
  • Some urgency now as hardware is brittle
• Glasgow DPM Decommissioning
  • Appears to have had some progress behind the scenes.
  • GLA would still want to have a downtime, to coordinate with Dimitrios
• ATLAS: Site Availability/Reliability reports: Glasgow
  • New SNOW ticket opened, to understand current situation

---

● News round-table

• Vip
  • Need to move the data soon from OX
  • JW to contact Dimitros.
• Dan
  • Sorted (closed) GGUS for file access problems.
• Peter
  • Noted the lack of issues over the break
• Sam
  • NTR
• Gareth
  • Final ATLAS meeting, as moves to new role tomorrow.
  • Will still be supporting Scotgrid (indirectly)
  • All wished best of luck.
• JW
  • NTR
• Emanuelle
  • NTR

10:00 → 10:20 Status

10:20 → 10:40 Ongoing Items

• CentOS7 - Sussex
  • Problems remain; to follow-up with Patrick.
• TPC with http
  • RAL moved to new TPC test endpoint machine; problems remain.
  • Memory leaks in 5.1.1 xrootd aim to be sorted for 5.1.2
• Storageless Site test / storage decomissioning (Oxford)
  • Some urgency now as hardware is brittle
• Glasgow DPM Decommissioning
  • Appears to have had some progress behind the scenes.
  • GLA would still want to have a downtime, to coordinate with Dimitrios
• ATLAS: Site Availability/Reliability reports: Glasgow
  • New SNOW ticket opened, to understand current situation

10:40 → 10:50 News round-table

• Vip
  • Need to move the data soon from OX
  • JW to contact Dimitros.
• Dan
  • Sorted (closed) GGUS for file access problems.
• Peter
  • Noted the lack of issues over the break
• Sam
  • NTR
• Gareth
  • Final ATLAS meeting, as moves to new role tomorrow.
  • Will still be supporting Scotgrid (indirectly)
  • All wished best of luck.
• JW
  • NTR
• Emanuelle
  • NTR

10:50 → 11:00 AOB