RAL Tier1 Experiments Liaison Meeting

Wednesday 4 Sept 2024, 13:30 → 15:00 Europe/London

Access Grid (RAL R89)

14:00 → 14:01 Major Incidents Changes

14:05 → 14:06 Summary of Operational Status and Issues

Speakers: Brian Davies (Lancaster University (GB)), Darren Moore, Kieran Howlett (STFC RAL)

Weekly Report 04 September 2024.docx

Weekly Report 04 September 2024.pdf

14:10 → 14:11 Experiment Operational Issues

14:15 → 14:16 VO Liaison CMS

Speaker: Katy Ellis (Science and Technology Facilities Council STFC (GB))

No particular problems. Still seeing the intermittent SAM test failures for CEs but not causing obvious issues for either test status or production.

Jyothish updated the XRootd version on AAA today - thanks!

Requested Tom Birkett to add Shoveler to WNs this week if possible/convenient. 

14:20 → 14:21 VO-Liaison ATLAS

Speakers: Brij Kishor Jashal (RAL, TIFR and IFIC), Jyoti Prakash Biswal (Rutherford Appleton Laboratory)

Meeting notes ATLAS liason

14:25 → 14:26 VO Liaison LHCb

Speaker: Alexander Rogovskiy (Rutherford Appleton Laboratory)

Operational issues:

• A few lost files on Antares
  • Luckily, files have other replicas
  • Looks like an FTS issue this time

 

News:

• Fix for xrootd "Cannot allocate memory" error is ready

14:30 → 14:33 VO Liaison LSST

Speaker: Timothy John Noble (Science and Technology Facilities Council STFC (GB))

14:35 → 14:36 VO Liaison APEL

Speaker: Thomas Dack

14:39 → 14:40 VO Liaison Others

Speakers: Alexander Rogovskiy (Rutherford Appleton Laboratory), Brij Kishor Jashal (RAL, TIFR and IFIC), Jyoti Prakash Biswal (Rutherford Appleton Laboratory), Katy Ellis (Science and Technology Facilities Council STFC (GB))

14:45 → 14:46 AOB

14:50 → 14:51 Any other Business

Speakers: Brian Davies (Lancaster University (GB)), Darren Moore