RAL Tier1 Experiments Liaison Meeting

Wednesday 15 Jul 2026, 13:30 → 15:50 Europe/London

Access Grid (RAL R89)

13:30 → 13:34 Site Operations

13:34 → 13:35 Experiment Operational Issues

13:35 → 13:40 ATLAS Operations Report

Speakers: Brij Kishor Jashal (Rutherford Appleton Laboratory), Jyoti Prakash Biswal (Rutherford Appleton Laboratory)

13:40 → 13:45 CMS Operations Report

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

Katy sends apologies; on A/L yesterday and today. This report written on Monday.

Jobs have good efficiency and low failure rate.

(@Brian, the low failure rate to tape has now stopped after invalidation of those 4 files with incorrect checksum value on Echo) 

The new XCache machine (svc42) as AAA proxy which is in production for more than one week, seems to be doing well. 

Still to deal with /unmerged/

13:45 → 13:50 LHCb Operations Report

Speaker: Alexander Rogovskiy (Rutherford Appleton Laboratory)

13:50 → 13:55 ALICE Operations Report

Speaker: Alexander Rogovskiy (Rutherford Appleton Laboratory)

13:55 → 14:00 LSST Operations Report

Speakers: Thomas Birkett, Timothy Noble (Science and Technology Facilities Council STFC (GB))

14:00 → 14:01 Tier-1 Projects

14:05 → 14:10 XRootD Development

Speakers: Alexander Rogovskiy (Rutherford Appleton Laboratory), Jyothish Thomas (STFC)

14:15 → 14:20 Utilizing GPUs

Speakers: Dr Brij Kishor Jashal (Rutherford Appleton Laboratory), Thomas Birkett

14:25 → 14:45 Hardware deployment

Echo SN
WN
GPU

Speaker: Jacob Ward

14:45 → 14:46 AOB

14:50 → 14:59 Summary of Operational Status and Issues

Speakers: Brian Davies (Science and Technology Facilities Council STFC (GB)), Darren Moore, Thomas Birkett

15:00 → 15:05 Any other Business

Speakers: Brian Davies (Science and Technology Facilities Council STFC (GB)), Darren Moore