RAL Tier1 Experiments Liaison Meeting

Wednesday 27 Nov 2024, 13:30 → 15:50 Europe/London

Access Grid (RAL R89)

13:30 Experiment Operational Issues

1 VO-Liaison ATLAS

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

Meeting notes ATLAS liason Brij

2 VO Liaison CMS

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

3 VO Liaison LHCb

Speaker: Alexander Rogovskiy (Rutherford Appleton Laboratory)

66e97fc61e153d0f192f57cbcc447761.png

Tickets:

• VO-box access (GGUS 168905)
  • Sandbox is ready for review

Operational issues:

• Failed uploads from RAL WNs to CERN (GSTM-235)
  
  • The workflow that uses this channel turned out to be not very new -- used by more than a year
  • Failures started only recently
  • Can we get network plots for the affected generations to confirm/disprove suspected network issue? 
• Site network problems this mornig
  
  • Caused some upload and job failures

4 VO Liaison ALICE

Speaker: Alexander Rogovskiy (Rutherford Appleton Laboratory)

Network issue this morning had minor impact.

5 VO Liaison LSST

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

FTS now running slow due to only one node remaining in LCGFTS for internal tests for various issues

LSST note there is a problem between FTS01 and Echo, all transfers that involve 01 and echo fail, while other endpoints are fine

Tom moving forward with VOBox access for LSST - plan to use LSST VO certs for access - move VOBox to outside access to allow this rather than jump through the UI

6 VO Liaison APEL

Speaker: Thomas Dack

7 WP-D - GPU, Data Management, Other

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

15:00 Major Incidents Changes

8 Summary of Operational Status and Issues

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

Weekly Report 27 November 2024.docx

Weekly Report 27 November 2024.pdf

15:20 AOB

9 Any other Business

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