WLCG Collaboration Workshop (in conjunction with GridPP)

Session

WLCG Service Issues

Jul 7, 2010, 9:00 AM

Lecture Theatre 1 (London, UK)

0. The WLCG Service from a Tier2 Viewpoint

Duncan Rand (Imperial College)

7/7/10, 9:00 AM

1. The WLCG Service from a Tier1 Viewpoint

Andrew Sansum (Particle Physics), Gareth Smith (STFC (RAL))

7/7/10, 9:30 AM

2. The WLCG Service from the Experiments' Viewpoint

Graeme Andrew Stewart (University of Glasgow)

7/7/10, 10:00 AM

3. Service Incident Reports - Analysis of Key Issues over last 1-2 Quarters

Edoardo Martelli (CERN), WLCG Service Coordination team

7/7/10, 11:00 AM

• Adopt a common format (template will be linked from WLCG ops page)
• Adopt standard and clear terminology: MoU service degradation (20%, 50%, interruption) and site(s) / services affected
• More work required: on multi-site / multi-party problems.

4. Dealing with prolonged site downtimes

Daniele Bonacorsi (INFN)

7/7/10, 11:30 AM

• Agree on common strategy and scenarios as far as possible (some experiment-specific decision points and timelines but outline should be clear and agreed)
• Follow at WLCG T1SCM

5. Resource Utilisation (network, I/O, CPU,..)

Ian Fisk (Fermi National Accelerator Laboratory (FNAL))

7/7/10, 12:00 PM