GridPP Technical Meeting

Saturday 27 May 2017, 10:00 → 12:00 Europe/London

Virtual Only

Andrew McNab (University of Manchester), David Colling (Imperial College Sci., Tech. & Med. (GB))

Fortnightly meeting for technical topics looking further ahead than the weekly ops meetings on Tuesdays. There are also dedicated storage group meeting on Wednesdays. Each topic can go beyond the nominal 5 minute slot whenever necessary.

Notes from (short) Techniocal meeting

 

VAC 

 

No Report

 

ATLAS 

Testing  pilots running singularity at Glasgow and is working. Glasgow are running on CentOS 6 whereas most people are running on CentOS 07.   Also a big push with NorduGrid sites.

Atlas are happy to run on straight, bar bones CentOS 7.

CMS

 

Not too much going on. Setting up a CPU inefficiency task force is being set up.

 

LHCb

No Report

 

GridPP Dirac

 

Nothing to report

 

Sites running VAC, clouds etc

There are problems running single and multicore VMs running on the same machine.

There will be a call for participation in the cloud-sig taskforce on HTC on clouds

Storage Evolution

Testing http third party copies seem to be having problems in testing in some configuration (especially when using davex but gfal seems to work).

There is also work going to test xrootd caching testing go on around the country.

 

Security

WLCG workshop will have a talk about the security aspects of singularity.

 

 

10:00 → 10:05 Tier-2 Evolution: Jobs in VMs

10:05 → 10:10 Tier-2 Evolution: Storage

Speaker: Samuel Cadellin Skipsey

10:10 → 10:15 Development of GridPP services

e.g. the GridPP DIRAC service

10:15 → 10:20 Other updates from the Storage Group

10:20 → 10:25 Networking including IPv6

10:25 → 10:30 Security

Speaker: Ian Neilson (STFC RAL (GB))

10:30 → 10:35 AoB

10:35 → 10:55 Centos 7