IN2P3 activities in Worldwide LHC Computing Grid (WLCG) Frédérique Chollet (IN2P3-LAPP, Annecy) on behalf of the LCG-France project Fairouz Malek, Fabio Hernandez LCG-France Scientific and Technical project leaders Dom inique Boutigny IN2P3 Computing Centre Director ISCG2006, Taipei, May 2006
Contents • Context : WLCG and EGEE • LCG-France Project • LCG-France Contribution • Collaborating to EGEE/LCG activities • Future Work 2 F. Chollet IN2P3 – LAPP – Annecy, France
Worldwide LHC Computing Grid • Goal : set up the global data storage and analysis infrastructure for the entire High Energy Physics community • Large Hadron Collider (LHC) currently being built at CERN, begins operation in 2007 • Funding Principle : LHC computing resources will not be centralised at CERN • A data handling problem � 15 Petabytes of data /year � four–tiered data distribution model � Challenge for 100 sites in 20 countries � Service hierarchy over � Tier 0 : CERN � Tier-1 : Large centres � Federation of smaller Tier-2s centres • Website : http://lcg.web.cern.ch/LCG/ 3 F. Chollet IN2P3 – LAPP – Annecy, France
EGEE • EU supported project • Goal : build a large-scale production-quality infrastructure for e-Science • EGEE II : Natural continuation of the project’s first phase � 1 April 2006 – 31 March 2008 � 91 partners in 32 countries � 10 applications from 7 scientific domains � Sustained 10,000 jobs/day • Pilot applications � High-Energy Physics & Biomedical Applications � Similar computing and data storage requirements � Additional challenge for Biomedical : security & privacy • EGEE Website http://www.eu-egee.org 4 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France Project • French Initiative dedicated to LHC computing • Partners : High Energy Physics actors • Aims : � provide a funded Tier 1 centre and an Analysis facility in CC-IN2P3, Lyon supporting the 4 LHC experiments � promote the emergence of Tier 2 centres � With help of Regional funding agencies, Universities… � establish collaboration with others Tier 1 and Tier 2 sites � make agreements on International MoU commitments with WLCG project 5 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France Partners • IN2P3: National Institute of Nuclear Physics and Particle Physics of the National Centre for Scientific Research (CNRS) � Mission: promote and federate research in Particle Physics � 2400+ people of whom 800+ permanent scientists � 18 laboratories • CEA-DAPNIA : Atomic Energy Commission (CEA) • Shared CC-IN2P3 computing centre in Lyon 6 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France Organization Scientific Projet leader : Overview Board Fairouz Malek (IN2P3/LPSC) Technical Project Leader : WLCG Fabio Hernandez (CC-IN2P3) project Project Management Board Technical coordinator for Tier2 CB, POB, MB, and Tier3 : � Scientific project leader GDB Frédérique Chollet (IN2P3/LAPP) � Technical project leader � Management representatives LCG-France Website http://lcg.in2p3.fr Tier 1 centres CC- Tier-2 LHC LCG Tier-1 Team CC- Tier-2 LHC LCG Tier-1 Team IN2P3 Applications Grid Operations & IN2P3 Applications Tier-2 Grid Operations & Tier-2 Director Group Support Director Group Support Tier-2 Tier-2 7 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France Services Hierarchy IFIC MSU RAL/UK IC BNL/US IFCA Tier- -3 Centres 3 Centres Tier UB CNAF/IT LAPP General purpose Research Network 10 Gbit link Optical GridKa/DE GRIF Tier- -0 0 Tier Private Network CPPM CCIN2P3/FR IN2P3-LPC IN2P3-Subatech Tier- Tier -2s 2s PIC/SP CSCS ... Tier- -1s 1s Tier Taipei TRIUMF/CA Canada SARA/NL ASCC/Taipei Rome CIEMAT USC Krakow 8 F. Chollet IN2P3 – LAPP – Annecy, France
LCG France Contribution to Grid Infrastructure • LHC Grid Computing relies on the grid infrastructures provided by EGEE (Europe and Asia Pacific) and Open Science Grid (USA) T1 + Analysis f acilit y • CC-I N2P3, Lyon T2 • GRI F, I le de France • LPC, Clermont • Subat ech, Nant es T1+AF T3 • LAPP – Annecy • CPPM – Marseille 9 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France Network Connectivity • Optical circuits Lyon – Geneva � 10 Gb/s � Operated by RENATER French NREN � Operational since jan 2006 • Tier-2s connectivity through RENATER � 1 Gb/s 10 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France T1 Contribution • Global requested Computing Resources For all experiments in 2008 All Tier-1s All Tier-2s Total CERN (T0 + AF) 25 M 56 M 61 M 142 M CPU (SpecInt2000) 7 31 19 57 Disk (PB) 18 35 53 Mass Storage (PB) Contribution of the French Tier-1 (CC-IN2P3) • MSS CPU DISK 12% 12% 10% Other Tier-1 CC-IN2P3 90% 88% 88% Source: Draft W-LCG Memorandum of Understanding - Nov. 16th 2005 11 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France T1 Contribution (cont.) • French Tier-1 contribution per LHC experiment 30% 25% 20% 15% 10% 5% 0% Alice Atlas CMS LHCb 9% 13% 10% 27% CPU 8% 12% 11% 27% Disk 8% 13% 7% 26% MSS 12 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France T2 Contribution • Role : • 3 Tier-2s : � Production of simulated data � GRIF Ile de France � LPC Clermont-Ferrand � General end-user analysis (batch and interactive mode) � Subatech Nantes � Provision of managed disk storage For all experiments in 2008 GRIF LPC Subatech Total 1120 k 300 k 200 k 1,62 M CPU (SpecInt2000) 296 25 20 341 Disk (TB) Atlas,LHCb, Atlas,LHCb, LHC Experiments Alice CMS, Alice Alice 13 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France T2 contribution (cont.) • GRIF (Ile de France) Grille de Recherche Ile de France Scientific Projet leader: J.-P. Meyer (CEA/DAPNIA) Technical Project Leader : M. Jouvin (IN2P3/LAL) Website :http://ww.grif.fr Tier 2 facility for Paris Region : Federation open to the 4 LHC experiments and other EGEE user communities (VOs) � a joint project of several laboratories : DAPNIA (CEA), IPNO (IN2P3, Orsay), LAL (IN2P3, Orsay), LLR (Ecole Polytechnique, Palaiseau) and LPNHE (IN2P3,Paris 6/7) � a unique resource distributed over several sites (Global configuration consistency assumed by Quattor) Current aggregated resources for LCG: CPUs (120 kSI2k), Disk 32 TB 14 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France T2 contribution (cont.) • LPC (Clermont-Ferrand ) Laboratoire de Physique Corpusculaire Scientific Projet leader: D.Pallin (IN2P3/LPC) Technical Project Leader : J.C Chevaleyre (IN2P3/LPC) Websites : http://clrwww.in2p3.fr - http://www.auvergrid.fr Very active partner of Biomedical applications within EGEE � Success Story : speed up of Malaria drug discovery � Support for LHC and Computing Platform for Life Science � AuverGrid : Regional Grid in Auvergne around LPC Clermont-Ferrand is also one of the main nodes providing resources to the biomedical virtual organization in EGEE. Current resources for LCG: CPUs (200 kSI2k), Disk 25TB @ Ville de Clermont-Ferrand 15 F. Chollet IN2P3 – LAPP – Annecy, France
LCG-France T2 contribution (cont.) • Subatech (Nantes ) Laboratoire de Physique Subatomique et des Technologies Associées Scientific Projet leader: L. Aphecetche Technical Project Leader : JM. Barbet Tier 2 facility for Alice experiment only Website : http://www-subatech.in2p3.fr/ Current resources : CPUs (20 kSI2k), Disk 4 TB 16 F. Chollet IN2P3 – LAPP – Annecy, France
Collaborative Activities • Validation Program : Series of Service Challenges for validating � Infrastructure � Middleware services � Operational procedures � Integration of experiment software with generic middleware… • Contribution to Global Grid Operations of EGEE � Process � Infrastructure « True collaboration as all Tier-1s, federations and Regional Operations Centres are involved » 17 F. Chollet IN2P3 – LAPP – Annecy, France
SC4 Validation Program • SC4 started 1rst of April 2006 � Sustained Data Distribution rates CERN Tier-1s � Services ramped up to target levels of reliability and end-to-end performance � Full demonstration of experiment offline chain • Extension of the service to Tier-2 sites � first step …provision of � managed, grid enabled disk storage (SRM) � network connectivity (at least 1GB/s) � But also…exercise the sharing of responsibilities � LCG-France Technical Tier-2s and Tier-3s coordination started on the 1rst of April as well � Tier-2s Workshop 12-16 Jun at CERN • Jun-Sep 2006 – SC4 – pilot service 18 F. Chollet IN2P3 – LAPP – Annecy, France
SC4 Validation Program • Tier0 Tier1 : Disk (CERN) to disk (CC-IN2P3) Target: 200 MB/sec 19 F. Chollet IN2P3 – LAPP – Annecy, France
SC4 Validation Program • Tier0 Tier1 : Disk (CERN) to tape (CC-IN2P3) Target: 75 MB/sec 20 F. Chollet IN2P3 – LAPP – Annecy, France
EGEE Grid Operations • EGEE Operations process & infrastructure � Started November 2004 � There is no “central” operation but 6 teams working in weekly rotation � CERN, IN2P3, CNAF, RAL, Russia,Taipei � Monitoring and alarm management tools developed and hosted at different sites � GOC DB (RAL), SFT (CERN), GStat (Taipei), GGUS (FZK) • Putting all together… 21 F. Chollet IN2P3 – LAPP – Annecy, France
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