Pan-European Grid einfrastructure for LHC Experiments at CERN - SCL's Activities in EGEE
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1 Pan-European Grid einfrastructure for LHC Experiments at CERN - SCL's Activities in EGEE Aleksandar Belić Scientific Computing Laboratory Institute of Physics
2 EGEE Introduction EGEE = Enabling Grids for E-sciencE EGEE 1 April March partners in 27 countries, federated in regional Grids EGEE-II 1 April March partners in 32 countries 13 Federations Objectives Large-scale, production-quality infrastructure for e- Science Attracting new resources and users from industry as well as science Improving and maintaining glite Grid middleware
3 EGEE Mission Infrastructure Manage and operate production Grid for European Research Area Interoperate with e-infrastructure projects around the globe Contribute to Grid standardisation efforts Support applications from diverse communities Astrophysics Computational Chemistry Earth Sciences Finance Fusion Geophysics High Energy Physics Life Sciences Multimedia Business Forge links with the full spectrum of interested business partners + Disseminate knowledge about the Grid through training + Prepare for sustainable European Grid Infrastructure
4 EGEE What does it deliver? Infrastructure operation Currently includes >200 sites across 39 countries Continuous monitoring of grid services in a distributed global infrastructure Automated site configuration/management Middleware Production quality middleware distributed under business friendly open source licence User Support Training Documentation Expertise in grid-enabling applications Online helpdesk Networking events (User Forum, Conferences etc.) Future Expand on interoperability with related infrastructures
5 EGEE einfrastructure 243 sites in 50 countries 11 federations ROC s 49K CPU s 16.7 PB of available storage (12.9 PB used) All services provided with multiple redundancy More details available on EGEE-II technical sites
6 einfrastructure snapshot
7 SCL s Recources Committed to EGEE AEGIS01-PHY-SCL site hosted at SCL The largest (Tier-0) site in AEGIS infrastructure (comprising of 5 additional smaller sites) Provides all core services and manages AEGIS VO Technical details Star topology Gigabit Ethernet network, three stacked high-throughput Layer 3 switches (3COM 3870), channel bonding 41 computing nodes, 132 CPUs, 130 ksi2k computing power 8 core services nodes (providing BDII, RB, WMS, MyProxy, VOMS, LFC, UI) Current upgrade (financed by CX-CMCS) Additional 8 computing nodes (32 CPU cores), 57 ksi2k of computing power, amounting to overall 187 ksi2k and 164 CPUs. New storage element, 27 TB of disk space to supported VOs, consists of three disk servers, connected through the Disk Pool Manager interface Those jobs are submitted for execution by one of user communities supported by AEGIS01-PHY-SCL (ATLAS, CMS, AEGIS, ESR, SEE, SEEGRID)
8 SCL s Recources Committed to EGEE Jobs submitted for execution by one of supported user communities (ATLAS, CMS, AEGIS, ESR, SEE, SEEGRID).
9 Where are we now?
10 Where do we go? Further improvements of infrastructure National Grid infrastructure (within AEGIS) Upgrade of AEGIS01-PHY-SCL site New sites Better organisation Further strengthening of AEGIS Institutional financing (AMRES like) Further integration into pan-european einfrastructure EGI = European Grid Initiative EGEE-III, SEE-GRID-SCI,
11 Useful links EGEE: SEE-GRID-2: AEGIS: CX-CMCS:
12 References References (Efficient calculation of path integrals): A. Bogojević, A. Balaž, and A. Belić, Phys. Rev. Lett. 94, (2005); Phys. Rev. B72, (2005); Phys. Lett. A344, 84 (2005); Phys. Lett. A345, 258 (2005); Phys. Rev. E72, (2005); Phys. Low Dim. Struct. 1, 49 (2006); Phys. Low Dim. Struct. 1, 52 (2006). D. Stojiljković, A. Bogojević, and A. Balaž, Phys. Lett. A360, 205 (2006). J. Grujić, A. Bogojević, and A. Balaž, Phys. Lett. A360, 217 (2006).
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