The Australian High Energy Physics Data Grid: Supporting the ATLAS and Belle Experiments Glenn Moloney University of Melbourne ISGC Taiwan July 2004 Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 1
Experimental High Energy Physics in Australia Close collaboration between: • University of Melbourne • University of Sydney • Hold joint research grants (ARC) Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 2
Experimental High Energy Physics in Australia Close collaboration between: • University of Melbourne • University of Sydney • Hold joint research grants (ARC) The Physicists: • 3 Academic Staff • 4 Research Fellows • 12 PhD Students • Technicians - Electronic, Mechanical • 2 Programmers Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 2
Experimental High Energy Physics in Australia Close collaboration between: • University of Melbourne • University of Sydney • Hold joint research grants (ARC) The Physicists: • 3 Academic Staff • 4 Research Fellows • 12 PhD Students • Technicians - Electronic, Mechanical • 2 Programmers Members of two major HEP experiments.. Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 2
The ATLAS experiment: To investigate the origins of mass At the Large Hadron Collider, LHC. Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 3
The BelleExperiment • To measure Charge–Parity symmetry violation in the decay of B mesons 3.5 GeV e − 8.0 GeV e + Located in Tsukuba, Japan. Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 4
Experimental High Energy Physics in Australia: Atlas: • Members of the ATLAS collaboration since 1995 • Contribution to the Silicon Charged Tracker (SCT): • Facilities in Melbourne/Sydney for assembly, wire-bonding and testing of Silicon detector modules • Electon ID software • Participation in ATLAS Data Challenges Belle: • Members of Belle since 1997 • Assembly, wire-bonding and testing of Silicon Vertex Detector (SVD) modules for SVD 1.1, 1.2, 1.5 and 2.0 • Radiation monitoring (Wollongong University) • Development of Grid-based Belle Data Analysis Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 5
Grid Computing Infrastructure in Australia Network Infrastructure: • Australian Aacademic Research Network (AARNET) • GrangeNet: 10 gigabit research backbone connecting: • Melbourne, Canberra, Sydney, Brisbane • Commisioned early 2003 Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 6
Grid Computing Infrastructure in Australia Network Infrastructure: • AARNET3: • Delivering 10 gigabit R&E network to the rest of Australia • Rolling out in 2004 Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 7
International Links to Australia Planned upgrades to international research and education links • 10Gb to US • 100Mb to Singapore • Installed now • within 2 months • Gigabit to Japan • Later Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 8
International Links to Australia Speculation on the future: • Asia Pacific multi gigabit loop Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 9
Computing Resources for HEP We have access to shared linux cluster facilities at: • Australian Partnership for Advanced Computing Canberra • 150 × 2.66 GHz Pentium 4 • Petabyte capable mass data store • Victorian Partnership for Advanced Computing Melbourne • 97 × dual 2.8 GHz Xeon • AC3 Sydney • 155 × dual 3.0 GHz Xeon • University of Melbourne Melbourne • 48 × dual 2.4 GHz Xeon These are all members of the Australian Partnership for Advanced Computing, APAC . A good candidate for an Australian National Grid infrastructure Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 10
The Australian National Grid project The Australian government has provided AU$29m for stage 2 of APAC : “Providing the advanced computing and grid infrastructure for eresearch” • $12.5m for upgrade of peak computing facility Canberra • RFP issued June 30 2004 • National grid infrastructure projects: • Computing infrastructure • Information infrastructure (data grid) • User Interface and Visualisation • Application support projects: • Astronomy • Computational chemistry • Theoretical and experimental high energy physics • LatticeGrid, ATLAS, Belle • Geosciences • Bioinformatics Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 11
The Australian Experimental HEP Data Grid Team Who are we? Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 12
The Australian Experimental HEP Data Grid Team Who are we? • Physicists: • Experimental Particle Physics: University of Melbourne • Falkiner High Energy Physics: University of Sydney Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 12
The Australian Experimental HEP Data Grid Team Who are we? • Physicists: • Experimental Particle Physics: University of Melbourne • Falkiner High Energy Physics: University of Sydney • High Performance Computing: • Australian Partnership for Advanced Computing (APAC) • University of Melbourne • Australian National University (Canberra) • Victorian Partnership for Advanced Computing (VPAC) Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 12
The Australian Experimental HEP Data Grid Team Who are we? • Physicists: • Experimental Particle Physics: University of Melbourne • Falkiner High Energy Physics: University of Sydney • High Performance Computing: • Australian Partnership for Advanced Computing (APAC) • University of Melbourne • Australian National University (Canberra) • Victorian Partnership for Advanced Computing (VPAC) • Computer Scientists: • GRIDS Lab: University of Melbourne • Computer Science: Adelaide University Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 12
Australian Experimental HEP Grid Activities? Atlas • Participate in ATLAS Data Challenges • Participate in the deployment of the LCG tools across APAC grid facilities in Australia. • LCG-2 toolkit • ATLAS application layer. • Implement an LCG Tier 2 in Australia Belle • Introducing Grid techniques to: • Belle physics analysis • Monte Carlo generation Funded by Australian Research Council, APAC and VPAC. Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 13
Participation in ATLAS data challenges: • Data challenges being run by Advanced Research Computing group at University of Melbourne: • Dirk van der Knijff, Robert Sturrock • Melbourne is a member of Nordugrid!! Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 14
Deployment of LCG on Australian Data Grid We plan to deploy the LCG infrastructure across the APAC national grid: • Across APAC, AC3, VPAC and UoM partner facilities. • Supported by APAC information infrastructure project • Will be used for next round of ATLAS data challenges • Build expertise in LCG toolkit amongst Australian grid community • Demonstration for future deployment of ATLAS Tier 2 centre We will also deploy the ATLAS analysis software across these facilities. Establishment of ATLAS Tier 2 data centre Australia plans to host a Tier 2 data centre for ATLAS: • We will ask APAC to host and manage the facility: • as a reserved chunk of the national facility • We will apply to funding body in 2004 • Considering shared facility with New Zealand CMS. Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 15
The Belle Experiment Belle commenced taking data in 1999: • Accelerator luminosity has increased continually since then • World record luminosity: 1 . 39 × 10 34 fb − 1 • Has accumulated a data set of ≈ 1 Petabyte • Data set is increasing by 500 Gigabytes per day Proposed Belle upgrade • Upgrade to 1 × 10 35 fb − 1 • Increase data rate ≈ 10 times. Clear benefits from a Belle data grid Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 16
Current Australian Belle Grid Activities Australian Belle Data Grid Testbed: • “Simple” Data Grid tools could provide real benefits for Belle physicists now : • Data Catalogue (Replica Catalogue) • Network-aware scheduler Initially (3 years ago), we aimed to: • Use standard middleware products wherever possible • Develop simple tools to fill the gaps • Start real data analysis ASAP . The Belle Analysis Software: BASF • Enable BASF to read and write Grid URIs directly • Able to stream data across network • A simple solution which reduces need to stage data Lyle Winton Glenn Moloney The Australian High Energy Physics Data Grid ISGC Taiwan July 2004 17
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