Open Science Grid Open Science Grid: Beyond the Honeymoon Dane Skow Fermilab September 1, 2005.

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Presentation transcript:

Open Science Grid Open Science Grid: Beyond the Honeymoon Dane Skow Fermilab September 1, 2005

October 25, th EGEE Conference: Dane Skow 2 Open Science Grid What is OSG ? OSG the Consortium –Collaboration of contributors building the grid OSG the Grid –The collection of services which do work OSG the collection of Vos –The scientist and their $$$ OSG the “project” –The construction and persistent operation of the core

October 25, th EGEE Conference: Dane Skow 3 Open Science Grid Who is using OSG ? The Virtual Organizations –High Energy and Nuclear Physics CMS, ATLAS, STAR, DZero, CDF, Fermilab –Physics and Astronomy LIGO, SDSS, Auger, DES –Biology fMRI, GADU, GRASE, GLOW –Engineering GRASE, GLOW –Computer Science iVDGL, GLOW User Support is entirely provided by the Vos

October 25, th EGEE Conference: Dane Skow 4 Open Science Grid One science success story Genome Analysis and Update tool (GADU) –Comparative analysis of newly published genomes against known set –1 bacteria genome sparks 12,000 step processing job –Auto processing frees researchers –Rapid turn around and publication boosts whole community See article in Science Grid This Week: ow_ html ow_ html

October 25, th EGEE Conference: Dane Skow 5 Open Science Grid Learning to Share Share the resources –Expressing policy clearly is tough –Biggest concern is access at time of owner need Share the information –Willingness, but different terminology and assumed context –Have to avoid “lecture mode” Share the frustrations –Have to avoid the “blame game”

October 25, th EGEE Conference: Dane Skow 6 Open Science Grid What’s Happening ? July 20, 2005 “Grand Opening” –Currently operating a Grid Preparing Release 0.4 for December 2005 –“Release” is a definition of a function set Integrating new participants –Council members: TACC –Grid participants: DOSAR, Dartmouth, DES, Accelerator, Nanohub Developing Partnership plans –EGEE/LCG and TeraGrid primary focus

October 25, th EGEE Conference: Dane Skow 7 Open Science Grid OSG Production 46 CEs, CPUs 6 SEs

October 25, th EGEE Conference: Dane Skow 8 Open Science Grid Recent Production Statistics October, 2005 Queued Jobs Running Jobs

October 25, th EGEE Conference: Dane Skow 9 Open Science Grid OSG Integration 30 CEs, 4952 CPUs

October 25, th EGEE Conference: Dane Skow 10 Open Science Grid Service Oriented Architecture “Interfaces not Implementations” We strive, with mixed success, to define functional requirements to allow multiple implementations Pragmatic pressures often require specification by implementation We are strongly guided by the EGEE architecture Path to Nirvana likely to be long…

October 25, th EGEE Conference: Dane Skow 11 Open Science Grid Standards-based, open software However, time between development standardization and deployment has been significant VDT is primary software integrator Pacman used for software distribution Software distributed is reference implementation OSG infrastructure does not distribute nor manage application software

October 25, th EGEE Conference: Dane Skow 12 Open Science Grid OSG Services Helper Services Security Services Data Services Information & Monitoring Services Job Management Services Workload Management Accounting Package Manager Job Provenance Computing Element Network Monitoring Job Monitoring Service Discovery Bandwidth Allocation & Reservation Service Authorization Service Authentication Auditing Metadata Catalog Storage Element Data Movement File & Replica Catalog Configuration & Installation Service Agreement Service Dynamic Connectivity Key: OSG Specific EGEE Compatible VO Service TBD Release 0.2Release 0.4 Information & Monitoring

October 25, th EGEE Conference: Dane Skow 13 Open Science Grid Release 0.4 Focus Areas Deployment Document (OSG Doc #300) is definition document of functional requirements for services Storage –CE/SE Data Integration –Access Methods –Authorization and Access Control –Resource Management

October 25, th EGEE Conference: Dane Skow 14 Open Science Grid Release 0.4 Focus Area Edge Services Framework –VO’s need specialized persistent services to most efficiently utilize resources (CE) –Provide framework for providing VO control of a sandboxed environment Working with Globus team on Xen Virtual Machine technology First focus on operations advantages, then on security options

October 25, th EGEE Conference: Dane Skow 15 Open Science Grid Release 0.4 Focus Area Web Services –VDT incorporates Globus v4 –WS GRAM –MDS4, service container, … Deploying now on ITB –Simplify integration and evaluation of gLite components –Evaluate and understand Clarens –Begin understanding and evaluation of OGSA

October 25, th EGEE Conference: Dane Skow 16 Open Science Grid Release 0.4 Focus Area Operational Efficiencies –Grid function Performance metrics not robust and well understood –OSG growth Current operations overhead too high –Registration human mediated –Monitoring and response as well

October 25, th EGEE Conference: Dane Skow 17 Open Science Grid Release 0.4 Focus Area Workload Management –Service Catalogs Clarens Discovery service GridCat –Job Placement Most everyone using Condor tools –Accounting Have agreed on GGF UR format with EGEE and TeraGrid Remains VO scope component in this release

October 25, th EGEE Conference: Dane Skow 18 Open Science Grid What’s Next ? Develop sustaining funding plan for core infrastructure –Have no core staff now. –Meeting with US funding agencies this week Develop “Grid of grids” framework –EGEE model currently direct contact of resources –TeraGrid working on gateway with OSG Determine participation thresholds/model –TANSTAAFL (“There Ain’t No Such Thing As A Free Lunch” - Robert Heinlein) Answer the “What’s in it for me?” question –How do we broker exchanges of value ? Oh yes, and get the science done !

October 25, th EGEE Conference: Dane Skow 19 Open Science Grid How will this Grid be Used ?