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Grid Deployments and Cyberinfrastructure

Grid Deployments and Cyberinfrastructure. By: Andrew J. Younge. How Do we Make Use of These Tools?. Grid Hierarchy . Cluster Systems. All batch queuing systems!. PBS – Portable Batch System. Used for dedicated Cluster resources Homogeneous clusters with MPI

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Grid Deployments and Cyberinfrastructure

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  1. Grid Deployments and Cyberinfrastructure By: Andrew J. Younge

  2. How Do we Make Use of These Tools?

  3. Grid Hierarchy

  4. Cluster Systems All batch queuing systems!

  5. PBS – Portable Batch System • Used for dedicated Cluster resources • Homogeneous clusters with MPI • Manages thousands of CPUs in near real time • Schedules large numbers of jobs quickly and efficiently • Many different implementations • PBS Pro (not free but advanced) • Open PBS (free but old) • Torque & Maui (free, stable, advanced) • Deployments • Dedicated clusters in academic and corporate settings • Playstation3 Clusters

  6. Condor • Used for dedicated and non-dedicated resources • Typically used to “scavenge” CPUs in places where a lot of workstations are available • Heterogeneous environments • Separate Condor tasks – Resource Management and Job Management • User interface is simple; commands that use small config files • Not good for MPI jobs • Deployments • Campus workstations and desktops • Corporate servers

  7. Grid tools in Condor • Condor-G • Replicates the Job Management functionality • Submission to a grid resource using the Globus Toolkit • NOT a grid service, just a way to submit to a grid • Flocking • Allows for queued jobs in one Condor cluster to be executed on another Condor cluster • Directional flocking (A => B but not B => A) • Unidirectional flocking (A <=> B) • Glidein • Dynamically adds machines to a Condor cluster • Can be used to create your own personal Condor cluster on the Teragrid!

  8. Clusters in Action

  9. BOINC • Desktop based Grid Computing - “Volunteer Computing” • Centralized Grid system • Users encouraged by gaining credits for their computations • Can partake in one or many different projects • Open access for contributing resources, closed access for using grid • Allows organizations to gain enormous amounts of computational power with very little cost. • BOINC is really a cluster and a grid system in one!

  10. BOINC Projects

  11. BOINC Projects (2) Full List of Projects: http://boinc.berkeley.edu/wiki/Project_list

  12. The Lattice Project 1185 3461

  13. The Open Science Grid - OSG • Large national-scale grid computing infrastructure • 5 DOE Labs, 65 Universities, 5 regional/campus grids • 43,000 CPUs, 6 Petabytes of disk space • Uses the Globus Toolkit • GT4, however uses pre-WS services (GT2) • Typically connects to Condor pools • Virtual Data Toolkit (VDT) & OSG Release Tools • NMI + VOMS, CEMon, MonaLisa, AuthZ, VO management tools, etc • VORS – Resource Selector: http://vors.grid.iu.edu/

  14. The TeraGrid • NSF-funded national-scale Grid Infrastructure • 11 Locations – LONI, NCAR, NCSA, NICS, ORNL, PSC, IU, PU, SDSC, TACC, UC/ANL • 1.1Petaflops, 161 thousand CPUs, 60 Petabytes disk space • Dedicated 10G fiber lines to each location • Specialized visualization servers • Uses Globus Toolkit 4’s basic WS services and security protocols • Grid Infrastructure Group (GIG) at U. Chicago • Commity for Teragrid planning, management, and coordination • Science Gateways • Independent services for specialized groups and organizations • “TeraGrid Inside” capabilities • Web Portals, desktop apps, coordinated access points • Not Virtual Organizations (VOs)

  15. TeraGrid Overview Grid Infrastructure Group (UChicago) UW PSC UC/ANL NCAR PU NCSA UNC/RENCI IU Caltech ORNL NICS SDSC LONI TACC Resource Provider (RP) Software Integration Partner

  16. TeraGrid User Portal

  17. EGEE • European Commision funded International Grid system • 250 resource locations, 40,000 CPUs, 20 Petabytes of storage • Originally European grid, but expanded to US and Asia • Uses the gLite Middleware system • Uses Globus’ Grid Security Infrastructure (GSI) • Specialized elements to utilize underlying hardware • Groups organized as Virtual Organizations (VOs) and uses VOMS membership services to enable user privileges • Originally based on the old LHC Grid • EGEE-I Ended April, 2006. Continued on as EGEE-II • Now part of WLCG

  18. Worldwide LHC Computing Grid • Large grid to support the massive computational needs of the Large Hadron Collider at CERN • Project produces >15 Petaflops per year! • WLCG is really a mashup of other grids • EGEE, OSG, GridPP, INFN Grid, NorduGrid • Uses specialized upperware to manage these grids • Multi-tier system for efficiently distributing data to scientists and researchers around the world • Used mostly for ATLAS, ALICE, CMS, LHCb, LHCf and TOTEM experiments

  19. What If we could use all of the Grids together?

  20. Cyberaide Shell • There are many different cyberinfrastructure deployments today. • How do we make sence of them? • How do we use them for our benefit? • Our idea for Cyberaide Gridshell will be to link to these grid deployments • Provide an easy, all-in-one interface for many different grids • Automate scheduling and resource management • Leverage Web 2.0 technologies

  21. References • http://www.cs.wisc.edu/condor/ • http://www.gridpp.ac.uk/wiki/Torque_and_Maui • http://www.opensciencegrid.org/ • http://teragrid.org/ • https://twiki.grid.iu.edu/pub/Education/MWGS2008Syllabus/6_NationalGrids.ppt • http://globus.org/toolkit/ • https://edms.cern.ch/file/722398//gLite-3-UserGuide.html • http://www.eu-egee.org/ • http://lattice.umiacs.umd.edu/resources/ • http://lcg.web.cern.ch/LCG/ • http://grid.rit.edu/lab/doku.php/grid:shell

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