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Deploy Grid in Israel Universities. 5. File replication. Read. Storage. Element. Information ... Israel: Machba to be a certification authority. Authentication: ...

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Deploy Grid testbed in Israel universities


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    1. Deploy Grid testbed in Israel universities Lorne Levinson David Front Weizmann Institute Deploy Grid in Israel Universities

    2. The Grid Problem • Seamless, flexible, secure, coordinatedresource sharing among dynamic collections of individuals, institutions, and resources • Enable virtual organizations (VO)s to share geographically distributed resources as they pursue common goals assuming the absence of: central location, central control, trust relationships. Deploy Grid in Israel Universities

    3. Deploy Grid in Israel Universities

    4. Input “sandbox” DataSets info UI JDL Output “sandbox” grid-proxy-init SE & CE info Output “sandbox” Expanded JDL Job Submit Event Job Query Publish Input “sandbox” + Broker Info Job Status Storage Element (SE) Globus RSL Job Status Job Status DataGRID Job submission Replica Catalogue Information Service Resource Broker (Match requests to resources) Author. &Authen. Job Submission Service (Condor G) Compute Element (CE) Logging & Book-keeping Deploy Grid in Israel Universities

    5. Replica Catalogue (RC) Translates logical FN to physical FN Ask for a LFN Write Read Return PFN SE & CE info Return name & protocol Information Service Publish Ask for LFN Storage Element Writes a file File replication RC only tells where files are In order to get them, one may use Gridftp Deploy Grid in Israel Universities

    6. Deploy Grid in Israel Universities

    7. Reptor Optor Giggle GDMP RepMeC Data Management future : Reptor: The Next Generation Replica Manager Replica Manager Client Optimization Transaction Consistency File Transfer Postprocessing Preprocessing Replica Location Subscription Replica Metadata Deploy Grid in Israel Universities

    8. The Grid is NOT (yet) • Not: Super computing • The trend: Many PCs rather than a big computer • Not: Can not guarantee fastresponse, mainly because of network limitations • Not (yet) : A total solution for distributed computing • Batch rather than interactive or stream oriented:Examples: the grid is not geared to • Support games • Show a lecture on line • Not (yet) : Ultimate parallel computing solution • Supported class: Embarrassingly Distributed (ED) Deploy Grid in Israel Universities

    9. Classes of parallel computing Supported by Grid Deploy Grid in Israel Universities

    10. Assumptions • Grid should be functional • Users are scientists • Prefer open source • Run on Linux RedHat 7.3 Deploy Grid in Israel Universities

    11. How? • Define priorities for required functionality and suppliers of relevant SW packages • Support wide functionality scope. Each institution will select its subset • Find best, up-to-date, reasonably tested, set of SW packages • Honor Glue - USA-Europe collaboration • The actual content and versions will change because SW is evolving • Stick to one SW provider that does exactly that Deploy Grid in Israel Universities

    12. LHC Computing Grid - LCG • LCG is the project that selects at tests computing grid SW for LHC experiments in CERN • LCG will supply highly integrated Grid SW • Utilizes American and European Grid SW • Honors GLUE: America-Europe collaboration Deploy Grid in Israel Universities

    13. LCG main SW suppliers • Globus: A bag of Grid services • GSI: Grid Security Infrastructure • GRAM: Grid Resource Allocation & Management • MDS: Monitoring and Discovery Service • GridFTP: file transfer over the net • VDT: • Condor-G: Submit jobs and monitor job consistency • EDG: • Resource Broker: Select on what Computing Element (CE) to submit job • Data replication • VOMS: Virtual Organization Management System • TBD: LCFG: Installation and configuration • GLUE: • Make sure that USA and Europe grid SW work together Deploy Grid in Israel Universities

    14. LHC Computing Grid - LCG USA Europe Deploy Grid in Israel Universities

    15. LCG-1 Components 1/2003 Deploy Grid in Israel Universities

    16. LCG-1 Components 3-5/2003 Dilemma: Should the more advanced, but less tested version be used? Deploy Grid in Israel Universities

    17. Grid functionality: Security Deploy Grid in Israel Universities

    18. Grid functionality: Job submission Deploy Grid in Israel Universities

    19. Grid functionality: Data management Deploy Grid in Israel Universities

    20. Grid functionality: Information services Deploy Grid in Israel Universities

    21. Grid functionality: Graphical User Interface (GUI) Deploy Grid in Israel Universities

    22. Links • Globus Project™ • www.globus.org • Global Grid Forum • www.gridforum.org • European Data Grid EDG • http://eu-datagrid.web.cern.ch/eu-datagrid/ Deploy Grid in Israel Universities