Recent grid activities at INFN Catania(*) Roberto Barbera

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1 RecentgridactivitiesatINFNCatania(*) RobertoBarbera workincollaborationwithnicesrl (*) HEPiX/HEPNT2002,Catania, CHEP2000, RobertoBarbera

2 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration Outline GridComputing: why? how? who? where? GENIUS:awebportalforthegrid livedemo! Conclusionsandoutlook. HEPiX/HEPNT2002,Catania, RobertoBarbera

3 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration High Energy Physics LHC 9km SPS CERN HEPiX/HEPNT2002,Catania, RobertoBarbera

4 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration High Energy Physics HEPiX/HEPNT2002,Catania, RobertoBarbera

5 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration High Energy Physics HEPiX/HEPNT2002,Catania, RobertoBarbera

6 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration ATLAS High Energy Physics CMS ~6 8PetaBytes/year ~108events/year ~103batchandinteractiveusers LHCb HEPiX/HEPNT2002,Catania, RobertoBarbera

7 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration Computational bio-medicine HEPiX/HEPNT2002,Catania, RobertoBarbera

8 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration Computational bio-medicine HEPiX/HEPNT2002,Catania, RobertoBarbera

9 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration Computational bio-medicine HEPiX/HEPNT2002,Catania, RobertoBarbera

10 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration Earth Observations HEPiX/HEPNT2002,Catania, RobertoBarbera

11 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration Earth Observations HEPiX/HEPNT2002,Catania, RobertoBarbera

12 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration HEPiX/HEPNT2002,Catania, RobertoBarbera

13 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration HEPiX/HEPNT2002,Catania, RobertoBarbera

14 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration 14

15 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration Middleware has been realeased but EDGsoftware(Globus,UI,JDL,WP2,WP3,etc.)containstensof commands/switcheswhichalsohavetheirownlogicalsequences( B after A, C before D andsoon). BrowsingGridVO directories (users,rc s,db s,etc.)requiresldap speaking andtomorrowcouldrequiresql speaking. Usergridification isatoughtaskfora rookie howdoesthisfitwith theclaimthatweare doinggrids foreverybodyandthatgridcomputing willbeaseasyassurfingtheinternet? Furthermore,allthisholdsforDataGrid.Whatwillhappenwhenother grids software(especiallyui s)willcomeup(ppdg,ivdgl,etc.)?will usershavetolearntensof griddialects? Today gridcomputing isaratherstrugglingexperiencewhichyoucando onlyatselectedmachines(ui s) howdoesthisfitwiththeclaimthatone coulddo gridcomputing evenfromapda? Isthereanywaytoset upa user friendly grid? HEPiX/HEPNT2002,Catania, RobertoBarbera

16 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration A web portal: why and how? Itcanbeaccessedfromeverywhereandby everything (desktop,laptop,pda,wapphone). Itcankeepthesameuserinterfacetoseveral back ends(grid dialects command lineui s). Itmustberedundantly secure atalllevels:1) secureforwebtransactions,2)secureforuser credentials,3)secureforuserauthentication,4) secureatvolevel. Allavailablegridservicesmustbeincorporatedin alogicway,just onemouseclickaway. Itslayoutmustbeeasilyunderstandableanduser friendly. 16 HEPiX/HEPNT2002,Catania, RobertoBarbera

17 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration GENIUS (Grid Enabled web environment for site Independent User job Submission) GENIUSwebportal Applications specific layer ALICE DataGRID architectu re GLOBU S toolkit ATLAS CMS LHCb Other apps High level GRID middleware Basic Services OS & Net services HEPiX/HEPNT2002,Catania, RobertoBarbera

18 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration GENIUS: GENIUS how it works https+java/xml+rfb WEBBrowser L ocal WS EnginFrame Apache ED G UI EDG+GSI thegrid 18 RobertoBarbera

19 UI JDL Input sandbox tu s ExpandedJDL + Jo JobStatus fo In r ke ro B JobSubmission Service Compute Element Publish ox db ox db an n sa s bs ta info ut tp Ou gr id CE t pu In JobQuery JobSubmitEvent Logging& Book keeping Information Service SE& GlobusRSL JobStatus DataSetsinfo Resource Broker Author. &Authen. Replica Catalogue Output sandbox p ro x y in it Job Submission work-flow Storage Element

20 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration Present status and perspectives CurrentimplementationofGENIUSalreadyincludes: securewebtransactionsanduserauthenticationand authorization; browsingofremotefilesandcreationofnewones; interfacesforjobsubmission/control(multiplerb s),to VOservers(users andrc s),andtomonitoring systems; persistent(personal)book keepingandspoolersystem interactiveanalysis! Todo: multi jobs(parallelandsequential); interfacetodatamanagementandothergridservices; moreexperiment specificcustomizations; web guidedcreationofjdlscripts. 20 RobertoBarbera

21 DipartimentodiFisicadell UniversitàdiCataniaandINFNCatania Italy ALICECollaboration Conclusions and outlook Computationalgridsare sold astheframework ofthehighlydistributedcomputingmodelsofnext generationhighenergyphysicsexperiments,bio medicsandearthobservations. Gridsarealsopresentedasthesolutiontobring enormouscomputingpowerandmassstorageto theindividualslikethewebdidwithinformation. But,ifwereallywanttoturndreamsinto reality,let smaketheirusesimpleand easyforthenewusers. 21 RobertoBarbera

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