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简介：TheNearbySupernovaFactoryProjectwillprovideauniqueopportunitytobringtogethersimulationandobservationtoaddresscrucialproblmsinparticleandnuclearphysics.ItsdgoalistosignificantlyenhanceourunderstandingofthenuclearprocessesinsupernovaeandtoimproveourabilitytousebothTypeIaandTypeIIsupernovaeasreferencelightsources(standardcandles)inprecisionmeasurementsofcosmologicalparameters.Overthepastseveralyears,astronomersandastrophysicistshavebeenconductingin-depthskysearcheswiththegoalofidentifyingsupernovaeintheirearliestevolutionarystagesand,duringthe4to8weeksoftheirmost"explosive~activity,measuretheirchangingmagnitudeandspectra.ThesearchprogramcurrentlyunderdevelopmentatLBNLisanearth-basedobservationprogramutilizingobservationalinstrumentsatHaleakalaandMaunaKea,HawaiiandMt.Palomar,California,Thisnewprogramprovidesademandingtestbedfortheintegrationofcomputational,datamanagementandcollaboratorytechnologies.Aciticalelementofthiseffortistheuseofemergingworkflowmanagementtoolstopermitcollaboratingscientiststomanagedataprocessingandstorageandtointegrateadvancedsupernovasimulationintothereal-timecontroloftheexperiments.Thispaperdescribestheworkflowmanagementframeworkfortheproject,discussessecurityandresourceallocationrequirementsandreviewsemergingtoolstosupportthisimportantaspectofcollaborativework.

简介：Industryexpertsareincreasinglyfocusingonteamproductivityonteamproductivityasthekeytosuccess,thebaseoftheteameffortisthefour-foldstructureofsoftwareintermsoflogicalorganisation,physicalorganisation,managerialorganisation,anddynamicalstructure.WedescribetheideasputintoactionwithintheCMSsoftwarefororganisingsoftwareintosub-systemsandpackages,andtoestablishconfigurationmanagementinamultiprojectenvironment.Weuseastructurethatallowstomaximisetheindependenceofsoftwaredevelopmentinindividualareas,andatthesametimeemphasisestheoverwhelmingimportanceoftheinterdependenciesbetweenthepackagesandcomponentsinthesystem.Wecommentonreleaseprocedures,anddescribetheinter-relationshipbetweenrelease,development,integration,andtesting.

简介：ＡｐｐｌｉｃａｔｉｏｎｏｆＦｏｘｐｒｏｔｏＭａｎａｇｅｍｅｎｔｏｆＡｒｔｉｃｌｅｓ￥ＨｕａｎｇＴｕａｎｈｕａＴｈｅｄａｔａｂａｓｅｍａｎａｇｅｍｅｎｔｓｙｓｔｅｍｏｆＦｏｘｐｒｏ２．５ｆｏｒｗｉｎｄｏｗｓｉｓａｐｏｐｕｌａｒｓｏｆｔｗａｒｅｆｏｒｄａ...

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简介：Recentlythetroublesrelatedtothenetworksecurityhaveoftenoccurredattacks.Itconsistsoftwofundamentalthinge;themonitoringandtheaccesscontrol.Tomonitorthenetwork,wehaveinstalledtheintrusiondetectioinsystemandhavemanageditsince1998,Forthesecondthing,wearrangedthreecategoriestoclassifyallhosts(about5000hosts)atKEKaccordingtotheirsecuritylevel.Torealizethesethreecategories,wefiltertheincomingpacketfromoutsideKEKwhetherithasaSYNflagornot.Thenetworkmonitoringandtheaccesscontrolproducedgoodeffectsinkeepingoursecuritylevelhigh.Since2000wehavestartedthetransitonofLANfromshared-medianetworktoswitchednetwork.NowalmostpartofLANwasre-configuredandinthisnewLAN10Mbps/100Mbps/1GbpsEthernetaresupported.Currentlyweareplanningfurtherspeedup(10Gbps)andredundancyofnetwork.NotonlyLANbutalsoWAN,networkspeedwillbeupgradedto10GbpsthankstothestrongpromotionofITbyJapanesegovernment,Inthisveryhighspeednetwork,ourcurrentstrategywillbeaffectedandagainthenetworksecuritybecomesabigissue,Thispaperdescribesourexperiencesinpracticeofthecurrentstrategyandmanagementknow-howtogetherwiththediscussiononthenewstrategy.

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简介：InthisarticlewewillintroducethesystemstructureofamodelbuiltforBESdatamanagementandstorageaswellasthebasicmethodsonhowtoestablishthesystem.Additionallytheanalysisofthedatastructure,thedataprocess,theselectionofexperimentalprogram,theimagemanipulationandthekeytechniqueswillbediscussedindetail,Themodelimplementsthesetupofthesystemenvironmentandallthosefunctionsfromdataloading,databasecresting,dataaccessing,remotedataprocesstodatafiguring.

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简介：TheItalianGovernmenthasrecentlyapprovedtheconstructionofaNationalCenterforOncologicalHadrontherapy(CNAO),TERA(FoundationforOncologicalHadrontherapy)willleadthehightechnologyprojectsoftheCNAO,whosemachinedesignisaspin-offtothemedicalworldofthecollaborationwithCERN.TheCERNEDMS(EngineeringDataManagementSystem)wasinitiallylaunchedatCERNtosupporttheLHCprojectbuthassincebecomeageneralserviceavailableforalldivisionsandrecognizedexperiments.AsTERAiscloselyassociatedtoCERN,TERAdecidedtoprofitfromEDMSandtouseittosupporttheambitiousQualityAssuranceplanfortheCNAOproject.WiththisEDMSprojectTERAtransfersknow-howthathasbeendevelopedintheHEPCommunitytoasocialsectorofmajorimportancethatalsohashigh-densityinformationmanagementneeds.ThefeaturesavailableintheCERNEDMSsystemprovidethetoolsformanagingthecompletelifecycleofanytechnicaldocumentincludingadistributedapprovalprocessandacontrolleddistributedcollaborativeworkenvironmentusingtheWorldWideWeb.Thesystemallowsmanagementofstructuresrepresentingprojectsandrelativedocumentsincludingdrawingswithinworkingcontextsandwithacustomizablereleaseprocedure.TERAiscustomizingCERNEDMStodocumenttheCNAOprojectactivities,toensurethatthemedicalaccelecratoranditsauxiliaryinstallationscanbeproperlymanagedthroughoutitslifecycle,fromdesigntomaintenanceandpossiblydismantling.ThetechnicalperformancerequirementsofEDMSareidenticaltothoseforLHCandCERNingeneral.Wewilldescribewhatwehavelearnedabouthowtoset-upanEDMSproject,andhowitbenefitsachallenginginitiativeliketheCNAOProjectoftheTERAcollaboration.Theknowledgemanagedbythesystemwillfacilitatelaterinstallationsofsimilarcenters(plannedforLyonandStockholm)andwillallowthereuseofexperiencegainedinItaly.

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简介：HL-2Aisadivertortokamakwithnoncircularplasmacross-section,itcanoperateinsingle-nullordouble-nullplasmadischarges.Thetoroidalandpoloidalcoils,vacuumvesselandsupportingstructureofHL-2AcomefromtheformerASDEX,Germany.

简介：Oneofthekeycomponentsofanygridarchitectureismanagingcomputeandstorageresourcesandoptimizingtheirutilization.SAMhasimplementedfeaturesthatallowittoexercisea"fairshare"and"prioritized"policyamongmanygroupsofusers.Thegoalsareasfollows:1)implementthexperimentspoliciesforresourceusagebyresearchgroupandbydataaccessmode,and2)optimizetheresourceusagetomaximizetheoverallthroughputdefinedintermsofrealdataprocessingactivity,AtthelowestlevelofSAMarchitecture,calledthestation,theSAMsystemintegratesthedatadeliveryandcachemanagementwiththejobcontrolandschedulingofthebatchsystem.Atthesite-level,forexampleatFermilab,requestsfordatafromon-sitestationsaremanagedtooptimizeMassStorageSystemresourcesandnetworkthroughput,Managementofresourcesatavariousgeographiclevelsarediscussed.

简介：Thedolly+isaLinuxapplicationprogramtoclonefilesanddiskpartitionimagefromaPCtomanyothers.Byusingseveraltechniquessuchaslogicalringconnection,multithreadingandpipelining,itcouldachievehighperformanceandscalability.Forexample,intypicalcondition,installationstoahundredPCstakesalmostequivalenttimefortwoPCs.TogetherwiththeIntelPXEandtheRedHatkickstart,automaticandveryfastsysteminstallationandupgradingcouldbeperformed.

简介：TheconfigurationmanagementtoolCMThasbeenusedsinceseveralyearsnow,andinquitsdifferentprojects(Virgo,GLAST,LHCb,Auger,Atlas,etc).Thefeaturesofthetoolhavecontinuouslyevolvedaccordingtothegrowingneedsofthedevelopersandtofollowtheincreasingcomplexityofthesoftwarebasesithastoservice,Howevertheoriginalconcepts:readability,simplicity,flexibility,completenesshavebeenpreservedandthesyntanofthecoreelementofthesystem-therequirementsfile-hasbeenalwaysketpbackwardcompatible.MoreandmoreprojectspecificconventionsandneedshavefounrtheirexpressionusingCMT,andsimultaneouslythefocuesetoCMTfeatureshaveevolvedaccordingly,progressivelyraisingimportancetowardslanguagecustomisation,newdocumentgeneratorsproductionofpatterns,packageorganizationandsoftwaredistribution.ThebasicpropertiesoftheCMTtoolkitwillbeshortlypresentedbutthefocusofthediscussionwillbesettotheCMTtoolkitwillbeshortlypresentedbutthefocusofthediscussionwillbesettoptheserecentevolutions,throughtsometypicalexamplesobtainedfromactualprojectsshowingspecificdefinitionsorconventions.Thediscussionisthenextendedtowardsthegeneralizedquestionofthescalabilityinsoftwareproductionandmanagementinthecontextofe.g.Gridtechnologies.TheimpactofusinggenericandhighleveltoolssuchasCMT,whichalreadyoffersseveralsolutions,RPMortheGridtechnologies,inthisrespectwillbepresented.Inparticular,theroleofformalspecificationsforthesoftwareconfigurationappearstobecriticalforquerymechanismsrequiredinmanagementoperationsorinremoteactions.

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