配置管理计划实例.pdf
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配置管理计划实例.pdf
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WhitePaper:
EstablishingaConfigurationManagementDatabaseSchema:
AWorkingModelOverviewIntroductionPriortobuildingaConfigurationManagementDatabase(CMDB),aschemaisneededtoidentifytheworkingdatamodelthatwillunderpinthedatabase.Thispaperdescribesamodelthatcouldbeusedforthatpurpose.ContentsThispublicationcontainsthefollowingtopics:
TopicSeePageOverview1SchemaDesignBackground2ChoosingaSchemaDesign3SchemaDesignBackgroundIntroductionThefollowingsectiondescribesthebackgroundforchoosingtheparticularschemastructuredemonstratedinthisdocument.CMDBSchemaDefinedTheSchema,whichcanbethoughtofastheunderpinningdatastructure,fortheCMDBhastwomainpurposes:
1.IdentifythekeytypesofCIsthatarepartoftheCMDB.2.DemonstratehowthoseCItypesareinterrelated.CMDBSchemaChallengesThisparticularareaofITILisnewandlittleindustryworkorliteratureexistsaroundit.CMDBSchemaIdeasOtherideasforschemasinclude:
EntityRelationshipDataDesignsUMLDiagramsBillOfMaterial(BOM)ModelsSchemaexampleasshownintheITILServiceSupportBookChoosingaSchemaDesignIdeasRejectedER&UML:
Thesemodelswererejectedbecauseitiseasytolosethebigpictureasthesediagramsquicklygetextremelycomplicated.Inaddition,anynewpersonnelbroughtinwillhavetospendagooddealoftimelearninghowthosemodelswereputtogether.BOM:
Whilemanyofthemodelsreviewedofthosereviewedcoveredverycomplexitemssuchasanentireairplaneorspaceshuttle,itwasrejectedbecausetheapproacheswereuniqueandcouldnotbecarriedforwardeasilytootherbusinesses.ITILServiceSupport:
ITILsexampleaspublishedintheServiceSupportbookwasrejectedbecauseitfocusesmostlyontechnologicalcomponentsandalimitedviewofeverythingentailedinanITinfrastructure.SuccessfulSchemaDesignPrinciplesThefollowingdesignprincipleswereusedtounderpinthemodelpresentedinthispaper:
Abilitytoshowtheentireinfrastructureononepage.Supportsrelationshipsbetweenconfigurationitems(CIs)thatareapplicableacrossmostcompanies.AccommodatesalmostanyCItypethatanITorganizationmightuse.SupportsexplodingbusinessservicesintodetailedCIsthatmakeupandsupportthoseservices.Intuitivetounderstand.Atalevelthatcanapplytomanybusinessunitsandorganizations.SchemaExampleOverviewIntroductionThefollowingsectioncontainsanexampleschemaanddescriptionsofthecomponentsthatgointotheschema.ContentsThischaptercontainsthefollowingtopics:
TopicSeePageOverview4ExampleCMDBSchema5ServiceCITypes6ManagementCITypes16ExampleCMDBSchemaIntroductionThemodelshownbelowpresentshowanentireITinfrastructurecanbeviewed.SchemaModelServiceViewCIsThewhitebarsrepresenttheServiceViewoftheinfrastructure.ThisstartsatthetopwiththeBusinessServicesCITypeandexplodesdownwardstothelowestlevelwhichhasthePhysicalSitesCItypethatservicesandservicecomponentsresidein.ManagementViewCIsTheverticalbarsrepresenttheManagementViewoftheinfrastructure.NotethateachleveloftheManagementViewcrossesalllevelsofServiceViews.Thereasonisthateachlevelintheservicedeliverychainmayhavemanagementcomponentsthatareuniquetoitsscope.ContinuedonnextpageBusinessServicesServiceDeliveryChannelsBusinessITProductsApplicationsSharedServicesTransportServicesSub-SystemServicesHardware/NetworkPhysicalAssetsConfigurationArchitectureDataArchitectureProcessArchitectureOrganizationArchitectureDevelopmentArchitectureExternalSuppliersPhysicalSitesManagementArchitectureSecurityArchitectureMaintenanceArchitectureBusinessServicesServiceDeliveryChannelsBusinessITProductsApplicationsSharedServicesTransportServicesSub-SystemServicesHardware/NetworkPhysicalAssetsConfigurationArchitectureDataArchitectureProcessArchitectureOrganizationArchitectureDevelopmentArchitectureExternalSuppliersPhysicalSitesManagementArchitectureSecurityArchitectureMaintenanceArchitectureExampleCMDBSchema,ContinuedSub-SchemasAttheConfigurationManagersdiscretion,itisperfectlyokaytoincludesub-schemaswithineachCI.Forexample,theHardware/NetworkCItypecouldhavesub-schemassuchasMainframe,Server,ComLine,etc.ServiceCITypesOverviewIntroductionThefollowingsectioncontainsdescriptionsofthevariousServiceCItypes,shownverticallyontheschemagraphic.ContentsThischaptercontainsthefollowingtopics:
TopicSeePageOverview7BusinessServiceCITypes8ServiceDeliveryChannelCITypes9BusinessITProductCITypes10ApplicationCITypes11SharedServiceCITypes12TransportServiceCITypes13Sub-SystemServiceCITypes14Hardware/NetworkPhysicalAssetCITypes15PhysicalSiteCITypes16BusinessServiceCITypesDefinitionTheseCIsrepresenttheservicesofferedbythebusinesstotheirendcustomers.Theymayalsorepresentkeybusinessunitswithinthecompany.ExamplesExamplesofBusinessServiceCIsinclude:
SalessupportfunctionsHR/FinanceOnlineservicestocustomersManufacturingdepartmentMarketingbusinessunitServiceDeliveryChannelCITypesDefinitionBusinessservicesaredeliveredtocustomersoverdeliverychannels.TheseCItypescoverthosemechanismsbusinessservicesusetodelivertocustomers.ExamplesExamplesofServiceDeliveryChannelCIsinclude:
Web-enabledPDAOnlineHosteddeliveryBusinessITProductCITypesDefinitionThesetypesofCIsrepresentproductsthataresoldorgiventooutsidecustomers.ItwouldbeusedforthosecompaniesthatareinthebusinessofsellingorgivingITsolutions,intheformofITproductsorsolutionofferings,tooutsideentities.ExamplesExamplesofBusinessITProductCIsinclude:
Companybuiltproductssoldtooutsidecustomers.Passthroughlicensesorproductssold/deliveredtooutsidecustomers.Solutionofferingssoldorgiventooutsidecustomers.ApplicationCITypesDefinitionTheseCItypescoverapplicationCIsthatmakeupbusinessproductsandservices.ExamplesExamplesofApplicationCIsinclude:
ApplicationmodulesandprogramsCodesegmentsJAVAappletsIncludefilesSharedServiceCITypesDefinitionTheseCItypescovercorporateITservicesthataresharedacrossbusinessorganizations.ExamplesExamplesofSharedServiceCIsinclude:
E-mailIntranetwebservicesMiddlewareusedtosupportapplicationmessaging.DevelopmenttestingenvironmentsTransportServiceCITypesDefinitionTheseCItypescovercompanynetworkingelementsthatarenothardware(OSIstacklayers2andabove).ExamplesExamplesofTransportCIsinclude:
SatelliteTCP/IPEthernetX.25X.500TokenRingSub-SystemServiceCITypesDefinitionTheseCItypescoveroperatingsoftwarethatisusedtodirectlysupportapplicationsandbusinessservices.ExamplesExamplesofSub-SystemCIsmightinclude:
OperatingsystemssuchasUNIXorWindowsOperatingsystemservicemodulesCustomdevelopedsystemssoftwareprogramsOperatingsystemutilitiesthatsupportapplicationsandbusinessservicesHardware/NetworkPhysicalAssetCITypesDefinitionThisCItypecoversallphysicalITassetsthatareusedtosupportapplicationsandbusinessservices.ExamplesExamplesofHardware/NetworkPhysicalAssetCIsinclude:
MainframesServersRoutersSwitchesPhysicalSiteCITypesDefinitionThisCItypecoversphysicalfacilitieswherehardware/networkassetsresidetodeliverservicestoapplicationsandbusinessservices.ExamplesExamplesofPhysicalSiteCIsinclude:
DataCenterslocatedinvariousgeographiesLocalbankingbranchsiteCorporateDataCenterWiringclosetlocationsManagementCITypesOverviewIntroductionThefollowingsectioncontainsdescriptionsoftheManagementCITypes,shownhorizontallyinthegraphic.ContentsThischaptercontainsthefollowingtopics:
TopicSeePageOverview17ConfigurationArchitectureCITypes18DataArchitectureCITypes19ManagementArchitectureCITypes20SecurityArchitectureCITypes21ProcessArchitectureCITypes22OrganizationArchitectureCITypes23DevelopmentArchitectureCITypes24ExternalSupplierCITypes25MaintenanceArchitectureCITypes26ConfigurationArchitectureCITypesDefinitionThistypeofCIcontainsinformationonhowtheITinfrastructureisassembledandputtogether.CIrelationshipsarealsostoredhere.ConfigurationArchitectureCIscanbeviewedasthe“glue”thatholdstheinfrastructuretogether.ExamplesExamplesofConfigurationArchitectureCIsinclude:
PointertoServiceCatalogCIRelationships(includingwhatholdsthismodeltogether)AssetInformationBlueprintsFloorplansInfrastructureArchitecturedescriptionsanddesignsPointerstoDefinitiveHardwareStores(DHS)PointerstoDefinitiveSoftwareLibraries(DSL)PointerstoITILdatabasesandrepositoriesDataArchitectureCITypesDefinitionThisCItypecoversalldataelementcomponentsthatresideintheinfrastructure.ExamplesExamplesofDataArchitectureCIsinclude:
DatabaseschemasLogicaldatabasedesignsPhysicaldatabasedesignsSANarchitecturelayoutITILdatabaseandrepositorydatalayoutsApplicationmetadatadescriptionsPointerstophysicaldatabasesManagementArchitectureCITypesDefinitionThisCItypecoverstoolsusedtomonitorandmanagetheinfrastructureandadditionaltoolsinplacetosupportITServiceManagementprocesses.ExamplesExamplesofManagementArchitectureCIsinclude:
EventmanagementtoolsIncidentloggingandescalationtoolsServicedesktoolsNetworkmanagementtoolsMonitoringandcontroltoolsServicereportingtoolsSecurityArchitectureCITypesDefinitionThisCItypecovershardware,softwareandnetworkingassetsthatmakeupthesecurityinfrastructure.ExamplesExamplesofSecurityArchitectureCIsinclude:
IdentityManagementsoftwarecomponentsSecurityeventlogsPointerstosecuritydatabasesSe
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