IBM大型机培训资料之1-OS390

OS390&z/OSAnIntroductionWhatisIBMMainframe?Mainframe–Large,Powerful,CentralcomputercapableofsupportingmanyhundredsorthousandsofuserssimultaneouslyIBMMainframe–SpecifytheseriesofcomputersproducedbyIBMAdvantagesReliabilityRecoverabilityRedundancyConnectivityConcurrencyCapacitySecurityCompatibility...History1960sSystem360OverallServicesOver10modelsofferedArchitectureinnovationsforfutureupwardcompatibilityBase-registeraddressingmodeMicroprogramming1970sSystem370MVSVirtualStorage(24-bit)Multi-processingTwocompatibleproductlines30XX-largesystems43XX-mid-rangesystemsHistory1980sSystem370/XAMVS/XAVirtualStorage(31-bit)Expandedstorageaddedto3090model-anewformofprocessorstorage,separatefrommainstorageMid1980sESA370(EnterpriseSystemArchitecture)Accesstodataspaces-anotherformofvirtualstorageMVS/ESAVirtualStorage(N*2G)History1990sESA390andSystem390ESCON-EnterpriseSystemConnections-fiberopticI/OParallelSysplex-couplingcapableprocessors21stCenturyZOSVirtualStorage(64-bit)IntelligentResourceDirector(IRD)OS390ArchitectureDB2TSOSDFIICICSSDSFDITTOTCP/IPNETVIEWRACFDFSMSVTAMJES2OS/390z/OSArchitectureSoftcopyServicesSystemsManagementnon-VSAMVSAMHFSDB2IMS/DBIMS/TMCICSSystemServicesTSOBatchUNIXAPPCSTCApplicationsApplicationEnablementUNIXSystemServicesNetw.Comp.ServicesDistributedComputingSecureWaySecurityServicesCommunicationsServerLANServicesMajorElementsDFSMSStorageManagementDataManagementDeviceManagementSDSFSystemDisplayandSearchFacilityOptionalfeatureofOS/390Monitor,manageandcontrolMVS/JES2systemTSOTimeSharingOptionAllowsuserstointeractivelysharecomputertimeandresourcesMajorElementsDITTODataInterfileTransferTestingandOperationsUtilityAllowsuserstodisplay,modify,delete,copy,printphysicalrecordsofaVSAMorsequentialfileNETVIEWIBM’sfoundationforenterprisemanagementNetworkmanagementproductsprovidestoolsformanagingcomplexmulti-vendornetworksfromasinglepointofcontrolSDFIIInteractivetoolHelpsyoudevelopandmaintainpanels,panelgroups,partitionsetsandcontroltablesMajorElementsVTAMVirtualTelecommunicationsAccessMethodProvidesinterfacebetweenapplicationsinahostprocessorandotherresourcesinanSNAnetworkTCP/IPJES2JobEntrySubsystemProvidesfunctionstogetjobsinto,andoutputoutoftheOS/390systemRACFResourceAccessControlFacilityComponentoftheOS/390securityserverRACFLogonUserIdentificationandVerificationRACFDatabaseResourceAuthorizationCheckingLoggingandReportingAdministrationSystemWithRACFGeneralUsersAccessCICSTransactionIMSTransactionDataSetTapeVMMiniDiskResourcesAccessViolationLookatProfileandSetLoggingAUDITORSecurityAdministrationSPECIALSMFReportAccessEventMajorElementsUNIXSystemServicesApplicationServicesEnablestwoopensystemsinterfacesontheOS/390operatingsystem:AnApplicationProgramInterface(API)AninteractiveOS/390shellinterfaceUniprocessorCentralProcessorMVSStorageChannelSubsystemMultiProcessorMVSStorageChannelSubsystemCPCPCPCPPartitioningMultiprocessorStorageCSSCPCPCPCPMVSMVSStorageCSSLogicalPartitioning-LPARStorageCSSCentralProcessorMVSMVSStorageCSSPR/SMSYSPLEXXCFSYSPLEXXCFSINGNALINGPATHSSYSPLEXXCFXCFXCFCOUPLEDATASETSystemInitializationLoadParmsfromSYS1.PARMLIBMembersfromSYS1.NUCLEUSInitialProgramLoadBuildfirstaddressspacesandothersystemaddressspacesInitialmastercatalogandsystemdatasetsLoadParameterLOADADDRESSXXXXSYSRESVOLUMEADDRESSLOADPARMDDDDXXSNIODFVOLUMEADDRESSLOADXXMESSAGESUPPRESSIONS:SuppressMessageP:SuppressMessagePromptM:DisplayMessagesA:DisplayMessagesPromptN:1–9NUCLEUSIEANUC0nLoadIPLLoadnucleusLoadselectedmembersofSYS1.NUCLEUSNucleusInitializationProgram(NIP)receivescontrolfromtheIPLprogramLocatemastercatalogandotherdatasetsBuildAddressInitializeMVSusingSYS1.PARMLIBIEASYS0XBuildfirstaddressspaceCreateLinkPackAreaSettheCSAandSQAboundariesCreatetheMasterScheduleraddressAddressspaceCREATEroutinesMasterTraceTabletraceOS/390consolemessageBuildAddressPRIVATEExtendedCSAExtendedLPAsExtendedSQANUCLEUSSQALPAsCSAPRIVATECOMMONSYS1.LPALIBSystemandUserWorkAreaSystemTablesandControlBlocksCreateotherAddressSpacesMasterSchedulerPC/AUTHTraceGRSDUMPSRVIOSASConsoleLLAVLFAPPCASCHRACFRMFCatalogAdditionalSystemAddressSpacesJESSMSVTAMDB2TSOCICS...SystemDatasetsMasterCatalogSYS1.PARMLIBIODFSYS1.PROCLIBSYS1.NUCLEUSSYS1.LPALIBSYS1.LINKLIBSYS1.SVCLIBSYS1.MANxSYS1.LOGRECSYS1.DAESYS1.DUMPPAGEDATASETStorageManagerRSM(RealStorageManager)ASM(AuxiliaryStorageManager)VSM(VirtualStorageManager)PhysicalandVirtualStorageCentralStorage(MainStorage)ExpandedStoragePageDataSetsPLPACommonLocalVirtualStorageAddressSpaceDataSpaceHiperspaceStorageStructureCPCACHECentreStorageEXPANDEDDASDCACHEDASD/CARTRIDGETAPEAddressSpaceLayoutExtendedLSQA/SWA/229/230ExtendedUserRegionExtendedCSAExtendedPLPA/FLPA/MLPAExtendedSQAExtendedNucleusNucleusSQAPLPA/FLPA/MLPACSAUserRegionLSQA/SWA/229/230PSAExtendedPrivateExtendedCommonCommonCommonPrivateSwappingandPagingPaging:Theprocessofbringinactiveportionsofaprogramfromauxiliarystorageintomainstorageandmovingpreviouslyactiveportionou