factorportmap

z/VMVersion7Release1MigrationGuideIBMGC24-6294-05Note:Beforeyouusethisinformationandtheproductitsupports,readtheinformationin"Notices"onpage235.
Thiseditionappliestoversion7,release1,modification0ofIBMz/VM(productnumber5741-A09)andtoallsubsequentreleasesandmodificationsuntilotherwiseindicatedinneweditions.
Lastupdated:2019-12-06CopyrightInternationalBusinessMachinesCorporation1992,2019.
USGovernmentUsersRestrictedRights–Use,duplicationordisclosurerestrictedbyGSAADPScheduleContractwithIBMCorp.
ContentsTables.
xiAboutThisDocument.
xiiiIntendedAudience.
xiiiWheretoFindMoreInformation.
xiiiLinkstoOtherDocumentsandWebsites.
xiiiHowtoSendYourCommentstoIBM.
xvSummaryofchangesforz/VMMigrationGuide.
xviiGC24-6294-05,z/VMVersion7Release1(January2020)xviiGC24-6294-04,z/VMVersion7Release1(September2019)xviiGC24-6294-03,z/VMVersion7Release1(June2019)xviiGC24-6294-02,z/VMVersion7Release1(April2019)xviiiGC24-6294-01,z/VMVersion7Release1(December2018)xviiiGC24-6294-00,z/VMVersion7Release1.
xviiiGC24-6201-14,z/VMVersion6Release4(March2018)xixGC24-6201-13,z/VMVersion6Release4(December2017)xixGC24-6201-12,z/VMVersion6Release4(August2017)xxGC24-6201-11,z/VMVersion6Release4(March2017)xxChapter1.
Introduction.
1z/VMContinuousDeliveryModel.
1HowInformationaboutz/VMChangesIsPresentedinThisDocument.
1CompatibilityTerms.
2Chapter2.
SystemChanges.
3ProductPackaging.
3[V6.
1]ChangestoDocumentationProvidedwithz/VM.
3[V6.
1]GermanFilesDiscontinued.
3[V6.
2]IBMz/VMSingleSystemImageFeature.
3[V6.
2]z/ArchitectureCMS.
4[V6.
2]ShippingIBMSystemsDirectorAgentsforLinuxwithz/VMDiscontinued.
4[V6.
3]xCATAppliancePackagedwithz/VM.
4[V6.
3]z/VMCollection.
4[V6.
4]z/VMCloudManagerApplianceNoLongerAvailable.
4[V7.
1]Integrationofz/VMSSIforContinuousOperation.
4[V7.
1]OSA/SFNotShippedwithz/VM.
5[V7.
1]z/VMMessagesandHelpFilesforKanjiHaveBeenDiscontinued.
5Installation,Migration,andService.
5[V6.
1]ChangestoPredefinedUserDirectoryEntries.
5[V6.
2]ChangestoPredefinedUserDirectoryEntries.
6[V6.
2]INSTALLUtilityRenamedtoINSTTAPE.
22[V6.
2]CMSAUDITORUtilityChange.
23[V6.
2]HighLevelAssemblerNotRequiredforRACF.
23[V6.
2]OptionsRemovedfromtheVMFINSCommand.
23[V6.
2]ChangetotheLinkingDefaultoftheVMFSETUPCommand.
23[V6.
2]ServiceChangestoSupporttheSSIEnvironment.
23[V6.
2]ChangetoPPFFileUsedforSavedSegmentBuilds.
23iii[V6.
3]ChangestoPredefinedUserDirectoryEntries.
23[V6.
3]ACIGROUPKeywordofRACFGLBLDSKMacroChangedtoACIGRP.
27[V6.
3]InstallationChanges.
27[V6.
3]RelocationofService-LevelProductionStatusTable.
27[V6.
3]ServiceEnhancements.
27[V6.
3]SSIClusterCross-SystemHighestReleaseLevelProgramHandling.
27[V6.
3]ZVM$PPFOverrideFileRemoved.
28[V6.
3]NewLINKRrOptionfortheVMFSETUPCommand.
28[V6.
4]ChangestoPredefinedUserDirectoryEntries.
28[V6.
4]DetermineInstalledService.
31[V6.
4]InstallationChanges.
32[V6.
4]EnhancedUpgradeinPlace.
32[V6.
4]3590and3592TapeNotSupportedfortheInstallationofz/VMV6.
4.
32[V6.
4]Improvedupgradeinstallationplanninginformation.
32[V7.
1]InstallationandMigrationChanges.
32[V7.
1]ProductParameterFileNames.
33[V7.
1]UserDirectoryModifications.
33[V7.
1]ChangestoPredefinedUserDirectoryEntries.
34[V7.
1]VMSES/EMIGRATECommandSupportWithdrawn.
36[V7.
1APAR]QueryRSCSServiceLevel.
36SupportandExploitationofHardwareandArchitectures.
36[V6.
1]ArchitectureLevelSet.
37[V6.
1]IBMSystemStorageSupport.
38[V6.
1]WorldwidePortNamePredictionTool.
38[V6.
1]IBMzEnterprise196.
38[V6.
1]CryptoExpress3.
39[V6.
1]DynamicEmulatedDevicePathControl.
39[V6.
1]HyperSwapImprovements.
39[V6.
1]IBMExtendedAddressVolumesSupport.
39[V6.
1]IBMXIVStorageSystemsDirectAttachmentSupport.
40[V6.
1]ProtectedKeyCPACFSupport.
40[V6.
1]OSXandOSMChannelPathIdentifiers.
40[V6.
1]XRCTimeStampingSupport.
40[V6.
2]IBMzEnterprise196(Enhanced)andIBMzEnterprise114.
41[V6.
2]ACCOUNTUtilityEnhancement.
41[V6.
2]CPU-MeasurementCounterFacilityHostSupport.
41[V6.
2]CryptoTerminologyChange.
42[V6.
2]CryptographicCoprocessorFacility(CCF)SupportRemoved.
42[V6.
2]DynamicDiscoveryofFCPDisks.
42[V6.
2]ISFCInfrastructureEnhancements.
42[V6.
2]RealDeviceMapping.
43[V6.
2]SharedDiskEnhancements.
44[V6.
2]FICONExpress8SandOSA-Express4S.
45[V6.
2]SupportforGen4IBMSystemStorageTS1140TapeDrive(3592ModelE07)45[V6.
2]GuestSupportforHighPerformanceFICONforzSystems.
45[V6.
3]IBMzEnterpriseEC12andIBMzEnterpriseBC12.
46[V6.
3]FibreChannelProtocolDataRouterSupport.
47[V6.
3]FICONDS8000SeriesNewFunctions.
47[V6.
3]HiperSocketCompletionQueueGuestExploitationSupport.
48[V6.
3]MultipleSubchannelSetSupportforMirroredDASD.
48[V6.
3]z/VMHiperDispatch.
50[V6.
3APAR]SoftFenceandQueryHostAccessGDPSEnhancements.
51[V6.
3APAR]PCIeGuestDirectAttachSupport.
51[V6.
3APAR]IBMz13Support.
53[V6.
3APAR]z13CompatibilityI/OSupport.
55[V6.
3APAR]CryptoExpress5SandEnhancedDomainSupport.
55[V6.
3]FICONExpress16SSupport.
56[V6.
3APAR]SimultaneousMultithreading(SMT)Support.
56iv[V6.
3APAR]IncreasedCPUScalability.
59[V6.
3APAR]Multi-TargetPPRCSupport.
59[V6.
3APAR]MultithreadingProratedCoreTimeSupport.
59[V6.
3APAR]SupportforIBMLinuxONESystems.
60[V6.
3APAR]IBMz13(DriverD27)CompatibilityandIBMz13sSupport.
60[V6.
3APAR]IBMZVectorFacility(SIMD)Support.
62[V6.
4]ArchitectureLevelSet(ALS)62[V6.
4]ESA/390Removal.
63[V6.
4]GuestLargePageSupport.
64[V6.
4]SCSIManagementQueries.
64[V6.
4]SCSIReliability,Availability,andServiceability(RAS)Enhancements.
65[V6.
4]GuestTransactionalExecution(TX)Support.
65[V6.
4]IBMz13(DriverD27)andz13sI/OSupport.
66[V6.
4]ExpandedStorage(XSTORE)SupportRemoved.
66[V6.
4]IBMDynamicPartitionManager(DPM)AdministrativeModeforLinux.
68[V6.
4APAR]ConcurrentI/OSupportforIBMXIVStorageSystem.
68[V6.
4APAR]z/VMSupportforIBMz14.
68[V6.
4APAR]ExtendedAddressVolumeMinidiskSupport.
71[V6.
4APAR]ProcessorScalabilityEfficiencyImprovements.
71[V6.
4APAR]AlternateSubchannelSetDynamicI/OSupport.
71[V6.
4APAR]CouplingoverRoCE(CL5)ChannelPathSupport.
72[V6.
4APAR]GuestExploitationSupportfortheInstructionExecutionProtectionFacility.
72[V6.
4APAR]GuestExploitationSupportforPauselessGarbageCollection.
72[V6.
4APAR]EncryptedPaging.
72[V6.
4APAR]z-ThinProvisioning.
73[V7.
1]ArchitectureLevelSet.
73[V7.
1]FoundationalSupportforDynamicMemoryDowngrade.
74[V7.
1]FoundationalSupportforMoreThan64LogicalProcessors.
74[V7.
1APAR]SupportfortheIBMAdapterforNVMe.
75[V7.
1APAR]ExtendedAddressVolume(EAV)PagingSpaceSupport.
76[V7.
1APAR]PerformanceToolkitSupportforEAVPagingSpace.
76[V7.
1APAR]Supportfor80LogicalProcessors.
76[V7.
1APAR]PerformanceToolkitSupportfor80LogicalProcessors.
77[V7.
1APAR]Removalof1000-MemberLimitforaSingleResourcePool.
78[V7.
1APAR]IBMz15(z15)andLinuxONEIIIServerCompatibility.
78[V7.
1APAR]DynamicCrypto.
79[V7.
1APAR]SystemRecoveryBoost.
79[V7.
1APAR]z15I/OProcessorCompatibility.
80ConnectivityandNetworking.
80[V6.
1]PrefetchGuestDataintoProcessorCache.
80[V6.
1]SSLServerEnhancements.
80[V6.
1]SSLServerUpgradeandFIPSSupport.
81[V6.
1]SupportforIBMzEnterpriseSystemNetworks.
81[V6.
2]AdditionalIPv6Support.
82[V6.
2]IPFORMATSupportsConversiontoPCAPFormat.
82[V6.
2]LDAPServerUpgrade.
82[V6.
2]MPROUTEEnhancements.
82[V6.
2]MultipleAccessPortsperGuest.
83[V6.
2]QueryOSAAddressTable.
83[V6.
2]SSLServerUpgradeandImplementationChanges.
83[V6.
2]TCP/IPSupportWithdrawal.
83[V6.
2]VirtualNetworkingSupportforanSSICluster.
84[V6.
2]*VMEVENTEnhancements.
84[V6.
2]VirtualSwitchHiperSocketsBridge.
84[V6.
2]ClientCertificateValidationforz/VMSSLServer.
85[V6.
3]LiveGuestRelocationSupportforPortBasedVirtualSwitches.
85[V6.
3]MPROUTEEnhancements.
85[V6.
3]SSLServerUpgradeandTLS1.
2Support.
86v[V6.
3]TCP/IPSupportWithdrawal.
86[V6.
3]VirtualSwitchRecoveryandStallPrevention.
86[V6.
3]VirtualSwitchSupportforVirtualEdgePortAggregator(VEPA)Mode.
87[V6.
3]DuplicateIPAddressHandlingonaVirtualSwitch.
87[V6.
3]UnifiedResourceManagerSupportWithdrawn.
87[V6.
3APAR]AdditionalSSLServerEnhancements.
87[V6.
3APAR]z/VMV6.
3SystemSSLCryptographicModuleReceivesFIPS140-2Certification.
.
.
.
.
.
.
88[V6.
3APAR]Multi-VSwitchLinkAggregationSupport.
88[V6.
3APAR]SystemSSLUpgradeandAESGCMfortheTLS/SSLServer.
89[V6.
3APAR]EncryptionofTCPNJEConnections.
89[V6.
4]z/VMSystemSSLandUtilitiesz/OSV2.
2Equivalency.
89[V6.
4]Client/ServerTLS/SSLSupport.
90[V6.
4]z/VMLDAPServerandClientUtilitiesz/OSV2.
2Equivalency.
90[V6.
4]LOGONSecurityImprovement.
90[V6.
4]z/VMMPROUTEServerz/OSV2.
2Equivalency.
90[V6.
4]DomainNameSystem(DNS)IPv6Support.
91[V6.
4]VLANAccessSecurityImprovement.
91[V6.
4]ResettingCountersforaVirtualSwitch.
91[V6.
4]SETDIALDROPCommand.
91[V6.
4APAR]CryptoExpressAPVIRTSupportforz/VMTLS/SSLServerandLDAP/VM.
92[V6.
4APAR]DistributedIUCVEnhancements.
92[V6.
4APAR]NICDEFSecurityControls.
92[V6.
4APAR]FirewallFriendlyFTP.
93[V6.
4APAR]VSwitchLinkAggregationLoadBalancingEnhancements.
94[V6.
4APAR]z/VMV6.
4SystemSSLCryptographicModuleReceivesFIPS140-2Certification.
.
.
.
.
.
.
94[V7.
1]FOREIGNIPCONLIMITDefaultValueChange.
94[V7.
1]IMAPSupportRemoved.
95[V7.
1]SupportRemovedforIEEE802.
3EthernetFrameTypes.
95[V7.
1APAR]TLS/SSLServerEllipticCurveSupport.
95[V7.
1APAR]TCP/IPSupportforOSA-Express7S25G.
95[V7.
1APAR]VirtualSwitchPriorityQueuingEnhancements.
96[V7.
1APAR]TLSCertificateVerification.
97SystemAdministrationandOperation.
97[V6.
1]VMPRFModeNotSupportedbyPerformanceToolkit.
97[V6.
1]HMF/VMNotSupported.
98[V6.
1]AlternateMethodforHardLimitingofScheduledSystemResources.
98[V6.
1]DisablingtheGuestPageReorderingProcess.
98[V6.
1]EnhancedContiguousFrameCoalescing.
98[V6.
1]ImprovedPageReleaseSerialization.
98[V6.
1]PerformanceToolkitEnhancements.
98[V6.
1]ShutdownSignalsEnhancement.
98[V6.
2]SSIClusterConfigurationandManagement.
99[V6.
2]SSIClusterUserIdentityandConfiguration.
99[V6.
2]Cross-SystemSpoolandCPCommandsinanSSICluster.
102[V6.
2]LiveGuestRelocationinanSSICluster.
104[V6.
2]ACIPARMSEnhancements.
107[V6.
2]DirMaintEnhancements.
107[V6.
2]ESMAccessControlforRealDevices.
108[V6.
2]LIMITHARDDefaultChange.
108[V6.
2]MemoryConstraintRelief.
108[V6.
2]ContiguousPageReplenishmentCountersinMonitor.
109[V6.
2]MONITORChanges.
109[V6.
2]PerformanceToolkitEnhancements.
109[V6.
2]RACFSecurityServerEnhancements.
110[V6.
2]SECLABELSupportforSECUSER/OBSERVERFacilities.
111[V6.
2]DefaultVirtualMachineTypeisnowESA.
111[V6.
2]STORBUFDefaultChange.
111[V6.
2]ChangedXEDITDefaultCaseforOtherFileTypes.
111vi[V6.
2]CMSFilePoolServerEnhancements.
111[V6.
2]UtilitiesMovedfromtheMAINT190Minidisk.
111[V6.
2]AdditionalPerformanceToolkitEnhancements.
111[V6.
3]CrossSystemExtensions(CSE)SupportRemoved.
112[V6.
3]HELPSEGandNLSAMENGSavedSegmentsNoLongerSuppliedwithBaseSystem.
112[V6.
3]IPLChangesforNSSinaLinuxDump.
113[V6.
3]MemoryManagement.
113[V6.
3]PerformanceToolkitEnhancements.
114[V6.
3]UserClassRestructure(UCR)SupportRemoved.
115[V6.
3]DASDVolumeRealDeviceAddress.
115[V6.
3APAR]CPUPoolingSupport.
115[V6.
3APAR]EnvironmentInformationInterface.
116[V6.
3APAR]AdditionalPerformanceToolkitEnhancements.
116[V6.
3]z/VMV6.
3AchievesCommonCriteriaCertification.
119[V6.
3APAR]VirtualMachineLogoffTimeReduction.
119[V6.
3APAR]RACFSecurityPolicyandPasswordEncryptionEnhancements.
119[V6.
3APAR]RelocatingtheSSIPDRwithoutaPlannedOutage.
121[V6.
4]DirMaintSupport.
121[V6.
4]FlashSystemSupportforFCP-AttachedSCSIDisks.
121[V6.
4]zManagerSupportRemoved.
122[V6.
4]MemoryScalabilityEfficiencyImprovements.
123[V6.
4]EnhancedRealMemoryandGuestVirtualMemorySupport.
123[V6.
4]DynamicSimultaneousMultithreadingLevel.
123[V6.
4]QueryShutdownCommand.
124[V6.
4]ControlProgramEnvironmentVariables.
124[V6.
4]VirtualProcessorManagementImprovement.
125[V6.
4]SurplusCPUPowerDistributionImprovement.
125[V6.
4]RACFAutomaticControlofAccessListAuthority.
126[V6.
4]HyperPAVTechnologyExploitation.
126[V6.
4]PerformanceToolkitEnhancements.
127[V6.
4]PerformanceToolkitChangesinHowSpinLockActivityIsReported.
127[V6.
4]NondefaultTapeModeSupport.
128[V6.
4]CMSPipelines.
128[V6.
4]RACFICHRCX02ExitDisabledbyDefault.
128[V6.
4]SupportforlargeHCDDynamicI/OActivates.
128[V6.
4]IBMVirtualizationEngineTS7700CopyExportSupport.
128[V6.
4]OpenStackSupportforz/VM.
129[V6.
4APAR]RACFSecurityPolicyEnhancements.
129[V6.
4APAR]z/VMHELPQualityImprovement.
130[V6.
4APAR]HighPR/SMLPARManagementTimeRelief.
137[V6.
4APAR]EnhancedSupportforExternalManagementofz/VMCPUResources.
138[V6.
4APAR]FCPMonitorEnhancements.
139[V6.
4APAR]PerformanceToolkitSupportforHyperPAVPaging.
140[V6.
4APAR]SupporttoControltheEnablementofCertainSecurityModesinz/VM.
140[V6.
4]z/VMV6.
4AchievesCommonCriteriaCertification.
141[V7.
1]IBMz/VMCloudConnector.
141[V7.
1]QUERYBYUSERSupportforClassBUsers.
141[V7.
1]DynamicESMProtectionSupportforCPACCESS,CPTYPE,andCPVLOAD.
141[V7.
1]CPCommandsCleanup.
141[V7.
1APAR]SMAPIESMAuthorizationSupport.
142[V7.
1APAR]VirtualConsoleOutputRoutingControl.
142[V7.
1APAR]AllowDeviceRangeonDEFINEHYPERPAVALIASandDEFINEPAVALIAS.
143[V7.
1APAR]STHYIsupportforzCXcontainers.
143[V7.
1APAR]FastMinidiskErase.
143Security.
143[V7.
1APAR]PVMSecureConnectivity.
143[V7.
1APAR]Multi-FactorAuthenticationforz/VM.
144[V7.
1APAR]CPsupportforMFA.
144viiApplicationDevelopmentandDeployment.
144[V6.
1]RPC-BasedSystemsManagementAPIsNotSupported.
144[V6.
1]LTMACRORemoved.
144[V6.
1]EnhancedSystemsManagementAPIs.
144[V6.
1]ProgramManagementBinderUpgrade.
145[V6.
2]EnhancedSystemsManagementAPIs.
145[V6.
2]LanguageEnvironmentUpgrade.
145[V6.
2]ProgramManagementBinderUpgrade.
145[V6.
2]StorageLocationX'C8'NowUsedbyCMSInitialization.
145[V6.
2]XLC/C++CompilerUpgrade.
146[V6.
3]EnhancedSystemsManagementAPIs.
146[V6.
3]ProgramManagementBinderUpgrade.
146[V6.
3]UnifiedResourceManagerSupportWithdrawn.
146[V6.
3APAR]SystemsManagementAPISupportforMulti-VSwitchLinkAggregation.
146[V6.
4]z/VMProgramManagementBinderz/OSV2.
2Equivalency.
147[V6.
4APAR]VMUDQMacroIdentifiesSUBCONFIGsThatContainMDISKs.
147[V6.
4APAR]EnhancedSystemsManagementAPIs.
147[V7.
1]GDDMXD/VMSupportRemoved.
147[V7.
1]ChangetotheDefaultLOGONBYUserID.
147SystemDiagnosis.
148[V6.
2]VMDumpToolEnhancements.
148[V6.
3]EnhancedDumpSupport.
148[V6.
4APAR]DUMPProcessingEnhancements.
149[V7.
1]Improvementstothez/VMDumpProcess.
149[V7.
1]Stand-AloneDumptoTapeSupportRemoved.
149[V7.
1APAR]AdditionalDumpProcessingImprovements.
150ProductDocumentation.
150[V6.
1]AddedPublications.
150[V6.
1]DeletedPublications.
150[V6.
1]RelocatedInformation.
150[V6.
1]MediaChanges.
150[V6.
2]RelocatedInformation.
150[V6.
2]MediaChanges.
151[V6.
3]MediaChanges.
151[V6.
3]ProceduresforChangingtheVolumeLabelsandSystemNameofaNon-SSIz/VMSystem.
151[V6.
3]SAPLInformationMoved.
151[V6.
3]z/VMProductDocumentationinIBMKnowledgeCenter.
151[V6.
4]Newz/VMCMSPipelinesDocumentation.
151[V6.
4]z/VMOpenStackDocumentation.
151[V6.
4]z/VMCollectionandz/VMOmnibusPKITDiscontinued.
152[V6.
4]z/VMAdobeIndexedPDFCollection.
152[V7.
1]ContinuousDeliveryCapabilityforz/VMDocumentation.
152[V7.
1]IBMWavePublications.
152[V7.
1]DeletedPublications.
153Chapter3.
ChangestoExternalInterfaces.
155CPChanges.
155SystemConfigurationStatements.
155UserDirectoryStatements.
162CPCommands.
164CPUtilities.
203DynamicI/OReturnCodes.
207DIAGNOSECodes.
209STHYIInstruction.
212AccountingRecords.
216CPMacros.
216viiiCPSystemServices.
217VMDumpTool.
217CMSChanges.
218GeneralCMSCommands.
218CMSUtilities.
220XEDITSubcommands.
221CMSRoutines.
222CMSMacros.
222HELPFacility.
223DumpViewingFacilityChanges.
231GCSChanges.
232REXX/VMChanges.
232VMSES/EChanges.
232Notices.
235Trademarks.
236TermsandConditionsforProductDocumentation.
236IBMOnlinePrivacyStatement.
237Bibliography.
239WheretoGetz/VMInformation.
239z/VMBaseLibrary.
239z/VMFacilitiesandFeatures.
241PrerequisiteProducts.
242Index.
243ixxTables1.
Base$PPFFileNames.
332.
Directorytypesandsystemenvironments.
1003.
RenamedHelpFilesforSomeCPandCMSSubcommands.
1314.
ChangestoSystemConfigurationStatements.
1565.
ChangestoUserDirectoryStatements.
1626.
ChangestoCPCommands.
1647.
ChangestoCPUtilities.
2038.
ChangestoDynamicI/OReturnCodes.
2079.
ChangestoDIAGNOSECodes.
21010.
ChangestoReservedDIAGNOSECodes.
21111.
ChangestotheSTHYIInstructionFunctionCodeResponseBuffers.
21212.
ChangestoAccountingRecords.
21613.
ChangestoSystemDefinitionMacros.
21614.
ChangestoVMDataSpaceMacros.
21715.
ChangestoCPSystemServices.
21716.
ChangestoVMDumpToolCommand,Subcommands,andMacros.
21817.
ChangestoGeneralCMSCommands.
21918.
ChangestoCMSUtilities.
22019.
ChangestoXEDITSubcommands.
22120.
ChangestoGeneralCMSCallableServices.
22221.
ChangestoGeneralCMSMacrosandSubcommands.
22222.
ChangestoCMSCompatibility-InterfaceMacros.
22323.
AddedorDeletedHELPComponents223xi24.
DeletedHELPFiles.
22425.
ChangestoDumpViewingFacilityFunctions.
23126.
ChangestoGCSCommandsandMacros.
23227.
ChangestoREXX/VMInstructions,Functions,andExternalFunctions.
23228.
ChangestoVMSES/ECommands.
232xiiAboutThisDocumentThisdocumentprovidesahistoryofsignificantchangestothez/VMproductsincez/VMV5.
4,asdeliveredinnewproductreleasesandbetween-releasesmallprogrammingenhancements(SPEs)andNewFunctionAPARs.
IntendedAudienceThisdocumentisintendedforpersonnelwhoareresponsibleforplanningandcompletingasystemupgrade.
Thisinformationcouldalsobehelpfultoprogrammerswhowillbemigratingapplicationstothenewsystem.
WheretoFindMoreInformationForinformationaboutchangesinz/VMV5.
4andearlierreleases,seez/VM:MigrationGuide,GC24-6201-14.
Forinformationaboutthecurrentz/VMhardwareandsoftwarerequirements,seez/VM:GeneralInformation.
Formoreinformationaboutz/VMfunctions,seetheotherbookslistedinthe"Bibliography"onpage239.
LinkstoOtherDocumentsandWebsitesThePDFversionofthisdocumentcontainslinkstootherdocumentsandwebsites.
Alinkfromthisdocumenttoanotherdocumentworksonlywhenbothdocumentsareinthesamedirectoryordatabase,andalinktoawebsiteworksonlyifyouhaveaccesstotheInternet.
Adocumentlinkistoaspecificedition.
Ifaneweditionofalinkeddocumenthasbeenpublishedsincethepublicationofthisdocument,thelinkeddocumentmightnotbethelatestedition.
CopyrightIBMCorp.
1992,2019xiiixivz/VM:z/VMV7.
1MigrationGuideHowtoSendYourCommentstoIBMWeappreciateyourinputonthispublication.
Feelfreetocommentontheclarity,accuracy,andcompletenessoftheinformationorgiveusanyotherfeedbackthatyoumighthave.
Tosendusyourcomments,gotoz/VMReader'sCommentForm(www.
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com/systems/campaignmail/z/zvm/zvm-comments)andcompletetheform.
IfYouHaveaTechnicalProblemDonotusethefeedbackmethod.
Instead,dooneofthefollowing:ContactyourIBMservicerepresentative.
ContactIBMtechnicalsupport.
SeeIBM:z/VMSupportResources(www.
ibm.
com/vm/service).
GotoIBMSupportPortal(www.
ibm.
com/support/entry/portal/Overview).
CopyrightIBMCorp.
1992,2019xvxviz/VM:z/VMV7.
1MigrationGuideSummaryofchangesforz/VMMigrationGuideThisinformationincludesterminology,maintenance,andeditorialchanges.
Technicalchangesoradditionstothetextandillustrationsforthecurrenteditionareindicatedbyaverticallinetotheleftofthechange.
GC24-6294-05,z/VMVersion7Release1(January2020)Thiseditionincludesupdatestosupportproductchangesprovidedorannouncedafterthegeneralavailabilityofz/VMV7.
1.
SupportandExploitationofHardwareandArchitectures–"Improvedinformationaboutdefiningcryptoresourcestoz/VMguests"onpage79–"[V7.
1APAR]z15I/OProcessorCompatibility"onpage80ConnectivityandNetworking–"[V7.
1APAR]TLSCertificateVerification"onpage97SystemAdministrationandOperation–"[V7.
1APAR]Multi-FactorAuthenticationforz/VM"onpage144–"[V7.
1APAR]CPsupportforMFA"onpage144–"[V7.
1APAR]STHYIsupportforzCXcontainers"onpage143–"[V7.
1APAR]FastMinidiskErase"onpage143Security–"[V7.
1APAR]PVMSecureConnectivity"onpage143–"[V7.
1APAR]Multi-FactorAuthenticationforz/VM"onpage144–"[V7.
1APAR]CPsupportforMFA"onpage144GC24-6294-04,z/VMVersion7Release1(September2019)Thiseditionincludesupdatestosupportproductchangesprovidedorannouncedafterthegeneralavailabilityofz/VMV7.
1.
SupportandExploitationofHardwareandArchitectures–"[V7.
1APAR]IBMz15(z15)andLinuxONEIIIServerCompatibility"onpage78–"[V7.
1APAR]DynamicCrypto"onpage79–"[V7.
1APAR]SystemRecoveryBoost"onpage79GC24-6294-03,z/VMVersion7Release1(June2019)Thiseditionincludesupdatestosupportproductchangesprovidedorannouncedafterthegeneralavailabilityofz/VMV7.
1.
SupportandExploitationofHardwareandArchitectures–"[V7.
1APAR]ExtendedAddressVolume(EAV)PagingSpaceSupport"onpage76–"[V7.
1APAR]PerformanceToolkitSupportforEAVPagingSpace"onpage76–"[V7.
1APAR]Supportfor80LogicalProcessors"onpage76–"[V7.
1APAR]PerformanceToolkitSupportfor80LogicalProcessors"onpage77CopyrightIBMCorp.
1992,2019xvii–"[V7.
1APAR]Removalof1000-MemberLimitforaSingleResourcePool"onpage78GC24-6294-02,z/VMVersion7Release1(April2019)Thiseditionincludeschangestosupportproductchangesprovidedorannouncedafterthegeneralavailabilityofz/VMV7.
1.
ConnectivityandNetworking–"[V7.
1APAR]TCP/IPSupportforOSA-Express7S25G"onpage95–"[V7.
1APAR]VirtualSwitchPriorityQueuingEnhancements"onpage96SystemAdministrationandOperation–"[V7.
1APAR]VirtualConsoleOutputRoutingControl"onpage142–"[V7.
1APAR]AllowDeviceRangeonDEFINEHYPERPAVALIASandDEFINEPAVALIAS"onpage143GC24-6294-01,z/VMVersion7Release1(December2018)Thiseditionincludeschangestosupportproductchangesprovidedorannouncedafterthegeneralavailabilityofz/VMV7.
1.
Installation,Migration,andService–"[V7.
1APAR]QueryRSCSServiceLevel"onpage36SupportandExploitationofHardwareandArchitectures–"[V7.
1APAR]SupportfortheIBMAdapterforNVMe"onpage75ConnectivityandNetworking–"[V7.
1APAR]TLS/SSLServerEllipticCurveSupport"onpage95GC24-6294-00,z/VMVersion7Release1Thiseditionincludeschangestosupportthegeneralavailabilityofz/VMV7.
1.
DeliveryofNewFunctions,Enhancements,andSupport–"z/VMContinuousDeliveryModel"onpage1ProductPackaging–"[V7.
1]Integrationofz/VMSSIforContinuousOperation"onpage4–"[V7.
1]OSA/SFNotShippedwithz/VM"onpage5–"[V7.
1]z/VMMessagesandHelpFilesforKanjiHaveBeenDiscontinued"onpage5Installation,Migration,andService–"[V7.
1]InstallationandMigrationChanges"onpage32–"[V7.
1]UserDirectoryModifications"onpage33–"[V7.
1]ChangestoPredefinedUserDirectoryEntries"onpage34–"[V7.
1]VMSES/EMIGRATECommandSupportWithdrawn"onpage36SupportandExploitationofHardwareandArchitectures–"[V7.
1]ArchitectureLevelSet"onpage73–"[V7.
1]FoundationalSupportforDynamicMemoryDowngrade"onpage74–"[V7.
1]FoundationalSupportforMoreThan64LogicalProcessors"onpage74ConnectivityandNetworkingxviiiz/VM:z/VMV7.
1MigrationGuide–"[V7.
1]IMAPSupportRemoved"onpage95–"[V7.
1]SupportRemovedforIEEE802.
3EthernetFrameTypes"onpage95SystemAdministrationandOperation–"[V6.
4]z/VMV6.
4AchievesCommonCriteriaCertification"onpage141–"[V7.
1]QUERYBYUSERSupportforClassBUsers"onpage141–"[V7.
1]DynamicESMProtectionSupportforCPACCESS,CPTYPE,andCPVLOAD"onpage141–"[V7.
1]CPCommandsCleanup"onpage141–"[V7.
1APAR]SMAPIESMAuthorizationSupport"onpage142ApplicationDevelopmentandDeployment–"[V7.
1]GDDMXD/VMSupportRemoved"onpage147SystemDiagnosis–"[V7.
1]Improvementstothez/VMDumpProcess"onpage149–"[V7.
1]Stand-AloneDumptoTapeSupportRemoved"onpage149–"[V7.
1APAR]AdditionalDumpProcessingImprovements"onpage150ProductDocumentation–"[V7.
1]ContinuousDeliveryCapabilityforz/VMDocumentation"onpage152–"[V7.
1]IBMWavePublications"onpage152–"[V7.
1]DeletedPublications"onpage153GC24-6201-14,z/VMVersion6Release4(March2018)Thiseditionincludesinformationaboutproductchangesprovidedorannouncedafterthegeneralavailabilityofz/VMV6.
4.
Supportandexploitationofhardwareandarchitectures–"[V6.
4APAR]z-ThinProvisioning"onpage73Systemadministrationandoperation–"[V6.
4APAR]EnhancedSupportforExternalManagementofz/VMCPUResources"onpage138–"[V6.
4APAR]FCPMonitorEnhancements"onpage139–"[V6.
4APAR]PerformanceToolkitSupportforHyperPAVPaging"onpage140–"[V6.
4APAR]SupporttoControltheEnablementofCertainSecurityModesinz/VM"onpage140Applicationdevelopmentanddeployment–"[V6.
4APAR]EnhancedSystemsManagementAPIs"onpage147GC24-6201-13,z/VMVersion6Release4(December2017)Thiseditionincludesinformationaboutproductchangesprovidedorannouncedafterthegeneralavailabilityofz/VMV6.
4.
Productpackaging–"[V6.
4]z/VMCloudManagerApplianceNoLongerAvailable"onpage4Supportandexploitationofhardwareandarchitectures–"[V6.
4APAR]GuestExploitationSupportfortheInstructionExecutionProtectionFacility"onpage72–"[V6.
4APAR]GuestExploitationSupportforPauselessGarbageCollection"onpage72Summaryofchangesforz/VMMigrationGuidexix–"[V6.
4APAR]EncryptedPaging"onpage72Connectivityandnetworking–"[V6.
4APAR]VSwitchLinkAggregationLoadBalancingEnhancements"onpage94Systemadministrationandoperation–"[V6.
4APAR]HighPR/SMLPARManagementTimeRelief"onpage137Productdocumentation–"[V6.
4]z/VMAdobeIndexedPDFCollection"onpage152GC24-6201-12,z/VMVersion6Release4(August2017)Thiseditionincludesinformationaboutproductchangesprovidedorannouncedafterthegeneralavailabilityofz/VMV6.
4.
Installation,Migration,andService–"[V6.
4]Improvedupgradeinstallationplanninginformation"onpage32Supportandexploitationofhardwareandarchitectures–"[V6.
4APAR]z/VMSupportforIBMz14"onpage68–"[V6.
4APAR]ExtendedAddressVolumeMinidiskSupport"onpage71–"[V6.
4APAR]ProcessorScalabilityEfficiencyImprovements"onpage71–"[V6.
4APAR]AlternateSubchannelSetDynamicI/OSupport"onpage71–"[V6.
4APAR]CouplingoverRoCE(CL5)ChannelPathSupport"onpage72Connectivityandnetworking–"[V6.
4APAR]FirewallFriendlyFTP"onpage93Systemadministrationandoperation–"[V6.
4APAR]z/VMHELPQualityImprovement"onpage130Systemdiagnosis–"[V6.
4APAR]DUMPProcessingEnhancements"onpage149GC24-6201-11,z/VMVersion6Release4(March2017)Thiseditionincludesinformationaboutproductchangesprovidedorannouncedafterthegeneralavailabilityofz/VMV6.
4.
Supportandexploitationofhardwareandarchitectures–[V6.
3APAR]ESA/390RemovalSupportAvailableforz/VMV6.
3–"[V6.
4APAR]ConcurrentI/OSupportforIBMXIVStorageSystem"onpage68Connectivityandnetworking–"[V6.
4APAR]CryptoExpressAPVIRTSupportforz/VMTLS/SSLServerandLDAP/VM"onpage92–"[V6.
4APAR]DistributedIUCVEnhancements"onpage92–"[V6.
4APAR]NICDEFSecurityControls"onpage92Systemadministrationandoperation–"[V6.
4]OpenStackSupportforz/VM"onpage129–"[V6.
4APAR]RACFSecurityPolicyEnhancements"onpage129Applicationdevelopmentanddeployment–"[V6.
4APAR]VMUDQMacroIdentifiesSUBCONFIGsThatContainMDISKs"onpage147xxz/VM:z/VMV7.
1MigrationGuideChapter1.
IntroductionChangestothez/VMproductincludetheadditionofnewfunctions,enhancementstoexistingfunctions,additionalsupport,andremovaloffunctionsorsupport.
Thefollowingtopicsexplainhowz/VMchangesaredeliveredandhowinformationaboutthechangesispresentedinthisdocument.
z/VMContinuousDeliveryModelByadoptingthismodel,IBMhelpsclientstobenefitfasterfromnewfunctionsandcapabilitieswiththez/VMproduct.
Withthismodel,IBMchangesthewayz/VMfunctionandservicearedelivered:Newz/VMfunction,asNewFunctionAPARs,isdeliveredintheservicestreamofthecurrentVersion7release.
Whenanewreleaseisintroduced,NewFunctionAPARsaredeliveredonthatreleasethatgoesforwardand,withafewexceptions,theearlierreleasedeliverscorrectiveserviceonlyandnonewfunction.
Withtheavailabilityofz/VMV7.
1,licensedusersofz/VMV6.
4willreceiveonlycorrectiveservice.
BeginningwithV7.
1,IBMdeliversz/VMreleasesonafixed,24-monthcycle.
Thesereleasesarearollupof:–Previously-releasedNewFunctionAPARs–Newfunctionthatistoodisruptiveorpervasivetoshipinthez/VMservicestream–FixesthatwereshippedintheservicestreamoftheearlierreleaseIBMserviceseachz/VMreleaseuntilsixmonthsaftertheN+2releaseisgenerallyavailable.
Az/VMreleaseremainsorderablefor18monthsafterthegeneralavailabilityofitsfollow-onrelease.
Thisallowsclientswhoarerunningolderlevelsofz/VMtheoptionof:–Movingtothemostcurrentrelease,toreceiveNewFunctionAPARs–Movingtotheservice-onlyrelease,toreceivecorrectiveserviceonlyClientsareaffordedtheflexibilityofmovingfromoneservice-onlyreleasetoanother,iftheyprefernottoreceivenewfunctionintheservicestream.
Forexample,az/VMV6.
4clienthastheoptionofmovingtoz/VMV7.
1upto18monthsafterthegeneralavailabilityofz/VMV7.
2.
z/VMV6.
4willbeorderablefor18monthsafterthegeneralavailabilityofz/VMV7.
1.
Fororderingoptions,seeyourlocalIBMrepresentative.
Forplanningpurposes,z/VMV6.
4usersreceivecorrectiveservicesixmonthsafterthegeneralavailabilityofz/VMV7.
2.
Theplannedreleasecycleforz/VMV7meansz/VMV6.
4servicesupportoverlapstheplannedavailabilityofz/VMV7.
2bysixmonths.
ThesameappliesforfutureNreleasessixmonthsaftertheN+2releaseisgenerallyavailable.
Tolearnaboutz/VMContinuousDeliveryandtheproposedschedules,seeIBM:z/VMContinuousDeliveryNews(www.
vm.
ibm.
com/newfunction/).
Tobenotifiedwhennewfunctionbecomesavailable,seeIBM:z/VMNewFunctionAPARsforthez/VMPlatform(www.
ibm.
com/vm/service/vmnfapar.
html).
Tolearnaboutthez/VMSponsorUserprogram,seeIBMz/VMSponsorUserinformation(www.
vm.
ibm.
com/sponsor_user/).
HowInformationaboutz/VMChangesIsPresentedinThisDocumentInformationaboutz/VMchangesispresentedtwowaysinthisdocument:ThetopicsinChapter2,"SystemChanges,"onpage3describesignificantchangestoz/VMsystemfunctions.
TheinformationisorganizedaccordingtothegeneralfunctionalareaswherethechangesIntroductionCopyrightIBMCorp.
1992,20191haveoccurred,suchasproductpackaging,installationandservice,hardwareandarchitecturesupport,connectivityandnetworking,andsoon.
ThetopicsinChapter3,"ChangestoExternalInterfaces,"onpage155identifychangestospecificexternalinterfacesinthez/VMcomponents.
Externalinterfacesarecommands,routines,macros,DIAGNOSEcodes,directorycontrolstatements,andsoon.
Eachchangeisidentifiedaseitherupwardlycompatibleorincompatible.
(Fordefinitionsoftheseterms,see"CompatibilityTerms"onpage2.
)Theinformationisorganizedbycomponent,andwithineachcomponentbyinterfacetype.
Foreachchange,thereleaseinwhichitoccurredisindicatedinbrackets,likethis:[V7.
1].
Withinasection,changesarelistedfromoldesttonewest.
Notes:1.
Theindicatedreleaseiseither:ThefirstreleasethatincludedthechangeinthebaseproductThelastreleaseforwhichthechangewasavailableasaNewFunctionAPAR2.
Beginningwithz/VMV6.
3,achangeprovidedasaNewFunctionAPARisindicatedlikethis:InChapter2,thetermAPARisincludedwiththereleaseinbrackets.
TheAPARnumberisidentifiedinthedescription.
InChapter3,theAPARnumberisincludedwiththereleaseinbrackets.
3.
Achangemightbesupersededbyanotherchange,orsupportmightbewithdrawn,inalaterrelease.
4.
InChapter3,fortypesofchangesthatoccureveryrelease,suchasresponsesfromcommandsthatquerythelevelofthesystem,onlythelatestreleaseisindicated.
5.
Manydescriptionsofsystemchangesincludecross-referencestootherdocumentsformoreinformationaboutthosefunctions.
Overthecourseofproductreleases,thetitlesofsomeVMdocumentsmighthavechanged.
Inmostcases,thecross-referencepointstothecurrenttitleoftheappropriatedocument.
CompatibilityTermsInChapter3,"ChangestoExternalInterfaces,"onpage155,thefollowingtermsareusedtoconveythedegreeofcompatibilityforeachchange:UpwardlycompatibleThesyntax,function,orresponseoftheexternalinterfacehasbeenchanged,butnotsignificantly.
Invocationsandapplicationsusingtheexternalinterfaceonthenewsysteminthesamemannerasonthecurrentsystemshouldcontinuetoexecuteunchanged.
Note:Newfunction,ifnotexploited,isalsoupwardlycompatible.
IncompatibleThesyntax,function,orresponseoftheexternalinterfacehasbeenchangedsignificantly.
Someinvocationsandapplicationsusingtheexternalinterfaceonthenewsysteminthesamemannerasonthecurrentsystemmightexecutedifferently,incorrectly,ornotatall.
Note:Dependingonhowyouusetheinterface,achangeidentifiedasincompatiblemightbeupwardlycompatibleforyou.
Introduction2z/VM:z/VMV7.
1MigrationGuideChapter2.
SystemChangesThesetopicsdescribenewfunctions,enhancements,andsupportthathavebeenaddedtoz/VM.
Sometopicsidentifyfunctionsandsupportthathavebeenremoved.
Forinformationaboutchangestospecificexternalinterfaces,seeChapter3,"ChangestoExternalInterfaces,"onpage155.
Thesystemchangesaredescribedinthefollowingmajortopics:"ProductPackaging"onpage3"Installation,Migration,andService"onpage5"SupportandExploitationofHardwareandArchitectures"onpage36"ConnectivityandNetworking"onpage80"SystemAdministrationandOperation"onpage97"ApplicationDevelopmentandDeployment"onpage144"SystemDiagnosis"onpage148"ProductDocumentation"onpage150ProductPackagingThesetopicsdescribechangesinwhatfacilitiesareprovidedinthez/VMbaseproductorofferedasoptionalfeatures,andhowz/VMisdistributed.
[V6.
1]ChangestoDocumentationProvidedwithz/VMTheIBMOnlineLibrary:z/VMCollectionCD-ROMhasbeenreplacedbytheIBMOnlineLibrary:z/VMCollectionDVD,SK5T-9509.
TheDVDisprovidedwithz/VMV6.
1.
TheCD-ROMversionhasbeendiscontinued.
Thefollowingprinteddocumentsarenotprovidedwithz/VMV6.
1:z/VM:GettingStartedwithLinuxonSystemzTheprintedversionofthisdocumenthasbeendiscontinued.
PDFandBookManagerversionsarestillavailablefromthesamesourcesasotherz/VMpublications.
z/VMSummaryforAutomatedInstallationandService(DVDInstallation)Thisdocumenthasbeendiscontinued(nolongerpublishedinanyformat).
z/VMSummaryforAutomatedInstallationandService(TapeInstallation)Thisdocumenthasbeendiscontinued(nolongerpublishedinanyformat).
[V6.
1]GermanFilesDiscontinuedTranslationofmessagerepositoriesandHELPfilesintoGermanhasbeendiscontinued.
Germanfilesarenotshippedwithoravailableforz/VMV6.
1.
Thez/VMinstallationprocedureshavebeenrevisedtoremovetheGermanoption.
[V6.
2]IBMz/VMSingleSystemImageFeatureTheIBMz/VMSingleSystemImageFeature(VMSSI)isofferedasanoptionalfeatureofz/VMV6.
2.
VMSSIenablesthecreationofz/VMsinglesystemimage(SSI)clusters.
Az/VMSSIclusterisamultisystemenvironmentinwhichthez/VMmembersystemscanbemanagedasasingleresourcepoolandrunningLinuxguestscanberelocatedfromonemembertoanother.
Forinformationaboutthez/VMSSIenvironmentandsettingupz/VMSSIclusters,seez/VM:CPPlanningandAdministration.
PackagingCopyrightIBMCorp.
1992,20193VMSSImustbeorderedthroughthez/VMSystemDeliveryOffering(SDO).
ForinformationaboutthelicensingrequirementsforVMSSI,seez/VM:LicenseInformation.
Variousz/VMfunctionshavebeenaddedorenhancedtosupportz/VMSSIclusters.
Thoseadditionsandenhancementsaredescribedintheappropriatesectionsofthispublication.
[V6.
2]z/ArchitectureCMSz/ArchitectureCMS(z/CMS),previouslysuppliedasasampleprogram,isnowafullysupportedpartofz/VM.
z/CMSrunsinIBMz/Architecture31-bitaddressingmodeinanESAorXAvirtualmachineandenablesCMSprogramstousez/Architectureinstructions,includingthosethatoperateon64-bitregisters,whilepermittingexistingESA/390architectureCMSprogramstocontinuetofunctionwithoutchange.
Althoughz/CMSdoesnotdirectlyexploitstorageabove2GB,z/CMScanbeIPLedinavirtualmachinewithmorethan2GBofstorage,andprogramsrunningonz/CMScanspecifytheSUBPOOL='USERG'parameterontheCMSSTOROBTAINmacrotoallocatestorageabove2GB.
Formoreinformationaboutz/CMS,seez/VM:CMSPlanningandAdministration.
Thefollowingfunctionshavebeenupdated:CMSQUERYCMSLEVELcommandCMSSETCMS370ACcommandCMSCMSSTORmacroCMSDEFNUCmacroREXX/VMSTORAGE()function[V6.
2]ShippingIBMSystemsDirectorAgentsforLinuxwithz/VMDiscontinuedThez/VMManageabilityAccessPoint(zMAP)AgentandPlatformAgentfortheIBMSystemsDirectorServerforLinuxonSystemz,previouslyshippedwithz/VMV6.
1,arenotshippedwithz/VMV6.
2.
[V6.
3]xCATAppliancePackagedwithz/VMTheExtremeCloudAdministrationToolkit(xCAT)applianceispackagedwithz/VMV6.
3.
xCATisanopensourcescalabledistributedcomputingmanagementandprovisioningtoolthatprovidesaunifiedinterfaceforhardwarecontrol,discovery,andOSdiskful/diskfreedeployment.
ThetoolkitcanbeusedforthedeploymentandadministrationofLinuxclusters.
Thetoolkitispackagedandconfiguredtobereadyforusewithnomodification.
Formoreinformation,seez/VM:SystemsManagementApplicationProgramming.
[V6.
3]z/VMCollectionTheIBMOnlineLibrary:z/VMCollection,SK5T-9509,isnolongeravailableasaphysicalDVDandisnolongersuppliedwiththez/VMproduct.
[V6.
4]z/VMCloudManagerApplianceNoLongerAvailableThez/VMCloudManagerAppliance(CMA)DVDprovidedwithz/VMV6.
4isnolongeravailable,noristheCMAcodeavailablefordownloadfromIBMFixCentral.
TheCMAisstabilizedattheNewtonlevel.
TheCMAwillcontinuetobesupportedforsecurityfixesandclient-reportedproblems.
However,nosupportfornewerreleasesofOpenStackorfunctionalenhancementsareplanned.
Ifyouareinterestedinperforminganewinstallationofthez/VMCMA,contacttheIBMz/VMlevel2supportteamfortheinstallationmediaoradigitaldownload.
IBMdoesnotplantoshipOpenStackorxCATsupportwiththez/VMhypervisoroncetheCMAisdiscontinuedfromservice.
[V7.
1]Integrationofz/VMSSIforContinuousOperationz/VMsinglesystemimage(SSI)isincludedinthebaseofz/VMV7.
1atnoadditionalcost.
Previously,itwasapricedfeatureofz/VMV6,andiswithdrawn.
IntegratingandmakingSSIavailableatnochargeisPackaging4z/VM:z/VMV7.
1MigrationGuideintendedtohelpmoreclientsreduceorshortenplannedoutagesoftheirLinuxworkloadsastheyadoptthez/VMContinuousDeliverymodelfortheirz/VMsystems.
SSIincludesliveguestrelocationandsinglesystemmaintenancetogiveclientsamechanismtohostLinuxvirtualserverimageswithoutsufferinginterruptionsastheyapplyupdatestotheirz/VMsystems.
Note:Ifyouareupgradingormigratingyourz/VMsystemtoV7.
1,SSIremainsenabledwithinthesystemconfigurationforcompatibilityreasons.
IBMrecommendsleavingtheSSIstateasenabledtoallowmovingbacktotheoldz/VMlevelforanyreasonandtoallowV7.
1tocoexistinanSSIclusterwitholderz/VMlevels.
ForinformationaboutsettingupSSIclusters,seez/VM:CPPlanningandAdministration.
[V7.
1]OSA/SFNotShippedwithz/VMTheOpenSystemsAdapter/SupportFacility(OSA/SF)isnolongershippedwithz/VM.
TocustomizethemodesofoperationofOSAfeatures,useOSA/SFontheHardwareManagementConsole(HMC).
Formoreinformation,seeOpenSystemsAdapter/SupportFacilityontheHardwareManagementConsole(www.
ibm.
com/servers/resourcelink/svc00100.
nsf/pages/zosv2r4sc147580/$file/ioas100_v2r4.
pdf).