GADSuez GAD and NDM Training 09032014

VSPG1000SoftwareConfidentialUpdate,TomAttanese/LarryKorbus/JoeAmato,GSSDSeptember3rd,2014,AcronymandInitializationDefinitions:DKCisphysicalstoragemachineMDKCisthemainphysicalstoragemachineRDKCisthereservephysicalstoragemachineVSMisvirtualstoragemachineUVMisUniversalVolumeManager(externalstorage)LDEVisaLogicalDeviceHUVMNDMorjustNDMisnon-disruptivemigrationGADisGlobal-ActiveDeviceHUVMHAorjustHAisHighAvailabilityorGADSIisShadowImage(clones)TIisThinImage(snapshots)TCisTrueCopy(synchronousreplication)URisUniversalReplicator(asynchronousreplication),Terminology,Q-codeLegendV01Aprilend2014V01+1aJulyend2014V02Septemberend2014V02+1Januaryend2015V02+2Aprilend2015V03Julyend2015*Add3weeksforactualGAofthesereleases,VMwarecertificationcompletedWindows2012Hyper-VtestingbeginsMayend2014SeeFRSinHiFireforGADinteroperabilitysupportmatrixReferenceArchitecturewhitepaperdevelopmentforVMwarecompletedHyper-VinprogressOracleRACreferencearchitecturewhitepaperbeingplannednow,Miscellaneous,VirtualStorageMachineConcept(VSM)VSPG1000NDMGlobal-ActiveDevice(GAD)Other,Topics,VirtualStorageMachineConcept,Migration,VSPSN=A,VSPG1000SN=B,HA,VSPSN=A,SUEZSN=A,VSPG1000SN=B,SUEZSN=A,SUEZSN=A,VSPSN=A,HOST,SUEZSN=A,HOST,Base,VSMisaresourcegroupthatisusedtocontrolavirtualresource,LDEVVirtualizationChangeSCSIInquiryresponsessoservercanrecognizetheLUNonthealternatepathevenacrossdifferentDKCs,Virtualization,Virtualization,VirtualStorageMachineConcept,1.CreateVSM:LaunchPoint,TreeofVSM,TocreateVSM,clickthisbuttonandthenlaunchCreateVSMdialog(gotonextslide).,Note:Basicallyweplantoprovideusabilitysameasresourcegroupmanagement,2.VSPG1000NDM,Server,MDKC,RDKC,Migrationofreplicatedvolumes:ParallelSI/TC/URconfigurationsaresupportedDataprotection:WritedataguaranteedwhentargetDKCfailureoccursduringdatacopy(volumemigration),SI,SI,SI,DataMigration,VSM,VSPG1000canachieveonlinedatamigrationwithoutimpactingusersapplications.,2.1NDMmigrationwithactiveSI,SI,Root,Node,Leaf,SI,SI(paircreate),Migration,2.2NDMmigrationwithactiveTC/UR,TC/UR,TC/UR(paircreate),TC/UR,Migration,TC/UR,Migration,TC/UR,*1:ServermustbeswitchedtothenewS-VOL.*2:HORCMmustbeswitchedtothenewLDEVs.3:TC/URInitialcopyhappensbeforevolumemigrationstarts.4:Extrabandwidthwillberequiredduringmigrationduetoinitialcopytothenewtargetaswellasupdatecopiestotheoldtarget.,TC/UR,Migration,TC/UR(paircreate),USPV/VSP,Migrationprocedure(initialstate),NDMExample,SourceDKC,MCU,RCU,Server,Pair,Data(new),VSP,SN=3,VSP,SN=1,Data(new),I/O,SecondaryServer,Migrationprocedure(preparetargetDKCs),NDMExample,SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,Suez,SN=2,Suez,SN=4,66:66,55:55,Data(new),Data(new),I/O,SecondaryServer,Migrationprocedure(Virtualization,andcreateRCpathinadvance),NDMExample,SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,VirtualLDEVIDisadded,Virtualserialandmodelisadded,Data(new),Data(new),Data(new),Data(new),I/O,SecondaryServer,RCpath,Migrationprocedure(MappingandaddLDEV),NDMExample,SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,Mapping,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,VirtualLDEVIDisadded,Virtualserialandmodelisadded,MigrateP-VOLdataonly,Data(new),Data(new),I/O,SecondaryServer,RCpath,Migrationprocedure(Add/deleteserverspath),NDMExample,SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,Mapping,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,VirtualLDEVIDisadded,Virtualserialandmodelisadded,Data(new),Data(new),I/O,I/O,Data(new),SecondaryServer,RCpath,Migrationprocedure(Changecachemode),NDMExample,SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,Mapping,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,ChangeCachemode,Data(new),Data(new),I/O,I/O,Data(new),SecondaryServer,RCpath,Migrationprocedure(Paircreate),NDMExample,SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,Mapping,Copy,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,paircreate,PaircreateBeforeVM,Data(copying),Data(new),Data(new),I/O,I/O,Data(new),SecondaryServer,Waitinitialcopy,NDMExample,SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,Mapping,Pair,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,Data(new),Data(new),I/O,I/O,Data(new),Data(new),BothsourceDKCandtargetDKCmaintainsreplication,SecondaryServer,DeletepathbetweensecondaryserverandsourceDKC(RCU)SecondaryserverbecomesOFFLINE(DRscriptstops),NDMExample,SecondaryServer(OFFLINE),SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,Mapping,Pair,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,Data(new),Data(new),I/O,I/O,Data(new),Data(new),AddpathbetweensecondaryserverandtargetDKC(RCU)SecondaryserverbecomesONLINE(DRscriptstarts),NDMExample,SecondaryServer,SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,Mapping,Pair,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,Data(new),Data(new),I/O,I/O,Data(new),Data(new),TermofOFFLINEisveryshort,Migrationprocedure(VMPaircreate),NDMExample,SourceDKC,MCU,RCU,Server,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MCU,RCU,Mapping,Pair,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,55:55,X:11:11,VM,Data(copying),Data(new),I/O,I/O,Data(new),Data(new),Data(new),I/O,SecondaryServer,Migrationprocedure(EndofVMpaircreate),NDMExample,SourceDKC,MCU,RCU,Server,Pair,Data(old),VSP,SN=3,VSP,SN=1,Data(old),TargetDKC,MCU,RCU,Pair,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,Data(old),55:55,X:11:11,Mapping,I/O,Data(new),Data(new),TargetDKCcontinuestomaintainreplication,SecondaryServer,2.3RemoteReplicationduringNon-DisruptiveMigration(NDM),Non-disruptivevirtualizationandredirectionofhostI/OonproductionsideSourceDKCsarestillmaintainingD/RPaircreateTargetDKCsarestillmaintainingcurrentD/RpositionCompletevolumemigrations,PROCESSHIGHLIGHTS,SourceDKC,MDKC,RDKC,ProdServer,Pair,VSP,SN=3,VSP,SN=1,TargetDKC,MDKC,RDKC,Mapping,Copy,RSG,RSG,Suez,SN=2,Suez,SN=4,66:66,55:55,X:11:11,X:22:22,X:VSPSN=1,X:VSPSN=3,paircreate,Data(copying),Data(new),Data(new),I/O,I/O,Data(new),D/RServer,D/Rservercanswitch(SAN)tonewD/RcopyafterallinitialcopiesfortheCTG(JG)arecomplete,2.4SpecificationofVSPG1000NDM,*NOTE:HUSVMwillbesupportedaftertheVSPissupported.V03+3months.,2.5VSPG1000NDMHCSSupport(V02+1timeframe),Analytics,Resources,Tasks&Alerts,Mobility,Administration,Dashboard,LoggedinasJohnSmith,HitachiCommandSuite8,FileActionViewHelp,Logout,Running:0,Finished:2,Suspended:3,Waiting:0,Error:3,ReplaceP-1SourceStorageSystem:RAID700xxxxxxxTargetStorageSystem:RAID800xxxxxxx,P-1,?,Toreplacetheoldstoragesystembynewstoragesystem,operateaccordingtofollowingsteps.,Getconfigurationofsourcestoragesystemandconfiguretargetstoragesystem.,Step1,GetsourceDKCconfigurationandsettargetDKCconfiguration,GetthelatestSourceDKCconfiguration.,GetsourceDKCconfiguration,DefinepathforMigration.,SetTargetDKCconfiguration.,SettargetDKCConfiguration,DefinepathforMigration,1-1,1-3,1-4,MigrateDataCreatePoolManageDataPlacementCreateVolumesVirtualizeVolumes,More,Repeatthesesub-stepsperHostGroup.HostGroupName:Host-A,Disableaccessfromhosttosourcestoragesystem.,CheckdisableaccesstosourcestoragesystemEnableMigration-VOLcache.,DisableAccess,Enablecache,MigratePairconfiguration.,Migratevolumedata.,MigrateVolumes,MigratePairConfig.,2-2,2-3,2-4,2-5,Migratepairconfigurationandvolumedata.,Step2,Hostalternatepathoperation.,ShowHostGroup,2-1,MigrationCompleted,10,30HostGroups,CounterofMigrationLoopperHostGroup,ResultofeachStep,DetailofResults,DraftGUI,MDKC/RDKCHAmirroredvolumesforproductionserversMirroredvolumesacceptRead/WriteI/OonbothsidesRequires2SuezstoragesystemsQuorumDKCQuorumdisk,determinesHAownernodeinthecaseofafailureAnystoragesystemcanbeusedaslongasitissupportedbyUVMQuorumdiskcanbeaninternaldiskthatisUVMconnectedataHURtargetsiteProductionServersClusteredApp/DBMSActive-Activeprocessingwhilesharingthesamedata,Global-ActiveDeviceachievesconcurrentreferences/updatesofmirroredvolumes,whilekeepingdataconsistency,3.Global-ActiveDevicew/CrossSitePaths,MDKC/RDKCHAmirroredvolumesforproductionserversMirroredvolumesacceptRead/WriteI/OonbothsidesRequires2SuezstoragesystemsQuorumDKCQuorumdisk,determinesHAownernodeinthecaseofafailureAnystoragesystemcanbeusedaslongasitissupportedbyUVMQuorumdiskcanbeaninternaldiskthatisUVMconnectedataHURtargetsiteProductionServersOSServerclusterorOracleRACAnyfailureinaccesstostoragewillrequirehostfailoverasstoragefailovercannotbeachievedwithoutcrosssitepaths.,Global-ActiveDeviceachievesconcurrentreferences/updatesofmirroredvolumes,whilekeepingdataconsistency,3.0Global-ActiveDevicew/oCrossSitePaths,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,OSServerClusterorOracleRAC,Note:VMwareandMicrosoftHyper-Vcannotachievenon-disruptiveserverfailoverandwillrequiretheVMstobere-startedifaccesstostoragefails.,VirtualDKC,VirtualDKC,PhysicalDKC(Suez),PhysicalDKC(Suez),MDKC,RDKC,PhysicalDKC(Suez),PhysicalDKC(Suez),Writedataareduplicatedtoboththeprimaryandsecondary(alternate)volumesregardlessofthereceivingportDatatransferbetweenDKCsoccursregardlessofthereceivingport,WriteI/O,ReadI/O,ReadlocalissupportedAnyqualifiedpathfailoverproductcanbeuseduptoxxdistanceotherwiseHDLMwillinitiallyberequiredformetrodistancesWhenafailureoccursontheprimaryvolume,thesecondaryvolumetakesoverthereadI/Ocontrol,WriteI/O,WriteI/O,ReadI/O,ReadI/O,3.1GADActive-ActivewithRead-Local,MDKC,RDKC,GADWriteI/OFlowtoMDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,1.WriteI/O,GADWriteI/OFlowtoMDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,2.Setexclusivelock,GADWriteI/OFlowtoMDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,3.WritetoMDKC,GADWriteI/OFlowtoMDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,4.WritetoRDKC,GADWriteI/OFlowtoMDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,5.Releaseexclusivelock,GADWriteI/OFlowtoMDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,6.Returngood,GADWriteI/OFlowtoRDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,1.WriteI/O,GADWriteI/OFlowtoRDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,2.Setexclusivelock,GADWriteI/OFlowtoRDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,3.WritetoMDKC,GADWriteI/OFlowtoRDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,4.WritetoRDKC,GADWriteI/OFlowtoRDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,5.Returngood,WhenanwriteI/Oisreceivedfromthehost,dataiswrittentoboththeactiveandthestandbyDKCsinordertosynchronizethedatabetweenthetwoDKCs.RegardlessofwhetherthewritecommandfromthehostisreceivedintheMDKCortheRDKC,thedataisalwayswrittentotheMDKCfirstandthentotheRDKC.AlllocksarecontrolledintheMDKCinPMwhichisontheMPB,noquorumaccessisrequired.Alllockingisdoneonanextentlevel.,GADWriteI/OFlowtoRDKC,MDKC,RDKC,HAmirroring,QRM,QuorumDKC,Prod.Server-1(Active),Prod.Server-2(Active),App/DBMS,App/DBMS,App/DBMSclustering,6.Releaseexclusivelock,3.2GADHDLMRequirement,HDLMrequiredinitiallyatmetrodistances:DKCreturnsinformationindicatingprioritizedpathornon-prioritizedpathwithSCSIInquiryofeachpath.HDLMhandlesthepathforwhichprioritizedpathisreturnedwithSCSIInquiryastheshortestpathtothedata.DKCchangesthecontentreturnedwithSCSIInquirytoinformationofnon-prioritizedpathwhenanewHMOinthehostGroupwhencrosssitepathisset.,*NOTE:ALUAsupporttargetisV03,thiswillnegatetheneedforHDLMforOSsandpathfailoverproductsthatsupportALUA.,StorageManagementServerClusteredHCSserverisrunning,wherethelocalHCSserverenablesHAmanagementInthecaseoflocalsitefailure,theremoteHCSservertakesovertheHAmanagementHCSDBshouldbereplicatedwitheitherTCorHAPairManagementServersRunsHDvMAgent/CCIHCSmanagementrequeststoconfigure/operatetheHAmirrorsviathecommanddevice,HCSoffersefficientmanagementofGlobal-ActiveDevicesWhileprovidingcentralcontrolofmultipleDKCs,3.3Global-ActiveDevice,Primarysite,Quorumsite,Primarysite,Alternatesite,MDKC,RDKC,QRM,QuorumDKC,Primarysite,Alternatesite,MDKC,RDKC,QRM,QuorumDKC,MDKC,RDKC,QRM,QuorumDKC,3SitesEachDKCislocatedonaseparatesiteProvidesmaximumlevelofbusinesscontinuityforanytypeofDKCfailures,orsitefailures(Primarysite,Alternatesite,Quorumsite)QuorumdiskcanresideonaHURtargetDKCconnectedviaUVMandFCIP2SitesMDKCandQuorumDKCsarelocatedontheprimarysiteProvidesmoderatelevelofbusinesscontinuityforanytypeofDKCfailures,oralternatesitefailureSingledatacenterAlltheDKCsarelocatedonthesamesiteProvidesbusinesscontinuityforDKCfailures,butcannotmaintainthebusinessforasitefailure,Toachievethemaximumlevelofbusinesscontinuity,youwillneedtoConfigureGlobal-Activedevicewith3DC,3.4Global-ActiveDeviceSupportedConfigurations,HAmirroring(Healthy),HAmirroring(Healthy),HAmirroring(Healthy),2SitesAlternateandquorumDKCsarelocatedonthealternatesiteIfthealternatesitefailsthentheprimarysiteisblockedandyouareinaDRsituationandmustforcedeletetheGADpairsandre-boottheserversontheprimarysite.Thereforewewillnotsupportthisconfigurationaswefeelthatweshouldnevertakedowntheprimarysiteifthealternatesitefails.,3.4.1Global-ActiveDeviceNon-SupportedConfiguration,3.5GlobalActive-DeviceQuorumDisk,Config-1,3.6GlobalActive-DeviceQuorumDiskHealthCheck,QuorumDiskHealthCheck:Frequencyisevery500ms256kdatatransfer,readofpairbitmaptable15secondtimeout,sameasstandardUVMSIMisgeneratedwhenquorumdiskisblockedSIMisgeneratedwhenquorumdiskisrecovered,QuorumdiskcanbeusedoverFCIPwithUVMlinkconnectionstotheHURtargetDKCwhenthecustomerrequiresaGAD3DCconfiguration.Maximumdistanceisstilltobedetermined.QuorumdiskwillbemonitoredthroughHTnM,useralerteduponquorumfailureandrecovery.,3.7Global-ActiveDeviceRecovery,Whenafailureoccurs,manualoperationsarerequiredforrecoveringtheHAmirrorings,RecoveringthefailureBeforerecoveringbacktoHAstatus,recoverthefailedcomponentsRecoveringtheHAmirroringWhenexecutingthe“swap-resync”operation,PVOL/SVOLdirectionchangesandHAinitiatesdatacopyfromtheRDKCtotheMDKCWhencompletingthedatacopy,HAchangesthe“Healthy”statusbackto“Pair”statusandreplicationisnowbi-directionalagainSwappingPVOL/SVOLdirectionWithexecutinganother“swap-resync”,HAswapPVOL/SVOLdirectionfromtheMDKCtotheRDKCThisswapoperationisnotrequiredwhenrecoveringfromaRDKCfailure,MDKC,RDKC,HAmirroring(Suspended),QRM,QuorumDKC,MDKC,RDKC,HAmirroring(Healthy),QRM,QuorumDKC,MDKC,RDKC,HAmirroring(PairState),QRM,QuorumDKC,RecoverfromtheMDKCfailure,Execute“swap-resync”forrecoveringtheHAmirrors,Execute“swap-resyncagain,3.7.1Global-ActiveDeviceRecovery,Recoveringfromaninter-DKClinkfailureIftheinter-DKClinksfailthesidethatsurvivesisthesidethatfirstdetectsthelinkerror.,Analytics,Resources,Tasks&Alerts,HighAvailability,Administration,Dashboard,Mobility,3.8Global-ActiveDeviceManagement,HighAvailabilityGroup-1,TocreateHighAvailabilityvolumesmirroredontwostoragesystems,operateaccordingtofollowingsteps.,Configuretheattributeofportsandinter-storagepaths.,Step1,CreatevirtualDKCandaddresour