Oracle Real Application Clusters (RAC) 12c Rel. 2 - What's Next?

OracleRealApplicationClusters(RAC)12cRelease2–What’sNext?

MarkusMichalewiczSeniorDirectorofProductManagement,OracleRACDevelopmentDecember4,2017

Markus.Michalewicz@oracle.com@OracleRACpmhttp://www.linkedin.com/in/markusmichalewiczhttp://www.slideshare.net/MarkusMichalewicz

ProgramAgenda

OracleRAC–TheStatusQuo

What’sNextforOracleRAC?

ProgramAgenda

OracleRAC– TheStatusQuo

OracleDatabase10gRAC(*2004)

Oracle9iRel.1Oracle9iRel.2RAC(*2001)

OracleDatabase11gRel.1withRAC

(*2007)

(*2009)

OracleDatabase12cRel.1withRAC

(*2013)

Memory Memory

SALES SALESRow

FormatColumnFormat

(*2016)

OracleRACEvolution

OracleDatabase10gRAC(*2004)

Oracle9iRel.1Oracle9iRel.2RAC(*2001)

(*2007)

(*2009)

(*2013)

Memory Memory

SALES SALESRow

FormatColumnFormat

(*2016)

OracleRACEvolution

Internet Grid/PrivateCloud Cloud

Scalability

HighAvailability EfficientManagement

OracleRACBenefits

OnPremises/PrivateDatabaseCloud

BareMetal/Virtualized

OracleCloudcombinesalldeployments

OracleRACDeployments

Self-Driving -Userdefinesservicelevels,databasemakesthemhappen

Self-Tuning -Continuousadaptiveperformancetuning

Self-Scaling -Instantlyresizecomputeandstoragewithoutdowntime

Self-Securing -Protectionfrombothexternalattacksandinternalusers

Self-Repairing -Automatedprotectionfromalldowntime

LessLabor,LowerCost,FewerErrors,MoreSecure,MoreReliable

RACisNowPartofTheWorld’sFirstAutonomousDatabase

OracleRestartNotacluster,

butbackforgood!

SeeupdatesinMOSNote1584742.1

StandaloneClusterDedicatedclusterforOLTP,DWHormixed-WLsystems.

ClusterDomainDomainServicesCluster(DSC)&MemberClustersforlargeclusterestatesandstorageconsolidation.

ExtendedClusterStandaloneClusterorDSC

maintainingtwoindependentstoragearrays(overdistance).

ArchitectureChoicesOn-Premises

SiteA SiteB

DomainServicesCluster

butbackforgood!

ArchitectureChoicesOn-Premises

SiteA SiteB

DOAGConference2016:https://www.slideshare.net/MarkusMichalewicz/oracle-

extended-clusters-for-oracle-rac

butbackforgood!

ArchitectureChoicesintheOracleCloud(Currently)

SiteA SiteB

Standardizedonè

Planning Unplanned

SharedStorage Network/Interconnect

Virtualization/Container Cloud

OracleRACRequirementsandConsiderations

SharedStorageRequirement

•  SharedstorageisthetoprequirementforOracleRAC.•  BlockstoragethatissupportedassharedstorageforRACbythestoragevendorandtheservervendorissupportedforRAC.https://www.slideshare.net/MarkusMichalewicz/how-to-use-oracle-rac-in-a-cloud-a-support-question

•  Exceptionsprovetherule.–  SharedFileSystemrequirecertification.–  Storagesolutionsmaybesubjectto“specialruling”.

•  Currently,No3rdPartyPublicCloudsupportssharedstorageforOracleRACnatively.•  OracleASMandACFSarebyfarthepreferredstoragemanagementsolutionsforOracleRAC.

Network/InterconnectRequirement

•  TheinterconnectiscrucialtotheoperationofOracleRAC.–  ThinkofitasaRDMAaccesspathratherthananetwork.–  1GigEandredundancyshouldbethebareminimum.–  10GigEandredundancyarestronglyrecommended.

•  Convergednetworksandswitchesaresupported.Routingisnot.–  I.E.combiningpublic/privatenetworkcommunication.•  Infuture,communicationoninterconnectisplannedtobesecuredbydefault.

–  VLANsarealogicalseparation,notaphysicalone.•  E.g.theydonotprotectfrominterferenceonthesamephysicalnetwork.

– Whennetworkandstoragecommunicationarecombined,storagecommunicationshouldgetprioritized.

Virtualization/ContainerConsiderations

•  Choosingavirtualizationsolutionoracontainer-basedinfrastructureisadatabase-independentdecision.• WhetheranOracleRACdatabasecanbeoperatedinaparticularvirtualizationsolution/containeristhequestion.• Manyofthemcanbesupported.Moreinformation:

https://www.slideshare.net/MarkusMichalewicz/how-to-use-oracle-rac-in-a-cloud-a-support-question

– OpenStack,Docker(soon&fortestpurposes),etc.– OracleVMisacertifiedvirtualizationsolutionforOracleRAC.

• WiththeexceptionofOracleRACinOracleVM,thereiscurrentlynobestpracticesrecommendationforanyvirtualizationorcontainer-basedsolutionfromOracle.– Forcontainers,Oracledocumentationisprovided.

CloudConsiderations

•  ChoosingaThirdPartyPublicCloudforOracleRACismainlyalicensingquestionatthispointintime.Discussedhere:https://www.slideshare.net/MarkusMichalewicz/how-to-use-oracle-rac-in-a-cloud-a-support-question

–  Forlicense-restricted3rdPartyPublicCloudsnosupportstatementsareissued.

•  ForanInfrastructureCloud(IaaS)thesamerulesasforvirtualizationsolutions/containersapplyinprinciple.– MostIaaS/3rdPartyPublicCloudsaresubjectto“specialruling”(seeabove).

•  ThreeOracleRACofferingsintheOracleCloud:

1.  IntheOracleCloudInfrastructureComputeClassicService2.  IntheOracleCloudInfrastructureDatabaseService3.  AspartoftheEngineeredSystemCloudServices

Infrastructure

•  VirtualMachines•  Test,Development,DepartmentalApplications

•  OracleAppsUnlimited,PaaS•  ComputeShapes–byOCPU,StandardorHighRAM,2nodes

•  BlockStorage–bytheGB•  Upto7.8TBdatabase

•  BareMetal•  IntensiveTest,Development,DepartmentalApplications

•  CustomApplications•  BareMetalComputeShape–2-nodeRACDBSystem

•  SSDdrivesasstorage•  Upto8.6TBdatabase

•  MissionCritical,IntensiveOLTPandDecisionSupport

•  OracleandCustomApps•  ¼,½andFullRackShapes•  2/4/8-nodeExadataDBSystem•  FixedStorage&RAMbyShape•  Upto168TBdatabase

OracleRACintheOracleCloudInfrastructure(OCI)OCI-ComputeClassic OCI–DatabaseService EngineeredSystems

RetiredeffectiveDec1,2017

ProgramAgenda

OracleRAC–TheStatusQuo

SafeHarborStatementThefollowingisintendedtooutlineourgeneralproductdirection.Itisintendedforinformationpurposesonly,andmaynotbeincorporatedintoanycontract.Itisnotacommitmenttodeliveranymaterial,code,orfunctionality,andshouldnotberelieduponinmakingpurchasingdecisions.Thedevelopment,release,andtimingofanyfeaturesorfunctionalitydescribedforOracle’sproductsremainsatthesolediscretionofOracle.

OnPremises/PrivateDatabaseCloud

BareMetal/Virtualized

OracleCloudcombinesalldeployments

OracleRACWillContinuetoSupportTheseDeployments

On-Premises/PrivateDatabaseCloud

OracleCloud

OptimizationsWillFocusOntheCloud

Ascloudoptimizationsbenefitothers

Scalability

HighAvailability EfficientManagement

OracleRACWillContinuetoProvideTheseBenefits

ThereisneveraperfectsizeScalabilityIsImportant(Again)

Self-Driving -Userdefinesservicelevels,databasemakesthemhappen

Self-Tuning -Continuousadaptiveperformancetuning

Self-Scaling -Instantlyresizecomputeandstoragewithoutdowntime

Self-Securing -Protectionfrombothexternalattacksandinternalusers

Self-Repairing -Automatedprotectionfromalldowntime

https://www.linkedin.com/pulse/unboxing-cloud-oracle-markus-michalewicz/

RACIsPartofTheWorld’sFirstAutonomousDatabase

https://www.linkedin.com/pulse/you-know-ibms-watson-salesforces-einstein-now-meet-michalewicz/ContinueAppliedMachineLearningEfforts

SubjectMatterExpert

MLKnowledgeExtraction

ModelGeneration

HumanSupervision

ApplicationOptimizedModels

Feedback

Better(Fleet)ManagementNoDowntimeScaling,PatchingandUpgradewithRapidHomeProvisioning(RHP)+

•  ZeroImpactPatching•  ZeroDowntimeUpgrade(ZDU)

RHPServer

11.2.0.4.2

11.2.0.4.1

12.1.0.2

11.2.0.4.1

11.2.0.4.2

12.2.0.1 12.1.0.2

12.2.0.1

11.2.0.4.2

11.2.0.4.1

12.1.0.2

RemoteRHPServer

•  GlaaS(GoldImageasaService)

https://www.slideshare.net/MarkusMichalewicz/new-in-oracle-universal-installer-oui

Storage Network/Interconnect

AreasofAdvancementstobeExpected

OracleRACAlwaysChoosesthe“RightPath”

•  RACdeterminestheoptimalpathtoserveblocks–networkordisk

•  SSDsandNVMestoragetechnologycontinuetodrivedownlatency•  e.g.flashstoragemayprovidebetter

accesstimestodatathantheprivatenetworkunderhighload

•  RACtakesthosestatisticsintoaccount

BlockBlock

Networkcongestion

OracleRAC11.2 OracleRAC12.1/12.2 FurtherdowntheRoad

LocalStorageaccess MultiClusterSharedStorage VirtualSharedStoragePool

CrossClustersharingtoocumbersome SingleDomainServiceCluster SingleCommonNameSpace

RemoteASMRemoteACFS

Crossapp/dbshareddata

DataMobility

•  NUSAvirtualizesphysicalstoragefrommanyintegratedserversintoasinglecommonNameSpace.

•  Alldatabasesandapplicationsintheintegratedmulti-clustershareaccesstoaVirtualSharedStoragepool.

•  Availablepost12.2.

Non-UniformStorageArchitecture(NUSA)Model

RACStorageServices

DBInstance

APPS DBInstance

RACStorageServices

DBInstance

APPSDBInstance

Cluster

RACStorageServices

DBInstance

APPS DBInstance

RACStorageServices

DBInstance

APPSDBInstance

Cluster

Virtual Shared Storage

RACStorageServices

DBInstance

APPS DBInstance

RACStorageServices

DBInstance

APPSDBInstance

Cluster

ASM SVC

ACFS SVC

ASM SVC

ACFS SVC

RACStorageServices

DBInstance

APPS DBInstance

RACStorageServices

DBInstance

APPSDBInstance

Cluster

ASM SVC

ACFS SVC

ASM SVC

ACFS SVC

Storage

ASM SVC

ACFS SVC

ASM SVC

ACFS SVC

Storage

ASM SVC

ACFS SVC

ASM SVC

ACFS SVC

Storage Storage

Network/InterconnectAdaptations

•  TheinterconnectiscrucialtotheoperationofOracleRAC.–  ThinkofitasaRDMAaccesspathratherthananetwork.–  10GigEandredundancywillbethenewstandard.–  RDSoverIBwillbeEngineeredSystemspecific.–  RDMAoverConvergedEthernet(RoCE)isupcoming.

•  Convergednetworksandswitchesaresupported.–  Communicationoninterconnectisplannedtobesecuredbydefault.–  Protectionfrominterferenceonthesamephysicalnetworkremainsopen.–  Lookingintosupportingroutingandflatnetworksifpossible.

On-Premises/PrivateDatabaseCloud

OracleCloud

Conclusion–OracleRACisPreparedfortheFuture

Oracle Real Application Clusters (RAC) 12c Rel. 2 - What's Next?

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