DELLEMC

容災(zāi)技術(shù)概述戴爾易安信全面數(shù)據(jù)保護(hù)解決方案全閃設(shè)計(jì)橫向擴(kuò)展軟件定義云端就緒安全可信

SymmetrixVMAXMDDataDomainISILONScaleIOUNITYSCPSVxRailVxRackVxBlockXCXtremIOVMAX-AFADPSECSRecoverPointAvamarUNITY-AFA高端入門(mén)級(jí)融合/超融合數(shù)據(jù)保護(hù)非結(jié)構(gòu)化數(shù)據(jù)中端全閃存軟件定義SC-AFAISILONF800PowerMAXIDPA容災(zāi)概念RPORTORecoveryPointObjective

復(fù)原點(diǎn)目標(biāo)RecoveryTimeObjective

復(fù)原時(shí)間目標(biāo)允許丟多長(zhǎng)時(shí)間的數(shù)據(jù)災(zāi)難后期望多長(zhǎng)時(shí)間恢復(fù)生產(chǎn)DellEMC容災(zāi)技術(shù)歸檔DDCloudTier

ECSPP/PP4VM備份DPS+DD/iDPA

存儲(chǔ)/CDPVMAX/Unity…RecoverPoint雙活VPLEXRPO&RTO=0數(shù)據(jù)長(zhǎng)期保留核心數(shù)據(jù)冷數(shù)據(jù)容災(zāi)技術(shù)DataDomainReplication&CloudTier&DR什么是DataDomain效率低保存難易丟失維護(hù)難容災(zāi)難DataDomainDataDomainReplication復(fù)制與備份及企業(yè)級(jí)應(yīng)用緊密集成備份速度提升

50%最高減少網(wǎng)絡(luò)利用率99%ElasticCloudStorageDataDomainCloudTier&DRCloudTierCloudDR容災(zāi)技術(shù)Unity本地保護(hù)：統(tǒng)一快照快照支持塊和文件系統(tǒng)快照是Unity原生異步復(fù)制的基礎(chǔ)RedirectonWrite存儲(chǔ)池ABCDD’A’ModifyData‘D’SourceSnapModifyData‘A’統(tǒng)一快照快照可以手動(dòng)和自動(dòng)執(zhí)行快照源LUNLUN一致性組FileSystemVMwareDatastore其它Snapshot分層快照LUNs–10級(jí)深度FileSystems–10級(jí)深度SourceMondayTuesdayWednesdayTestSnap1TestSnap2原生的異步復(fù)制（File&Block）本地復(fù)制:源目標(biāo)遠(yuǎn)程復(fù)制:OnetoOne(1:1)OnetoMany(1:N)ManytoOne(N:1)BCDAS1D1D2D3S2S3異步復(fù)制支持的塊資源:LUNsConsistencyGroupsVMwareVMFSDatastores支持的File資源:FileSystemsNASServersVMwareNFSDatastores原生的同步復(fù)制（Block&File）FCSwitchLANorWANSourceSystemDestinationSystemReplicationManagementReplicationDataTransferCreate同步復(fù)制:(Block&correspondingSnapshots)Block:LUNs,ConsistencyGroups,andVMFSDatastoresFile:NASServers,FileSystems,andVMwareNFSDatastoresRemotereplicationtargetsonlyBothsystemsmustsupportSyncReplicationManagedinUnispherealongwithAsynchronousReplicationsessionsConfigurablethroughGUI,CLI,andRESTAPIRemoteOnly–OnetoOne(1:1)Relationship原生的同步復(fù)制AvailableTopologiesABABOneWayBi-DirectionalS1D2D1S2容災(zāi)技術(shù)VMAXSRDFVMAX數(shù)據(jù)保護(hù)技術(shù)DellEMCProtectPoint集成的數(shù)據(jù)備份DellEMCSRDF遠(yuǎn)程數(shù)據(jù)保護(hù)(2,3,4&Metro站點(diǎn)技術(shù))DirectDellEMCSnapVX本地?cái)?shù)據(jù)保護(hù)VMAXSRDFOverview(SymmetrixRemoteDataFacility)兩站點(diǎn)三站點(diǎn)四站點(diǎn)SRDF/StarwithConcurrentSRDFCascadedSRDF組合了ConcurrentSRDFwithCascadedSRDFSRDF/Synchronous同步SRDF/Asynchronous異步ConcurrentSRDFCascadedSRDFConcurrent

2-SiteDRNew

2-SiteDRVMAXSRDF設(shè)備基礎(chǔ)概念R11設(shè)備R11是源端（生產(chǎn)端）的設(shè)備，可被主機(jī)讀/寫(xiě)R11做為源，連接到兩個(gè)R2設(shè)備R1/

R2設(shè)備R1是源端（生產(chǎn)端）的設(shè)備，可被主機(jī)讀/寫(xiě)R2是目標(biāo)端（遠(yuǎn)端）的設(shè)備，通常只讀模式VMAXSRDF設(shè)備基礎(chǔ)概念R22設(shè)備R22關(guān)聯(lián)兩個(gè)R1設(shè)備，但同時(shí)只能有一個(gè)R1設(shè)備生效R21設(shè)備R21設(shè)備既是源端，又是目標(biāo)端VMAXSRDF/Synchronous同步模式PrimaryLimiteddistance1423SecondaryR1R2VMAXSRDF/Asynchronous異步模式Primary12SecondaryR1R2Unlimiteddistance3VMAXSRDFConcurrent模式SRDF/ASRDF/S備站點(diǎn)(異地)主站點(diǎn)備站點(diǎn)(同城)R11R2R2主站點(diǎn)第三站點(diǎn)14SRDF/A3SRDF/S22AR1第二站點(diǎn)R21R2VMAXSRDFCascaded模式VMAXSRDF

Star模式ConcurrentSRDF/StarSRDF/ASRDF/S備站點(diǎn)(異地)主站點(diǎn)備站點(diǎn)(同城)R11R21R22SRDF/ARecoverySRDF/ASRDF/S備站點(diǎn)(異地)主站點(diǎn)備站點(diǎn)(同城)R11R21R22SRDF/ARecoveryCascaded

SRDF/StarHYPERMAXOS5977.691.684introducedSRDF/MetroVMAXSRDF

Metro模式SRDFLinksR1R2Read/WriteR2Read/WriteSRDFLinksR1R2Read/WriteRead/WriteR2ClusterMulti-PatherProtectPoint—數(shù)據(jù)安全的貼身伴侶VMAX、PowerMax及XtremIO用戶(hù)介質(zhì)服務(wù)器生產(chǎn)服務(wù)器備份

應(yīng)用裝置DATADOMAIN20倍備份速度更快恢復(fù)速度更快10倍主存儲(chǔ)ProtectPoint容災(zāi)技術(shù)RecoverPointRecoverPoint數(shù)據(jù)保護(hù)技術(shù)連續(xù)數(shù)據(jù)保護(hù)邏輯故障恢復(fù)數(shù)據(jù)低帶寬傳輸RecoverPoint版本

本地?cái)?shù)據(jù)保護(hù)

遠(yuǎn)程數(shù)據(jù)保護(hù)本地和遠(yuǎn)程數(shù)據(jù)保護(hù)節(jié)省帶寬成本015122313924015122313924015122313924壓縮僅復(fù)制改變的數(shù)據(jù)塊015122313924015122313924重復(fù)數(shù)據(jù)刪除保護(hù)數(shù)據(jù)量傳輸數(shù)據(jù)量重復(fù)刪除和壓縮技術(shù)，極大的降低帶寬成本重復(fù)數(shù)據(jù)去重把數(shù)據(jù)切分為512字節(jié)數(shù)據(jù)塊確認(rèn)數(shù)據(jù)塊是否重復(fù)或已被復(fù)制壓縮復(fù)制唯一的數(shù)據(jù)塊NetworkBACCDDBABACBACBCDDABABACDDisasterrecoveryarray基于Avamar技術(shù)BACCDDBABACBACBCDDABABACDRecoverPoint工作原理WAN/SAN工作方式RPAs(cluster)日志卷本地保護(hù)遠(yuǎn)程保護(hù)主機(jī)日志卷RPAsSplitterLocalCopyrArCrBRemoteCopyrArBSplitterRecoverPointCDP12AM12AM備份ProvidesDVR-like,ANYPoint-In-Timeaccesstodata數(shù)據(jù)中斷：3:28pm12+Hrs3+Hrs8AM10AM12PM2PM4PM6PM8PM10PM12AM3:27PM快照8AM11PM1PM6PM容災(zāi)技術(shù)VPLEX主動(dòng)-被動(dòng)數(shù)據(jù)中心站點(diǎn)B—被動(dòng)站點(diǎn)A—主動(dòng)主動(dòng)-被動(dòng)站點(diǎn)在發(fā)生故障時(shí)使用災(zāi)難恢復(fù)

站點(diǎn)上的數(shù)據(jù)停機(jī)后移動(dòng)應(yīng)用程序傳統(tǒng)陣列復(fù)制實(shí)例A活動(dòng)故障域LUN2P

LUN1P

實(shí)例B被動(dòng)故障域LUN2P

LUN1P

手工啟動(dòng)主機(jī)復(fù)制陣列復(fù)制主機(jī)或應(yīng)用層數(shù)據(jù)復(fù)制消耗主機(jī)CPU周期可能有多種復(fù)雜復(fù)制解決方案陣列復(fù)制在每一個(gè)站點(diǎn)需要相同的陣列型號(hào)/廠商一些保護(hù)方法可能導(dǎo)致數(shù)據(jù)丟失，如果使用…每天晚上的備份快照或克隆災(zāi)難恢復(fù)測(cè)試可能置主站點(diǎn)于危險(xiǎn)之中VPLEXRPO/RTO=0持續(xù)的數(shù)據(jù)可用性交付RPO/RTO=0環(huán)境跨存儲(chǔ)及站點(diǎn)的零中斷數(shù)據(jù)遷移宕機(jī)0

中斷0VPLEX架構(gòu)原理創(chuàng)建虛擬卷VirtualVolume發(fā)現(xiàn)

后端存儲(chǔ)上的卷、LUNs構(gòu)建

利用LUN構(gòu)建設(shè)備devices輸出

通過(guò)前端口把卷映射給主機(jī)展現(xiàn)

設(shè)備devices作為虛擬卷展現(xiàn)1234

VirtualVolumes33DistributedVirtualVolumesOverSynchronousDistance站點(diǎn)A站點(diǎn)BVPLEX環(huán)境下數(shù)據(jù)訪(fǎng)問(wèn)VPLEX在VMWare環(huán)境的使用跨數(shù)據(jù)中心vMotion：無(wú)中斷的負(fù)載均衡、運(yùn)維及負(fù)載再分配ActiveFailureDomainAActiveFailureDomainBVPLEXMetroVMwareDRSVMwareHAVMwarevMotionCertifiedActive–Active解決方案VPLEXDistributedVirtualVolumeVPLEXDistributedVirtualVolumeVPLEXWitness自動(dòng)Failover,

配合VmwareHA實(shí)現(xiàn)無(wú)中斷的數(shù)據(jù)高可用主機(jī)無(wú)中斷

存儲(chǔ)故障也不會(huì)影響主機(jī)業(yè)務(wù)

VMwareDRS充分利用兩個(gè)故障域的計(jì)算和存儲(chǔ)資源VPLEX+Recoverpoint

VPLEXLocal保護(hù)本地生產(chǎn)數(shù)據(jù)