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1、业务连续性数据保护方案 演讲人姓名李馨演讲人职务EMC华南区客户技术主管 ESG对业务停顿容忍值的研究报告 EnterpriseStorageGroupReport2006September 业务停顿 Downtime 金钱损失 业务恢复之前数据数据库操作系统主机网络必须到位 数据遗失原因分析 Source ONTRACKDataRecovery Inc 异构环境中数据复制的痛点 应用系统数据一致性问题 毁坏之保护 本地端 异地端 SAN SAN SAN 应用系统反应时间 现有基础架构 容灾恢复测试演练 网络通讯成本 决策考虑重点 数据恢复点目标 RPO 主要决策指标 业务层次的考虑 技术层次
2、的考虑 花费成本 服务恢复时间目标 RTO 性能 带宽 容量 恢复及数据一致性 功能性及可用性 RecoverPoint的定位 数据恢复点目标 RPO 数据遗失量 服务恢复时间目标 RTO 服务恢复所需时间 Automation Replication Restorefromtape Replication Tapebackup 几秒 几分钟 几分钟 RecoverPoint立即恢复 无论数据容量有多大 EMC持续性数据保护方案 SAN WAN 支援异构存储平台及异构操作系统 可将数据反复恢复至任一时间点 RecoverPoint 网络式外挂 Out Band 设计架构CDP 本地端持续性数据
3、保护 ContinuousDataProtection CRR 异地端持续性数据复制 ContinuousRemoteReplication HistoryJournal HistoryJournal RecoverPontAppliance RecoverPontAppliance Localsite Remotesite CDP CRR STK HP IBM HDS EMC RecoverPoint本地端数据保护处理流程 1 Datais split andsenttotheRecoverPointapplianceinoneoftwoways 4 Theappliancewritesda
4、tatotheJournalvolume alongwithtimestampandapplication specificbookmarks 5 Write order consistentdataisdistributedtothereplicavolumes Productionvolumes Replicavolumes Journalvolume 2a Hostsplitter 3 WritesareacknowledgedbackfromtheRecoverPointappliance 2b CiscoSANTapfabricsplitter CDP Localsite A C B
5、 2a Hostsplitter 2b CiscoSANTap 7 DataiswrittentotheJournalvolume Remotesite L Historyvolume 3 WritesareacknowledgedbackfromtheRecoverPointappliance 5 Dataissequenced checksummed compressed andreplicatedtotheremoteRPAsoverIP eitherasynchronous orsynchronousandbi directional 4 Appliancefunctions FC I
6、Pconversion Replication DataReductionandcompression Monitoringandmanagement 1 Datais split andsenttotheRecoverPointapplianceinoneoftwoways 6 Dataisreceived uncompressed sequenced andchecksummed 8 Consistentdataisdistributedtotheremotevolumes RecoverPoint异地端数据复制处理流程 CRR RecoverPoint整合CRR与CDP功能 Perfor
7、mancearchitectureOut of banddesignleveragingintelligenthostandfabricinterfacesDesignedtoworkinenterprise classenvironmentsReplicationacrossheterogeneousstorageLeverageexistingstorageinvestmentsCo existswithlocalCDPTruebi directional any to anyreplicationReplicatebetweenarraysReplicatefromonetomultip
8、learraysReplicatefrommultiplearraystoone TrueCDPdataprotectionforapplicationsAllwritesstoredinjournalwithapplicationbookmarksforrecoverySourceandtargetcanbeondifferent heterogeneousstoragearraysUnifiedmanagementinterfaceRemotelyconfigure monitor manageCDP CRRProgrammingCLIforintelligentscripting Rec
9、overPoint让恢复变得很简单 从GUI管理介面点选一个恢复时间点 UserselectsbybookmarkorpointintimeRecoverPoint将数据恢复至该时间点并允许read write存取作业Userchoosesvirtual orphysicaltarget Existingjournaldata usedtoplaybackchangestoappropriatebookmarkorpointintimeTargetmountedtorecoveryserver 所有新异动数据完整保存于日誌卷 Existingdisaster recoveryprotectio
10、nnotimpactedImagechangescommittedonrequest多种恢复应用范例 FailoverproductiontoimageStartnewapplicationfromimageSurgicallyrepairdatafromimageFastproductionresynchronizationRollbackproductionfromchangedblocksRollbackorBackupplanSourceforbackupDataanalysisDisaster recoverydevelopmentandtesting firedrill 数据恢复与
11、应用系统整合 时间 日期Identifiestimeimagewassaved容量大小Identifiessizeofimageforrecovery书签 Bookmarks System generatedgroupbookmarks e g SAPxxx User generatedbookmarksSystem event generatedbookmarks与应用系统整合Oracle9onSolarisExtractsOracleRBA SCNfromimageRelativeBlockAddress RBA SystemChangeNumber SCN MicrosoftExchan
12、geServerMicrosoftVirtualShadowCopyServices VSS frameworksupportMicrosoftSQLServerMicrosoftVirtualDeviceInterface VDI frameworksupport RecoverPoint先进功能 整合CRR与CDPBi directionalreplicationandcontinuousdataprotectionOut of bandarchitecturedoesnotimpactapplicationperformance基于策略的 policy based 管理Establish
13、policestomanageresourcesOptimizebasedondifferingrecovery pointandrecovery timeobjectives智能式数据恢复RecovertoanypointintimeApplicationintegrationforrecovery CRR容灾范例 Solutionbenefits Bi directionalreplicationbetweennon EMCstorageandEMCstorageProtectsstorageandserverinvestmentsQuickrecoveryandresynchroniza
14、tionbetweensitesintheeventofadataloss LocalvolumesonIBM RemotevolumesonCLARiiONCXseriesarray RecoverPoint RecoverPoint SAN WAN SAN SAN Localsite Remotesite ProductionvolumesresideonIBMstorage Heterogeneousproductionservers ReplicavolumesresideonEMCCLARiiONCXseriesarray 从HDS IBM相互备援到EMCCLARiiON Local
15、volumesonHDS Solutionbenefits ProtectvolumesusingCDPmirrorsonhigh capacity lower costdrives SATAII ImmediaterecoverytoanypointintimeCanbecombinedwithotherEMCsolutionstooptimizethestorageinfrastructurethroughinformationlifecyclemanagement CDP范例 Productionservers ProductionserverscanbeanymixofWindows2
16、000orWindows2003systems CDPVolumesresideonCLARiiONSATA 2 ProductionvolumesresideonCLARiiONTier1 RecoverPointJournalVolumes CDPreplication EMCCLARiiON RecoverPoint SE CLARiiON一台搞定 Solutionbenefits HeterogeneousdataprotectionImmediaterecoverytoanypointintimeCanbecombinedwithotherEMCsolutionstooptimizethestorageinfrastructurethroughinformationlifecyclemanagement CDP范例 Journalvolumes SATAstorage Productionvolumes Replicavolumes Productionservers ReplicavolumesresideonHDSarray Productionvolumesreside
