业务连续性数据保护方案

《业务连续性数据保护方案》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

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.方案:切换至DR端方案:RecoverPoint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SANSANSAN应用系统反应时间现有基础架构容灾恢复测试演练OracleExchangeSQLOrac

2、leExchangeSQL网络通讯成本异构存储设备STKIBMHPHDSEMCSTKIBMHPHDSEMC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)DaysWeeksHrs.DaysWeeksSec.Min.Min.Hrs.AutomationReplicationRestorefromtapeSec.ReplicationTapebackup几

3、秒~几分钟几分钟RecoverPoint立即恢复~无论数据容量有多大STKHPIBMHDSEMCEMC持续性数据保护方案SANWANSANSAN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:本地端持续性数据保护(ContinuousDataProtection)CRR:异地端持续性数据复制(ContinuousRemoteReplication)HistoryJournalHistoryJournalRecoverPontApplianceRecoverPontApplian

4、ceLocalsiteRemotesiteCDPCRRSTKHPIBMHDSEMCRecoverPoint本地端数据保护处理流程1.Datais“split”andsenttotheRecoverPointapplianceinoneoftwoways4.TheappliancewritesdatatotheJournalvolume,alongwithtimestampandapplication-specificbookmarks5.Write-order-consistentdataisdistributedtothereplicavolumesProdu

5、ctionvolumesReplicavolumesJournalvolume/A/C/BrArCrB2a.Hostsplitter3.WritesareacknowledgedbackfromtheRecoverPointappliance2b.CiscoSANTapfabricsplitterCDPLocalsite/A/C/B2a.Hostsplitter2b.CiscoSANTap7.DataiswrittentotheJournalvolumeRemotesiteL.HistoryvolumerArCrB3.Writesareacknowledgedb

6、ackfromtheRecoverPointappliance5.Dataissequenced,checksummed,compressed,andreplicatedtotheremoteRPAsoverIP(eitherasynchronous,orsynchronousandbi-directional)4.Appliancefunctions•FC-IPconversion•Replication•DataReductionandcompression•Monitoringandmanagement1.Datais“split”andsenttothe

7、RecoverPointapplianceinoneoftwoways6.Dataisreceived,uncompressed,sequenced,andchecksummed8.ConsistentdataisdistributedtotheremotevolumesRecoverPoint异地端数据复制处理流程CRRRecoverPoint整合CRR与CDP功能PerformancearchitectureOut-of-banddesignleveragingintelligenthostandfabricinterfacesDesignedtoworki

8、nenterprise-