容灾项目方案设计容灾项目设计方案目录第1章容灾技术规范........................................41.1容灾的总体规划.................................................41.1.1技术指标RPO、RTO..................................................41.1.2国际标准SHARE78.................................................51.1.2.1Tier0.........................................................61.1.2.2Tier1.........................................................71.1.2.3Tier2.........................................................71.1.2.4Tier3.........................................................81.1.2.5Tier4.........................................................81.1.2.6Tier5.........................................................81.1.2.7Tier6.........................................................91.1.3界定灾备系统的适用范围.............................................91.1.4界定灾备建设的目标.................................................91.1.5界定灾备系统的总体架构............................................10第2章主流容灾技术说明...................................122.1数据备份......................................................122.2实时数据保护..................................................122.2.1数据镜像（Mirroring）.............................................132.2.2数据复制（Replication）...........................................132.2.2.1软件复制......................................................132.2.2.2硬件复制......................................................152.2.2.3数据库复制....................................................182.2.2.4DatacoreSDS..................................................192.3应用系统恢复..................................................192.4网络系统恢复..................................................192.5容灾切换过程..................................................202.6消防演习......................................................20第3章主流容灾技术分析与对比.............................213.1数据备份......................................................213.2实时数据保护..................................................223.2.1数据镜像（Mirroring）.............................................223.2.1.1硬件镜像......................................................223.2.1.2软件镜像......................................................223.2.1.3软件智能存储镜像..............................................233.2.1.4镜像技术在容灾中的利用........................................233.2.2数据复制（Replication）...........................................233.2.2.1软件复制（卷复制）............................................243.2.2.2硬件复制......................................................243.2.2.3基于软件控制器的复制..........................................253.2.2.4数据库复制....................................................253.3应用系统恢复..................................................273.4网络系统恢复..................................................29第4章容灾系统设计步骤...................................29容灾项目设计方案4.1第一步，深化数据备份系统......................................304.2第二步，存储、应用整合........................................314.2.1存储整合..........................................................314.2.2应用整合..........................................................314.3第三步，实现远程实时数据卷保护.....
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