Oracle数据库异地容灾方案介绍2008年11月目录第一章需求分析...............................................................................................................41.1序言.......................................................................................................................41.2用户现状...............................................................................................................41.2.1系统平台....................................................................................................41.2.2数据库平台................................................................................................61.3用户需求...............................................................................................................71.3.1日常功能....................................................................................................71.3.2故障切换....................................................................................................71.3.3基本要求....................................................................................................71.3.4性能要求....................................................................................................81.3.5数据一致性................................................................................................91.3.6系统兼容性................................................................................................91.3.7高可用性..................................................................................................101.3.8健壮性要求..............................................................................................101.3.9设备无关性..............................................................................................101.3.10管理监控功能........................................................................................11第二章OracleDataGuard介绍......................................................................................122.1DataGuard实现原理..........................................................................................122.2OracleDataGuard优势......................................................................................152.3DataGuard提供的保护模式..............................................................................162.4DataGuard实现方式以及对系统的限制要求..................................................172.5切换方式.............................................................................................................17第三章系统建议方案.....................................................................................................183.1DataGuard优势..................................................................................................183.2DataGuard运行模式..........................................................................................193.3DataGuard保护模式..........................................................................................193.4DataGuard初始安装步骤..................................................................................193.5用户需求点对点应答.........................................................................................203.5.1日常功能..............................................................................................
