XX地税本地数据备份及异地数据级灾备项目建设方1一、数据备份及异地灾备系统项目分析...............................................................................................1二、数据备份及异地灾备系统项目调研...............................................................................................32.1国际灾备系统的定义以及容灾级别.............................................................................................32.2国际标准灾备系统的组成.............................................................................................................62.3计算机系统灾难分析.....................................................................................................................72.3.1自然灾害：..............................................................................................................................73.3.2计算机系统故障：..................................................................................................................72.3.3人为因素：..............................................................................................................................82.4国外计算机灾难案例.....................................................................................................................8三．国税总局灾备调研.........................................................................................................................103.1国税总局备份系统设计原则.......................................................................................................103.2国税总局存储备份及管理设计思路...........................................................................................12四、陕西地税数据级灾备需求分析.....................................................................................................224.1建设目的.......................................................................................................................................234.2建设目标：...................................................................................................................................234.3．详细需求分析............................................................................................................................244.3.1备份管理系统具体需求........................................................................................................244.3.2各区服务器备份及容灾需求：............................................................................................264.4、技术指标要求............................................................................................................................284.4.1备份软件................................................................................................................................284.4.2自动磁带库要求....................................................................................................................294.4.3数据远程复制软件要求：....................................................................................................304.4.4存储系统要求：....................................................................................................................31五陕西地税数据备份及异地灾备系统规划.......................................................................................335.1数据备份规划............
