- 1 企业备份管理系统设计方案 - 2 目录 一、项目背景 ........................................................................................................................4 二、系统需求分析 ............................................................................................................5 2 .1 数据灾难恢复需求分析 ...................................................................................5 2.1.1 灾难恢复时间目标(Recovery Time Object) ......................5 2.1.2 灾难恢复点目标(Recovery Point Object) ...........................6 2 .2 系统现状分析 ......................................................................................................................7 三、备份管理系统设计方案....................................................................................9 3 .1 数据备份系统的基本架构 .............................................................................9 3.1.1 备份系统基础架构概述 ..........................................................................9 3.1.2 备份系统基础架构的组成 ...................................................................1 0 3 .2 备份管理系统网络结构设计 ......................................................................1 2 3 .3 执行备份的硬件和介质 .................................................................................1 4 3.3.1 磁盘存储介质 .............................................................................................1 4 3.3.2 磁带存储介质 .............................................................................................1 5 3 .4 控制备份的软件 ..................................................................................................1 6 3.4.1 备份管理软件的选择 .............................................................................1 6 3.4.2 VERITAS Backup Exec 基于磁盘的数据保护 .....................2 0 3.4.3 VERITAS Backup Exec 数据备份过程 ......................