1 绪论..............................................................................................................................................21.1.概况..........................................................................................................................................21.1.1.容灾的定义...................................................................................................................21.1.2.容灾的评价指标...........................................................................................................21.1.3.容灾的分类...................................................................................................................31.1.4.容灾的等级划分...........................................................................................................31.2. 技术篇....................................................................................................................................41.2.1.数据备份技术...............................................................................................................51.2.2.数据复制技术...............................................................................................................61.2.3.灾难检测技术...............................................................................................................71.2.4.系统迁移技术...............................................................................................................81.3. 展望篇....................................................................................................................................81.3.1.业务连续性...................................................................................................................81.3.2.持续数据保护...............................................................................................................92.1 容灾分类..................................................................................................
