近年来随着数据中心体系结构的建设，灾难备份技术越来越受到各业界的重视.介绍数据中心系统灾备的意义和目标，给出灾备和恢复的指标体系以及灾备的实现技术.针对银行业数据中心的单点故障、逻辑故障以及自然灾难的情况，提出并设计数据及应用的备份和恢复方案，使业务能够可靠、安全和持续的运行.

With the rapid development of data center construction in recent years, the importance of disaster recovery is increasingly recognized in all industries. This paper discusses the significance of data recovery for open systems in the banking industry, and introduces an index system of data and system recovery. A strategy is proposed to recover a system on the condition of onepoint error, logic error and natural disaster in order to maintain security, sustainability and reliability of the system operations.