Based on the research of replication and backup technology of Sybase database and the analysis of existent problems in high-availability database system, this paper designs a disaster recovery scheme of Sybase database.

• 在深入研究Sybase数据库复制与备份技术原理和对高可用性系统存在的问题进行分析的基础上，设计了一种基于Sybase数据库的灾难备份方案。