摘要： 高可用性要求当硬件或软件系统发生故障时，运行在该系统上的数据不会丢失，而且在尽可能短的时间内恢复应用系统的正常运行。文章基于一个国际间合作项目，研究了高可用性集群技术，大大提高了系統的可用性，取得了很好的效果。

关键词: 高可用性, 故障转移, 故障恢复, 虚拟服务

Abstract: High availability requires that the data running on the system won't be lost when the hardware or the software goes wrong, and the application system can be recovered to run properly as soon as possible. This paper is based on an international cooperative project. It researches the techniques of high availability cluster, greatly improves the availability of the system and has gained pretty good effects.

中图分类号: 

• TP393.03