Abstract: Based on the requirements of enterprise IT department, this paper starts with the comparison between enterprise grid computing and the traditional computing, elaborates the technological features of RAC, which is one of the great components of Oracle 10g. Further research is taken and a RAC system is set up, including functions verification, performance test and result analysis.

Key words: Grid computing technology, Real application cluster, Shared disk, Database cache fusion, Transparent application failover

摘要： 以企业IT面临的难题为背景，分析了企业网格计算相对于传统计算的优势，提出了利用网格技术解决企业难题的观点；研究了Oracle 10g核心组件RAC的技术特点，对这些特点的原理进行逐一分析；架设RAC系统实例，并对其进行功能验证、性能测试以及结果分析。

关键词: 网格计算技术, 真正应用集群, 共享磁盘, 高速缓存合并, 透明应用切换