群集服务是当前操作系统的一个主要环节和关键。本文介绍了群集服务的一些基本概念,从透明性和可靠性角度阐述了一种典型群集服务软件——OS群集服务软件的系统结构,并介绍了OS群集服务的虚拟服务器和网络资源与失效管理的机制,描述了群集服务的一些典型应用实例。 Cluster service is a major part of the current operating system and the key. This paper introduces some basic concepts of cluster service, expounds the system architecture of a typical cluster service software --OS cluster service software from the perspective of transparency and reliability, and introduces the virtual server and network resource and failure management of OS cluster service The mechanism describes some typical application examples of cluster services.