采用冗余部件，通过系统备份、监测与恢复实现高可用性是机群必须具备的性能。
To get high availability, adopting redundancy components, system backup, detection and recovery method, is cluster operating system's necessary function.
机群就是通过高性能网络或局部网络将一组计算机系统(节点)互联，形成的具有单一系统映像的高性能、高可用性、高扩展性的计算机集群系统。
Cluster is a system which is connected with a group of node computers via high performance network or local area network and provides high performance, high availability and high scalability.
机群就是通过高性能网络或局部网络将一组计算机系统(节点)互联，形成的具有单一系统映像的高性能、高可用性、高扩展性的计算机集群系统。
Cluster is a system which is connected with a group of node computers via high performance network or local area network and provides high performance, high availability and high scalability.
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