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The technique of keeping track of the status of a cluster by sending and receiving
heartbeat messages is the major difference between HACMP HAS and
HACMP/ES. HACMP HAS uses the network modules (NIMs) for this purpose.
These communicate their results straight through to the HACMP Cluster
Manager. HACMP/ES uses the facilities of RSCT, namely Topology Services,
Group Services, and Event Management, for its heartbeats
接收和发送心跳信息以跟踪集群状态的技术是HAS和ES版本的主要区别。HAS使用NIM达到这个目的。NIMs直接将状态信息传递给cluster manager。ES通过RSCT,也就是拓朴服务,组服务,以及事件管理,等方法来管理心跳信息 |
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