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PRIMECLUSTER优先级策略的介绍及日常维护方法
资源介绍
优先级策略
共享存储
Node B
Start Job A
Node A
Job A
Stop Job A
Job B
Stop Job B
Problem!
不但提供了更高的可用性,还可以为各种提供不同的优先级
This is a variation of the previous scenario. Here the the main job is too big to share resources so it is failed-over tov a machine where the applications can be stopped. Typically this is a development machine. So for the time of the failure all development work stops to allow all resource be available for the real-time application.
Development work can either be restarted on the failed node once it is recovered, or the application swapped back.