if failure happens 发生故障时
When a failure happens on one server, then this standby adapter takes over all connections from the other server.
当一台服务器上发生故障时,该备用适配器就从另一服务器上接管所有连接。
It creates new joinable threads ceaselessly until failure happens.
它不断创建新的可接合线程,直至有故障发生。
Whenever a failure happens, it looks for these policies and works accordingly.
当发生故障时,PowerHA寻找这些策略并执行相应的操作。
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