Failover is the planned or unplanned shutdown of the primary system and includes the accompanying task of bringing a standby node online to take over the processing load.
故障转移是主系统在计划内或计划外的关闭，并包括完成将备用节点置于在线以接管处理负载的任务。
They are aimed at either cleaning the water in the primary system, providing separate shutdown cooling functions, water chemistry, charging and volume control, makeup water.
它们的目标是清理主系统的水，提供分离的停止，冷却的功能，水化学，装料及容量控制，补充水。
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