Normal positions: running condition, hot standby mode, cold standby mode, maintenance condition, and trolley operation conditions, etc.
如错误操作有:运行状态拉合小车、热备用状态合地刀(挂地线)、检修状态合小车等。
In this mode, one server runs in ACTIVE mode servicing requests from the clients and one or more servers run in PASSIVE mode acting as a hot standby for the ACTIVE server in case of a failure.
在该模式中,其中一个服务器以主动模式运行,处理来自客户端的请求;另一个或多个服务器以被动模式运行,在主动式服务器失败情况下即时充当替代服务器的角色。
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