But for this data to be useful after a disk or server crash, it must be stored on another server.
但对于在磁盘或服务器崩溃后有用的数据，必须存储在另外一台服务器上。
2
This feature eliminates the need to switch access to the disk from one server to the other.
该功能免除了将磁盘访问从一台服务器切换至另一台的需要。
3
Technical events: "Hard disk failure", "Server started" or "Database 80% full" are examples of events that relate to the technical activity and configuration of the system.