If there is a failure, the database server can move from one machine to a backup system.

如果出现故障，数据库服务器可以从一台机器转移到一个备份系统。

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Media failure occurs when someone accidentally deletes a database file from the file system.

媒体故障出现在有人意外从系统删除数据库文件时。

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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.

技术事件：“硬盘故障”、“服务器启动”或者“数据库空间80%已满”这些都是与系统技术活动以及配置相关的事件的例子。

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