一旦用户从数据库服务器断开连接，会话将消失。

Once the user disconnects from the database server, the session disappears.

youdao

如果想要判断一个服务器为何在磁盘故障后不能引导，我通常会做的第一件事情是从服务器(根卷组除外)，断开所有磁盘的映射和连接。

If you're trying to determine why a server won't boot after a disk failure, the first thing I often do is to un-map or disconnect all disks from the server except for the root volume group.

youdao

当失去连接或从服务器端断开时在客户端调用。

Called on the client when the connection was lost or you disconnected from the server.

youdao