数据库备份可以通过使用系统过程在线执行，也可以使用操作系统复制命令离线执行。恢复操作是通过连接ur l属性提供的。
Database backups can be performed online using system procedures, or offline using operating system copy commands.
安装复制命令和文档，但配置文件需要针对每个系统分别设置。
The installation copies over the commands and documentation. The configuration file needs to be setup uniquely for each system.
在辅助系统上，复制文件或挂载磁带(由LTAPE dev指定)，并用以下命令执行物理恢复。
On the secondary system, copy the files or mount the tape (as assigned by LTAPEDEV) and perform a physical restore with the following command.
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