The database files can be copied from disk to disk or from disk to tape, depending on the backup procedure chosen.

可以将数据库文件从磁盘复制到磁盘，也可以将数据库文件从磁盘复制到磁带，这取决于选定的备份过程。

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Memory is the new disk. Disk is the new tape.

内存是新式磁盘，磁盘是新式磁带机。

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A head crash in a fixed hard disk generally destroys the data, whereas the failure of a tape drive or optical disk drive often leaves the data cartridge unharmed.

对于固定的硬盘，磁头撞击通常会破坏数据，然而磁带或光盘驱动器的错误通常对数据盘碟是无害的。

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We had dot-matrix printers, and floppy disk drives and cassette tape players strewn across every desk in our house.

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For example, you may do initial backups to disk-based storage elsewhere in the data center, with further backups to tape.

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