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 datacartridge 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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While compression adds to the capacity of a cartridge, ultimately the end user or service provider have complete control over what data ends up on any given tape, providing a natural separation.