出典:Wikipedia
出典:『Wikipedia』 (2011/01/15 13:20 UTC 版)
The term "disk-to-disk", or "D2D", generally refers to disk-to-disk backup. With D2D, a computer hard disk is backed up to another hard disk rather than to a tape or floppy. D2D is often confused with virtual tape, but differs in that it enables multiple backup and recovery operations to simultaneously access the disk directly by using a true file system.
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Per disk
a disk used in the discus throw
a hard disk that can be removed from the disk drive
the upper part of a magnetic disk, called {sector}
the usable capacity of a disk drive
a device of a computer that drives a floppy disc, called disc drive