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A method of protecting data from a catastrophic hard disc failure or for long term data storage. As each file is stored on the hard disc, a mirror copy is made on a second hard disc or on a different part of the same disc. See also Mirror.
- Browse Related Terms: Ablate, CD-ROM, Compact Disc (CD), DAD (Digital Audio Disc), Disc mirroring, DVD (Digital Video Disc or Digital Versatile Disc), Erasable Optical Drive, HD (High Density), Juke-Box, jukebox, Laser Disc, MAPI Mail Near-Line, Mastering, Near-Line Data, Optical Discs, Phase Change, Physical Ddisc, Rewriteable Technology, volume