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This category revolves around various types of rotating disk computer storage media.The discs may be permanently attached to, or removable from, the computer. For large computer systems such as mainframes and server farms, the discs may be connected to a network, and thus may be situated physically distant from the computers they serve.
A backup rotation scheme is a system of backing up data to computer media (such as tapes) that minimizes, by re-use, the number of media used.The scheme determines how and when each piece of removable storage is used for a backup job and how long it is retained once it has backup data stored on it.
Disk storage is now used in both computer storage and consumer electronic storage, e.g., audio CDs and video discs (VCD, DVD and Blu-ray). Data on modern disks is stored in fixed length blocks, usually called sectors and varying in length from a few hundred to many thousands of bytes. Gross disk drive capacity is simply the number of disk ...
UDO optical disc storage media was developed as a replacement for the 9.1 GB Magneto-optical digital storage medium. The Ultra Density Optical was first announced by Sony on November 1, 2000. [ 2 ] It was later adopted with heavy investment by Plasmon, a UK technology company with extensive experience with computer archival backup systems and ...
In 2007, Japanese broadcaster NHK announced a similar system, based on Blu-ray discs, of stacked optical storage media specifically designed to rotate at high speeds, up to 15,000 RPM. [ 5 ] SVOD was anticipated to be a likely be a candidate, along with Holographic Versatile Discs (HVDs), to be a next-generation optical disc standard.
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