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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.
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.
The Rheinturm (pronounced [ˈʁaɪntʊʁm]; 'Rhine Tower') is a 240.5-metre-high (789 ft) concrete telecommunications tower in Düsseldorf, capital of the federal state of North Rhine-Westphalia, Germany. Construction commenced in 1979 and finished in 1981. The Rheinturm carries aerials for directional radio, FM and TV transmitters.
Rotary storage systems are filing cabinets; specialised office furniture units usually consisting of a double sided rotating unit, allowing the user to access two full sides of filing from one point. A foot pedal or lever is often used to operate the rotation mechanism, thus allowing user easy control.
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.
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 ...