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redundant array of inexpensive libraries (RAIL)

Redundant Array of Inexpensive Libraries (RAIL) is a data protection software for Redundant Array of Independent Tapes

(RAIT). RAIL was developed for hard disk arrays, but is used in tape drive arrays. Using RAIT provides a "virtual tape drive" that is actually made up of multiple physical tape drives. This increases write speed

, which isimportant for large data backup operations; at the same time, it reduces

therisk of

data loss. RAIL applies the same concept to tape library systems: Each tape library consists of multiple tape drives.

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Englisch: redundant array of inexpensive libraries - RAIL
Updated at: 02.04.2008
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