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tape library
(redirected from Tape libraries)

   Also found in: Dictionary/thesaurus, Wikipedia 0.01 sec.
tape library
A high-capacity data storage system for storing, retrieving, reading and writing multiple magnetic tape cartridges. Also called a "tape automation system," it contains storage racks for holding the cartridges and a robotic mechanism for moving the cartridge to the drive.

Tape libraries are available for 3480, 3490, Magstar, Magstar MP, DLT, 4mm DAT, 8mm and Travan tape cartridges. Smaller units can have several drives for simultaneous reading and writing and may hold from a handful to several hundred cartridges. Large units support dozens of drives and hold several thousand cartridges.

Accessing data in a tape library can take from 15 seconds to a minute in order to find, retrieve and load a cartridge, making it available for reading and writing.

A Massive Tape Library
StorageTek's RedWood SD-3 tape libary is one of the largest in the world and can hold up to 6,000 helical scan cartridges. Each cartridge holds 50GB, which if fully populated would store 300 terabytes of data. (Image courtesy of Storage Technology Corporation.)


Changer Mechanism
All tape and disk libraries have a robotic-like device that retracts and inserts the cartridges and moves them to the read/write heads. This photo shows the mechanism in an AIT library from Cambridge Computer Services, Inc. (www.cambridgecomputer.com). The tapes are held in a rotating carousel (left) that can hold hundreds of cartridges.

tape library [′tāp ‚lī‚brerĀ·ē]
(computer science)
A special area, most often a room within a computer installation, used to store magnetic tapes.


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This feature is unique to the industry, providing a key competitive advantage over other mainframe virtual tape libraries.
com (Staff) Tandberg Data has launched a new range of virtual tape libraries offering users the chance to export data to both virtual tape and physical tape.
Summary: This new release completes the range of NEC tape libraries, with the NEC T16A2 introduced in July 2008.
 
 
 
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