automated tape library


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automated tape library

[′ȯd·ə‚mād·əd ′tāp ¦lī‚brer·ē]
(computer science)
A computer storage system consisting of several thousand magnetic tapes and equipment under computer control which automatically brings the tapes from storage, mounts them on tape drives, dismounts the tapes when the job is completed, and returns them to storage.
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Automated tape library manufacturers, for example, are putting as much thought and effort into the business case for their machines as they put into the development of new technology.
If this sounds somewhat analogous to an automated tape library with the exception that disks are substituted for tape cartridges, you are headed in the right direction.
Deploying an automated tape library on a SAN allows enhanced backup options and availability, enabling new capabilities such as LAN-free and server-free backup while improving backup reliability, flexibility and performance.
Since STK defined the initial use of the term "nearline" in 1987, in conjunction with their Nearline automated tape library, these systems have enabled a significant percentage of moderately active or less active data to be offloaded from more costly online disk subsystems to less expensive tape libraries.
SATA disks are just now being positioned as a new level in the storage hierarchy between online disk storage and Nearline or automated tape library storage.
Now a $7 billion and growing worldwide market including drives, media and automated libraries, the tape industry has more than a dozen different recording formats and nearly 15 automated tape library suppliers.
With a $7 billion worldwide market, including drives, media, automated loader and libraries, the tape industry has more than 10 different recording formats and nearly 15 automated tape library suppliers.
The most common tape environments will have an automated tape library containing several tape drives and several tape cartridges.
And, with a second source selling drives and media, S-AIT will have a business advantage on top of a technological edge to prevail in the automated tape library market.
This year, 2002, is the 40th anniversary of the automated tape library (ATL).
Though desirable, an automated tape library is not required for tape array implementation.
You may assume that your single automated tape library with ten tape drives could be used for backups at night and HSM during the day.

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