Virtual Tape System

What Does Virtual Tape System Mean?

A virtual tape system (VTS) is a cloud or virtual data storage and backup system that uses magnetic-tape-based consolidated storage infrastructure to store and retrieve data.


A virtual tape system combines the functionality of disk cache and a virtual tape library to deliver a data storage and backup solution that can be accessed over the Internet or through an IP network.

A virtual tape system may also be referred to as a virtual tape server.

Techopedia Explains Virtual Tape System

A virtual tape system works like a typical magnetic tape storage system but is enabled and integrated with cloud storage and virtualization techniques. A virtual tape system is generally implemented to achieve enhanced storage management performance and reduce disk cartridge waste.

VTS eliminates data retrieval latency by storing an instance of frequently used programs in disk caches to provide faster access to the data. VTS also uses a virtual tape library (VTL) built over storage virtualization to reduce the amount of tape disk required.


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Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.