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What is a Virtual Tape Library (VTL)?

by Rui Miguel Feio in Storage

A Virtual Tape Library (VTL) is a disk (DASD) based backup system that emulates a real tape library system. For the operating system and to those who use the VTL, it’s like working with real tapes, but in reality it’s disk. A Virtual Tape Library has several benefits: Better backup/restore performance – Disk performs better (faster) than tape. Reduce tape media handling – Only data needed for archival purposes will have to be transferred to a tape, which reduces the amount of tape media that is eventually needed. Dynamic disk [...]

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