A Virtual Tape Library (VTL) is an emulation of a physical tape library on a disk-based deduplication and compression system such as the DR Series system. The tape library is exposed to a Data Management Application (DMA) as if it is a physical library with tape drives and cartridges, which the application uses for backup. Because a VTL completely emulates a standard library, the introduction of virtual tape is seamless and transparent to existing tape backup/recovery applications. The management of the library, including the drives and tapes, is done by the DMA using SCSI commands. For details on the applications supported, see the DR Series System Interoperability Guide.
Tapes are parked in Slots before they are retrieved by the data management application for access. |
The DR Series system supports the following virtual tape library (VTL) tape access protocols.
The DR Series system VTL container type is designed to work seamlessly with the NDMP protocol.
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