What is characteristic of a virtual tape library?

The correct answer is A. Uses disk drives as backup media. Virtual Tape Library A virtual tape library (VTL) has the same components as that of a physical tape library, except that the majority of the components are presented as virtual resources. For the backup software, there is no difference between a physical tape library and a…

Backup, Archive, and Replication

Question

Exhibit

Options

AUses disk drives as backup media
BRequires changes on the backup software
CA virtual tape cannot span multiple LUNs
DUses a special mechanism to address the 'shoe-shining' effect

How the community answered

(24 responses)

A
75% (18)
B
13% (3)
C
8% (2)
D
4% (1)

Explanation

Virtual Tape Library A virtual tape library (VTL) has the same components as that of a physical tape library, except that the majority of the components are presented as virtual resources. For the backup software, there is no difference between a physical tape library and a virtual tape library. Virtual tape libraries use disks as backup media. Emulation software has a database with a list of virtual tapes, and each virtual tape is assigned space on a LUN. A virtual tape can span multiple LUNs if required. File system awareness is not required while backing up because the virtual tape solution typically uses raw devices.

Topics

#virtual tape library#VTL#disk-based backup#backup media

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