HP Data Protector Advanced Backup to Disk Integration with Virtual Tape Libraries

White Paper Published By: Hewlett-Packard

This white paper provides an in-depth understanding of the integration of HP Data Protector with Virtual Tape Libraries by utilizing the Advanced Backup to Disk functionality available with the HP Data Protector software.

Tags :

hp data protection, hp, data protection, backup, vtl, virtual tape library, storage virtualization, storage

Published:	May 13, 2008
Type:	White Paper
Length:	23 pages

HP Data Protector Advanced Backup to Disk
Integration with Virtual Tape Libraries White
Paper
Executive summary............................................................................................................................... 2What is a Virtual Tape Library? ............................................................................................................. 2Comparing the VTL and a standard tape library ...................................................................................... 3Will different virtual and physical drive types cause problems or affect performance?.................................. 4Advanced Backup to Disk technology using a HP Data Protector File Library............................................... 4Overview-Advanced Backup to Disk .................................................................................................... 5Backup to disk-based devices-benefits .............................................................................................. 5HP Data Protector offers three different device types................................................................................. 6What is a file library?....................................................................................................................... 7Distributed file media format (DFMF) file library ................................................................................... 9Enhanced incremental backup (Incremental forever) ........................................................................... 10How does enhanced incremental work in HP Data Protector?........................................................... 11Incremental forever paradigm ...................................................................................................... 14Object consolidation ...................................................................................................................... 14Space-efficient synthetic full backup (virtual full) ................................................................................. 15VLS versus HP Data Protector file libraries ............................................................................................. 17VLS licensing ................................................................................................................................. 18New GUI wizard ........................................................................................................................... 19Automatic and intelligent space management .................................................................................... 19Improved disk full handling.............................................................................................................. 19Use case-Disk staging ...................................................................................................................... 20New file library license: B7038** ................................................................................................... 21Advanced Backup to Disk Licensing (B7038AA/BA/CA) ................................................................ 21HP Data Protector licensing using a VTL library .................................................................................. 21Summary and conclusions................................................................................................................... 22For more information.......................................................................................................................... 23Executive summary
This white paper provides an in-depth understanding of the integration of HP Data Protector withVirtual Tape Libraries by utilizing the Advanced Backup to Disk functionality available with the HPData Protector software. After reading this paper, you should be able to determine the differencebetween a HP Data Protector file library device and a Virtual Library. You should also be able todetermine how to employ the licensing structure of HP Data Protector to suit your customer's needs.
What is a Virtual Tape Library?
A Virtual Tape Library (VTL) is a dedicated computing appliance that emulates the drives of a physicaltape library and stores backup images to disk. Backup applications, like HP Data Protector, use theVTL emulated tape and library devices for backups when in fact it is an array-based appliance.
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