HP B6960-96035 User Manual download pdf (Page 257)

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11 Synthetic backup

In this chapter

This chapter introduces the concept of synthetic backup and explains the synthetic

backup solution provided by Data Protector.

It is organized as follows:

“Overview” on page 253

“Disk backup benefits” on page 254

“Data Protector disk-based devices” on page 255

“Restore and synthetic backup” on page 260

Overview

With the volume of data increasing and backup windows shrinking, performing a

full backup often presents a problem in terms of time and storage space. On the

other hand, having many incremental backups can be problematic because each

incremental increases the time needed to perform a restore.

As backup to disk is gaining popularity due to the high performance and capacity

as well as increasingly lower price of disks, new opportunities have arisen. The

industry's requirements are to minimize the backup window, minimize the load on

production servers and the network, and enable a quick restore. These requirements

are met by synthetic backup.

Synthetic backup is an advanced backup solution that produces a synthetic full

backup, an equivalent to a conventional full backup in terms of data, without putting

stress on the production servers or the network. A synthetic full backup is created

from a previous full backup and any number of incremental backups.

Performing synthetic backup eliminates the need to run regular full backups. Instead,

incremental backups are run, and subsequently merged with the full backup into a

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HP B6960-96035 User Manual Page 257

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