Data Backup Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing data backup and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • O

    Oracle RMAN (Oracle Recovery Manager)

    Oracle RMAN (Oracle Recovery Manager) is a utility built into Oracle databases to automate backup and recovery; it includes features not available in third-party backup tools.

  • P

    post-processing deduplication (PPD)

    Post-processing deduplication (PPD), also known as asynchronous de-duplication, is the analysis and removal of redundant data after a backup is complete and data has been written to storage.

  • R

    remote backup appliance

    A remote backup appliance is a hardware device that ships with a backup software application pre-loaded.  The appliance is used to back up corporate data that is located outside the corporate data center. 

  • remote replication

    Remote replication is the process of copying production data to a device at a remote location for data protection or disaster recovery purposes.

  • removable media

    Removable media is any type of storage device that can be removed from a computer while the system is running. Examples of removable media include CDs, DVDs and Blu-Ray disks, as well as diskettes and USB drives

  • ROBO backup (remote data backup)

    ROBO backup is the process of copying and archiving data created by remote and branch offices (ROBOs) and storing it securely.

  • S

    serverless backup

    Serverless data backup removes backup procedures from production servers so that the time usually spent on backup functions can be used for other server tasks.

  • source deduplication

    Source deduplication is the removal of redundancies from data before transmission to the backup target.

  • storage snapshot

    A storage snapshot is a set of reference markers for data at a particular point in time. A snapshot acts like a detailed table of contents, providing the user with accessible copies of data that they can roll back to.

  • Symantec NetBackup

    Symantec NetBackup is a backup and recovery product designed for enterprise users.

  • T

    tape backup

    Tape can help fix an unstructured data backup issue and is a good archiving medium. Explore tape's strengths and weaknesses, plus important tips for protecting tape backups.

  • tape library

    In data storage, a tape library is a collection of magnetic tape cartridges and tape drives.

  • tape shoe-shining or back-hitching

    Tape shoe-shining (also known as tape back-hitching) refers to the back and forth motion a tape drive makes when the data stream to the drive is interrupted.

  • target deduplication

    Target deduplication is the removal of redundancies from a backup transmission as it passes through an appliance sitting between the source and the backup target.

  • Tower of Hanoi backups

    Tower of Hanoi is a complex tape backup strategy that's useful for archiving data for an extended period of time in an economical manner by using a cycle of exponential retention periods instead of a large number of tapes.

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