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.

  • M

    Mozy (by Dell)

    Mozy (by Dell) is a cloud backup service owned by Dell EMC that targets customers ranging from consumers through to the enterprise.

  • N

    near-continuous data protection (near CDP)

    Near-continuous data protection, sometimes called near-continuous protection, is a general term for backup and recovery products that take snapshots at set intervals. The term evolved from a need to differentiate products that take snapshots on a pre-determined schedule (every fifteen minutes, for example) from those products that take snapshots each time new data is written (true CDP).

  • O

    online data backup (remote data backup)

    Online data backup (remote data backup) is a method of off-site storage in which data is regularly backed up over a network on a remote server, typically hosted by a provider.

  • 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.

  • 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.

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