Data Backup Definitions

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  • D

    differential backup

    A differential backup is a type of backup that copies all the data that has changed since the last full backup.

  • DLT (digital linear tape)

    Before the popular Linear Tape-Open Consortium came into existence, Quantum had its proprietary digital linear tape (DLT) format. Learn more about DLT technology here.

  • E

    Dell EMC NetWorker

    Dell EMC NetWorker is a backup software platform for the enterprise.

  • encryption key management

    Encryption key management is the administration of tasks involved with protecting, storing, backing up and organizing encryption keys.

  • F

    flat backup

    Flat backup uses snapshots to protect data without traditional backup software. Storage snapshots are replicated to another location, where they are a backup to the originals. Flat backup can be cheaper than a traditional backup, but not all storage vendors support the process.

  • G

    ghost imaging

    Ghost imaging, often called cloning, is a software-driven data backup process that copies the contents of a computer hard disk in a single compressed file or set of files, referred to as an image.

  • global data deduplication

    Global data deduplication is a method of preventing redundant data when backing up data to multiple deduplication devices.

  • H

    hot backup (dynamic backup)

    Hot data backups are the standard for most database backups, as users can stay online while they are performed. But the technology has risks, such as a performance impact.

  • I

    IBM TSM (IBM Tivoli Storage Manager)

    IBM Tivoli Storage Manager (IBM TSM) is an enterprise class backup and archiving application. IBM TSM, like all enterprise backup software products, is designed to make copies of an organization's data to protect against data loss.

  • image-based backup

    Image-based backup is a backup process for a computer or virtual machine (VM) that creates a copy of the operating system and all the data associated with it, including the system state, and application configurations and saves it as a single file.

  • incremental backup

    An incremental backup decreases the time and storage space required to create a backup by only backing up the data created or modified since the previous backup.

  • inline deduplication

    Inline deduplication is the removal of redundancies from data before or as it is being written to a backup device.

  • instant recovery (recovery-in-place)

    Instant recovery involves running a VM instance directly from the secondary storage location without having to first perform a restore of the primary VM.

  • L

    LAN-free backup

    LAN-free backup is the process of backing up server data to a centralized storage device rather than moving it across a local-area network (LAN).

  • Linear Tape-Open (LTO)

    Linear Tape-Open (LTO) is a high-capacity tape storage technology that is open format, giving users access to compatible products from many suppliers.

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