D - Definitions

  • D

    D2D2C (disk-to-disk-to-cloud)

    D2D2C (disk-to-disk-to-cloud) is an approach to hybrid cloud backup that involves using local storage for staging data that will eventually be sent to a third-part cloud storage service provider.

  • DASD (direct access storage device)

    Direct access storage device (DASD, pronounced DAZ-dee), is a general term for magnetic disk storage devices. The term has historically been used in the mainframe and minicomputer (mid-range computer) environments.

  • DAT USB drive

    A DAT USB drive is a tape drive with digital audio tape (DAT) that can be plugged into a Universal Serial Bus (USB) connection as a simple and relatively low-cost way to back up data routinely, especially on servers. DAT USB technology is expected to make it easier and more affordable for small and medium-size businesses, as well as for larger enterprise data centers, to perform backup and restore operations.

  • data at rest

    Data at rest is a term that is sometimes used to refer to all data in computer storage while excluding data that is traversing a network or temporarily residing in computer memory to be read or updated.

  • data availability

    Data availability is a term used by some computer storage manufacturers and storage service providers (SSPs) to describe products and services that ensure that data continues to be available at a required level of performance in situations ranging from normal through "disastrous.

  • data center migration plan

    A data center migration plan is a strategy created by an organization to migrate a data center with minimal downtime.

  • data compression

    Data compression is a reduction in the number of bits needed to represent data.

  • data deduplication

    Deduplication retains one unique data instance to reduce storage and bandwidth consumed by remote backups, replication and disaster recovery.

  • data destruction

    Data destruction is the process of destroying data stored on tapes, hard disks and other forms of electronic media so that it is completely unreadable and cannot be accessed or used for unauthorized purposes.

  • data life cycle management (DLM)

    Data life cycle management (DLM) is a policy-based approach to managing the flow of an information system's data throughout its life cycle: from creation and initial storage to the time when it becomes obsolete and is deleted.

  • data management platform (DMP)

    A data management platform (DMP), also called a unified data management platform (UDMP) is a centralized computing system for collecting, integrating and managing data large data sets from disparate sources.

  • data migration

    Data migration is the process of transferring data between data storage systems, data formats or computer systems.

  • data reduction in primary storage (DRIPS)

    Data reduction in primary storage (DRIPS) is the application of capacity optimization techniques for data that is in active use.

  • data retention

    Data retention, also called records retention, is the continued storage of an organization's data for compliance or business reasons. 

  • data storage

    In a computer, storage is the place where data is held in an electromagnetic or optical form for access by a computer processor.

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