D - Definitions

  • D

    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 computer storage manufacturers and storage service providers to describe how data should be available at a required level of performance in situations ranging from normal through disastrous.

  • data compression

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

  • data deduplication

    Data deduplication is a process that eliminates redundant copies of data and reduces storage overhead.

  • 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 Dynamics StorageX

    Data Dynamics StorageX is a software suite that specializes in data migration and Microsoft Distributed File System management.

  • data lifecycle management (DLM)

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

  • data management platform (DMP)

    A data management platform (DMP), also referred to as a unified data management platform (UDMP), is a centralized system for collecting and analyzing large sets of data originating from disparate sources.

  • data migration

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

  • dedicated cloud

    A dedicated cloud is a single-tenant cloud infrastructure, which essentially acts as an isolated, single-tenant public cloud.

  • DIMM (dual in-line memory module)

    DIMM (dual in-line memory module) is a type of computer memory that is natively 64 bits, enabling fast data transfer.

  • direct access

    In computer storage, direct access is the process of reading and writing data on a storage device by going directly to where the data is physically located on the device rather than having to move sequentially from one physical location to the next to find the correct data.

  • direct access storage device (DASD)

    A direct access storage device (DASD) is a type of secondary storage device that supports direct access to the stored data, as opposed to sequential access, which is slower and less efficient.

  • direct-attached storage (DAS)

    Direct-attached storage (DAS) is a type of storage that is attached directly to a computer without going through a network.

  • disk array

    A disk array, also called a storage array, is a data storage system used for block-based storage, file-based storage or object storage.

  • disk mirroring (RAID 1)

    Disk mirroring, also known as RAID 1, is the replication of data across two or more disks.

  • distributed file system (DFS)

    A distributed file system (DFS) is a file system that enables clients to access file storage from multiple hosts through a computer network as if the user was accessing local storage.

  • DRAM (dynamic random access memory)

    DRAM (dynamic random access memory) is a type of semiconductor memory that is typically used for the data or program code needed by a computer processor to function.

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