• direct-attached storage (DAS)

    Direct-attached storage (DAS) is computer storage that is directly attached to one computer or server and is not, without special support, directly accessible to other ones.

  • delta differencing

    Delta differencing is an incremental approach to backup that only backs up blocks that have changed after the first full backup. The differences are recorded in files called deltas.

  • network-attached storage (NAS)

    Network-attached storage (NAS) is a dedicated hard disk storage device that provides file-based data storage services to other devices on the network.

  • auxiliary storage

    Auxiliary storage is all addressable data storage that is not currently in a computer's main storage or memory.

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  • storage area management (SAM)

    Storage area management (SAM) is a still-evolving set of procedures, services, and standards for comprehensively managing the infrastructure of a storage area network (SAN), including all components within all servers, the disk arrays, the tape libra... 

  • intelligent switch

    An intelligent switch is a high-level storage area network (SAN) routing switch that provides features such as storage virtualization, quality of service (QoS), remote mirroring, data sharing, protocol conversion, and advanced security. 

  • bare metal restore

    In disaster recovery, a bare metal restore is the process of reformatting a computer from scratch after a catastrophic failure. 

  • tiered storage

    Tiered storage is the assignment of different categories of data to different types of storage media in order to reduce total storage cost. 

  • NAS accelerator

    A NAS accelerator (network-attached storage accelerator) is a printed circuit card that offloads TCP/IP processing from a microprocessor. 

  • zoned-bit recording (ZBR)

    Zoned-bit recording (ZBR) is a method of physically optimizing the utilization of a hard drive by placing more sectors in the outer tracks than in the inner tracks. 

  • memory card (flash memory card or storage card)

    A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices. 

  • atomic storage (atomic memory)

    Atomic storage (sometimes called atomic memory) is a nanotechnology approach to computer data storage that works with bits and atoms on the individual level. 

  • petabyte

    A petabyte is a measure of memory or storage capacity and is 2 to the 50th power bytes or, in decimal, approximately a thousand terabytes. 

  • AIT (advanced intelligent tape)

    AIT (advanced intelligent tape) is a magnetic tape and drive system used for computer data storage and archiving.