• 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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  • HVD (holographic versatile disc)

    Holographic versatile disc (HVD) is a medium of holographic storage that looks like a DVD but is capable of storing far more data... (Continued) 

  • recovery

    In data management, recovery is a process that involves copying backup files from secondary storage (tape, Zip disk or other backup media) to hard disk. 

  • storage resource management (SRM)

    Storage resource management (SRM) is the process of optimizing the efficiency and speed with which the available drive space is utilized in a storage area network (SAN). 

  • storage replication service

    A storage replication service is a managed service in which stored or archived data is duplicated in real time over a storage area network (SAN). 

  • business continuance (business continuity)

    Business continuance (sometimes referred to as business continuity) describes the processes and procedures an organization puts in place to ensure that essential functions can continue during and after a disaster. 

  • Ghost

    Ghost is a software product from Symantec that can clone (copy) the entire contents of a hard disk to another computer's hard disk or to storage media. 

  • COLD (Computer Output to Laser Disk)

    COLD (Computer Output to Laser Disk) is a system for archiving data such as business records and reports to one or more optical disks in a compressed but easily retrievable format. 

  • Fibre Channel

    Fibre Channel is a technology for transmitting data between computer devices at data rates of up to 4 Gbps (and 10 Gbps in the near future). (Continued...) 

  • virtual tape

    Virtual tape is an archival storage technology that makes it possible to save data as if it were being stored on tape although it may actually be stored on hard disk or on another storage medium. 

  • SAN island

    A SAN island is a storage area network (SAN) that exists as a discrete, isolated entity within a larger SAN. The components of a SAN island are usually all located in the same building, or even within a single room.