• 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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  • restore

    In data management, restore is a process that involves copying backup files from secondary storage to hard disk. (Continued...) 

  • dual-layer magnetic tape (dual-side magnetic tape)

    Dual-layer magnetic tape, also known as dual-side magnetic tape, is a high-density storage medium capable of holding far more data than conventional tape backup... (Continued) 

  • tape

    In computers, tape is an external storage medium, usually both readable and writable, consisting of a loop of flexible celluloid-like material that can store data in the form of tiny magnetic fields that can be read and also erased. 

  • Travan

    Travan is a linear magnetic tape product developed by the 3M Company... (Continued) 

  • email archiving

    E-mail archiving is a systematic approach to saving and protecting the data contained in an e-mail message so it can be accessed quickly at a later date. In the past, companies often relied on end-users to maintain their own personal e-mail archives.... 

  • CD-R shelf life

    CD-R shelf life refers to the length of time that a burned compact disc will remain viable once data has been burned onto it... (Continued) 

  • content-addressed storage (CAS)

    Content-addressed storage (CAS) is a method of providing fast access to fixed content (data that is not expected to be updated) by assigning it a permanent place on disk. CAS makes data retrieval straightforward by storing it in such a way that an ob... 

  • column address strobe

    In computer memory technology, CAS (column address strobe) is a signal sent to a dynamic random access memory (DRAM) that tells it that an associated address is a column address. A data bit in DRAM is stored in a cell located by the intersection of ... 

  • partition

    In personal computers, a partition is a logical division of a hard disk created so that you can have different operating systems on the same hard disk or to create the appearance of having separate hard drives for file management, multiple users, or ... 

  • redundant

    In information technology, the term redundant has several usages: Redundant describes computer or network system components, such as fans, hard disk drives, servers, operating systems, switches, and telecommunication links that are installed to back...