Secure data storage Definitions

  • C

    Content Protection for Removable Media (CPRM)

    Content Protection for Removable Media (CPRM) is a hardware-based technology designed to enforce copy protection restrictions through built-in mechanisms in storage media that would prevent unauthorized file copying.

  • continuous data protection (storage convergence)

    Continuous data protection (CDP), also called continuous backup, is a storage system in which all the data in an enterprise is backed up whenever any change is made. (Continued...)

  • D

    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 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.

  • dropout

    A dropout is a small loss of data in an audio or video file on tape or disk.

  • G

    garbage collection

    Garbage collection is the systematic recovery of pooled computer storage that is being used by a program when that program no longer needs the storage. (Continued...)

  • grid storage

    Grid storage is a general term for any approach to storing data that employs multiple self-contained storage nodes interconnected so that any node can communicate with any other node without the data having to pass through a centralized switch. (Continued...)

  • H

    hard drive shredder

    A hard drive shredder is a mechanical device that physically destroys old hard drives in such a way that the data they contain cannot be recovered.

  • hot spare

    A hot spare, also called a hot standby, is a backup component that can be placed into service immediately when a primary component fails. 

  • I

    information life cycle management (ILM)

    Information life cycle management (ILM) is a comprehensive approach to managing the flow of an information system's data and associated metadata from creation and initial storage to the time when it becomes obsolete and is deleted.

  • P

    point-in-time snapshot (PIT snapshot)

    Point-in-time snapshots are a method of data protection that allows an administrator to make a full copy of a volume so that a restore can occur based on a specific time.

  • S

    Storage as a Service (SaaS)

    Storage as a Service (SaaS) is a business model in which third-party providers rent space on their storage to end users that lack the capital budget and/or technical personnel to implement and maintain their own storage infrastructure.

  • storage encryption

    Storage encryption is the use of encryption/decryption of backed-up and archived data, both in transit and on storage media.

  • 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).

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