L - Definitions

  • L

    litigation hold (legal hold, preservation order or hold order)

    A litigation hold -- also known as legal hold, preservation order or hold order -- is an internal process that an organization undergoes to preserve all data that might relate to a legal action involving the organization.

  • logical unit number (LUN)

    A logical unit number (LUN) is a unique identifier for designating an individual or collection of physical or virtual storage devices that execute input/output (I/O) commands with a host computer, as defined by the Small System Computer Interface (SCSI) standard.

  • LUN masking

    LUN masking is an authorization mechanism used in storage area networks (SANs) to make LUNs available to some hosts but unavailable to other hosts.

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