S - Definitions

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  • S

    scalability

    Scalability is the ability of a computer application or product (hardware or software) to continue to perform well when it (or its context) is changed in size or volume in order to meet a users need.

  • ScaleIO

    ScaleIO is a software-defined storage software product from Dell EMC that uses existing hardware or EMC servers to turn direct-attached storage (DAS) into shared block storage.

  • screen scraping

    Screen scraping is a data collection method used to gather information shown on a display to use for another purpose.

  • SDDC (software-defined data center)

    An SDDC (software-defined data center) is a data storage facility in which networking, storage, CPU and security are virtualized and delivered as a service.

  • SELinux (Security-Enhanced Linux)

    SELinux, or Security-Enhanced Linux, is a part of the Linux security kernel that acts as a protective agent on servers.

  • shell program

    A shell program is software that provides users with an interface for accessing services in the kernel.

  • shell script

    A shell script is a text file that contains a sequence of commands for a UNIX-based operating system.

  • single pane of glass

    A single pane of glass is a management console that presents data from multiple sources in a unified display. The glass, in this case, is a computer monitor or mobile device screen.

  • single point of failure (SPOF)

    A single point of failure (SPOF) is a potential risk posed by a flaw in the design, implementation or configuration of a circuit or system.

  • SMP (symmetric multiprocessing)

    SMP (symmetric multiprocessing) is the processing of programs by multiple processors that share a common operating system and memory.

  • Spine-leaf (spine-leaf architecture)

    Spine-leaf, or leaf-spine, is a two-layer network topology composed of spine and leaf switches.

  • statistical mean, median, mode and range

    The terms mean, median, mode, and range describe properties of statistical distributions.

  • supervisor call (SVC)

    In computers, especially IBM mainframes, a supervisor call (SVC) is a processor instruction that directs the processor to pass control of the computer to the operating system's supervisor program.

  • SUSE

    SUSE (pronounced soo-sah) is a multinational company that offers enterprise-grade open source products based on Linux technologies.

  • SUSE Linux Enterprise Server (SLES)

    SUSE Linux Enterprise Server (SLES) is a Linux-based server operating system created and maintained by the German-based organization, SUSE.

  • What is server sprawl and how to prevent it?

    Server sprawl is when multiple underutilized servers take up more space and consume more resources than can be justified by their workload.

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