D - Definitions

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  • D

    data center

    A data center -- also known as a datacenter or data centre -- is a facility composed of networked computers, storage systems and computing infrastructure that organizations use to organize, process, store and disseminate large amounts of data.

  • data center administrator (DCA)

    A data center administrator monitors systems, installs equipment and cabling, and participates in change processes and everyday procedures that support information technology.

  • data center as a service (DCaaS)

    Data center as a service (DCaaS) is the provision of off-site physical data center facilities and infrastructure to clients.

  • data center capacity planning

    Data center capacity planning ensures that an IT organization has enough facility space, power and computing resources to support average and peak workloads.

  • data center chiller

    A data center chiller is a cooling system used in a data center to remove heat from one element and deposit it into another element. Chillers are used by industrial facilities to cool the water used in their heating, ventilation and air-conditioning (HVAC) units. (Continued...)

  • data center infrastructure efficiency (DCiE)

    Data Center Infrastructure Efficiency (DCiE) is a metric used to determine the energy efficiency of a data center. The metric, which is expressed as a percentage, is calculated by dividing IT equipment power by total facility power.

  • data center infrastructure management (DCIM)

    Data center infrastructure management (DCIM) is the convergence of IT and building facilities functions within an organization.

  • data center management

    Data center management refers to the set of tasks and activities handled by an organization for the day-to-day requirements of operating a data center.

  • data center resiliency

    Resiliency is the ability of a server, network, storage system or an entire data center to recover quickly and continue operating even when there has been an equipment failure, power outage or other disruption.

  • data center services

    Data center services is a collective term for all the supporting components necessary to the proper operation of data center. This includes all the implementation, maintenance and operation of a data center.

  • data integrity

    Data integrity is the assurance that digital information is uncorrupted and can only be accessed or modified by those authorized to do so.

  • data warehouse appliance

    A data warehouse appliance is an all-in-one “black box” solution optimized for data warehousing.  The appliance consists of a server pre-built with operating system, storage, database management system (DBMS), and software. 

  • DataCore

    DataCore is a software-defined storage (SDS) company, as well as an early storage virtualization software vendor, in Fort Lauderdale, Fla.

  • Debian

    Debian is a popular and freely available computer operating system (OS) that uses a Unix-like kernel -- typically Linux -- alongside other program components, many of which come from GNU Project.

  • Dell EMC VxRail

    Dell EMC VxRail is a hyper-converged appliance. Like VSPEX Blue -- the Dell EMC product that it replaced -- and other hyper-converged infrastructure (HCI) systems, VxRail includes compute, storage, networking and virtualization resources in a single device.

  • DRBD (Distributed Replicated Block Device)

    DRBD (Distributed Replicated Block Device) is a Linux-based software component that facilitates the replacement of shared storage systems by networked mirroring. DRBD makes it possible to maintain consistency of data among multiple systems in a network. DRBD also ensures high availability (HA) for Linux applications... (Continued)

  • ducting (data center cooling)

    Ducting is an approach to air management that uses a series of metal or plastic pipes to carry heated or cooled air from one place to another.

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