Data Center Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing data centers and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • V

    VSPEX

    VSPEX is a platform specification from Dell EMC to guide the building of systems for converged and hyper-converged infrastructure (HCI).

  • VSPEX BLUE

    VSPEX™ BLUE is a hyper-converged appliance from EMC Corporation that includes compute, memory and storage resources in a single device.

  • W

    Waste Electrical and Electronic Equipment Regulation (WEEE)

    Waste Electrical and Electronic Equipment Regulation (WEEE) is a directive in the European Union that designates safe and responsible collection, recycling and recovery procedures for all types of electronic waste. 

  • water cooling

    Water cooling, also called liquid cooling, is a method used to lower the temperature of computer processor units (CPUs), and sometimes graphics processor units (GPUs).

  • wetware

    Wetware refers to programmers, developers, systems administrators, cloud and IT architects and other employees that directly affect how servers, applications, networks and the rest of an IT system functions.

  • white box server

    A white box server is a data center computer that is not manufactured by a well-known brand name vendor.

  • wireless sensor network (WSN)

    A wireless sensor network is a group of specialized transducers with a communications infrastructure that uses radio to monitor and record physical or environmental conditions.

  • workload

    In computing, a workload, typically, is any program or application that runs on any computer.

  • WUE (water usage effectiveness)

    WUE (water usage effectiveness) is a metric developed by The Green Grid nonprofit consortium to help data centers measure how much water a facility uses for cooling and other building needs.

  • Y

    Yellowdog Updater, Modified (YUM)

    Yellowdog Update, Modified (YUM) is a program that manages installation, updates and removal for Red Hat package manager (RPM) systems. YUM allows the user to update groups of machines without having to update each RPM separately.

  • Yet another Setup Tool (YaST)

    YaST handles much of the administration load, offers a simple graphical interface and sets up setting system parameters easily.

  • Z

    z/OS

    Introduced in 2000, IBM z/OS is a 64-bit mainframe operating system (OS) developed by IBM for its family of enterprise z/Architecture mainframe computers.

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