Data center capacity planning Definitions

  • C

    capacity on demand (COD)

    Capacity on demand (COD) is a purchasing option that allows companies to receive equipment with more computer processing, storage, or other capacity than the company needs at the time of purchase, and have that extra capacity remain unused and unpaid for until the company actually requires it.

  • coaxial cable

    Coaxial cables transmit high-frequency electrical signals through connectors without interference.

  • D

    data center resiliency

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

  • E

    economizer

    An economizer is a mechanical device used to reduce energy consumption. Economizers recycle energy produced within a system or leverage environmental temperature differences to achieve efficiency improvements. (Continued...)

  • edge computing

    Edge computing is an IT architecture in which raw data is processed as near to the data source as possible instead of being sent over the Internet to a remote data center for processing.

  • L

    load bank

    A load bank is a device that generates a prescribed amount of electricity draw to test the reliability of electrical switching, generator output, uninterruptable power supply (UPS) systems and cooling in a data center.

  • S

    server consolidation

    Server consolidation is an approach to the efficient usage of computer server resources in order to reduce the total number of servers or server locations that an organization requires.

  • server sprawl

    Server sprawl is a situation in which multiple, under-utilized servers take up more space and consume more resources than can be justified by their workload.

  • statistical mean, median, mode and range

    Calculating the mean, median, mode and range of a set of numbers allows you to track changes over time and set acceptable ranges and variance. Here's how to find your data's mean, median, mode or range, and what it tells you.

  • T

    The Green Grid Performance Indicator (PI)

    The Green Grid Performance Indicator (PI) is a set of metrics designed to help information technology (IT) teams assess current and future data center cooling performance. PI was developed by The Green Grid in 2016.

  • U

    Uptime Institute, Inc.

    The Uptime Institute, Inc. is a consortium of companies devoted to maximizing efficiency and uptime in data centers and IT (information technology) organizations... (Continued)

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