Browse Definitions :

Data center management

Terms related to data centers, including definitions about network operations centers (NOCs) and words and phrases about the storage, management and the transmission of data.

DYN - MAN

  • dynamic hashing - Dynamic hashing is a method of hashing, or shortening a string of characters, where the set of shortened characters grows, shrinks and reorganizes to fit the way the data is being accessed.
  • dynamic infrastructure - Dynamic infrastructure refers to a collection of data center resources, such as compute, networking and storage, that can automatically provision and adjust itself as workload demands change.
  • dynamic voltage and frequency scaling (DVFS) - Dynamic voltage and frequency scaling (DVFS) is the adjustment of power and speed settings on a computing device’s various processors, controller chips and peripheral devices to optimize resource allotment for tasks and maximize power-saving when those resources are not needed.
  • economizer - An economizer is a mechanical device used to reduce energy consumption.
  • ECOphlex (PHase-change Liquid EXchange) - ECOphlex (PHase-change Liquid EXchange) is an efficient and environmentally-friendly computer component cooling technology.
  • 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.
  • Elastic Load Balancing (ELB) - Elastic Load Balancing (ELB) is a load-balancing service for Amazon Web Services (AWS) deployments.
  • electric arc - An electric arc is a visible plasma discharge between two electrodes that is caused by electrical current ionizing gasses in the air.
  • electrical pollution (dirty electricity) - Electrical pollution is electromagnetic-field (or EM-field) energy emanating from electrical wiring.
  • electronic disposal efficiency (EDE) metric - Electronic disposal efficiency (EDE) is the percentage of decommissioned information technology electronics and electrical equipment that is disposed of through known responsible entities.
  • EMC Corporation - EMC Corporation was a multinational provider of products and services related to cloud computing, storage, big data, data analytics, information security, content management and converged infrastructure.
  • Emergency Power Off (EPO) button - The Emergency Power Off (EPO) button -- sometimes called an EPO switch -- is a large red device in data centers that kills power to a particular piece of equipment, or to an entire facility, in the event of an emergency.
  • enterprise cloud storage - Enterprise cloud storage is public cloud storage purchased for a large organization.
  • enterprise MLC (eMLC) - Enterprise MLC (eMLC) is a type of MLC flash that has been enhanced to accommodate more write cycles than consumer-grade MLC flash offers.
  • enterprise server - An enterprise server is a computer containing programs that collectively serve the needs of an enterprise rather than a single user, department, or specialized application.
  • enterprise storage - Enterprise storage is a centralized repository for business information that provides common data management, protection and data sharing functions through connections to computer systems.
  • EU Code of Conduct on Data Centres' Energy Efficiency - The EU Code of Conduct on Data Centres' Energy Efficiency is a voluntary initiative aimed at reducing the environmental, economic, and energy-supply security impact of today's data centres.
  • eventual consistency - Eventual consistency is a characteristic of distributed computing systems such that the value for a specific data item will, given enough time without further updates, be consistent each time it is accessed.
  • failback - Failback is the process of restoring operations to a primary machine or facility after they have been shifted to a secondary machine or facility during failover.
  • fast array of wimpy nodes (FAWN) - FAWN (fast array of wimpy nodes) is a low-power server architecture for intensive input/output (IO) tasks.
  • flash storage - Flash storage is any type of drive, repository or system that uses flash memory to keep data for an extended period of time.
  • flat backup - Flat backup uses snapshots to protect data without traditional backup software.
  • follow-the-sun data center - A follow-the-sun data center is a data center that moves workloads to different geographic locations to more efficiently balance resources and demand.
  • forklift upgrade - Forklift upgrade is industry slang for replacing or significantly upgrading an IT infrastructure.
  • forward compatible - Forward compatible describes a system that is designed in such a way that it fits with planned future versions of itself.
  • free cooling - Free cooling is an approach to lowering the air temperature in a building or data center by using naturally cool air or water instead of mechanical refrigeration.
  • friendly name - A friendly name is the title given to an application file, certificate or other IT asset so that a person easily understands and remembers it.
  • geoengineering - Geoengineering is the deliberate modification of a planet's environment by the addition or subtraction of a resource or energy input on a massive scale.
  • geothermal cooling - Geothermal cooling is a type of renewable energy system that moves heat from a building to below the earth’s surface, using the ground like a heatsink.
  • geothermal energy - Geothermal energy is renewable, clean power derived from the thermal energy in subterranean earth.
  • ghost imaging - Ghost imaging, often called cloning, is a software-driven data backup process that copies the contents of a computer hard disk in a single compressed file or set of files, referred to as an image.
  • Global Update Manager (GUM) - Global Update Manager is a cluster component in the Windows Cluster Architecture.
  • Goliath Technologies - Goliath Technologies is a performance monitoring software vendor that offers tools to monitor and analyze data centers, back-end servers and network performance for on-premises and cloud deployments.
  • green computing - Green computing is the use of computers and related resources in an environmentally responsible manner.
  • green data center - A green data center is a repository for the storage, management, and dissemination of data in which the mechanical, lighting, electrical and computer systems are designed for maximum energy efficiency and minimum environmental impact.
  • green networking - Green networking is the practice of selecting energy-efficient networking technologies and products, and minimizing resource use whenever possible.
  • green roof - A green roof is the use of rooftop space for the growing of plants, either decorative vegetation or food crops.
  • green storage - Green storage is the practice of using a variety of "clean energy" storage methods and products to cut down on a data center's carbon footprint, as well as cost.
  • greenhouse effect - The Greenhouse effect is the warming effect of the sun on greenhouse gases like CO2 that act to trap this heat in our atmosphere.
  • greenhouse gas - A greenhouse gas is a gas that absorbs infrared (IR) radiation and radiates heat in all directions.
  • Gridstore HyperConverged Appliance (HCA) - Gridstore HyperConverged Appliance (HCA) is an all-flash storage device that includes compute, virtualization and networking resources.
  • Hadoop Distributed File System (HDFS) - The Hadoop Distributed File System (HDFS) is the primary data storage system used by Hadoop applications.
  • hardware security - Hardware security is vulnerability protection that comes in the form of a physical device rather than software that is installed on the hardware of a computer system.
  • headless server - A headless server is a computing device without a local interface that is dedicated to providing services to other computers and their users.
  • headless system - A headless system is a computer that operates without a monitor, graphical user interface (GUI) or the typical peripherals used to control it, such as a keyboard and mouse.
  • Heartbeat - Heartbeat is a program that runs specialized scripts automatically whenever a system is initialized or rebooted.
  • heat pump - A heat pump is a device that takes heat from one source and moves it to another location through electric or mechanical means.
  • Hitachi Unified Compute Platform (Hitachi UCP) - Hitachi Unified Compute Platform (UCP) is the company's product for converged infrastructure, combining server, storage, network and software management.
  • hot site and cold site - A hot site is a commercial disaster recovery service that allows a business to continue computer and network operations in the event of a computer or equipment disaster.
  • hot spare - A hot spare, also called a hot standby, is a backup component that can be placed into service immediately when a primary component fails.
  • Hot spot/cold spot - A hot spot/cold spot is an undesirable tightly-focused local temperature variation which often occurs when data center equipment is improperly cooled.
  • HPE OneView (formerly HP OneView) - HPE OneView, formerly known as HP OneView, is a converged infrastructure management platform that provides a unified interface for the administration of software-defined systems in a data center.
  • human-machine interface (HMI) - A human-machine interface (HMI) is the user interface that connects an operator to the controller for an industrial system.
  • HVAC (heating, ventilation, and air conditioning) - HVAC stands for heating, ventilation, and air conditioning.
  • hybrid cloud hosting - Hybrid cloud hosting allows organizations to provision dedicated servers and storage and cloud servers and storage on the same network.
  • hybrid database - A hybrid database is a type of real-time database system that uses both on-disk and in-memory data storage by deciding which is most suitable for a given task.
  • hydrofluorocarbon (HFC) clean agent - Data centers and telecom rooms use hydrofluorocarbon (HFC) clean agent systems for fire protection to avoid damaging electrical and electronic equipment.
  • hyper-converged appliance - A hyper-converged appliance is a hardware device that provides multiple data center management technologies within a single box.
  • hyper-converged network - A hyper-converged network is a network that combines compute and storage network resources into a single preconfigured stack, server or brick with heavy use of virtualization.
  • hyper-converged software - Hyper-converged software is a type of virtualization platform that turns a commodity server into a hyper-converged appliance that includes compute, storage and server virtualization in one box.
  • hyperscale computing - Hyperscale computing is a distributed computing environment in which the volume of data and the demand for certain types of workloads can increase exponentially yet still be accommodated in a cost-effective manner.
  • IBM System z Application Assist Processor (zAAP) - The IBM System z Application Assist Processor (zAAP) is a specialty engine that provides a performance environment for Web-based apps and service-oriented architecture-based technologies, e.
  • IBM System z Integrated Information Processor (zIIP) - IBM's System z Integrated Information Processor (zIIP) is a specialty offload engine that helps improve computing performance for a subset of mainframe workloads.
  • ICS security (industrial control system security) - ICS security is the area of concern involving the safeguarding of industrial control systems, the integrated hardware and software designed to monitor and control the operation of machinery and associated devices in industrial environments.
  • immutable infrastructure - Immutable infrastructure is an approach to managing services and software deployments on IT resources wherein components are replaced rather than changed.
  • India State Data Centre - India State Data Centre is a project that will consolidate services, applications and infrastructure to provide efficient electronic delivery of government-to-government (G2G), government-to-citizen (G2C) and government-to-business (G2B) services.
  • industrial control system (ICS) - An industrial control system (ICS) is integrated hardware and software designed to monitor and control the operation of machinery and associated devices in industrial environments.
  • integrated solar - Integrated solar is the inclusion of solar power technology as a part of original construction rather than as a separate module that is added later.
  • Intel VT (Virtualization Technology) - Intel VT (Virtualization Technology) is the company's hardware assistance for processors running virtualization platforms.
  • intelligent power management (IPM) - Intelligent Power Management (IPM) is a combination of hardware and software that optimizes the distribution and use of electrical power in computer systems and data centers.
  • Intelligent workload management (IWM) - Intelligent workload management (IWM) is an approach to running IT systems in a way that rationally optimizes and maximizes use of computing resources and directing them toward better processing, workflow and delivery of services.
  • IoT middleware (Internet of Things middleware) - Internet of Things (IoT) middleware is software that serves as an interface between components of the IoT, joining elements that would not otherwise be able to connect and communicate.
  • IP surveillance - IP surveillance is a digitized and networked version of closed-circuit television (CCTV).
  • ISO 50001 (International Organization for Standardization 50001) - ISO 50001 is a standard for designing, implementing and maintaining an energy management system.
  • IT automation - IT automation is the use of instructions to create a repeated process that replaces an IT professional's manual work in data centers and cloud deployments.
  • IT centralization (information technology centralization) - IT centralization (information technology centralization) is the act of concentrating an organization's technology resources under a single entity.
  • IT incident management - IT incident management is an area of IT service management (ITSM) wherein the IT team returns a service to normal as quickly as possible after a disruption, in a way that aims to create as little negative impact on the business as possible.
  • IT operations - IT operations are the processes and services administered by an organization’s information technology (IT) department.
  • IT operations analytics (ITOA) - IT operations analytics (ITOA) is the practice of monitoring systems and gathering, processing and interpreting data from various operations sources to guide decisions and predict potential issues.
  • IT operations management (ITOM) - IT operations management (ITOM) is the administrative area involving technology infrastructure components and the requirements of individual applications, services, storage, networking and connectivity elements within an organization.
  • IT service delivery - IT service delivery is the manner in which a corporation provides information technology access to users throughout an application's lifecycle.
  • IT showback - An IT showback system tracks the data center utilization rates of an organization’s business units or end users.
  • IT/OT convergence - IT/OT convergence is the integration of information technology (IT) systems used for data-centric computing with operational technology (OT) systems used to monitor events, processes and devices and make adjustments in enterprise and industrial operations.
  • JAVA_HOME - JAVA_HOME is an operating system (OS) environment variable which can optionally be set after either the Java Development Kit (JDK) or the Java Runtime Environment (JRE) is installed.
  • Kubernetes - Kubernetes, also referred to as K8s, is an open source system used to manage Linux containers across private, public and hybrid cloud environments.
  • Kyoto cooling (Kyoto wheel) - KyotoCooling is an energy-efficient free cooling system for data centers.
  • leapfrog migration - Leapfrog migration is the process of making an application upgrade directly to the newest version of the application without having to migrate through in-between versions first.
  • liquid cooling - Liquid cooling is the reduction of heat in electronic and mechanical devices through exploiting the properties of liquids.
  • liquid immersion cooling - One of the simplest examples of liquid immersion cooling is taking a standard air-cooled computer's hardware and submerging it in mineral oil.
  • 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.
  • load shedding - Load shedding is a reduction of power demand by a utility provider during peak or stressed times.
  • load-sharing mirror - A load-sharing mirror or load-balancing mirror is a mirror image copy of a site or service that not only acts as a backup but actively shares in serving a portion of traffic.
  • logical network - A logical network is one that appears to the user as a single, separate entity although it might in fact be either just a part of a larger network or an entity connecting multiple networks.
  • LUN masking - LUN masking is a further constraint added to zoning, subdividing access to the port so that only LUNs authorized to access a specific server can access the corresponding port.
  • LUN zoning - LUN zoning is a method of configuring SAN fabric to match logical unit numbers (LUNs) to the proper servers.
  • managed file transfer (MFT) - Managed file transfer (MFT) is a type of software used to provide secure internal, external and ad-hoc data transfers through a network.
  • Management and Operations (M&O) Stamp of Approval - The Management and Operations (M&O) Stamp of Approval from the Uptime Institute is a certification of the critical facilities and management operations procedures of a data center.

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