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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.

ADI - DMI

  • adiabatic cooling - Adiabatic cooling is the process of reducing heat through a change in air pressure caused by volume expansion.
  • ambient air cooling - Ambient air cooling is the use of naturally cool air surrounding a building, such as a data center, to reduce heat inside the facility.
  • AMD-V (AMD virtualization) - AMD-V (AMD virtualization) is a set of hardware extensions for the X86 processor architecture.
  • Ansible playbook - An Ansible playbook is an organized unit of scripts that defines work for a server configuration managed by the automation tool Ansible.
  • aquaculture - Aquaculture is the farming of aquatic animals or plants, including breeding, raising and harvesting in all types of water environments in controlled conditions.
  • arc flash - An arc flash is an undesired electric discharge that travels through the air between conductors or from a conductor to a ground.
  • AWS Lambda (Amazon Web Services Lambda) - AWS Lambda is an event-driven computing service that allows developers to program serverless functions on a pay-per-use basis.
  • AWS Management Console - The AWS Management Console is a browser-based GUI for Amazon Web Services (AWS).
  • AWS On-Demand Instances (Amazon Web Services On-Demand Instances) - AWS On-Demand Instances (Amazon Web Services On-Demand Instances) are virtual servers that run in AWS Elastic Compute Cloud (EC2) or AWS Relational Database Service (RDS) and are purchased at a fixed rate per hour.
  • AWS OpsWorks (Amazon Web Services OpsWorks) - AWS OpsWorks is a cloud computing service from Amazon Web Services (AWS) that manages infrastructure deployment for cloud administrators.
  • AWS Spot Fleets (Amazon Web Services Spot Fleets) - An AWS Spot Fleet (Amazon Web Services Spot Fleets) is a collection of virtual servers (instances) purchased at reduced rates within Amazon Elastic Compute Cloud (EC2).
  • backward compatible (backward compatibility) - Backward compatible (sometimes 'backward-compatible' or 'backwards compatible') refers to a hardware or software system that can successfully use data from earlier versions of the system or with other systems.
  • baffle (data center hot aisle containment) - Baffle paneling covers unwanted space between racks, under the raised floor and above dropped ceilings in the data center, reducing energy consumption and power use.
  • battery management system (BMS) - A battery management system (BMS) is an electronic regulator that monitors and controls the charging and discharging of rechargeable batteries.
  • biodiesel - Biodiesel is non-petroleum-based diesel fuel derived from vegetable or animal fats.
  • Bloom Energy Server (Bloom box) - A Bloom Box, officially known as an Bloom Energy Server, is a modular stack of solid oxide fuel cells that can produce electricity.
  • break/fix - For IT services companies, break/fix is a method of providing IT support to customers.
  • BREEAM (BRE Environmental Assessment Method) - BREEAM (BRE Environmental Assessment Method) is an environmental standard that rates the sustainability of buildings in the UK.
  • brownout reset - A brownout reset is a circuit that causes a computer processor to reset (or reboot) in the event of a brownout, which is a significant drop in the power supply output voltage.
  • burn-in - Burn-in is a test in which a system or component is made to run for an extended period of time to detect problems.
  • business service management (BSM) - Business service management (BSM) is an approach to overseeing information technology that emphasizes treating IT offerings as part of the larger enterprise strategy, and provisioning IT resources based on an understanding of the business' most pressing needs.
  • CADE (Corporate Average Data center Efficiency) - CADE (Corporate Average Data center Efficiency) is a metric used to rate the overall energy efficiency of an organization's data centers.
  • Calibrated Vectored Cooling (CVC) - Calibrated Vectored Cooling (CVC) is an air-cooling technology developed by IBM for server systems with high component density.
  • cap and trade system - A cap and trade system is a market-based approach to controlling pollution that allows corporations or national governments to trade emissions allowances under an overall cap, or limit, on those emissions.
  • CAP theorem (Brewer's theorem) - The CAP theorem is the idea that a distributed computing system is not able to provide partition tolerance, consistency and availability at the same time.
  • carbon capture and reuse (CCR) - Carbon capture and reuse (CCR, also sometimes seen as carbon capture and utilization or CCU) is the collection of carbon dioxide (CO2) from a high-output source point or the environment and reuse of the carbon that is captured in that process.
  • carbon capture and storage (CCS) - Carbon capture and storage (CCS, also sometimes standing for carbon capture and sequestration) is the collection of CO2 for storage as a gas or as a different form of carbon after separating out the oxygen.
  • carbon dioxide - Carbon dioxide (CO2) is an odorless, non-flammable gas composed of one atom of carbon and two atoms of oxygen.
  • carbon footprint - A carbon footprint is the measure of the environmental impact of a particular individual or organization's lifestyle or operation, measured in units of carbon dioxide.
  • carbon negative - Carbon negativity is the reduction of an entity’s carbon footprint to less than neutral, so that the entity in question has a net effect of removing carbon dioxide from the atmosphere rather than adding it.
  • carbon tax - A carbon tax is a levy charged as a penalty for the emission of greenhouse gases, caused by burning hydrocarbons.
  • carbon usage effectiveness (CUE) - Carbon usage effectiveness (CUE) is a metric developed by The Green Grid to help organizations measure the amount of carbon used -- or carbon footprint -- in the daily operations of their data centers.
  • carbon-negative data center - A carbon-negative data center is one that effectively has a negative carbon dioxide (CO2) output, thus tending to reduce the greenhouse effect (albeit very slightly) and generally reducing its own electric consumption.
  • CEEDA (Certified Energy-Efficient Datacenter Award) - CEEDA is a data center certification for the efficient use of energy.
  • checkpoint - A checkpoint, in a virtualization context, is a snapshot of the state of a virtual machine.
  • chief architect (chief IT architect) - In information technology (IT), a chief architect is a c-level executive whose job is to look closely at how IT functions can be centralized so that departments across the company can work together seamlessly.
  • circular logging - Circular logging is a method of conserving hard disk space in the Microsoft Exchange transactional logging process.
  • Cisco HyperFlex - HyperFlex systems combine software-defined storage and data services software with Cisco UCS (unified computing system), a converged infrastructure system that integrates computing, networking and storage resources to increase efficiency and enable centralized management.
  • Citrix Workflow Studio - Citrix Workflow Studio is a workflow automation software product.
  • clean electricity - Clean electricity is electrical power that is free from voltage spikes and drops.
  • clock gating - Clock gating is the power-saving feature in semiconductor microelectronics that enables switching off circuits.
  • cloud computing - Cloud computing is a general term for anything that involves delivering hosted services over the Internet.
  • cloud storage API - A cloud storage API is an application program interface that connects a locally-based application to a cloud-based storage system, so that a user can send data to it and access and work with data stored in it.
  • cloud storage infrastructure - Cloud storage infrastructure is the hardware and software framework that supports the computing requirements of a private or public cloud storage service.
  • cloudlet - A cloudlet is a small-scale data center or cluster of computers designed to quickly provide cloud computing services to mobile devices, such as smartphones, tablets and wearable devices, within close geographical proximity.
  • cluster log (CL) - A cluster log (CL) is a record of cluster service activity in a server member cluster.
  • ClusterHQ Flocker - Management of Docker containers can be facilitated with the use of Flocker software – a framework for moving containers across clusters of servers.
  • colocation marketplace - A colocation marketplace is an online platform that connects colocation users with managed service providers, IT vendors and potential business partners.
  • commodity computer - A commodity computer is a standard-issue PC that is widely available for purchase.
  • composable infrastructure - A composable infrastructure is a framework whose physical compute, storage and network fabric resources are treated as services.
  • computational fluid dynamics (CFD) - Computational fluid dynamics (CFD) is the use of applied mathematics, physics and computational software to visualize how a gas or liquid flows -- as well as how the gas or liquid affects objects as it flows past.
  • computer room air conditioning unit (CRAC) - A computer room air conditioning (CRAC) unit is a device that monitors and maintains the temperature, air distribution and humidity in a network room or data center.
  • computer room air handler (CRAH) - A computer room air handler (CRAH) is a device used frequently in data centers to deal with the heat produced by equipment.
  • computerized maintenance management system (CMMS) - A computerized maintenance management system (CMMS) is software that helps operations and maintenance staff identify and track the status of maintenance tasks and availability of replacement parts.
  • configuration drift - Configuration drift occurs naturally in data center environments when changes to software and hardware are not recorded or tracked in a comprehensive and systematic fashion.
  • container (disambiguation) - This page explains how the term container is used in software development, storage, data center management and mobile device management.
  • continuous modeling (data center continuous modeling) - Continuous modeling is an approach to data center management that supplements infrastructure management (DCIM) tools with engineering simulation tools such as computational fluid dynamics (CFD).
  • converged data center - A converged data center pre-integrates server, storage and networking hardware with management, hypervisor and operating system platforms, as well as applications and services.
  • converged infrastructure - Converged infrastructure is an approach to data center management that packages compute, networking, servers, storage and virtualization tools on a prequalified turnkey appliance.
  • cow power (biogas) - Cow power is a term for the conversion of manure to usable energy.
  • critical infrastructure - Critical infrastructure is the body of systems, networks and assets that are so essential that their continued operation is required to ensure the security of a given nation, its economy, and the public’s health and/or safety.
  • cutover migration - The cutover Exchange migration process transfers data and mailboxes from one Exchange server to another in a single batch.
  • dark data center - A dark data center is a facility that is almost exclusively administered remotely, through lights-out management (LOM).
  • data access rights - A data access right (DAR) is a permission that has been granted that allows a person or computer program to locate and read digital information at rest.
  • data catalog - A data catalog is a metadata management tool designed to help organizations find and manage large amounts of data – including tables, files and databases – stored in their ERP, human resources, finance and e-commerce systems as well as other sources like social media feeds.
  • data center - A data center (or datacenter) is a facility composed of networked computers and storage that businesses and other 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) - A data center as a service (DCaaS) provider will supply turnkey physical data center facilities and computing infrastructure (e.
  • data center bridging (DCB) - DCB is a suite of IEEE standards designed to enable lossless transport over Ethernet and a converged network for all data center applications.
  • 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.
  • data center evaporative cooling (swamp cooling) - Evaporative cooling, also known as swamp cooling, is a strategy for cooling air that takes advantage of the drop in temperature that occurs when water that's exposed to moving air begins to change to gas.
  • data center in a box - A data center in a box, also called a containerized or modular data center,  is a self-contained computing facility that is manufactured in a factory and shipped to a location.
  • Data Center Infrastructure Efficiency (DCiE) - Data Center Infrastructure Efficiency (DCiE) is a metric used to determine the energy efficiency of a data center.
  • data center infrastructure management (DCIM) - Data center infrastructure management (DCIM) is the convergence of IT and data center facilities functions within an organization.
  • data center interconnect (DCI) - Data center interconnect (DCI) is a segment of the networking market that focuses on the technology used to link two or more data centers so the facilities can share resources.
  • data center migration plan - A data center migration plan is a strategy created by an organization to migrate a data center with minimal downtime.
  • data center outsourcing (DCO) - DCO (data center outsourcing) is the practice of outsourcing the day-to-day provisioning and management of computing and storage resources and environments to a third party provider.
  • 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.
  • data historian - A data historian is a software program that records the data created by processes running in a computer system.
  • data in motion - Data in motion, also referred to as data in transit or data in flight, is digital information that is in the process of being transported between locations within or between computer systems.
  • data in use - Data in use is data that is currently being updated, processed, accessed and read by a system.
  • data lineage - Data lineage is the history of data, including where the data has traveled through-out the its existence within an organization.
  • data management-as-a-service (DMaaS) - Data Management-as-a-Service (DMaaS) is a type of cloud service that provides protection, governance and intelligence across a company’s various data sources.
  • data protection management (DPM) - Data protection management (DPM) is the administration of backup processes to ensure that tasks run on schedule, and that data is securely backed up and recoverable.
  • data transformation - Data transformation is the process of converting data from one format, such as a database file, XML document or Excel spreadsheet, into another.
  • database administrator (DBA) - A database administrator (DBA) is the information technician responsible for directing or performing all activities related to maintaining a successful database environment.
  • Dell EMC Federation Enterprise Hybrid Cloud - Federation Enterprise Hybrid Cloud is a reference architecture that uses technologies from Dell EMC's Federation to integrate public and private clouds.
  • Demand signal repository (DSR) - Demand signal repository (DSR) is a database that aggregates sales data at the point of sale (POS).
  • device cloud - A device cloud is a mobile testing environment that enables developers to remotely evaluate the performance of applications on a wide range of smart devices.
  • direct air capture (DAC) - Direct air capture has historically been used in closed, manned environments where oxygen is not available from the outside world, such as submarines and space craft, to remove CO2 from the air before concentrations become too high for humans.
  • disaggregated server - A disaggregated server is a server that breaks up components and resources into subsystems.
  • disaster recovery (DR) - Disaster recovery strategies are critical, as many businesses fail following an unforeseen event.
  • Disaster Recovery as a Service (DRaaS) - Disaster recovery as a service (DRaaS) is the replication and hosting of physical or virtual servers by a third party to provide failover in the event of a man-made or natural catastrophe.
  • DMI (Desktop Management Interface) - Desktop Management Interface (DMI) is an industry framework for managing and keeping track of hardware and software components in a system of personal computers from a central location.

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