Server hardware Definitions

Search Definitions
  • #

    64-bit processor

    A 64-bit processor is a microprocessor with a word size of 64 bits, a requirement for memory and data intensive applications such as computer-aided design (CAD) applications, database management systems, technical and scientific applications, and high-performance servers.

  • A

    ACF2 or CA-ACF2 (Access Control Facility)

    ACF2 (more formally, CA-ACF2; the ACF stands for Access Control Facility) is a set of programs from Computer Associates that enable security on mainframes.

  • ambient temperature

    Ambient temperature is the air temperature of any object or environment where equipment is stored.

  • Andrew

    Andrew was a joint project between Carnegie-Mellon University and IBM to set up a distributed computing environment on the CMU campus.

  • ARM server

    An advanced RISC machine (ARM) server is an enterprise-class computer server that employs a large array of ARM processors rather than a complement of x86-class processors.

  • assembler

    An assembler is a program that takes basic computer instructions and converts them into a pattern of bits that the computer's processor can use to perform its basic operations.

  • B

    back-end

    Front-end and back-end are terms used to characterize program interfaces and services relative to the initial user of these interfaces and services.

  • batch

    In a computer, a batch job is a program that is assigned to the computer to run without further user interaction.

  • C

    Calibrated Vectored Cooling (CVC)

    Calibrated Vectored Cooling (CVC) is an air-cooling technology developed by IBM for server systems with high component density.

  • Cisco Catalyst Blade Switch 3020

    The Cisco Catalyst Blade Switch 3020 is a switch designed for the Hewlett-Packard (HP) BladeSystem c-Class of blade servers... (Continued)

  • CMDB (configuration management database)

    A configuration management database (CMDB) is a database that contains all relevant information about the hardware and software components used in an organization's IT services and the relationships between those components.

  • compaction

    In a data center, compaction is the reduction or consolidation of hardware to make better use of physical floor space.

  • computer-intensive

    Computer-intensive is a term that applies to any computing application that requires the resources of a lot of computers, such as grid computing.

  • crossbar latch

    A crossbar latch, also called a molecular crossbar latch, is a nanoscale device with properties similar to those of a conventional silicon transistor, but physically much smaller, having a diameter of approximately 2 nanometers (nm, where 1 nm = 10-9 m).

  • D

    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. Integrity involves maintaining the consistency, accuracy and trustworthiness of data over its entire life cycle.

  • E

    enclave

    In IBM's OS/390 operating system, an enclave is a representation of a business transaction or unit of work.

  • event forwarding

    Event forwarding is the transmission of information to a centralized computer concerning events that take place on remote computers or servers... (Continued)

  • F

    field-replaceable unit (FRU)

    In electronic hardware, particularly computer systems, a field-replaceable unit (FRU) is a circuit board or part that can be quickly and easily removed and replaced by the user or by a technician without having to send the entire product or system to a repair facility.

  • G

    grid computing

    Grid computing uses small, distributed resources from servers and PCs to solve big problems. But will this architecture survive the cloud era?

  • H

    high availability (HA)

    High availability (HA) is the ability of a system or system component to be continuously operational for a desirably long length of time.

  • High Level Assembler (HLASM)

    High Level Assembler (HLASM) is IBM's assembler programming language and the assembler itself for the IBM z/OS, z/VM, OS/390, MVS, VM, and VSE operating systems. Released in June 1992, HLASM was the first new assembler language from IBM in twenty years. Version 4 was released in September 2000.

  • hot/cold aisle

    Hot aisle/cold aisle is a layout design for server racks and other computing equipment in a data center. The goal of a hot aisle/cold aisle configuration is to conserve energy and lower cooling costs by managing air flow.

  • HP 9000

    The HP 9000 is a line of UNIX-based business servers from Hewlett-Packard (HP) with server models that span enterprise applications from the "entry-level" (branch or department-level computers, Web hosting servers, and so forth) through the midrange with needs for handling advanced enterprise resource planning (ERP) and analytical customer resource management (CRM) up to its high-end servers for very computing-intensive applications.

  • HVAC (heating, ventilation, and air conditioning)

    HVAC stands for heating, ventilation, and air conditioning.

  • I

    IBM Roadrunner

    Roadrunner is the fastest supercomputer in the world, twice as fast as Blue Gene and six times as fast as any of the other current supercomputers. IBM developed Roadrunner for the Los Alamos National Laboratory in New Mexico. (Continued...)

  • information technology (IT)

    Information technology (IT) is the use of any computers, storage, networking and other physical devices, infrastructure and processes to create, process, store, secure and exchange all forms of electronic data.

  • infrastructure (IT infrastructure)

    Infrastructure is the foundation or framework that supports a system or organization.

  • ISO (International Organization for Standardization)

    ISO (International Organization for Standardization) is a worldwide federation of national standards bodies.

  • J

    Job Entry Subsystem (JES)

    Job Entry Subsystem (JES) is a subsystem of the OS/390 and MVS mainframe operating systems that manages 'jobs' (units of work) that the system does. Each job is described to the operating job control language (JCL).

  • M

    motherboard tattoo

    A motherboard tattoo is a unique code that can be written in the basic input/output system (BIOS) of a computer to ensure that system restore or diagnostic compact discs (CDs) will work only on the machine or line of machines with which the CDs are sold.

  • multi-core processor

    A multi-core processor is an integrated circuit (IC) to which two or more processors have been attached for enhanced performance, reduced power consumption, and more efficient simultaneous processing of multiple tasks.

  • multiprocessing

    Multiprocessing is the coordinated processing of programs by more than one computer processor.

  • O

    OpenPower Foundation

    The OpenPower Foundation is an organization in which IBM shares its Power microprocessor technology with licensed members.

  • out-of-order execution (OoOE)

    Out-of-order execution (OoOE) is an approach to processing that allows instructions for high-performance microprocessors to begin execution as soon as their operands are ready.

  • P

    Peripheral Component Interconnect Express (PCIe, PCI-E)

    PCIe is a high-speed serial interconnection standard for connecting peripheral devices to a computer's motherboard.

  • pizza box server

    The term "pizza box server" refers to the shape of a computer server enclosed in a rectangular and horizontally-arranged chassis and often installed in a rack with similar servers.

  • power cycling

    Power cycling is the process of turning hardware off and then turning it on again. In the data center, technicians use power cycling to test the durability and reliability of network components.

  • power usage effectiveness (PUE)

    Power usage effectiveness (PUE) is a metric used to determine the energy efficiency of a data center. PUE is determined by dividing the amount of power entering a data center by the power used to run the computer infrastructure within it. (Continued...)

  • R

    RAIN (redundant/reliable array of inexpensive/independent nodes)

    RAIN (also called channel bonding, redundant array of independent nodes, reliable array of independent nodes, or random array of independent nodes) is a cluster of nodes connected in a network topology with multiple interfaces and redundant storage, providing fault tolerance and graceful degradation.

  • S

    server blade

    A server blade is a thin, modular electronic circuit board containing one, two, or more microprocessors and memory, that is intended for a single, dedicated application (such as serving Web pages) and that can be easily inserted into a blade server, which is a space-saving rack with many similar servers. One product offering, for example, makes it possible to install up to 280 blade server modules vertically in multiple racks or rows of a single floor-standing cabinet. Blade servers, which share a common high-speed bus, are designed to create less heat and thus save energy costs as well as space.

  • 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.

  • single point of failure (SPOF)

    A single point of failure (SPOF) is a potential risk posed by a flaw in the design, implementation or configuration of a circuit or system in which one fault or malfunction causes an entire system to stop operating.

  • SuperZap

    SuperZap is an IBM utility program used to install zaps or fixes to MVS operating systems or application program code that is causing a problem.

  • T

    the Open19 project

    The Open19 project is aimed at standardizing servers, storage and networking components into a common set of form factors for any Electronic Industries Association (EIA) 19-inch data center rack. The initiative was launched by LinkedIn Corp. in 2016.

  • TIA-942

    TIA-942 is a standard developed by the Telecommunications Industry Association (TIA) to define guidelines for planning and building data centers, particularly with regard to cabling systems and network design...(Continued)

  • twin server (0.5 U server)

    A twin server has two compute nodes housed side-by-side in 1U of data center rack space. Because each server node fills half of 1U, a twin server may also be referred to as a 0.5U server.

  • U

    U (measurement)

    A U is a standard unit of measure for designating the height in computer enclosures and rack cabinets.

  • 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. 

  • white box server

    A white box server is a generic server made from commercially available retail computer parts. The phrase "white box" merely indicates that the equipment is generic or brand-agnostic -- the server can be any color.

  • Z

    zinc whiskers

    Zinc whiskers are tiny growths of elemental zinc that form on the surfaces of objects that are electroplated, or galvanized, with zinc.

-ADS BY GOOGLE

SearchWindowsServer

SearchServerVirtualization

SearchCloudComputing

Close