Storage Technology Definitions

  • H

    How many bytes for...

    This page provides tables and other information about how many bytes are required (how much computer storage) for various information objects or purposes; it also summarizes some facts that have been gathered about how much information exists in the world and, where appropriate, how much computer storage this requires.

  • HSM (Hierarchical Storage Management)

    HSM (Hierarchical Storage Management) is policy-based management of file backup and archiving in a way that uses storage devices economically and without the user needing to be aware of when files are being retrieved from backup storage media.

  • HVD (holographic versatile disc)

    Holographic versatile disc (HVD) is a medium of holographic storage that looks like a DVD but is capable of storing far more data... (Continued)

  • hybrid hard drive (HHD)

    A hybrid hard drive (HHD), sometimes known as a solid-state hybrid drive (SSHD), is a mass storage device that combines a conventional hard disk drive and a NAND flash module.

  • Hyper-V Virtual Fibre Channel

    Virtual Fibre Channel is a feature in Microsoft Hyper-V 3.0 that lets virtual machines (VMs) connect directly to Fibre Channel (FC)-based storage by using a standard World Wide Name (WWN) associated with a VM.

  • I

    I/O blender effect

    The I/O blender effect is a phenomenon in virtualized environments that degrades storage performance.  The I/O blender effect occurs when multiple virtual machines (VMs) all send their input/output (I/O) streams to a hypervisor for processing.

  • I/O contention (input/output contention)

    I/O contention (input/output contention), occurs when virtual machines compete for I/O resources because there is a limited storage bandwidth.

  • I/O virtualization (IOV)

    I/O virtualization (IOV), or input/output virtualization, is technology that uses software to abstract upper-layer protocols from physical connections or physical transports.

  • IBM General Parallel File System (IBM GPFS)

    The IBM General Parallel File System is one of the top file systems used in high-performance computing and the basis for many storage products used in supercomputing.

  • IDE (Integrated Drive Electronics)

    Integrated Drive Electronics (IDE) refers to the integration of the controller and drive.

  • iFCP (Internet Fibre Channel Protocol)

    iFCP (Internet Fibre Channel Protocol) is an emerging standard for extending Fibre Channel storage networks across the Internet.

  • illumos

    Illumos is a free, open source operating system (OS) developed as a fork of Unix-based OpenSolaris, the open source community-built derivative of the Solaris OS.

  • InfiniBand

    InfiniBand is an architecture and specification for data flow between processors and I/O devices. The technology is most often used in high-performance computing (HPC) environments... (Continued)

  • information architecture

    In technical writing, information architecture is the set of ideas about how all information in a given context should be treated philosophically and, in a general way, how it should be organized.

  • information life cycle management (ILM)

    Information life cycle management (ILM) is a comprehensive approach to managing the flow of an information system's data and associated metadata from creation and initial storage to the time when it becomes obsolete and is deleted.

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