Server Virtualization Definitions

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  • E

    ESXi Shell

    ESXi Shell is a VMware vSphere management tool that performs VMware commands that perform maintenance tasks like network, system, storage and more.

  • G

    Generation 1 VM (generation 1 virtual machine)

    A Generation 1 VM is a virtual machine that uses the original Hyper-V BIOS-based architecture.

  • generation 2 virtual machines (generation 2 VMs)

    Generation 2 virtual machines are Microsoft Hyper-V virtual servers that use the second generation of virtual hardware.

  • golden image

    A golden image is a template for a virtual machine (VM), virtual desktop, server or hard disk drive.  A golden image may also be referred to as a clone image or master image.

  • GSX Server

    GSX Server is a server virtualization program for Windows and Linux produced and distributed by VMware, a subsidiary of EMC Corporation and headquartered in Palo Alto, California... (Continued)

  • guest OS (guest operating system)

    A guest OS (guest operating system) is the operating system installed on a virtual machine or partitioned disk.

  • guest virtual machine (guest VM)

    A guest virtual machine (guest VM) is the software component of a virtual machine (VM), an independent instance of an operating system (called a guest operating system) and its associated software and information.

  • H

    hardware emulation

    Hardware emulation is the use of one hardware device to mimic the function of another hardware device.  Microsoft's Hyper-V includes hardware emulation because the Integration Services can only be installed on certain guest operating systems.

  • host virtual machine (host VM)

    A host virtual machine is the server component of a virtual machine (VM), the underlying hardware that provides computing resources to support a particular guest virtual machine (guest VM).

  • hot cloning

    Hot cloning is a cloning method that takes place while the server OS is running.

  • HP Virtual Server Environment (HP VSE)

    The HP Virtual Server Environment (HP VSE) is a server virtualization product developed by Hewlett-Packard (HP) to optimize resource utilization in their HP Integrity and HP 9000 servers... (Continued)

  • Hyper-V Replica

    Hyper-V Replica is a free disaster recovery tool in Hyper-V 3.0 that creates and maintains copies of virtual machines (VMs ). In the event of a catastrophic loss, an administrator can failover to the replica VMs and provide business continuity.

  • hypervisor

    A hypervisor is a function which abstracts -- isolates -- operating systems and applications from the underlying computer hardware.

  • I

    I/O fencing (input/output fencing)

    I/O (input/output) fencing is the isolation of a malfunctioning node from a cluster's shared storage to protect the integrity of data.

  • Intel VT (Virtualization Technology)

    Intel VT (Virtualization Technology) is the company's hardware assistance for processors running virtualization platforms.

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