VMware Definitions

This glossary explains the meaning of key words and phrases that information technology (IT) and business professionals use when discussing VMware and related software products. You can find additional definitions by visiting WhatIs.com or using the search box below.

  • N

    nested VM (nested virtual machine)

    A nested VM (nested virtual machine) is a virtual machine contained within another VM.

  • O

    Octopus

    Octopus is the production codename for a VMware file sharing application for the enterprise.

  • P

    personal VM (personal virtual machine or PVM)

    A personal VM (personal virtual machine) is a virtual computing environment that is allocated to an end user for personal use.

  • Profile-Driven Storage

    Profile-Driven Storage is a feature in vSphere 5 that lets users to intelligently provision applications, mapping VMs to storage levels according to service levels, availability, performance needs or cost.

  • Purple Screen of Death (PSOD)

    A Purple Screen of Death (PSOD) is a diagnostic screen with white type on a purple background that is displayed when the VMkernel of an ESX/ESXi host experiences a critical error and becomes inoperative, terminating its running virtual machines.

  • R

    raw device mapping (RDM)

    Raw device mapping (RDM) is an option in the VMware server virtualization environment that enables a storage LUN to be directly connected to a virtual machine from the SAN.

  • S

    Storage Distributed Resource Scheduler (DRS)

    VMware DRS (Distributed Resource Scheduler) is a load balancing utility that assigns and moves computing workloads to available hardware resources in a virtualized environment. 

  • Storage vMotion

    Storage vMotion is a component of VMware vSphere that allows the live migration of a running virtual machine’s file system from one storage system to another with no downtime.

  • SysTrack Desktop Assessment for VMware

    SysTrack Desktop Assessment for VMware is a free cloud-based assessment service, developed in conjunction with Lakeside Software, that provides metrics and information about an environment and as well as how to best deploy VMware Horizon.

  • T

    thick provision eager zeroed

    Thick provision eager zeroed is a provisioning format for a virtual machine (VM) disk that creates a virtual disk in a default thick format.

  • thick provision lazy zeroed

    Thick provision lazy zeroed is a provisioning format for a virtual machine (VM) disk that creates a virtual disk in a default thick format.

  • ThinApp AppLink

    VMware ThinApp AppLink is a packaging technology that makes one virtualized application dependent on another, so they can work together in one sandbox.

  • V

    VCAP (VMware Certified Advanced Professional)

    VMware Certified Advanced Professional (VCAP) is VMware's third highest certification level out of four levels.

  • VCB proxy (VMware Consolidated Backup proxy)

    VCB proxy (VMware Consolidated Backup proxy) is the server that collects virtual machine (VM) backup data from VMware Consolidated Backup.

  • VCDX (VMware certified design expert)

    VCDX (VMware certified design expert) is VMware's highest certification level.

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