Reconfiguring vPars v6 memory with zero downtime

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Introduction
A mission-critical converged infrastructure is an essential component and foundation that can be built upon for the next
decade of computing. The latest generation of HP Integrity systems is the culmination of years of trusted HP Integrity
resiliency combined with HP Blade System eciencies. At the heart of HP mission-critical Converged Infrastructure is
HP-UX 11i v3 designed to ensure your core business processes are always on and available. The HP Mission-Critical
Converged Infrastructure creates an ecosystem that builds upon four pillars of a mission-critical experience:
Unied
Oering common management in a common modular architecture.
Always-on
Delivering a highly secure, proven operating environment, rated #1 among UNIX® operating system users for observed
availability.
Dynamic
Allowing you to adjust your resources dynamically and respond rapidly to business shifts with virtualization that “just-
works”.
Enduring
Protecting your investment through our sustainable roadmap and long lifecycle.
HP-UX vPars and Integrity VM version 6 is a product that brings together vPars and Integrity VM functionality in a single,
common, easy-to-use management environment. Version 6.2 is included as part of HP-UX 11i v3 March 2013 update
release.
This document provides an introduction and description of HP’s vPars online memory migration feature. In this document
you will nd descriptions, benets and limitations, and the steps necessary for optimally conguring and using online
memory migration in vPars v6.2.
Intended audience
This document is intended for administrators and and system architects responsible for setting up and provisioning
memory resources for HP-UX vPars v6. Administrators should be familiar with HP-UX vPars and how to install the
operating systems and applications on them.
Acronyms and terms
Acronyms/Terms Denition
Host or VSP Virtualization Services Platform. The Integrity platform plus the operating system on which the virtual
machines are running.
vPar Virtual Partition that runs with dedicated CPU and Memory resources.
VM guest Integrity virtual machine guest that runs with shared system resources.
vPar/VM memory pool Pool of memory that is available for use by the vPar and VM guests.
Technical white paper | HP-UX vPars and Integrity VM v6.2