Guia Virtualización Redhat 5

Red Hat Enterprise Linux 5 Virtualization Guide
The definitive guide for virtualization on Red Hat Enterprise Linux

Christopher Curran

Virtualization Guide

Red Hat Enterprise Linux 5 Virtualization Guide The definitive guide for virtualization on Red Hat Enterprise Linux Edition 5
Author Christopher Curran ccurran@redhat.com

Copyright © 2008,2009,2010 Red Hat, Inc. The text ofand illustrations in this document are licensed by Red Hat under a Creative Commons Attribution–Share Alike 3.0 Unported license ("CC-BY-SA"). An explanation of CC-BY-SA is available at http://creativecommons.org/licenses/by-sa/3.0/. In accordance with CC-BY-SA, if you distribute this document or an adaptation of it, you must provide the URL for the original version. Red Hat, as the licensor ofthis document, waives the right to enforce, and agrees not to assert, Section 4d of CC-BY-SA to the fullest extent permitted by applicable law. Red Hat, Red Hat Enterprise Linux, the Shadowman logo, JBoss, MetaMatrix, Fedora, the Infinity Logo, and RHCE are trademarks of Red Hat, Inc., registered in the United States and other countries. Linux® is the registered trademark of Linus Torvalds in theUnited States and other countries. All other trademarks are the property of their respective owners. 1801 Varsity Drive Raleigh, NC 27606-2072 USA Phone: +1 919 754 3700 Phone: 888 733 4281 Fax: +1 919 754 3701 PO Box 13588 Research Triangle Park, NC 27709 USA

The Red Hat Enterprise Linux Virtualization Guide contains information on installation, configuring, administering, andtroubleshooting virtualization technologies included with Red Hat Enterprise Linux.

Preface ix 1. About this book .............................................................................................................. ix 2. Document Conventions ................................................................................................... x 2.1. Typographic Conventions...................................................................................... x 2.2. Pull-quote Conventions ........................................................................................ xi 2.3. Notes and Warnings ............................................................................................ xii 3. We need your feedback................................................................................................. xii 3.1. Technical review requests ................................................................................... xiii 4. How should CIO's think about virtualization .................................................................... xiii I. Requirements and Limitations for Virtualization with Red Hat Enterprise Linux 1. System requirements 2. Xen restrictionsand support 3. KVM restrictions and support 4. Virtualization limitations 4.1. General limitations for virtualization ..................................................................... 4.2. KVM limitations .................................................................................................. 4.3. Xen limitations.................................................................................................... 4.4. Application limitations ......................................................................................... II. Installation 5. Installing the virtualization packages 5.1. Installing Xen with a new Red Hat Enterprise Linux installation .............................. 5.2. Installing Xen packages on an existing Red Hat Enterprise Linux system................ 5.3. Installing KVM with a new Red Hat Enterprise Linux installation ............................. 5.4. Installing KVM packages on an existing Red Hat Enterprise Linux system ............... 6. Virtualized guest installation overview 6.1. Creating guests with virt-install ............................................................................ 6.2. Creating guests with virt-manager...