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Citrix XenServer 6.0 Administration Essential Guide

You're reading from   Citrix XenServer 6.0 Administration Essential Guide Deploy and manage XenServer in your enterprise to create, integrate, manage and automate a virtual datacenter quickly and easily with this book and ebook.

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Product type Paperback
Published in Jun 2012
Publisher Packt
ISBN-13 9781849686167
Length 364 pages
Edition 1st Edition
Concepts
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Author (1):
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Daniele Tosatto Daniele Tosatto
Author Profile Icon Daniele Tosatto
Daniele Tosatto
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Table of Contents (18) Chapters Close

Citrix XenServer 6.0 Administration Essential Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Introducing XenServer Resource Pools FREE CHAPTER 2. Managing User Authentication 3. Managing Storage Repositories 4. Creating Virtual Machines 5. Managing Virtual Machines 6. Managing XenServer and Virtual Machine Memory 7. Managing XenServer Networking 8. Managing High Availability and Snapshots 9. Protecting and Monitoring XenServer Supported Guest Operating Systems and Virtual Machine Templates Applying Updates and Hotfixes Index

Configuring High Availability


After we have introduced the High Availability's concepts, we can learn how to enable HA.

This feature can be enabled on a pool using either XenCenter or the xe CLI.

Remember that when HA is enabled, some operations that would compromise the plan for restarting VMs may be disabled, such as removing a server from a pool. To perform these operations, HA can be temporarily disabled, or alternately, VMs protected by HA made unprotected. We will cover how to this later in the chapter.

If you want to enable HA using XenCenter, follow this procedure:

  1. Connect to your XenServer pool and click on your pool name.

  2. Click on Pool | High Availability… to start the High Availability wizard.

  3. The wizard guides you through the process. Click on Next to continue.

  4. XenServer will scan the storage repository in order to configure the heartbeat SR and prompts you to select the storage repository to use. Also, configured storage repositories that are not suitable for the heartbeat repository...

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