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CentOS High Availability

You're reading from CentOS High Availability

Product type Book

Published in Apr 2015

Publisher

ISBN-13 9781785282485

Pages 174 pages

Edition 1st Edition

Languages

Concepts

High Performance Programming

Table of Contents (21) Chapters

CentOS High Availability

Credits

About the Author

About the Reviewers

www.PacktPub.com

Preface

1. Getting Started with High Availability

2. Meet the Cluster Stack on CentOS

3. Cluster Stack Software on CentOS 6

4. Resource Manager on CentOS 6

5. Playing with Cluster Nodes on CentOS 6

6. Fencing on CentOS 6

7. Testing Failover on CentOS 6

8. Two-node Cluster Considerations on CentOS 6

9. Cluster Stack Software on CentOS 7

10. Resource Manager on CentOS 7

11. Playing with Cluster Nodes on CentOS 7

12. STONITH on CentOS 7

13. Testing Failover on CentOS 7

14. Two-node Cluster Considerations on CentOS 7

Index

Configuring failover domains

The <rm> tag in the CMAN configuration file usually begins with the definition of a failover domain, but configuring a failover domain is not required for normal operation of the cluster.

A failover domain is a set of cluster nodes with configured failover rules. The failover domain is attached to the cluster service configuration; in the event of a cluster node failure, the configured cluster service's failover domain rules are applied.

Failover domains are configured within the <rm> RGManager tag. The failover domain configuration begins with the <failoverdomains> tag and ends with the </failoverdomains> tag. Within the <failoverdomains> tag, you can specify one or more failover domains in the following form:

<failoverdomain failoverdomainname failoverdomain_options>
</failoverdomain>

Note

The failoverdomainname parameter is a unique name provided for the failover domain in the form of name="desired_name".

The failoverdomain_options...

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