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CentOS High Availability
book

CentOS High Availability

by Mitja Resman
April 2015
Intermediate to advanced content levelIntermediate to advanced
174 pages
3h 46m
English
Packt Publishing
Content preview from CentOS High Availability

Adding cluster resources and services

The difference between cluster resources and cluster services is that a cluster service is a service built from one or more cluster resources. A configured cluster resource is prepared to be used within a cluster service. When you are configuring a cluster service, you reference a configured cluster resource by its unique name.

Resources

Cluster resources are defined within the <rm> RGManager tag of the CMAN configuration file. They begin with the <resources> tag and end with the </resources> tag. Within the <resources> tag, all cluster resources supported by RGManager can be configured.

Cluster resources are configured with resource scripts, and all RGManager-supported resource scripts are located in the /usr/share/cluster ...

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Publisher Resources

ISBN: 9781785282485Supplemental Content