O'Reilly logo

CentOS High Availability by Mitja Resman

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

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 ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required