Redhat High Availability Add-On on Centos 5.8

max imax asked:

could we use Redhat High availability Add-On on CentOS 5.8 server?
in other words should we purchase a license for Redhat high availability clustering for CentOS 5.8 or its included in CentOS without any charge?

We are going to have a clustering in a project and Redhat clustering add-on is required. i want to know that could we use CentOS with clustering instead of purchasing redhat OS and its Add-On licenses?

Thanks in Advance

My answer:

The packages included in these Red Hat add-ons are already present in CentOS. You don’t need to do anything to begin using them.

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