This chapter covers cluster resource management on CentOS 7 with the Pacemaker cluster resource manager software. The Pacemaker cluster resource manager comes with a command-line tool called pcs. You will now learn how to find the information you require about the cluster resources supported by Pacemaker and all the details about cluster resource configuration. You will also learn how to add, delete, and reconfigure resources and services in your cluster. Then you will be familiarized with how to start, stop, and migrate resources from one host to another. When we are finished with this chapter, our cluster will be configured to run and provide a service for end users.