Managing Persistent Storage

In the previous chapter, we described how to install an OpenShift cluster using an advanced installation method. The next step of the installation process is to make persistent storage available for OpenShift users. In Chapter 1, Containers and Docker Overview, we already how to use Docker persistent volumes. Usually, we do not need any for development or testing purposes, but it is not the case with production environments where we need to store persistent data in certain cases. In this chapter, we will describe the persistent storage concept regarding the OpenShift infrastructure. We will also explain the need for using persistent storage in a production environment. The focus of this chapter is all about configuring an infrastructure to support persistent storage. This includes the following storage types: NFS, GlusterFS, iSCSI, and more. Besides...