LinuxTechi - https://www.linuxtechi.com/configure-nfs-server-clustering-pacemaker-centos-7-rhel-7/
NFS (Network File System) is the most widely server to provide files over network. With NFS server we can share folders over the network and allowed clients or system can access those shared folders and can use them in their applications. When it comes to the production environment then we should configure nfs server in high availability to rule out the single point of failure.
In this article we will discuss how we can configure nfs server high availability clustering(active-passive) with pacemaker on CentOS 7 or RHEL 7
Following are my lab details that I have used for this