This article will help you to setup High Availability NFS server using Pacemaker on Redhat Enterprise Linux 7. From the scratch ,we will build the pacemaker blocks which includes package installation , configuring the HA resources, fencing etc. NFS shares are used for setting up the home directories and sharing the same content across multiple servers. NFS HA will suit for customers who can’t afford NAS storage. You might have followed Pacemaker articles on UnixArena where we have setup Failover KVM VM and GFS earlier. If not , please go through it to understand the various component of pacemaker and how it works. This article is not going to cover in-depth.