NFS High Availability Clustering Using DRBD and Pacemaker on RHEL 8

This guide can be used to deploy a High Availability (HA) NFS cluster using DRBD, Pacemaker, and Corosync on a RHEL/CentOS 8 server. After following the instructions outlined in this guide, transferring data to or from an NFS export, to or from a client system, should not be interrupted during failover.