Ubuntu HPC NFS server setup on master node

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Create ext4 lvm partition with required space to be shared with clients. Mount created lvm partition on /export via UUID using /etc/fstab

1. Create home folder under /export

   mkdir -p /export/home

2. Install NFS packages

   apt install -y nfs-kernel-server

3. Enter the mount point in /etc/exports file and insert

   /export <private-subnet>(rw,sync,no_subtree_check)

   For example

   /export  172.16.1.0/24(rw,sync,no_subtree_check)

   Note that we are exporting entire /export from master and not just /export/home. Later we can create /export/apps for apps and other sub-folders for other purposes.

   In case of infiniband use <infiniband-subnet> to export NFS instead of <private-subnet>

4. Export the new path

   exportfs -a

5. Restart NFS server

   systemctl restart nfs-kernel-server

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