Storage: NFS - Proxmox VE
https://pve.proxmox.com/wiki/Storage:_NFSStorage: NFS. The NFS backend is based on the directory backend, so it shares most properties. The directory layout and the file naming conventions are the same. The main advantage is that you can directly configure the NFS server properties, so the backend can mount the share automatically. There is no need to modify /etc/fstab.
remount | Proxmox Support Forum
https://forum.proxmox.com/tags/remount20.10.2016 · NFS doesn't remount automatically after turn on or restart the NAS Hi, I added NFS with the GUI and it works, if I switch off or restart or unplug/plug again the network cable of the NAS , proxmox (4.4.19-1-pve) is not able to remount automatically the NFS and I …