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Mounts

Info

See export options for export option details.

Systemd Automount

Preferred as these will automatically mount when needed and unmount after idle.

The mount unit defines how to mount the remote filesystem, automount unit triggers the mount unit.

Tip

Unit names must match where using only valid systemd unit characters. Typically just replace / with -, and drop root.

/mnt/path ➔ mnt-path

/etc/systemd/system/mnt-client_test.mount

0644 root:root

[Unit]
Description=NFS mount 127.0.0.1:/home/vagrant

[Mount]
What=127.0.0.1:/home/vagrant
Where=/mnt/client_test
Type=nfs
Options=nfsvers=4,minorversion=2,proto=tcp,fsc,noauto,nofail
TimeoutSec=30

[Install]
WantedBy=multi-user.target

/etc/systemd/system/mnt-client_test.automount

0644 root:root

[Unit]
Description=Automount NFS 127.0.0.1:/home/vagrant

[Automount]
Where=/mnt/client_test

[Install]
WantedBy=multi-user.target

Enable. 

systemctl daemon-reload
sysctmctl enable mnt-client_test.mount mnt-client_test.automount

FSTab

Traditional NFS share mounting.

The root directory must existing for NFS mounts. Options may be tested with manual NFS mount before adding to fstab.

mkdir /autofs/{EXPORT}  # Repeat for all mounts.

# Set unmounted directory immutable to prevent unmounted write attempts.
chown root:root /autofs/{EXPORT}
chmod 0755 /autofs/{EXPORT}
chattr +i /autofs/{EXPORT}

# Mount will override directory permissions.
mount -t nfs -o nfsvers=4,minorversion=2,proto=tcp,fsc,rsize=1048576,wsize=1048576,nocto 10.10.10.8:/home/vagrant /autofs/home/vagrant

/etc/fstab

0644 root:root

# nfs4 enables automounting.
# _netdev specifies mount is a network device and forces fstab to delay
# mounting until after required networks are up.
10.10.10.8:/home/vagrant /autofs/home/vagrant nfs4 rw,nfsvers=4,minorversion=2,proto=tcp,fsc,rsize=1048576,wsize=1048576,nocto,_netdev 0 0

Mount all exports. 

systemctl daemon-reload
mount -a