[Bug 1838464] Re: NFS volume not mounting with systemd

[Dan Streetman]

> After=network.target

you want to use network-online.target, not (only) network.target.

you also may want to use
Before=umount.target
Before=remote-fs.target


systemd will create an automatic mount unit for all mounts, so you can see what params it uses if you mount the NFS share manually (i.e. remove your mount unit file and mount from cmdline) and run systemctl show, e.g.:
$ systemctl show mnt-nas-music.mount

it also will dynamically create mount files for everything you have in
/etc/fstab, at /run/systemd/generator/.

Is there a reason you want to replace the fstab entry with a systemd
mount unit file?

** Changed in: systemd (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1838464

Title:
  NFS volume not mounting with systemd

Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  Hello,

  I'm unable to mount NFS volume at boot time with systemd. Using Ubuntu 18.04.2 LTS.
  I commented out /etc/fstab entry:
  #192.168.1.103:/Multimedia/Music	/mnt/nas/music/	nfs	_netdev,auto,user,vers=3	0	0

  I created "/etc/systemd/system/mnt-nas-music.mount":
  [Unit]
  Description=NAS volume - Music
  After=network.target

  [Mount]
  What=192.168.1.103:/Multimedia/Music
  Where=/mnt/nas/music/
  Type=nfs
  Options=_netdev,auto,user,nfsvers=3
  TimeoutSec=10

  [Install]
  WantedBy=multi-user.target

  I enabled it with "systemctl enable mnt-nas-music.mount" so that when I run "systemctl is-enabled mnt-nas-music.mount" I obtain:
  enable

  But I keep obtaining this error ("systemctl status mnt-nas-
  music.mount"):

   mnt-nas-music.mount - NAS volume - Music
     Loaded: loaded (/etc/systemd/system/mnt-nas-music.mount; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Tue 2019-07-30 21:23:42 CEST; 29min ago
      Where: /mnt/nas/music
       What: 192.168.1.103:/Multimedia/Music
    Process: 1530 ExecMount=/bin/mount 192.168.1.103:/Multimedia/Music /mnt/nas/music -t nfs -o _netdev,user,nfsvers=3 (code=exited, status=32)

  lug 30 21:23:42 ubuntu-desktop systemd[1]: Mounting NAS volume - Music...
  lug 30 21:23:42 ubuntu-desktop mount[1530]: mount.nfs: Network is unreachable
  lug 30 21:23:42 ubuntu-desktop systemd[1]: mnt-nas-music.mount: Mount process exited, code=exited status=32
  lug 30 21:23:42 ubuntu-desktop systemd[1]: mnt-nas-music.mount: Failed with result 'exit-code'.
  lug 30 21:23:42 ubuntu-desktop systemd[1]: Failed to mount NAS volume - Music.

  If I run "journalctl -b" I notice that the attempt to mount NFS volume happens before network is ready:
  lug 30 21:23:42 ubuntu-desktop systemd[1]: Failed to mount NAS volume - Music.
  lug 30 21:23:48 ubuntu-desktop NetworkManager[978]: <info>  [1564514628.2750] device (enp2s0): Activation: successful, device activated.

  I think this is a bug.
  Thanks in advance
  Michele

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