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systemd seems to ignore _netdev option for NFS in Ubuntu 16.04



Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)NAS won't mount at boot but will mount with mount command after bootUbuntu 12.04 NFS v4 mount error incorrect mount option was specifiedUbuntu NFS ServerHow to mount a NFS share in Ubuntu 16.04?NFS mounts not working in ubuntu 16.04?nfs mount connection time out ubuntu 16.04Ubuntu NFS Client mounts but doesn't see files on Win 2008 Server16.04 nfs mount problems at boot timeUbuntu 18.04 - Mount NFS with FQDN not resolving addressNFS Share Permissions -Ubuntu 16.04Systemd mount.nfs fails: Network is unreachable on Ubuntu 16.04



.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








1















I have the following mount for NFS in /etc/fstab:



192.168.1.6:/var/share /media/share nfs hard,intr,retrans=10,timeo=10000000,_netdev 0 0


On reboot my system hangs; turns out it's the mount as proved by systemd-analyze blame.



The status:



● media-share.mount - /media/share
Loaded: loaded (/etc/fstab; bad; vendor preset: enabled)
Active: failed (Result: timeout) since Tue 2016-04-26 21:13:43 EDT; 6min ago
Where: /media/share
What: 192.168.1.6:/var/share
Docs: man:fstab(5)
man:systemd-fstab-generator(8)
Process: 1071 ExecMount=/bin/mount 192.168.1.6:/var/share /media/share -t nfs -o hard,intr,retrans=10,timeo=10000000,_netdev (code=kille

Apr 26 21:12:12 j-Lemur systemd[1]: Mounting /media/share...
Apr 26 21:13:42 j-Lemur systemd[1]: media-share.mount: Mounting timed out. Stopping.
Apr 26 21:13:42 j-Lemur systemd[1]: Mounted /media/share.
Apr 26 21:13:43 j-Lemur systemd[1]: media-share.mount: Unit entered failed state.


This appears to be a bug?



After logging in and running systemctl restart media-share.mount it is fixed (because the network is available now).










share|improve this question




























    1















    I have the following mount for NFS in /etc/fstab:



    192.168.1.6:/var/share /media/share nfs hard,intr,retrans=10,timeo=10000000,_netdev 0 0


    On reboot my system hangs; turns out it's the mount as proved by systemd-analyze blame.



    The status:



    ● media-share.mount - /media/share
    Loaded: loaded (/etc/fstab; bad; vendor preset: enabled)
    Active: failed (Result: timeout) since Tue 2016-04-26 21:13:43 EDT; 6min ago
    Where: /media/share
    What: 192.168.1.6:/var/share
    Docs: man:fstab(5)
    man:systemd-fstab-generator(8)
    Process: 1071 ExecMount=/bin/mount 192.168.1.6:/var/share /media/share -t nfs -o hard,intr,retrans=10,timeo=10000000,_netdev (code=kille

    Apr 26 21:12:12 j-Lemur systemd[1]: Mounting /media/share...
    Apr 26 21:13:42 j-Lemur systemd[1]: media-share.mount: Mounting timed out. Stopping.
    Apr 26 21:13:42 j-Lemur systemd[1]: Mounted /media/share.
    Apr 26 21:13:43 j-Lemur systemd[1]: media-share.mount: Unit entered failed state.


    This appears to be a bug?



    After logging in and running systemctl restart media-share.mount it is fixed (because the network is available now).










    share|improve this question
























      1












      1








      1








      I have the following mount for NFS in /etc/fstab:



      192.168.1.6:/var/share /media/share nfs hard,intr,retrans=10,timeo=10000000,_netdev 0 0


      On reboot my system hangs; turns out it's the mount as proved by systemd-analyze blame.



      The status:



      ● media-share.mount - /media/share
      Loaded: loaded (/etc/fstab; bad; vendor preset: enabled)
      Active: failed (Result: timeout) since Tue 2016-04-26 21:13:43 EDT; 6min ago
      Where: /media/share
      What: 192.168.1.6:/var/share
      Docs: man:fstab(5)
      man:systemd-fstab-generator(8)
      Process: 1071 ExecMount=/bin/mount 192.168.1.6:/var/share /media/share -t nfs -o hard,intr,retrans=10,timeo=10000000,_netdev (code=kille

      Apr 26 21:12:12 j-Lemur systemd[1]: Mounting /media/share...
      Apr 26 21:13:42 j-Lemur systemd[1]: media-share.mount: Mounting timed out. Stopping.
      Apr 26 21:13:42 j-Lemur systemd[1]: Mounted /media/share.
      Apr 26 21:13:43 j-Lemur systemd[1]: media-share.mount: Unit entered failed state.


      This appears to be a bug?



      After logging in and running systemctl restart media-share.mount it is fixed (because the network is available now).










      share|improve this question














      I have the following mount for NFS in /etc/fstab:



      192.168.1.6:/var/share /media/share nfs hard,intr,retrans=10,timeo=10000000,_netdev 0 0


      On reboot my system hangs; turns out it's the mount as proved by systemd-analyze blame.



      The status:



      ● media-share.mount - /media/share
      Loaded: loaded (/etc/fstab; bad; vendor preset: enabled)
      Active: failed (Result: timeout) since Tue 2016-04-26 21:13:43 EDT; 6min ago
      Where: /media/share
      What: 192.168.1.6:/var/share
      Docs: man:fstab(5)
      man:systemd-fstab-generator(8)
      Process: 1071 ExecMount=/bin/mount 192.168.1.6:/var/share /media/share -t nfs -o hard,intr,retrans=10,timeo=10000000,_netdev (code=kille

      Apr 26 21:12:12 j-Lemur systemd[1]: Mounting /media/share...
      Apr 26 21:13:42 j-Lemur systemd[1]: media-share.mount: Mounting timed out. Stopping.
      Apr 26 21:13:42 j-Lemur systemd[1]: Mounted /media/share.
      Apr 26 21:13:43 j-Lemur systemd[1]: media-share.mount: Unit entered failed state.


      This appears to be a bug?



      After logging in and running systemctl restart media-share.mount it is fixed (because the network is available now).







      mount nfs systemd






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Apr 27 '16 at 1:29









      user1529891user1529891

      2,36821522




      2,36821522




















          1 Answer
          1






          active

          oldest

          votes


















          0














          I had the same problem.



          There's some info on the Ubuntu Community Help Wiki here suggesting it is intentional behaviour by Ubuntu 16:




          Under NFSv3 (type nfs) the _netdev option will tell the system to wait to mount until the network is available. With a type of nfs4 this option is ignored, but can be used with mount -O _netdev in scripts later. Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up.




          My solution was to the add "vers=3" before "_netdev", forcing the connection to use NFS v3. Obviously this might not help in your case, if you are relying on NFS v4.



          Other options could include AutoFS or shell scripting.






          share|improve this answer























          • The "Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up" text has been there since long before systemd integration, which is supposed to take care of this. See bugs.debian.org/cgi-bin/bugreport.cgi?bug=835810 for example. The fact the systemd-fstab-generator produces units that have "Wants=network-online.target" is further evidence that this is intended to work.

            – Dominic Scheirlinck
            May 10 '17 at 0:18












          Your Answer








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          1 Answer
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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          0














          I had the same problem.



          There's some info on the Ubuntu Community Help Wiki here suggesting it is intentional behaviour by Ubuntu 16:




          Under NFSv3 (type nfs) the _netdev option will tell the system to wait to mount until the network is available. With a type of nfs4 this option is ignored, but can be used with mount -O _netdev in scripts later. Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up.




          My solution was to the add "vers=3" before "_netdev", forcing the connection to use NFS v3. Obviously this might not help in your case, if you are relying on NFS v4.



          Other options could include AutoFS or shell scripting.






          share|improve this answer























          • The "Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up" text has been there since long before systemd integration, which is supposed to take care of this. See bugs.debian.org/cgi-bin/bugreport.cgi?bug=835810 for example. The fact the systemd-fstab-generator produces units that have "Wants=network-online.target" is further evidence that this is intended to work.

            – Dominic Scheirlinck
            May 10 '17 at 0:18
















          0














          I had the same problem.



          There's some info on the Ubuntu Community Help Wiki here suggesting it is intentional behaviour by Ubuntu 16:




          Under NFSv3 (type nfs) the _netdev option will tell the system to wait to mount until the network is available. With a type of nfs4 this option is ignored, but can be used with mount -O _netdev in scripts later. Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up.




          My solution was to the add "vers=3" before "_netdev", forcing the connection to use NFS v3. Obviously this might not help in your case, if you are relying on NFS v4.



          Other options could include AutoFS or shell scripting.






          share|improve this answer























          • The "Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up" text has been there since long before systemd integration, which is supposed to take care of this. See bugs.debian.org/cgi-bin/bugreport.cgi?bug=835810 for example. The fact the systemd-fstab-generator produces units that have "Wants=network-online.target" is further evidence that this is intended to work.

            – Dominic Scheirlinck
            May 10 '17 at 0:18














          0












          0








          0







          I had the same problem.



          There's some info on the Ubuntu Community Help Wiki here suggesting it is intentional behaviour by Ubuntu 16:




          Under NFSv3 (type nfs) the _netdev option will tell the system to wait to mount until the network is available. With a type of nfs4 this option is ignored, but can be used with mount -O _netdev in scripts later. Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up.




          My solution was to the add "vers=3" before "_netdev", forcing the connection to use NFS v3. Obviously this might not help in your case, if you are relying on NFS v4.



          Other options could include AutoFS or shell scripting.






          share|improve this answer













          I had the same problem.



          There's some info on the Ubuntu Community Help Wiki here suggesting it is intentional behaviour by Ubuntu 16:




          Under NFSv3 (type nfs) the _netdev option will tell the system to wait to mount until the network is available. With a type of nfs4 this option is ignored, but can be used with mount -O _netdev in scripts later. Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up.




          My solution was to the add "vers=3" before "_netdev", forcing the connection to use NFS v3. Obviously this might not help in your case, if you are relying on NFS v4.



          Other options could include AutoFS or shell scripting.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Jun 15 '16 at 14:33









          zek19zek19

          1011




          1011












          • The "Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up" text has been there since long before systemd integration, which is supposed to take care of this. See bugs.debian.org/cgi-bin/bugreport.cgi?bug=835810 for example. The fact the systemd-fstab-generator produces units that have "Wants=network-online.target" is further evidence that this is intended to work.

            – Dominic Scheirlinck
            May 10 '17 at 0:18


















          • The "Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up" text has been there since long before systemd integration, which is supposed to take care of this. See bugs.debian.org/cgi-bin/bugreport.cgi?bug=835810 for example. The fact the systemd-fstab-generator produces units that have "Wants=network-online.target" is further evidence that this is intended to work.

            – Dominic Scheirlinck
            May 10 '17 at 0:18

















          The "Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up" text has been there since long before systemd integration, which is supposed to take care of this. See bugs.debian.org/cgi-bin/bugreport.cgi?bug=835810 for example. The fact the systemd-fstab-generator produces units that have "Wants=network-online.target" is further evidence that this is intended to work.

          – Dominic Scheirlinck
          May 10 '17 at 0:18






          The "Currently Ubuntu Server does not come with the scripts needed to auto-mount nfs4 entries in /etc/fstab after the network is up" text has been there since long before systemd integration, which is supposed to take care of this. See bugs.debian.org/cgi-bin/bugreport.cgi?bug=835810 for example. The fact the systemd-fstab-generator produces units that have "Wants=network-online.target" is further evidence that this is intended to work.

          – Dominic Scheirlinck
          May 10 '17 at 0:18


















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