Public bug reported:
Remote NFS filesystems defined in /etc/fstab are not mounted during the
boot process. Once the boot process is finished mounting from the
command line via mount or systemctl works just fine.
$ tail -2 /etc/fstab
# Media Library
disk.lan:/volume1/Library /media/Library nfs
rw,async,auto,nfsvers=3 0 0
$ systemctl status media-Library.mount
● media-Library.mount - /media/Library
Loaded: loaded (/etc/fstab)
Active: failed (Result: exit-code) since Fre 2015-12-04 15:16:55 CET; 10h ago
Where: /media/Library
What: disk.lan:/volume1/Library
Docs: man:fstab(5)
man:systemd-fstab-generator(8)
Dez 04 15:16:55 localhost systemd[1]: Mounting /media/Library...
Dez 04 15:16:55 localhost mount[730]: mount.nfs: Failed to resolve server
disk.lan: Temporary failure in n...lution
Dez 04 15:16:55 localhost systemd[1]: media-Library.mount: Mount process
exited, code=exited status=32
Dez 04 15:16:55 localhost systemd[1]: Failed to mount /media/Library.
Dez 04 15:16:55 localhost systemd[1]: media-Library.mount: Unit entered failed
state.
It looks like the network is not up when the mounting is done however
systemd dependencies as well as unit files generated from /etc/fstab
seem to be OK
$ systemd-analyze dot media-Library.mount
digraph systemd {
"remote-fs.target"->"media-Library.mount" [color="green"];
"remote-fs.target"->"media-Library.mount" [color="black"];
"media-Library.mount"->"network-online.target" [color="green"];
"media-Library.mount"->"remote-fs-pre.target" [color="green"];
"media-Library.mount"->"systemd-journald.socket" [color="green"];
"media-Library.mount"->"system.slice" [color="green"];
"media-Library.mount"->"network.target" [color="green"];
"media-Library.mount"->"-.mount" [color="green"];
"media-Library.mount"->"-.mount" [color="black"];
"media-Library.mount"->"system.slice" [color="grey66"];
"media-Library.mount"->"network-online.target" [color="grey66"];
"media-Library.mount"->"umount.target" [color="red"];
"umount.target"->"media-Library.mount" [color="green"];
"umount.target"->"media-Library.mount" [color="red"];
}
Color legend: black = Requires
dark blue = Requisite
dark grey = Wants
red = Conflicts
green = After
Despite the correct dependency between "media-Library.mount" and the
"network-online.target" looking at the journal log reveals that the
network is not yet started when the "network-online.target" is reached.
$ journalctl --boot _COMM=systemd _COMM=NetworkManager
Dez 04 15:16:55 localhost systemd[1]: Starting Hostname Service...
Dez 04 15:16:55 localhost systemd[1]: Started Hostname Service.
Dez 04 15:16:55 localhost NetworkManager[693]: <info> NetworkManager (version
1.0.4) is starting...
Dez 04 15:16:55 localhost NetworkManager[693]: <info> Read config:
/etc/NetworkManager/NetworkManager.conf
Dez 04 15:16:55 localhost systemd[1]: Started Network Manager.
Dez 04 15:16:55 localhost NetworkManager[693]: <info> VPN: loaded
org.freedesktop.NetworkManager.pptp
Dez 04 15:16:55 localhost systemd[1]: Reached target Network.
Dez 04 15:16:55 localhost NetworkManager[693]: <info> DNS: loaded plugin
dnsmasq
Dez 04 15:16:55 localhost systemd[1]: Reached target Network is Online.
Dez 04 15:16:55 localhost systemd[1]: Mounting /media/Library...
Dez 04 15:16:55 localhost systemd[1]: Starting /etc/rc.local Compatibility...
Dez 04 15:16:55 localhost NetworkManager[693]: <info> init!
Dez 04 15:16:55 localhost NetworkManager[693]: <info> update_system_hostname
Dez 04 15:16:55 localhost systemd[1]: Started /etc/rc.local Compatibility.
Dez 04 15:16:55 localhost NetworkManager[693]: <info> interface-parser:
parsing file /etc/network/interfaces
Dez 04 15:16:55 localhost systemd[1]: Started Authenticate and Authorize Users
to Run Privileged Tasks.
Dez 04 15:16:55 localhost NetworkManager[693]: <info> interface-parser:
finished parsing file /etc/network/inter
Dez 04 15:16:55 localhost NetworkManager[693]: <info> management mode:
unmanaged
Dez 04 15:16:55 localhost NetworkManager[693]: <info> devices added (path:
/sys/devices/pci0000:00/0000:00:1c.1/0000:0
Dez 04 15:16:55 localhost NetworkManager[693]: <info> device added (path:
/sys/devices/pci0000:00/0000:00:1c.1/0000:02
Dez 04 15:16:55 localhost NetworkManager[693]: <info> devices added (path:
/sys/devices/virtual/net/lo, iface: lo)
Dez 04 15:16:55 localhost NetworkManager[693]: <info> device added (path:
/sys/devices/virtual/net/lo, iface: lo): no
Dez 04 15:16:55 localhost NetworkManager[693]: <info> end _init.
The interesting sequence cut from the log above
...
Dez 04 15:16:55 localhost systemd[1]: Reached target Network is Online.
Dez 04 15:16:55 localhost systemd[1]: Mounting /media/Library...
...
Dez 04 15:16:55 localhost NetworkManager[693]: <info> init!
...
Dez 04 15:16:55 localhost NetworkManager[693]: <info> end _init.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: systemd 225-1ubuntu9
ProcVersionSignature: Ubuntu 4.2.0-19.23-generic 4.2.6
Uname: Linux 4.2.0-19-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: KDE
Date: Sat Dec 5 01:48:25 2015
InstallationDate: Installed on 2015-11-26 (8 days ago)
InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: Shuttle Inc. SH55J
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-19-generic
root=UUID=e751f86f-bb75-4ec0-bf6e-01b00a10945e ro quiet splash vt.handoff=7
SourcePackage: systemd
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/01/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 080015
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: SH55J
dmi.board.vendor: Shuttle Inc.
dmi.board.version: V10
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr080015:bd09/01/2010:svnShuttleInc.:pnSH55J:pvrV10:rvnShuttleInc.:rnSH55J:rvrV10:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: SH55J
dmi.product.version: V10
dmi.sys.vendor: Shuttle Inc.
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
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https://bugs.launchpad.net/bugs/1523028
Title:
Failed to mount NFS/remote filesystems from /etc/fstab on boot
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