On 06/02/2017 04:22, Gordon Messmer wrote:
On Mon, Jan 16, 2017 at 12:36 PM, Stephen Morris
<samorris@xxxxxxxxxxxxxxx> wrote:
My Nas device now fails to mount at boot time via the CIFS definition in
fstab but the corresponding NFS definition mounts quite happily. Also after
the system comes up and I log into KDE I can manually mount the CIFS device.
As far as I am aware the only difference between when it was mounting at
boot time and now is several system updates, also the system update I did
yesterday morning (which updated several hundred packages, which included a
new kernel) has not rectified the issue.
I've been curious about this, and I was able to replicate the problem
shortly after you sent your email. I wasn't able to get any useful
information beyond that, so I let it sit for a few days. Last night I
thought I should try logging the state of the network interfaces and
routes when systemd reached the "network-online" state, so I wrote a
shell script and systemd unit to do that, and tested again. I'm no
longer able to reproduce the problem. :(
It's possible that some update in the last few days has fixed the
issue, but I don't see anything that looks relevant. If it comes
back, you should try logging the network state to try to get some idea
of when NetworkManager and systemd consider the network to be online.
My fstab entry was something like:
//10.1.1.1/windows /mnt cifs
username=user1,password=******,rw 0 0
Note that "auto" is a default option and does not need to be
specified, and _netdev is only needed for filesystems that refer to a
block device which is backed by a network-available source (such as an
iSCSI device). See the man page for systemd.mount for details.
The unit and script are:
$ cat /etc/systemd/system/iproute.service
[Unit]
Description=Log IP route after network is online
Wants=network-online.target
After=network-online.target
[Service]
Type=oneshot
ExecStart=/usr/local/bin/iproute-log
[Install]
WantedBy=multi-user.target
$ cat /usr/local/bin/iproute-log
#!/bin/sh
logger "addr at network-online"
/usr/sbin/ip addr show | logger
logger "route at network-online"
/usr/sbin/ip route show | logger
Once I resolved the issue with the network actually being up
(network-online would get resolved even though there was actually no
usable network device) the issue appeared to be being caused by the CIFS
mount being done at the same time as the NFS mount by systemd and the
network device (either the device itself or the router) not being able
to handle the parallel mounts.
I would like to thank everyone who provided assistance on this issue.
regards,
Steve
_______________________________________________
users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
_______________________________________________
users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
