[CentOS] NFS Share fails to mount at boot time

Tue Aug 24 18:00:05 UTC 2021
Felix Natter <fnatter at gmx.net>

hi Bill,

Bill Gee <bgee at campercaver.net> writes:
> My suggestion - Add "_netdev" to the parameters list:
>
> 	NAS2HOST:/volume1/export/ /mnt/NAS2 nfs _netdev,rw,vers=3,soft,bg,intr 0
> 0

thanks for the hint. I added this, and so far I did not see the
problem. Cannot say for sure though, as this does not occur always.

Best Regards,
Felix

> ========
> Bill Gee
>
>
> On Tuesday, August 17, 2021 9:18:53 AM CDT Felix Natter wrote:
>> hello fellow CentOS Users,
>> 
>> on Scientific Linux 7 (_very_ similar to CentOS7), I get this when
>> trying to mount NFS Shares (exported from Synology NAS) automatically at
>> boot time:
>> 
>> [root at HOST ~]# journalctl -b 0 | grep NAS[20]
>> Jul 01 13:32:09 HOST systemd[1]: Mounting /mnt/NAS0...
>> Jul 01 13:32:09 HOST systemd[1]: Mounting /mnt/NAS2...
>> Jul 01 13:32:09 HOST systemd[1]: mnt-NAS0.mount mount process exited,
>> code=exited status=32
>> Jul 01 13:32:09 HOST systemd[1]: Failed to mount /mnt/NAS0.
>> Jul 01 13:32:09 HOST systemd[1]: Unit mnt-NAS0.mount entered failed
>> state.
>> Jul 01 13:32:09 HOST systemd[1]: mnt-NAS2.mount mount process exited,
>> code=exited status=32
>> Jul 01 13:32:09 HOST systemd[1]: Failed to mount /mnt/NAS2.
>> Jul 01 13:32:09 HOST systemd[1]: Unit mnt-NAS2.mount entered failed
>> state.
>> 
>> I read that enabling NetworkManager-wait-online.service can mitigate
>> that, but it's already enabled:
>> 
>> [root at HOST ~]# systemctl list-unit-files|grep wait
>> chrony-wait.service disabled
>> NetworkManager-wait-online.service enabled
>> plymouth-quit-wait.service disabled
>> 
>> /mnt/NAS2 is defined in /etc/fstab (/mnt/NAS0 is mounted analogously):
>> 
>> NAS2HOST:/volume1/export/ /mnt/NAS2 nfs rw,vers=3,soft,bg,intr 0 0
>> 
>> This does not always occur, and it seems to be a race condition, because
>> it did not occur a few months ago, before we moved offices (when only
>> the networking changed slightly).
>> 
>> Of course, once the computer is booted, I can always mount the shares
>> without problems.
>> 
>> Does someone have an idea?
>> 
>> Many Thanks and Best Regards,
>> 

-- 
Felix Natter
debian/rules!