Le 20/05/2020 à 11:13, François Patte a écrit :
> 
> 
> 
> -------- Message transféré --------
> Sujet : Re: automatic mount of partitions
> Date : Wed, 20 May 2020 11:08:08 +0200
> De : François Patte <francois.pa...@mi.parisdescartes.fr>
> Organisation : Université Paris Descartes
> Pour : Greg Woods <g...@gregandeva.net>
> 
> Le 19/05/2020 à 18:59, Greg Woods a écrit :
>>
>>
>> On Tue, May 19, 2020 at 10:41 AM François Patte
>> <francois.pa...@mi.parisdescartes.fr
>> <mailto:francois.pa...@mi.parisdescartes.fr>> wrote:
>>
>>
>>
>>     I have computer A (a desktop) and a computer B (a laptop) and I want to
>>     automatically mount a partition of A on B when B starts.
>>
>>
>> I use systemd automounts for this. In /etc/fstab on B, something like this:
>>
>> A:/path/to/mount /path/on/B nfs
>> noauto,rw,x-systemd.automount,x-systemd.idle-timeout=1min,x-systemd.mount-timeout=30
>>     0 0
>>
>> Generally, just accessing anything under /path/on/B will cause the mount
>> to happen. It will then unmount after 1 minute of nothing accessing
>> /path/on/B. An attempt to access /path/on/B if A is not available will
>> hang for 30 seconds, then report a failure to the accessing application.
> 
> Thank you. I try this and up to now I failed to mount the remote
> directory...
> 
> I added user in the options.
> 
> 1- selinux came with some suggestions to add with semanage,
> setsebool.... Without any effect (ie. when I try to mount the directory,
> setroubleshoot always suggest the same operations to do if I want to
> mount my directory and, if I retry to execute the suggested commands, it
> replies that the stuff is already set... and, as usual with selinux, for
> some commands you have a list of options to try without any explanations
> about the meaning of these options! So you have to try the first, the
> the second.... boring!)
> 
> 2- I disabled selinux. And still it is impossible to mount the remote
> directory: no messages in /var/log, I tried journalctl without any
> success:journalctl -f returns nothing when I try to mount the directory,
> and journalctl | grep automount returns " Got automount request for
> /home/.../...", then: "Failed with result 'mount-start-limit-hit'".... A
> very helpfull message indeed!

Two things were missing on the server:

1- enable nfs-server.service

2- Add:
/exported-folder 192.168.1.0/255.255.255.224(rw,sync,no_subtree_check)
in /etc/exports file

and exportfs -ra

-- 
François Patte
UFR de mathématiques et informatique
Laboratoire CNRS MAP5, UMR 8145
Université Paris Descartes
45, rue des Saints Pères
F-75270 Paris Cedex 06
Tél. +33 (0)6 7892 5822
http://www.math-info.univ-paris5.fr/~patte
FSF
https://www.fsf.org/blogs/community/presenting-shoetool-happy-holidays-from-the-fsf

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