2018-01-24 13:41 GMT+01:00 Andreas Hasenack <andr...@canonical.com>:

> Are all your shares on zfs? Or, more importantly, all shares where this
> problem happens?
>
>
all shares are on zfs

> Do you have it happening on shares where there are no vfs modules being
> used?
>
>
all shares use vfs modules


>
> Also, about my earlier question about the "id" command, I meant if the id
> <user> command correctly resolves the groups *at the time* the problem is
> happening, not in general.
>

yes i try id command at time of the problem and all groups were correctly
resolved .
Furthermore, access should not depend on the group since:
1) the owner of all files and folders is nobody
2) all shares use option  force user nobody

>
> And lastly but not least, do you think you could disable the nss caching
> for a while and see if the problem happens again? Or will that increase
> the load too much on your systems?
>


It is a server in production that provides a truly critical file sharing
service. If it stops, the analysis laboratories and the ambulatories of the
entire hospital will stop. I do not feel like making such a change.


Alberto

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https://bugs.launchpad.net/bugs/1743354

Title:
   samba with backend ldap: can not access share or file even if user is
  authorized : NT_STATUS_ACCESS_DENIED

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