[Samba] Missing Files/Missing Folders from an NFS Share

Rowland Penny rpenny at samba.org
Wed Feb 15 20:28:47 UTC 2023



On 15/02/2023 20:18, Jeremy Allison wrote:
> On Wed, Feb 15, 2023 at 07:47:39PM +0000, Rowland Penny via samba wrote:
>>
>>
>> On 15/02/2023 19:01, Piviul via samba wrote:
>>> Il 15/02/23 14:14, Rowland Penny via samba ha scritto:
>>>> [...]
>>>> I would also like to point out that sharing an NFS share with Samba, 
>>>> has never been a good idea.
>>> Hi Rowland, can I ask you why share in samba an NFS mounted fs is not 
>>> a good idea?
>>>
>>> Piviul
>>>
>>
>> NFS has no real idea about user authentication and uses ipaddresses, 
> 
> True for NFSv3, not for NFSv4.

But then wont it be using NFSv4acls ?

> 
>> in other words, you are going to have problems, at least I did when I 
>> tried it once. It may be different now, but I doubt it. If you are 
>> going to share an nfs share, just do it with nfs.
> 
> Good advice, but mostly because NFS doesn't map completely to
> POSIX semantics, and it also means the data goes over the
> wire twice. Having said that, sometimes people need to do
> this (the Amazon NFS user is a case in point) so we should
> track down and help fix the problems when we can.

I can understanding helping people when we have to, but I still think 
the best first help should be 'do not do that', closely followed by 
'upgrade Samba' :-D

Rowland



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