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Date:      Fri, 16 Apr 2010 10:24:18 +0200
From:      Giulio Ferro <auryn@zirakzigil.org>
To:        Rick Macklem <rmacklem@uoguelph.ca>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, freebsd-stable@freebsd.org
Subject:   Re: NFS permission strangeness
Message-ID:  <4BC81EB2.9070107@zirakzigil.org>
In-Reply-To: <Pine.GSO.4.63.1004152023580.845@muncher.cs.uoguelph.ca>
References:  <4BC72276.6080003@zirakzigil.org> <Pine.GSO.4.63.1004152023580.845@muncher.cs.uoguelph.ca>

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On 16.04.2010 02:30, Rick Macklem wrote:
>> login as "giulio", but when I try to access that same dir on the 
>> client machine
>> I get:
>> $ cd /path/to/root/dir/etc
>> (ok)
>> $ cd subdir2
>> subdir2/: Permission denied.
>>
> What happens is that I can access "subdir2" on the server machine when I
>
> Yes, it should work. I just tried the same thing with a server running
> UFS/FFS and it worked fine, so I think that the problem might be ZFS 
> related. (You will get into trouble with more than 16 groups, since
> that is all that AUTH_SYS for Sun RPC handles, but I did 10 like your
> example and it worked ok for me, using FreeBSD-CURRENT client/server,
> except that my server uses UFS/FFS.)
>
> Hopefully someone with ZFS expertise can help out here?
>
> If you can conveniently do the same test using a server that exports
> a UFS/FFS file system, that would be helpful w.r.t. isolating the
> problem.
>
> rick

Yes, I have more than 16 groups, 22 actually...

However I still think this might be a NFS problem, since when I login on
the server machine I can access that directory all right, the problem arises
only when I try to access that dir in the client machine...

Giulio





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