kern/173479: [nfs] chown and chgrp operations fail between FreeBSD 9.1RC3 NFSv4 server and RH63 NFSv4 client

[Christopher D. Harrison]

do you know what that sysctl attr is called?
     -C

On 11/26/12 21:19, Rick Macklem wrote:
> Christopher D. Harrison wrote:
>> The following reply was made to PR kern/173479; it has been noted by
>> GNATS.
>>
>> From: "Christopher D. Harrison"<harrison at biostat.wisc.edu>
>> To: bug-followup at FreeBSD.org, jas at cse.yorku.ca
>> Cc:
>> Subject: Re: kern/173479: [nfs] chown and chgrp operations fail
>> between FreeBSD
>> 9.1RC3 NFSv4 server and RH63 NFSv4 client
>> Date: Mon, 26 Nov 2012 17:23:15 -0600
>>
>> The same problem also occurs in FreeBSD 9.0 release.
>> -C
>>
> In case you didn't see the previous discussions, this happens for
> Linux 3.3 or later kernels, where the default is to put the uid in
> a string for the owner and owner_group attributes. RFC-3530, which
> has not yet been replaced as the RFC for NFSv4.0 does not recommend
> this. A requirement for client support of this is in an internet
> draft called rfc3530bis, but this has not become an RFC yet.
>
> I think the Linux folks "jumped the gun" when they made this the
> default. You can change this using a sysctl on the server, so that
> it uses the<username>@<domain>  format recommended by RFC-3530 or
> you can upgrade to stable/9, which does have client support for
> the uid in a string. (The "uid in a string" was added mainly to
> support NFSv4 root mounts for diskless clients.)
>
> This PR will be closed when I get home next week and can do so.
>
> rick
>
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