From: Peter Staubach <staubach@redhat.com>
To: Robert Szentmihalyi <robert.szentmihalyi@gmx.de>
Cc: ray-gmail@madrabbit.org, linux-kernel@vger.kernel.org
Subject: Re: Group limit for NFS exported file systems
Date: Wed, 23 Aug 2006 10:20:00 -0400 [thread overview]
Message-ID: <44EC6410.3030507@redhat.com> (raw)
In-Reply-To: <20060823111119.203710@gmx.net>
Robert Szentmihalyi wrote:
>> On 8/23/06, Robert Szentmihalyi <robert.szentmihalyi@gmx.de> wrote:
>>
>>> is there a group limit for NFS exported file systems in recent kernels?
>>> One if my users cannot access directories that belong to a group he
>>>
>> actually _is_ a
>>
>>> member of. That, however, is true only when accessing them over NFS. On
>>>
>> the local file
>>
>>> system, everything is fine. UIDs and GIDs are the same on client and
>>>
>> server, so that
>>
>>> cannot be the problem. Client and server run Gentoo Linux with kernel
>>>
>> 2.6.16 on the
>>
>>> server and 2.6.17 on the client.
>>>
>> Is he a member of more than 16 groups?
>>
>
> Yes. He is actually a member of 27 groups.
> Is the limit of 16 groups still current? I was under the impression that it is a limitation of 2.4 kernels....
> Is there any proper work-around for this?
The 16 group limit is defined by the specification for AUTH_SYS for the RPC.
It can not be easily changed without affecting interoperability.
The use of RPCSEC_GSS and Kerberos can remove this limit.
Thanx...
ps
next prev parent reply other threads:[~2006-08-23 14:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-23 9:16 Group limit for NFS exported file systems Robert Szentmihalyi
2006-08-23 9:32 ` Jan Engelhardt
2006-08-23 9:43 ` Robert Szentmihalyi
2006-08-23 10:55 ` Ray Lee
2006-08-23 11:11 ` Robert Szentmihalyi
2006-08-23 11:35 ` Ray Lee
2006-08-23 11:57 ` Jan Engelhardt
2006-08-23 13:01 ` Ray Lee
2006-08-23 14:20 ` Peter Staubach [this message]
2006-08-23 11:51 ` Andi Kleen
2006-08-23 14:13 ` Trond Myklebust
2006-08-23 15:36 ` Peter Staubach
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