From: Frank van Maarseveen <frankvm@xs4all.nl>
To: Christian Fischer <Christian.Fischer@fischundfischer.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: NFS TUNING: #define NFS3_MAXGROUPS
Date: Mon, 27 Sep 2004 00:28:56 +0200 [thread overview]
Message-ID: <20040926222856.GA22758@janus> (raw)
In-Reply-To: <200409261643.29571.Christian.Fischer@fischundfischer.com>
On Sun, Sep 26, 2004 at 04:43:29PM +0200, Christian Fischer wrote:
> On Sunday 26 September 2004 16:38, Christian Fischer wrote:
> > Hello.
> >
> > Please can you tell me if NFS_MAXGROUPS is tunable for linux kernel? (and
> > is it safe?) I need more than 16 groups per user. For BSD-kernel it is a
> > tunable constant (i think so) and I'm not so familar with such things.
That limit is hardcoded in the SUNRPC protocol (part of NFS) and
_cannot_ be changed: it is a fundamental constant in NFS with AUTH_UNIX
authentication. However, there is a trick to bypass this protocol
limitation, see http://www.frankvm.com/nfs-ngroups for a 2.4.x patch.
The 2.6.x patch is under development.
--
Frank
next prev parent reply other threads:[~2004-09-26 22:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-26 14:38 NFS TUNING: #define NFS3_MAXGROUPS Christian Fischer
2004-09-26 14:43 ` Christian Fischer
2004-09-26 22:28 ` Frank van Maarseveen [this message]
2004-09-27 13:38 ` Christian Fischer
2004-09-26 16:10 ` Trond Myklebust
2004-09-26 16:25 ` Christian Fischer
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