From owner-freebsd-questions@FreeBSD.ORG Mon Jul 24 15:51:08 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4325716A4E0 for ; Mon, 24 Jul 2006 15:51:08 +0000 (UTC) (envelope-from roberto.nunnari@supsi.ch) Received: from mail.dti.supsi.ch (mail.dti.supsi.ch [193.5.153.13]) by mx1.FreeBSD.org (Postfix) with ESMTP id 985ED43D6A for ; Mon, 24 Jul 2006 15:51:01 +0000 (GMT) (envelope-from roberto.nunnari@supsi.ch) Received: from [193.5.152.27] (pcm2027.dti.supsi.ch [193.5.152.27]) by mail.dti.supsi.ch (8.12.11.20060308/8.12.11) with ESMTP id k6OFojdo005307; Mon, 24 Jul 2006 17:50:45 +0200 Message-ID: <44C4EC10.7070108@supsi.ch> Date: Mon, 24 Jul 2006 17:49:36 +0200 From: Roberto Nunnari User-Agent: Thunderbird 1.5.0.4 (Windows/20060516) MIME-Version: 1.0 To: Dan Nelson References: <44C4D679.602@supsi.ch> <20060724150846.GF22820@dan.emsphone.com> In-Reply-To: <20060724150846.GF22820@dan.emsphone.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: "'freebsd-questions@freebsd.org'" Subject: Re: max number of groups a user can be member of X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Jul 2006 15:51:08 -0000 Thank you Dan. I'll set up a test machine and try a kernel with the limit set to 256. Do you know if that change requires a build world or a buildkernel is enough? Best regards. Dan Nelson wrote: > In the last episode (Jul 24), Roberto Nunnari said: >> Hi everybody. >> >> Could anybody tell me the reason why by default FreeBSD >> limits the number of groups a user can be member of to 16? > > Compatibility with the NFS protocol. A google search on "nfs 16 > groups" returned a lot of hits. > > http://www.sunmanagers.org/archives/1998/1328.html > http://nfsworld.blogspot.com/2005/03/whats-deal-on-16-group-id-limitation.html > > You can raise the limit, but you need to make sure that you raise it on > all servers that share NFS mounts. If you don't you may end up with > remote file access either failing or not passing the full group > membership list to the remote server, which could cause incorrect > "permission denied" errors. > -- Roberto Nunnari -software engineer- mailto:roberto.nunnari@supsi.ch Scuola Universitaria Professionale della Svizzera Italiana Dipartimento Tecnologie Innovative http://www.dti.supsi.ch SUPSI-DTI Via Cantonale tel: +41-91-6108561 6928 Manno """ fax: +41-91-6108570 Switzerland (o o) =======================oOO==(_)==OOo========================