Date: Mon, 24 Jul 2006 17:49:36 +0200 From: Roberto Nunnari <roberto.nunnari@supsi.ch> To: Dan Nelson <dnelson@allantgroup.com> Cc: "'freebsd-questions@freebsd.org'" <freebsd-questions@freebsd.org> Subject: Re: max number of groups a user can be member of Message-ID: <44C4EC10.7070108@supsi.ch> In-Reply-To: <20060724150846.GF22820@dan.emsphone.com> References: <44C4D679.602@supsi.ch> <20060724150846.GF22820@dan.emsphone.com>
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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========================
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