Messages in this thread | | | Date | Wed, 23 Aug 2006 10:20:00 -0400 | From | Peter Staubach <> | Subject | Re: Group limit for NFS exported file systems |
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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...
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