[OpenAFS-devel] Re: [OpenAFS] 2.6 kernel support anytime soon? Workarounds?

[Jeffrey Hutzelman]

On Tuesday, May 11, 2004 14:13:23 -0400 Garrett Wollman 
<wollman@khavrinen.lcs.mit.edu> wrote:

> <<On Tue, 11 May 2004 14:01:37 -0400, Jeffrey Hutzelman <jhutz@cmu.edu>
> said:
>
>> It had better not be.  As administrator of a machine, the GID space is
>> entirely under your control.  If you're going to run an AFS client, you
>> currently need to reserve GID's in the range 0x3F00-0xFEFF for AFS.
>> That  still leaves 16K groups for non-AFS uses, which is far more than
>> most  systems will ever need.
>
> This could bite us very hard.  Our users are set up with primary gid
> == uid, and the shared UID space runs from 5000 to 32000.

Only the supplementary group list is considered, so this isn't going to 
bother AFS.  However, it might cause problems for you if you actually have 
files owned by those groups.