Re: NFSv4 behaviour on unknown users

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On Mon, 2010-11-29 at 19:12 +0100, Spelic wrote:
> Hello all
> we recently moved to nfsv4 from v3.
> 
> I'm currently using idmapd and not kerberos.
> 
> I noticed that now, with idmapd (and with idmapd is the only way I know 
> for configuring nfsv4 for now), users that are not known at server side 
> are squashed to nobody / nogroup  (65534 / 65534).
> And a chown by root from the client fails if the user is not known at 
> server side.
> 
> That's a problem... now we need ldap everywhere...
> 
> We were often using NFS for exporting some diskspace to machines on an 
> as-needed basis,
> so this new behaviour complicates the things greatly for us :-/
> It's almost easier to setup iSCSI targets now :-((
> 
> Is there a way to have nfsv4 with the behaviour of users of nfsv3, that 
> is, using numeric IDs instead of the names, like: "nfsserver, don't care 
> if you don't know the user, just give me the numeric ID for the file..."

No. That is not allowed by the spec.

Trond
-- 
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@xxxxxxxxxx
www.netapp.com

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