On Tue, Feb 8, 2011 at 1:16 PM, Mario Kleinsasser
<
mario.kleinsasser+debian@gmail.com> wrote:
>
> Currently I am facing the following problem. At work site we have an IBM
> mainframe (i6OS). We are using this mainframe as NFS server to share data
> between both worlds.
> Since the mainframe NFS supports v.4 we are using it because it is much
> easier to handle through firewalls (single port etc.)
> In this setup the Debian server (Lenny) is acting as NFS client that is
> working quite cool. No problem on mounting, reading, writing files....
> If I am using a fresh Squeeze installation, it is impossible to mount the
> NFS share. No chance.
> The NFS client gave me the information "Access denied".
> In /var/log/syslog I got the message that user xyz@domain is not mappable to
> a local user. I've read a lot about the domain thing from NFSv4 and also
> about idmapd etc.... (and tried a lot) but why it works with Lenny but not
> with Squeeze?
> This setup runs inside a VMWare Esxi environment so its easy to test the
> behavior. When I shutdown the Squeeze box and startup the Lenny box (same IP
> etc...), all is working without problems. The other way - no chance. I also
> read about some problems in the Debian bug tracker and a common workaround
> for some problems is to downgrade to the Lenny version of nfs-common, like
> bug #585085.
> My question: is anyone using Lenny and Squeeze as NFS v4 only client in
> parallel? I have not installed a "normal" NFSv4 server until know.... I hope
> anyone could give me a hint to solve this.
> For your information, both servers, Lenny and Squeeze are installed from
> scratch (net-installer) without any modifications afterwards. First thing
> I've tested after installation is to mount the NFS server share. I guess
> there has something changed in the nfs-common package because I have the
> same problem if I am using an Ubuntu 10.4. Should I file a bug with detailed
> informations?