NFSv4+Kerberos: Special device does not exist

Kevin Coffman kwc at citi.umich.edu
Fri Mar 9 10:15:51 EST 2007


Are you able to mount with auth_sys?  (leave off "-o sec=krb5")

What does your /etc/exports look like on the server?

Enable verbose logging ("-vvv") for rpc.gssd on the client and
rpc.svcgssd on the server and send their output.

K.C.

On 3/8/07, Johan Marcusson <independence at blinkenlights.se> wrote:
> I've been trying to set up Kerberos5 and NFSv4, but I can't mount the
> filesystem on my client. I get this when I try to mount:
>
> indy independence # mount -v -t nfs4 -o sec=krb5 saturn:/ /mnt/remote1/
> mount: special device saturn:/ does not exist
>
> gssd reports:
> Using keytab file '/etc/krb5.keytab'
> doing downcall
>
> and in /var/log/messages I get this:
> Mar  9 05:01:20 indy rpc.idmapd[9967]: New client: 12
> Mar  9 05:01:20 indy rpc.idmapd[9967]:
> Opened /var/lib/nfs/rpc_pipefs/nfs/clnt12/idmap
> Mar  9 05:01:20 indy rpc.idmapd[9967]: Stale client: 12
> Mar  9 05:01:20 indy rpc.idmapd[9967]:  ->
> closed /var/lib/nfs/rpc_pipefs/nfs/clnt12/idmap
>
> idmapd doesn't say anything at all.
>
> I don't see anything strange there, but maybe I'm missing something
> obvious?
>
> I have added the principal on the server, and made the keytab-files.
>
> I have mounted the virtual filesystems, nfsd and rpc_pipefs. I have
> followed the instructions carefully. I do run all the services required
> on both client and server.
>
> klist -k lists:
>    3 nfs/indy.marcusson.local at MARCUSSON.LOCAL
>
> on the client, and:
>    3 nfs/saturn.marcusson.local at MARCUSSON.LOCAL
>
> on the server.
>
> The names saturn and indy is resolvable, and they've both got working
> reverse DNS-thingys. The client's /etc/hosts is almost empty, I wasn't
> sure if I was supposed to att anything there (felt redundant):
>
> 127.0.0.1       localhost
>
>
> On the server, nothing shows up in the syslog.
>
> Please help me, I've googled for answers for a really long time now but
> I can find anything useful :/
>
> Regards, Johan
>
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