NFS mount fails CentOS5 on FC16 host

[Ed Greshko]

On 05/10/2012 05:40 AM, Bill Davidsen wrote:
> Ed Greshko wrote:
>> On 05/09/2012 10:26 PM, Bill Davidsen wrote:
>>> I get a message "rpc.idmapd appears not to be running" when it is running, and I'm
>>> using the same setup I have on my other clients from FC9 to fc17, including both
>>> 32/64 bit RHEL. Checked DNS to be sure the IP reverse maps properly, etc, etc. I do
>>> this on a real bunch of other machines, so I'm reasonably sure it's set up
>>> correctly. I did diff idmapd config between working and non-working machines, etc.
>>>
>>> Everything maps to nobody, which is not useful. Both CentOS5 and FC16 machines are
>>> current on patches.
>>> mount is "rw,soft,intr -t nfs4" and the idmap process is running on host and
>>> client, remounts from other clients work, etc, etc.
>>>
>>> Anyone have a clue?
>>>
>>
>> It isn't clear to me from the above what system is the Client and what system is the
>> Server and on which system you're getting the error message.
>>
> Sorry, I intended the subject to make that clear, the client is CentOS-5 the server
> FC16. The message appears on the CentOS5 client. The same server and data works on
> clients running FC9, FC10, FC13, RHEL-6, and I believe (ie. I'm told but haven't
> personally tested) OpenBSD works as well.
>
> This is the only machine which stopped working when the NFS server was updated, and
> of course it's the internal web server. :-(
>

The good news is....I was able to duplicate your problem.  The bad news is...I'm
unable to find a solution....

The "good" news is *everyone* seems to have the problem....

http://bugs.centos.org/view.php?id=5579

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