Strange NFS issue.

[Bill Davidsen]

Ed Greshko wrote:
> On 04/27/2010 12:44 PM, Tom H wrote:
>> On Mon, Apr 26, 2010 at 7:32 PM, Ed Greshko <Ed.Greshko at greshko.com> wrote:
>>   
>>> On 04/27/2010 03:43 AM, Tom H wrote:
>>>     
>>>> On Sun, Apr 25, 2010 at 6:51 PM, Ed Greshko <Ed.Greshko at greshko.com> wrote:
>>>>
>>>>       
>>>>> I've a strange issue with an NFS mount on a F13-Beta.
>>>>>
>>>>> The nfs server is a RHELv4 system.  The exports contains....
>>>>> /home/egreshko          192.168.0.0/255.255.255.0(rw,sync,fsid=0,nohide)
>>>>>
>>>>> This is mounted just fine on a F11 system whose fstab contains...
>>>>> misty:/                 /home/egreshko/misty    nfs4    rw
>>>>>
>>>>> On the F13 system the fstab contains....
>>>>> 192.168.0.55:/          /media/test             nfs4    rw
>>>>>
>>>>> Now the weirdness, on the F13 system....
>>>>>
>>>>> [egreshko at f13 media]$ ls -l
>>>>> total 12
>>>>> drwx------. 170 nobody nobody 8192 Apr 25 10:22 test
>>>>>
>>>>> [egreshko at f13 media]$ ls -n
>>>>> total 12
>>>>> drwx------. 170 99 99 8192 Apr 25 10:22 test
>>>>>
>>>>> [egreshko at f13 media]$ touch test/x
>>>>> [egreshko at f13 media]$ ll test/x
>>>>> -rw-rw-r--. 1 nobody nobody 0 Apr 25 10:23 test/x
>>>>>
>>>>> [egreshko at f13 media]$ ls -n test/x
>>>>> -rw-rw-r--. 1 99 99 0 Apr 25 10:23 test/x
>>>>>
>>>>> If I go to the RHELv4 system or the F11 system I see....
>>>>>
>>>>> [egreshko at meimei misty]$ ll x
>>>>> -rw-rw-r--. 1 egreshko egreshko 0 2010-04-25 10:23 x
>>>>>
>>>>> [egreshko at meimei misty]$ ls -n x
>>>>> -rw-rw-r--. 1 500 500 0 2010-04-25 10:23 x
>>>>>
>>>>> I'm thinking it must be related to the idmapd process....
>>>>> I find it strange that the log file shows....
>>>>>
>>>>> rpc.idmapd[3376]: nss_getpwnam: name 'egreshko at localdomain' does not map
>>>>> into domain 'greshko.com'
>>>>>
>>>>> when....
>>>>> [root at f13 etc]# hostname
>>>>> f13.greshko.com
>>>>> [root at f13 etc]# host f13.greshko.com
>>>>> f13.greshko.com has address 192.168.0.196
>>>>>
>>>>> and the idmapd.conf contains....
>>>>> Domain = greshko.com
>>>>>
>>>>> Since this works fine on F11, and I'm pretty sure it worked just fine
>>>>> when testing on F12, it would seem to be something with F13....unless
>>>>> I'm missing something.
>>>>>
>>>>>         
>>>> Is rpc.idmapd running on the F13 box?
>>>>
>>>>       
>>> Yes...  Didn't you see the log entry that I posted above, that comes
>>> from rpc.imapd?
>>>     
>> Thought that it came from the RHEL server not the F13 client.
>>   
> It is the client....  If idmap isn't running the result on the client
> side is....
> 
> drwx------. 170 4294967294 4294967294 8192 Apr 26 08:11 test
> 
> Looks like not many folks are testing NFS....or this problem is strange
> or related to the RHELv4 server. 
> 
Either that or not bothering to report bugs. Given the response to the 
FC[6,9,10,11} NFS bug I reported just being marked WONTFIX, I only report new 
and serious NFS breakage in FC13, I assume the old bugs aren't of interest.

-- 
Bill Davidsen <davidsen at tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot