Re: nfs-idmap.service removed

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On 04/26/2012 10:55 PM, Steve Dickson wrote:
>
> On 04/26/2012 08:06 AM, Ed Greshko wrote:
>> On 04/26/2012 07:31 PM, Adam Williamson wrote:
>>> On Thu, 2012-04-26 at 07:49 +0800, Ed Greshko wrote:
>>>> Is there anywhere documentation outlining the decision to remove a separate
>>>> nfs-idmap.service from F17?  It seems that nfs-server.service must be enabled and
>>>> started in order for rpc.idmapd.  It doesn't seem logical that a system running a NFS
>>>> Client Only should be required to also run an NFS server.
>>> The changelog message reads:
>>>
>>> "Removed the nfs-idmap service. rpc.idmap is now part of the nfs-server
>>> service"
>>>
>>> Steve, can you elaborate? Do pure clients never need idmap?
>> Sure they do, if they want uid/gid mapped properly.....
>>
>> Here is the output from an F16 system showing the effect....
>>
>> First I mount with no rpc.idmap service running....
>>
>> [root@f16-1 ~]# mount -t nfs4 192.168.0.55:/syntegra /syntegra
>> [root@f16-1 ~]# ll /syntegra/
>> total 40
>> drwxrwxr-x. 3 4294967294 4294967294  4096 Mar 24  2010 HP-Pavilion
>> drwxr-xr-x. 9 4294967294 4294967294  4096 Nov 30 10:21 iso
>> drwxrwxr-x. 7 4294967294 4294967294  4096 Nov 30 10:34 linux-releases
>> drwx------. 2 4294967294 4294967294 16384 Apr  1  2007 lost+found
>>
>> And...then....
>>
>> [root@f16-1 ~]# umount /syntegra
>> [root@f16-1 ~]# systemctl start nfs-idmap.service
>> [root@f16-1 ~]# mount -t nfs4 192.168.0.55:/syntegra /syntegra
>> [root@f16-1 ~]# ll /syntegra/
>> total 40
>> drwxrwxr-x. 3 egreshko egreshko  4096 Mar 24  2010 HP-Pavilion
>> drwxr-xr-x. 9 egreshko egreshko  4096 Nov 30 10:21 iso
>> drwxrwxr-x. 7 egreshko egreshko  4096 Nov 30 10:34 linux-releases
>> drwx------. 2 root     root     16384 Apr  1  2007 lost+found
>>
>> Notice the difference?
>>
>>
> From your root prompt "[root@f16-1 ~]#" it appears you are on
> a f16 machine... In that cause yes the rpc.idmap service is needed.
>

I see....

So, what has changed where rpc.idmap service is no longer needed on the client side
to do proper mapping in nfs4?

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