Fw: nfs-idmap.service removed

Dennis Gilmore dennis at ausil.us
Fri Apr 27 14:53:06 UTC 2012


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Begin forwarded message:

Date: Fri, 27 Apr 2012 10:51:49 -0400
From: Steve Dickson <SteveD at redhat.com>
To: Dennis Gilmore <dennis at ausil.us>
Subject: Fwd: Re: nfs-idmap.service removed




- -------- Original Message --------
Subject: Re: nfs-idmap.service removed
Date: Thu, 26 Apr 2012 10:55:53 -0400
From: Steve Dickson <SteveD at RedHat.com>
To: Ed Greshko <Ed.Greshko at greshko.com>
CC: For testing and quality assurance of Fedora releases
<test at lists.fedoraproject.org>



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 at f16-1 ~]# mount -t nfs4 192.168.0.55:/syntegra /syntegra
> [root at 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 at f16-1 ~]# umount /syntegra
> [root at f16-1 ~]# systemctl start nfs-idmap.service
> [root at f16-1 ~]# mount -t nfs4 192.168.0.55:/syntegra /syntegra
> [root at 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 at f16-1 ~]#" it appears you are on
a f16 machine... In that cause yes the rpc.idmap service is needed.

steved.
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