[CentOS] nfs4, idmapd, users with same name, different uid?

Wed Aug 28 08:27:18 UTC 2013
Barbara Krasovec <barbarak at arnes.si>

On 8/28/13 9:37 AM, Barbara Krasovec wrote:
> On 8/27/13 12:01 AM, Les Mikesell wrote:
>> Is idmapd supposed to work where users have different uid numbers on
>> the nfsv4 server and client?     It seems to show the right names for
>> ownership on the client side, but if I automount a home directory,
>> that user doesn't have permission to enter it, and if I change
>> permission to allow access and create a new file, it shows on the
>> server as owned by the uid number for the user on the client (and
>> wrong on the server).
>>
>> Everything works like it would on nfs v3  where the uid numbers are
>> the same on the client and server, but what's the point of the
>> rpcidmapd daemon if it doesn't actually map the ids?
>>
> As far as I know, nfs4 doesn't care about UID/GID, but checks names, so
> it should work, no matter that you have different UIDs on server and
> client for same users.
>
> Cheers,
> Barbara
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Sorry, if you use nfs4 and idmapd uid/gid has to be the same on server 
and client. I have tested and it does not work when UID differs on 
server/client.

Cheers,
Barbara