On Fri, 2012-06-01 at 15:53 +0000, Orion Poplawski wrote:
> I'm seeing a fair number of these messages on our file server:
>
> Jun 1 09:37:58 alexandria rpc.idmapd[28890]: nss_getpwnam: name 'nobody' does
> not map into domain 'cora.nwra.com'
>
> I think they are coming from accessing files on another file server that are
> owned by an unknown uid (user left and was removed from the user database).
> These files end up owned by "nobody" (as expected) on the remote system:
>
> drwxr-xr-x. 7 nobody nwra 4096 Mar 15 2010 analysis_data
>
> Now, this seems like a perfectly normal operation and so shouldn't generate a
> system log message. First two possible fixes I can think of:
>
> - Should the remote system send the username as "nobody@xxxxxxxxxxxxx" instead
> of just "nobody"?
No. According to section 5.8 of RFC3530, it should use the name "nobody"
without a domain, and the idmapper should be mapping that string to the
anonymous user (i.e. uid -2).
--
Trond Myklebust
Linux NFS client maintainer
NetApp
Trond.Myklebust@xxxxxxxxxx
www.netapp.com
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