Hi,
Perhaps a cryptic subject. Let me explain what the problem is.
For a long time we had a working NFS4 configuration. Server is a CentOS
9 Stream system
deployed as a host in IPA. Clients are mostly Ubuntu 20 systems.
Automount is in place
and working.
Two weeks ago we had to power off the server and bring it back up. Since
then the
idmap-ing isn't working anymore. What we see is that ls -l shows files
owned by
nobody:nogroup. If I create a file in that mounted directory then on the
server I can
see that it has the correct uid:gid.
In syslog we see lines like this one
nov 03 08:37:28 winkel nfsidmap[135850]: nss_name_to_gid: name
'keesb@localdomain' does not map into domain 'example.com'
localdomain is obviously not correct. But where does that come from?
Does it come from the NFS server?
Is it constructed on the NFS client? I have no idea where to look. All
Kerberos things seem to be in place.
In the mean time on the NFS client I have added Domain in the [General]
section in /etc/idmap.conf, like so
[General]
# set your own domain here, if it differs from the FQDN minus hostname
# Domain = localdomain
Domain = example.com
It was not needed before, but hey. Nevertheless, that didn't help. I
even rebooted this NFS client.
--
Kees
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