I just setup a new netapp server running 7mode and for some reasons I am unable to assign unix group permissions on the qtrees that I have created. I am using a Red Hat server that is currently running as a NIS. I have the volumes automounted so I am able to access them but when I try and run a chgrp or chown I get an error saying invalid group. I have used those commands to assign group permissions to local folders on the server with no issues. Is there something I need to do on the netapp side so that I can assign these group permissions?