On Mon, 12 May 2008 09:05:46 +1000, Gary R. Schmidt wrote:

> The Linux NFSv4 server does *not* fall back to NFSv3 when it is not set
> up to do authentication and all the trimmings of NFSv4. I can't
> remember the exact sequence, but it basically sends back a failure
> status rather than a "try again".

Very good point and one which I had not considered.

> IOW - out of the box *no* NFSv4 client can connect to it, /not even it's
> own/!

However, the Solaris client does connect with the Solaris server using
NFSv3 when the prerequisites for NFSv4 have not been set on the server
and *without* the hack on /etc/default/nfs.