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From: Christoph Kukulies <kuku@gilberto.physik.RWTH-Aachen.DE>
Message-Id: <199702231511.QAA23535@gil.physik.rwth-aachen.de>
Subject: Re: NFS (OpenVMS 6.2/UCX 4.0) nogo
In-Reply-To: <199702222153.OAA05259@phaeton.artisoft.com> from Terry Lambert at "Feb 22, 97 02:53:49 pm"
To: terry@lambert.org (Terry Lambert)
Date: Sun, 23 Feb 1997 16:11:56 +0100 (MET)
Cc: kuku@gilberto.physik.RWTH-Aachen.DE, terry@lambert.org, dfr@render.com,
        freebsd-current@freefall.freebsd.org
Reply-To: Christoph Kukulies <kuku@gilberto.physik.RWTH-Aachen.DE>
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> > > > > How does the VMS export filesystems to NFS (i.e. what is its
> > > > > equivalent to /etc/exports)?  Can you mount from other operating
> > > > > systems?
> > > > 
> > > > I can mount from a Sun4 (Sun OS 4.1.1) a HP-UX, an RS6000 (AIX 3.2)
> > > > a FreeBSD 2.0.5 system, a Dec Ultrix 4.2 - no problem without any
> > > > special flags. Just the 3.0-current systems are refused.
> > > 
> > > Have you tried disabling TCP extensions?
> > 
> > TCP with NFS in a local network? What do they have in common? I thought 
> > NFS is UDP. But I'll give it a try as well.

Gave it a short try: disabled the line tcp_extensions=YES in /etc/sysconfig,
rebooted, tried the mount, still 'permission denied'.

Will try on monday with the VMS guy being there. What I recall was that
the mount didn't get even through to the VMS side so that he couldn't
even see from his logs whz the mount was denied.

> 
> Ah.  Our NFS can do either TCP or UDP... it may be that:
> 
> o	We are using TCP and VMS only supports UDP
> 
> 	-- disabling extensions won't help
> 
> o	VMS supports TCP, byt doesn't support data-in-SYN
> 
> 	-- disabling extensions will help
> 
> 
> 					Terry Lambert
> 					terry@lambert.org
> ---
> Any opinions in this posting are my own and not those of my present
> or previous employers.
> 

--
Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de