From owner-freebsd-questions Sun Sep 24 13:14:42 1995 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.6.12/8.6.6) id NAA11764 for questions-outgoing; Sun, 24 Sep 1995 13:14:42 -0700 Received: from phaeton.artisoft.com (phaeton.Artisoft.COM [198.17.250.211]) by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id NAA11759 for ; Sun, 24 Sep 1995 13:14:38 -0700 Received: (from terry@localhost) by phaeton.artisoft.com (8.6.11/8.6.9) id NAA03738; Sun, 24 Sep 1995 13:11:22 -0700 From: Terry Lambert Message-Id: <199509242011.NAA03738@phaeton.artisoft.com> Subject: Re: Locking problem between SysV3.2 and FreeBSD NFS To: pavlidis@hyper.gr (Savas Pavlidis) Date: Sun, 24 Sep 1995 13:11:22 -0700 (MST) Cc: questions@freebsd.org In-Reply-To: <199509241249.PAA26922@hypernet.hyper.gr> from "Savas Pavlidis" at Sep 24, 95 03:49:11 pm X-Mailer: ELM [version 2.4 PL24] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Content-Length: 970 Sender: owner-questions@freebsd.org Precedence: bulk > I have a Motorola MPC200 computer in my job, running UNIX System V R32V3 > (System V3.2.3). I loaded FreeBSD on a 486 pc and tried to use the PC hard > disk via NFS. Connection established. All work OK, but when a program > running on Motorola tries to lock the file from the PC, the program hungs. NFS locking is not currently supported. The Motorolla box is supposed to gracefully continue after an NFS lock failure, not hang. > As the NFS is a standard method of sharing disk resources, I think that > it mustn't be a compatibility problem. The NFS locking protocol is insufficiently documented, even in the very expensive ISO standards document for NFS, to allow someone to do a working implementation. People are working on it. I believe that BSDI and Linux also lack this feature, as do some commercial UNIX clones. Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers.