From owner-freebsd-fs Wed May 10 17: 6:12 2000 Delivered-To: freebsd-fs@freebsd.org Received: from smtp05.primenet.com (smtp05.primenet.com [206.165.6.135]) by hub.freebsd.org (Postfix) with ESMTP id 3FB0037B9CC for ; Wed, 10 May 2000 17:06:09 -0700 (PDT) (envelope-from tlambert@usr01.primenet.com) Received: (from daemon@localhost) by smtp05.primenet.com (8.9.3/8.9.3) id RAA04287; Wed, 10 May 2000 17:06:05 -0700 (MST) Received: from usr01.primenet.com(206.165.6.201) via SMTP by smtp05.primenet.com, id smtpdAAA1Xaavi; Wed May 10 17:05:59 2000 Received: (from tlambert@localhost) by usr01.primenet.com (8.8.5/8.8.5) id RAA11998; Wed, 10 May 2000 17:05:54 -0700 (MST) From: Terry Lambert Message-Id: <200005110005.RAA11998@usr01.primenet.com> Subject: Re: NFSv4 To: bfischer@Techfak.Uni-Bielefeld.DE (Bjoern Fischer) Date: Thu, 11 May 2000 00:05:54 +0000 (GMT) Cc: freebsd-fs@FreeBSD.ORG In-Reply-To: <20000506174054.A545@frolic.no-support.loc> from "Bjoern Fischer" at May 06, 2000 05:40:54 PM X-Mailer: ELM [version 2.5 PL2] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-fs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > Is there an (experimental) NFSv4 implementation for FreeBSD out there? > Or does anyone plan to implement NFSv4 for FreeBSD? > > What are the biggest show stoppers for a straight forward > implementation of NFSv4 on FreeBSD? RPCSEC_GSS? Locking? The locking protocol built into NFSv4 doesn't do delayed coelescence, and so is unsuitable for use with a stacking architecture that aggregates two or more filesystems as one (e.g. a remotely mouted CDROM and a translucent layer mounted from a second machine). Terry Lambert terry@lambert.org --- Any opinions in this posting are my own and not those of my present or previous employers. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message