From owner-freebsd-fs@FreeBSD.ORG Thu Jan 26 04:01:42 2012 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D1A0A1065673 for ; Thu, 26 Jan 2012 04:01:42 +0000 (UTC) (envelope-from rmacklem@uoguelph.ca) Received: from esa-annu.mail.uoguelph.ca (esa-annu.mail.uoguelph.ca [131.104.91.36]) by mx1.freebsd.org (Postfix) with ESMTP id 8CF058FC15 for ; Thu, 26 Jan 2012 04:01:42 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AqEFAGHPIE+DaFvO/2dsb2JhbABDhQmncgGCT4IcgQsCDRkCoTCOC5FTgS+HaQEFAxwEAQsBCAEGBAMDBBAPAQIBAoJmBQMDAQIHAxUBBQsHAgGBCQwnggaBFgSIP4xekm8 X-IronPort-AV: E=Sophos;i="4.71,572,1320642000"; d="scan'208";a="153757422" Received: from erie.cs.uoguelph.ca (HELO zcs3.mail.uoguelph.ca) ([131.104.91.206]) by esa-annu-pri.mail.uoguelph.ca with ESMTP; 25 Jan 2012 23:01:41 -0500 Received: from zcs3.mail.uoguelph.ca (localhost.localdomain [127.0.0.1]) by zcs3.mail.uoguelph.ca (Postfix) with ESMTP id B54CAB3EFF for ; Wed, 25 Jan 2012 23:01:41 -0500 (EST) Date: Wed, 25 Jan 2012 23:01:41 -0500 (EST) From: Rick Macklem To: freebsd-fs@freebsd.org Message-ID: <1280581135.166316.1327550501697.JavaMail.root@erie.cs.uoguelph.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Originating-IP: [172.17.91.203] X-Mailer: Zimbra 6.0.10_GA_2692 (ZimbraWebClient - FF3.0 (Win)/6.0.10_GA_2692) Subject: Is doing mount -u -o udp useful for you on an NFS mount? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Jan 2012 04:01:42 -0000 Hi, Using a "mount -u" to change from TCP to UDP for an NFS mount is somewhat broken for both NFS clients. To make it work correctly is not trivial. As such, I'd like to find out if anyone needs this capability? (Note, I am not talking about UDP mounts in general, just the case of switching a TCP mount to a UDP mount without doing an unmount/mount.) Thanks in advance for your feedback, rick