Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:36673 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752402Ab2HGTo4 (ORCPT ); Tue, 7 Aug 2012 15:44:56 -0400 Message-ID: <50217035.5010304@netapp.com> Date: Tue, 07 Aug 2012 15:44:53 -0400 From: Bryan Schumaker MIME-Version: 1.0 To: "J. Bruce Fields" CC: Jeff Layton , linux-nfs@vger.kernel.org Subject: Re: nfs4 mounts failing with 3.6.0-rc1 References: <20120804000819.GB25558@fieldses.org> <20120803220039.743fe1f0@corrin.poochiereds.net> <20120804190104.GA2135@fieldses.org> <20120807130932.79625d7e@tlielax.poochiereds.net> <20120807194250.GB22532@fieldses.org> In-Reply-To: <20120807194250.GB22532@fieldses.org> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-nfs-owner@vger.kernel.org List-ID: On 08/07/2012 03:42 PM, J. Bruce Fields wrote: > On Tue, Aug 07, 2012 at 01:09:32PM -0400, Jeff Layton wrote: >> On Sat, 4 Aug 2012 15:01:04 -0400 >> "J. Bruce Fields" wrote: >> >>> On Fri, Aug 03, 2012 at 10:00:39PM -0400, Jeff Layton wrote: >>>> On Fri, 3 Aug 2012 20:08:19 -0400 >>>> "J. Bruce Fields" wrote: >>>> >>>>> I'm getting >>>>> >>>>> # mount -tnfs -onfsvers=4 pip1:/exports /mnt/ >>>>> >>>>> (OK, admittedly that's with 3.6.0-rc1 + a few experimental patches, but >>>>> I doubt they're related.) >>>>> >>>>> Also: >>>>> >>>>> [root@pip2 ~]# modprobe nfs4 >>>>> [root@pip2 ~]# lsmod|grep nfs4 >>>>> [root@pip2 ~]# >>>>> >>>>> --b. >>>> >>>> I hit the same problem... >>>> >>>> Try removing /usr/lib/modprobe.d/nfs.conf (assuming you're running >>>> Fedora). >>> >>> Oog, right. >>> >>> But, without testing--won't that make v4 mounts fail on older kernels? >> >> Actually, now that I look, this does not seem to break on older kernels >> as long as you use a syntax like: >> >> # mount -t nfs server:/export /mnt/point -o vers=4 >> >> ...if, however you use a syntax like: >> >> # mount -t nfs4 server:/export /mnt/point >> >> ...then it fails without the above file in place. I guess the question >> we have to answer is: Do we want to continue to support the "-t nfs4" >> mount syntax? > > I think you're right that we want to deprecate it. > > Though this is a bit of a harsh way to do it--would have been nice to > have some transition period with a warning or something. I didn't expect this to be broken, both ways of mounting still work on my VMs so I expected them to work for everybody else too. - Bryan > > --b. >