From mboxrd@z Thu Jan 1 00:00:00 1970 From: Trond Myklebust Subject: Re: nfs + Reiser4 Date: Thu, 08 Apr 2010 17:33:51 -0400 Message-ID: <1270762431.7276.28.camel@localhost.localdomain> References: <20100407173438.GA25614@fieldses.org> <4BBCD271.5040100@oracle.com> <20100407185157.GF26072@fieldses.org> <4BBCD618.50301@oracle.com> <20100407192025.GH26072@fieldses.org> <1270674567.3177.2.camel@localhost.localdomain> <4BBCFA28.2030101@catking.net> <1270680542.6995.21.camel@localhost.localdomain> <4BBE448A.3050408@catking.net> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Cc: "J. Bruce Fields" , Chuck Lever , linux-nfs@vger.kernel.org To: gg-B3jsHfKwJfLR7s880joybQ@public.gmane.org Return-path: Received: from mail-out2.uio.no ([129.240.10.58]:50699 "EHLO mail-out2.uio.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759107Ab0DHVd7 (ORCPT ); Thu, 8 Apr 2010 17:33:59 -0400 In-Reply-To: <4BBE448A.3050408-B3jsHfKwJfLR7s880joybQ@public.gmane.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: On Thu, 2010-04-08 at 23:03 +0200, gg-B3jsHfKwJfLR7s880joybQ@public.gmane.org wrote: > OK , I just tried this on ext3 partition and I'm not seeing the erratic > behaviour. So this may be down to a bad reaction between nfs and R4 as > I suspected. > > However, I am still seeing vers=2 , does this indicate some problem in > initial negociation and a drop back to nfs2 ? > > /dev/root on / type nfs > (rw,vers=2,rsize=4096,wsize=4096,namlen=255,hard,nointr,nolock,proto=udp,timeo=11,retrans=3,sec=sys,addr=192.168.1.3) I believe that nfsroot always defaults to vers=2 and udp unless you explicitly set the 'nfsvers=3' and 'proto=tcp' mount options. It also defaults to 4k rsize and wsize (set 'rsize=0,wsize=0' if you want the client to autonegotiate their values)... Cheers Trond