From: =?iso-8859-1?Q?Andr=E9?= Berger Subject: Re: NFS issues with recent kernels [long] Date: Fri, 8 May 2009 22:37:51 +0200 Message-ID: <20090508203751.GD3801@fuchs> References: <20090417102659.GC55096@fuchs> <20090420091454.GB614@fuchs> <20090421043642.GA52257@fuchs> <20090508193813.GC3801@fuchs> <8D7394C9-0142-4635-88E5-139F4F5F39F6@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Cc: Linux NFS Mailing List , Guennadi Liakhovetski To: Chuck Lever Return-path: Received: from fmmailgate01.web.de ([217.72.192.221]:59189 "EHLO fmmailgate01.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754604AbZEHUhx (ORCPT ); Fri, 8 May 2009 16:37:53 -0400 In-Reply-To: <8D7394C9-0142-4635-88E5-139F4F5F39F6@oracle.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: * Chuck Lever (2009-05-08): > On May 8, 2009, at 3:38 PM, Andr=E9 Berger wrote: >> * Andr=E9 Berger (2009-04-21): >>> * Chuck Lever (2009-04-20): >>>> On Apr 20, 2009, at 5:14 AM, Andr=E9 Berger wrote: >>>>> * Chuck Lever (2009-04-17): [...] > Assuming 192.168.1.8 is your server, frame 79 and 622 report FSINFO =20 > results: > > Network File System, FSINFO Reply > [Program Version: 3] > [V3 Procedure: FSINFO (19)] > Status: NFS3_OK (0) > obj_attributes > attributes_follow: no value (0) > rtmax: 16384 > rtpref: 16384 > rtmult: 4096 > wtmax: 16384 > wtpref: 16384 > wtmult: 4096 > dtpref: 4096 > maxfilesize: 2194719883264 > time delta: 1.000000000 seconds > seconds: 1 > nano seconds: 0 > Properties: 0x0000001b > 1... . =3D SETATTR can set time on server > .1.. . =3D PATHCONF is valid for all files > ...1 . =3D File System supports symbolic links > .... 1 =3D File System supports hard links > > says your server operating system supports NFS rsize and wsize maxima= of=20 > 16384 bytes. > > RFC 1813: >> rtmax >> The maximum size in bytes of a READ request supported by the server.= =20 >> Any READ with a number greater than rtmax will result in a short rea= d of=20 >> rtmax bytes or less. My OS is 2.6.29.2, Debian etch, on a PPC system. I swear I got 32K [rw]size with kernels < 2.6.19, at least "mount" reported them as such. With recent kernels, "mount" and your analysis agree on just 16K. So, what can I do? -Andr=E9 --=20 May as well be hung for a sheep as a lamb! Linkstation/KuroBox/HG/HS/Tera Kernel 2.6/PPC from iPhone