From owner-freebsd-net@FreeBSD.ORG Fri Dec 8 09:06:01 2006 Return-Path: X-Original-To: net@freebsd.org Delivered-To: freebsd-net@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id C92B416A40F; Fri, 8 Dec 2006 09:06:01 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (vc4-2-0-87.dsl.netrack.net [199.45.160.85]) by mx1.FreeBSD.org (Postfix) with ESMTP id 90FBD43CA2; Fri, 8 Dec 2006 09:05:04 +0000 (GMT) (envelope-from imp@bsdimp.com) Received: from localhost (localhost [127.0.0.1]) by harmony.bsdimp.com (8.13.4/8.13.4) with ESMTP id kB894QIB031236; Fri, 8 Dec 2006 02:04:26 -0700 (MST) (envelope-from imp@bsdimp.com) Date: Fri, 08 Dec 2006 02:05:20 -0700 (MST) Message-Id: <20061208.020520.723205823.imp@bsdimp.com> To: harti@freebsd.org, hartmut.brandt@dlr.de From: "M. Warner Losh" In-Reply-To: <20061208091822.M17220@knop-beagle.kn.op.dlr.de> References: <20061207.080007.1720215207.imp@bsdimp.com> <20061207163626.N17220@knop-beagle.kn.op.dlr.de> <20061208091822.M17220@knop-beagle.kn.op.dlr.de> X-Mailer: Mew version 4.2 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.0 (harmony.bsdimp.com [127.0.0.1]); Fri, 08 Dec 2006 02:04:26 -0700 (MST) Cc: net@freebsd.org Subject: Re: FreeBSD NFS Client, Windows 2003 NFS server X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Dec 2006 09:06:01 -0000 In message: <20061208091822.M17220@knop-beagle.kn.op.dlr.de> Harti Brandt writes: : On Thu, 7 Dec 2006, Harti Brandt wrote: : : HB>On Thu, 7 Dec 2006, M. Warner Losh wrote: : HB> : HB>MWL>In message: <20061207090026.I17220@knop-beagle.kn.op.dlr.de> : HB>MWL> Harti Brandt writes: : HB>MWL>: MWL>Does anybody have experience with using FreeBSD 4.x or 6.x NFS clients : HB>MWL>: MWL>against a Windows 2003 NFS server? What is the performance relative : HB>MWL>: MWL>to using a FreeBSD NFS server? What is the stability? Does locking : HB>MWL>: MWL>work? Does the Windows 2003 server have extensions that grok file : HB>MWL>: MWL>system flags? : HB>MWL>: : HB>MWL>: I use this regularily (well, -CURRENT). I have no numbers, but performance : HB>MWL>: is ok. I have the home directories on a W2003k server and it 'feels' fast : HB>MWL>: enough. : HB>MWL> : HB>MWL>We see FreeBSD to FreeBSD NFS feeling fast enough for most things, but : HB>MWL>when we do a full build of our system from scratch it takes 10 hours : HB>MWL>over NFS vs 1 hour on a local disk. We're worried that if we were to : HB>MWL>try to do heavy NFS traffic to a Win2003 server with SFU this would be : HB>MWL>even slower. : HB> : HB>Ok. I did a very short test (no time to do much more). Read performance : HB>with dd if=/nfs/bigfile of=/dev/null bs=4k is around 9MByte/sec. Write : HB>performance with dd if=/dev/zero of=/nfs/bigfile bs=4k is 4MByte/sec. : HB> : HB>Client is something around 1GHz with a 100Mbps link. Fileserver is a : HB>double proc Xeon with a 1Gbps link. The Server has a load of around 30% : HB>(from the antivirus scanner). : HB> : HB>72Mbps on a 100Mbps link looks actually ok for me. I've no FreeBSD on a : HB>Gigabit link to test with. : HB> : HB>If you want I could try to do a buildworld. : : Ok. To answer my own mail. A buildworld with a local /usr/src takes 2:50h : on that machine, with /usr/src on the W2003 server 3:50h. Looks not that bad. So we're talking 33% slower here rather than 90% slower that I see for my entire product build. So the speed is similar to what I've seen over NFS here... Warner