From owner-freebsd-questions@FreeBSD.ORG Wed Aug 2 13:09:26 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C8A4516A4DF for ; Wed, 2 Aug 2006 13:09:26 +0000 (UTC) (envelope-from freminlins@gmail.com) Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.184]) by mx1.FreeBSD.org (Postfix) with ESMTP id EBBF343D58 for ; Wed, 2 Aug 2006 13:09:23 +0000 (GMT) (envelope-from freminlins@gmail.com) Received: by nf-out-0910.google.com with SMTP id n29so646792nfc for ; Wed, 02 Aug 2006 06:09:21 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=YtFBlSjvghLhAxoYwDk9RA3Ag2InEWCmYJmZ7TxngektKo90lGwmDuiFJ/d/UBVtELY8j6oUndVdNtuvgb2d3Flpnxws8g9/l9wGm8RtchlVEyGl7fExUS5GUpyZX0o7WYiCPqnZYDgJwbGhEhsM3mjA3jFdAM6bDuJRbbFFoi0= Received: by 10.49.55.13 with SMTP id h13mr2114400nfk; Wed, 02 Aug 2006 06:09:15 -0700 (PDT) Received: by 10.48.208.6 with HTTP; Wed, 2 Aug 2006 06:09:15 -0700 (PDT) Message-ID: Date: Wed, 2 Aug 2006 14:09:15 +0100 From: Freminlins To: "N. Harrington" In-Reply-To: <20060802030507.82549.qmail@web34510.mail.mud.yahoo.com> MIME-Version: 1.0 References: <20060802030507.82549.qmail@web34510.mail.mud.yahoo.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-questions@freebsd.org Subject: Re: Need Advice for Tuning NFS to place nice with a Netapp X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Aug 2006 13:09:26 -0000 Nicole, On 02/08/06, N. Harrington wrote: > > Hi > I have several web servers that are attached to a > Netapp (network appliance) unit via NFS-3. A few > servers are 5.5 and a few are 6.1 for comparison > testing. All seem to have lousy performance. We have a similar setup and it runs smoothly. Can you define "lousy performance" ? Can you give more details on your network? Are you using Gig ethernet? And over what medium? Can you also try just copying a 100MB file from the filer to one of the web servers and record the time? Are you running nfsiod? When > going through the issues with Netapp, the reasons > given were that we have too many GettAdr/Lookup > requests compared to actual reads. So all the NFS IOPS > are being used up by these requests. As soon as the > webservers get busy, requests pile up. > > I have tried everything I can think of. The web > servers are even mounted read only with no help. > > My current mount options are: > filer:/vol/fvol31 /home/13/13 nfs > ro,noatime,-r=32768,-T,-b,-R0,-i,-D2,-L 0 0 Mounting noatime for web servers is a good idea but... your "noatime" option has no effect on NFS mounts (check out the mount man page). You need "vol options no_atime_update" on the NetApp. Any advice for sysctl tunes or anything else would be > much appreciatted! > > Thanks > > Nicole > One last thing - are you female?! In a UNIX newsgroup?! Frem.