From owner-freebsd-stable@FreeBSD.ORG Sun Apr 1 17:00:39 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5984516A403 for ; Sun, 1 Apr 2007 17:00:39 +0000 (UTC) (envelope-from lydianconcepts@gmail.com) Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.236]) by mx1.freebsd.org (Postfix) with ESMTP id F396113C45A for ; Sun, 1 Apr 2007 17:00:38 +0000 (UTC) (envelope-from lydianconcepts@gmail.com) Received: by nz-out-0506.google.com with SMTP id r28so791845nza for ; Sun, 01 Apr 2007 10:00:38 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=C09PqLtV333kJ9V33tUqIzz2csbQQbXxzRzSxlG0XRk6dRu2VPFrzbfNEZQlDi6qbnbDtUjqgrGe+aObIdiMWPX3u2wIqHNQlxYRjOtH5dN9lIuVq2c1LDj8ltCzdKOVT1tca7zKAPOW1DXLCvxP+F9NmkmFoEXxliFmPSaflsk= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=L1RmOfWILYT5Onb/51en+YcVUOcvMbmInl1BHt5TkZi0YLP3lVweiob67DfwmJexoyn0CYXcZ6RyFCnjkbYTKbi6hfk2LXfrOdkYa7lBb5cTq3nhGX84pRmwdJNCsL6R2n8xzVsC2VuRbwa01p7mfPpnvysqyONLJFuH0pbhaKM= Received: by 10.114.157.1 with SMTP id f1mr1519498wae.1175446838149; Sun, 01 Apr 2007 10:00:38 -0700 (PDT) Received: by 10.114.25.18 with HTTP; Sun, 1 Apr 2007 10:00:37 -0700 (PDT) Message-ID: <7579f7fb0704011000o781259d7u43b15cc999f60168@mail.gmail.com> Date: Sun, 1 Apr 2007 10:00:37 -0700 From: "Matthew Jacob" To: "Richard Tector" In-Reply-To: <460FCE61.7090006@thekeelecentre.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <460959E8.207@thekeelecentre.com> <7579f7fb0703271102q1a866897x2d63a86e72895125@mail.gmail.com> <46095CE5.5080600@thekeelecentre.com> <7579f7fb0703272018i68983d5cvb9fe84c79cebd473@mail.gmail.com> <460FCE61.7090006@thekeelecentre.com> Cc: freebsd-stable@freebsd.org Subject: Re: Dell SAS5 Performance Issue X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 01 Apr 2007 17:00:39 -0000 On 4/1/07, Richard Tector wrote: > Matthew Jacob wrote: > > On 3/27/07, Richard Tector wrote: > >> Matthew Jacob wrote: > >> > It's been seen before but the fix isn't know yet. > >> > > >> > On 3/27/07, Richard Tector wrote: > >> >> I'm suffering from very slow write performance on a Dell PowerEdge > >> 860 > >> >> with the SAS5/IR controller (mpt driver) running either > >> 6.2-RELEASE or > >> >> 6.2-STABLE with sources from yesterday. The controller hosts 2 > >> Western > >> >> Digital 320GB SATA disks in a RAID1 configuration. > >> >> Reads approach 65MB/s however writes appear extremely slow, in the > >> >> region of 6-7MB/s with a dd and a blocksize of 1MB all the way > >> down to > >> >> about 300KB/s while extracting a ports snapshot. > >> >> > >> >> It was suggested to me that perhaps write caching has been > >> disabled on > >> >> the controller however no options exist within the BIOS > >> configuration to > >> >> view/adjust *any* caching options. > >> >> > >> >> Has anyone else experienced this issue? If so how did they resolve > >> it? > >> >> Also, is there any way to toggle the caching settings from FreeBSD? > >> > A perhaps unrealted issue: > I've noticed a large number of messages being produced by the mpt driver > after boot occuring approximately every 90 seconds. > > Apr 1 15:51:43 moses kernel: mpt0: mpt_cam_event: 0x14 > Apr 1 15:51:43 moses kernel: mpt0: Unhandled Event Notify Frame. Event > 0x14 (ACK not required). > Apr 1 15:53:19 moses kernel: mpt0: mpt_cam_event: 0x14 > Apr 1 15:53:19 moses kernel: mpt0: Unhandled Event Notify Frame. Event > 0x14 (ACK not required). > > Any thoughts anyone? Is there any way to find out what the events > correspond to? > MPI spec, instantiated in MPILIB MPI_EVENT_IR_RESYNC_UPDATE internal raid resync update?