From owner-freebsd-performance@FreeBSD.ORG Tue Mar 14 06:03:05 2006 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9FD6B16A400 for ; Tue, 14 Mar 2006 06:03:05 +0000 (UTC) (envelope-from hakmi@rogers.com) Received: from smtp103.rog.mail.re2.yahoo.com (smtp103.rog.mail.re2.yahoo.com [206.190.36.81]) by mx1.FreeBSD.org (Postfix) with SMTP id D5B8D43D45 for ; Tue, 14 Mar 2006 06:03:04 +0000 (GMT) (envelope-from hakmi@rogers.com) Received: (qmail 7997 invoked from network); 14 Mar 2006 06:03:03 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rogers.com; h=Received:From:To:Subject:Date:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Mailer:X-MimeOLE:Thread-Index; b=VYCbka6W8v6/aJaeOeDFvSVtgMysa+Nsmhb2MHKuvCxUhnYif5aDazB6C/PYi6yCZjs5keY2N679L6aepQfqJ/7gw8dkc4ZxouYTrD+0eKn9hCnCCRoIBBlljQHfasS/tUPN910A+h47kl5S0OecA9of1xBsAYK/KLxsDfRZf2k= ; Received: from unknown (HELO tamouh) (hakmi@rogers.com@70.27.160.99 with login) by smtp103.rog.mail.re2.yahoo.com with SMTP; 14 Mar 2006 06:03:03 -0000 From: "Tamouh H." To: Date: Tue, 14 Mar 2006 01:03:09 -0500 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Office Outlook, Build 11.0.6353 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Thread-Index: AcZHLPg1Th+M1cqVQb+q84W12Kxojg== Message-Id: <20060314060304.D5B8D43D45@mx1.FreeBSD.org> Subject: Adaptec 2230SLP RAID-5 slow on FreeBSD 5.4 X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Mar 2006 06:03:05 -0000 Hi, We're having trouble getting reasonable performance with an Adaptec = 2230SLP (FreeBSD shows it as 2130S SCSI U320) and latest FreeBSD 5.4 = snapshot using AAC drivers : __FBSDID("$FreeBSD: src/sys/dev/aac/aac.c,v 1.101.2.5=20 We're comparing diskinfo -t data between SCSI U320 and another machine = with SATA 150, and the results are surprising. We're getting around 45MB/s on the 2130S , while on SATA we receive = above 60MB/s. I've checked everything (cables, drives, played with read/write cache = enabled or disabled) but not with any significant results. I've seen other posts as well complaining about slow performance with = Adaptec 2100S series cards and FreeBSD 5.x . Any experiences with these adapters ? Is this Adaptec issue or something = with the AAC driver limiting its performance ? It is to the point where = I can actually feel the server is running awfully slow when doing = backups...etc Below are some info about the card, the drives and tests results: AAC0> controller details Executing: controller details Controller Information ---------------------- Remote Computer: S Device Name: S Controller Type: No Info Access Mode: READ-WRITE Controller Serial Number: Last Six Digits =3D 265763 Number of Buses: 1 Devices per Bus: 15 Controller CPU: Unknown Controller CPU Speed: 200 Mhz Controller Memory: 256 Mbytes Battery State: Not Present Component Revisions ------------------- CLI: 1.0-0 (Build #5263) API: 1.0-0 (Build #5263) Miniport Driver: 4.2-0 (Build #7348) Controller Software: 4.2-0 (Build #7348) Controller BIOS: 4.2-0 (Build #7348) Controller Firmware: (Build #7348) Controller Hardware: 2.64 The drives are in RAID-5 setup freebsd3# diskinfo -t /dev/aacd0s1f /dev/aacd0s1f 512 # sectorsize 221978296320 # mediasize in bytes (207G) 433551360 # mediasize in sectors 26987 # Cylinders according to firmware. 255 # Heads according to firmware. 63 # Sectors according to firmware. Seek times: Full stroke: 250 iter in 4.196076 sec =3D 16.784 msec Half stroke: 250 iter in 3.621842 sec =3D 14.487 msec Quarter stroke: 500 iter in 5.971962 sec =3D 11.944 msec Short forward: 400 iter in 6.133371 sec =3D 15.333 msec Short backward: 400 iter in 6.284642 sec =3D 15.712 msec Seq outer: 2048 iter in 3.366757 sec =3D 1.644 msec Seq inner: 2048 iter in 3.225525 sec =3D 1.575 msec Transfer rates: outside: 102400 kbytes in 3.137279 sec =3D 32640 = kbytes/sec middle: 102400 kbytes in 2.997041 sec =3D 34167 = kbytes/sec inside: 102400 kbytes in 4.061875 sec =3D 25210 = kbytes/sec -- COMPARE THIS WITH SATA DRIVE in RAID-1: freebsd1# diskinfo -t /dev/ar0s1g /dev/ar0s1g 512 # sectorsize 135622916608 # mediasize in bytes (126G) 264888509 # mediasize in sectors 16488 # Cylinders according to firmware. 255 # Heads according to firmware. 63 # Sectors according to firmware. Seek times: Full stroke: 250 iter in 1.494205 sec =3D 5.977 msec Half stroke: 250 iter in 1.417056 sec =3D 5.668 msec Quarter stroke: 500 iter in 2.862548 sec =3D 5.725 msec Short forward: 400 iter in 2.354758 sec =3D 5.887 msec Short backward: 400 iter in 2.300288 sec =3D 5.751 msec Seq outer: 2048 iter in 0.163812 sec =3D 0.080 msec Seq inner: 2048 iter in 0.177120 sec =3D 0.086 msec Transfer rates: outside: 102400 kbytes in 1.401566 sec =3D 73061 = kbytes/sec middle: 102400 kbytes in 1.664351 sec =3D 61525 = kbytes/sec inside: 102400 kbytes in 2.861386 sec =3D 35787 = kbytes/sec Any input is much appreciated... Thx, Tamouh Hakmi