From owner-freebsd-current@FreeBSD.ORG Sat Jun 19 12:26:28 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E286D1065672 for ; Sat, 19 Jun 2010 12:26:27 +0000 (UTC) (envelope-from svein-listmail@stillbilde.net) Received: from mail.stillbilde.net (unknown [IPv6:2002:51af:3dc3:0:20c:29ff:fece:79f3]) by mx1.freebsd.org (Postfix) with ESMTP id 66E798FC16 for ; Sat, 19 Jun 2010 12:26:27 +0000 (UTC) Received: from [IPv6:2002:51af:3dc3:0:2008:d04b:186d:9641] (unknown [IPv6:2002:51af:3dc3:0:2008:d04b:186d:9641]) (Authenticated sender: svein-listmail) by mail.stillbilde.net (Familien Skogens mail) with ESMTPSA id CA6A122 for ; Sat, 19 Jun 2010 14:26:40 +0200 (CEST) Message-ID: <4C1CB76D.8020301@stillbilde.net> Date: Sat, 19 Jun 2010 14:26:21 +0200 From: "Svein Skogen (Listmail Account)" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.10) Gecko/20100512 Lightning/1.0b1 Thunderbird/3.0.5 MIME-Version: 1.0 To: freebsd-current@freebsd.org References: <4C1AB4C0.4020604@freemail.hu> <4C1C88CD.3000506@stillbilde.net> <4C1C94D4.7040302@freemail.hu> In-Reply-To: <4C1C94D4.7040302@freemail.hu> X-Enigmail-Version: 1.0.1 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig6302425AF81F99881220E7F0" Subject: Re: Dell Perc 5/i Performance issues X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Jun 2010 12:26:28 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig6302425AF81F99881220E7F0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 19.06.2010 11:58, oizs wrote: > I tried almost everything raid 0 1 5 10 with all kind of stripes > 32/64/128 and settings direct io/cached/read-ahead/wt/wb/disk-cache but= > nothing seems to work. > I changed the card to another dell perc 5 which had an older firmware. > Tried 4 kind of motherboards even tried changing the os to linux and > windows xp/7. In windows I got some funny results 1.3MB/s with > write-back and 150MB/s reads with 5 disks in raid0. > I just wanted to have a hw raid with no problems since the motherboard > 88sx7042 and bsd did not like eachother. This is from a similar controller running that 8-disk raid5+0 setup: -------------------------------------------------- CrystalDiskMark 2.2 (C) 2007-2008 hiyohiyo Crystal Dew World : http://crystalmark.info/ -------------------------------------------------- Sequential Read : 665.383 MB/s Sequential Write : 300.452 MB/s Random Read 512KB : 616.604 MB/s Random Write 512KB : 306.306 MB/s Random Read 4KB : 64.465 MB/s Random Write 4KB : 7.646 MB/s Test Size : 100 MB Date : 2010/06/19 14:24:12 You should be looking at number about half of these. I ran the test with adaptive readahead enabled, and write-through for cache (since I run with BBU, I normally use write-back) //Svein --=20 --------+-------------------+------------------------------- /"\ |Svein Skogen | svein@d80.iso100.no \ / |Solberg =D8stli 9 | PGP Key: 0xE5E76831 X |2020 Skedsmokorset | svein@jernhuset.no / \ |Norway | PGP Key: 0xCE96CE13 | | svein@stillbilde.net ascii | | PGP Key: 0x58CD33B6 ribbon |System Admin | svein-listmail@stillbilde.net Campaign|stillbilde.net | PGP Key: 0x22D494A4 +-------------------+------------------------------- |msn messenger: | Mobile Phone: +47 907 03 575 |svein@jernhuset.no | RIPE handle: SS16503-RIPE --------+-------------------+------------------------------- If you really are in a hurry, mail me at svein-mobile@stillbilde.net This mailbox goes directly to my cellphone and is checked even when I'm not in front of my computer. ------------------------------------------------------------ Picture Gallery: https://gallery.stillbilde.net/v/svein/ ------------------------------------------------------------ --------------enig6302425AF81F99881220E7F0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (MingW32) iEYEARECAAYFAkwct3EACgkQODUnwSLUlKSLHwCfaW169xkc5YS8xa3Hn7uJp8fD degAniU5eIImcGlq4aalRQ+E3jxRsBt9 =CIo+ -----END PGP SIGNATURE----- --------------enig6302425AF81F99881220E7F0--