From owner-freebsd-current@FreeBSD.ORG Thu Oct 18 08:20:42 2007 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 E9BC016A41A for ; Thu, 18 Oct 2007 08:20:42 +0000 (UTC) (envelope-from richardtector@thekeelecentre.com) Received: from mx0.thekeelecentre.com (mx0.thekeelecentre.com [217.206.238.167]) by mx1.freebsd.org (Postfix) with ESMTP id 654A213C457 for ; Thu, 18 Oct 2007 08:20:42 +0000 (UTC) (envelope-from richardtector@thekeelecentre.com) Received: from localhost (mailfil.mx0.thekeelecentre.com [217.206.238.165]) by mx0.thekeelecentre.com (Postfix) with ESMTP id 7D48541B0; Thu, 18 Oct 2007 09:20:41 +0100 (BST) X-Virus-Scanned: by amavisd-new at mx0.thekeelecentre.com Received: from mx0.thekeelecentre.com ([217.206.238.167]) by localhost (mailfil.mx0.thekeelecentre.com [217.206.238.165]) (amavisd-new, port 10024) with ESMTP id CmYWxcSsqG05; Thu, 18 Oct 2007 09:20:38 +0100 (BST) Received: from [10.0.2.11] (82-71-32-9.dsl.in-addr.zen.co.uk [82.71.32.9]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx0.thekeelecentre.com (Postfix) with ESMTP id 5AD86416F; Thu, 18 Oct 2007 09:20:38 +0100 (BST) Message-ID: <47171750.8050906@thekeelecentre.com> Date: Thu, 18 Oct 2007 09:20:32 +0100 From: Richard Tector User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Stefan Lambrev References: <47161A42.2050306@moneybookers.com> <471636E4.90807@thekeelecentre.com> <47163ACC.1080807@moneybookers.com> <47163B9B.4010901@thekeelecentre.com> <471715AD.3080102@moneybookers.com> In-Reply-To: <471715AD.3080102@moneybookers.com> Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms060905080309080309020304" Cc: freebsd-current@freebsd.org Subject: Re: Very slow HP 8 Internal Port SAS HBA with RAID 0, 1 on Hot Plug SAS/SATA Models (LSI SAS1068 - mpt) 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: Thu, 18 Oct 2007 08:20:43 -0000 This is a cryptographically signed message in MIME format. --------------ms060905080309080309020304 Content-Type: text/plain; charset=windows-1251; format=flowed Content-Transfer-Encoding: 7bit Stefan Lambrev wrote: > Enabling write cache really helps, so now I have to find a battery > backup unit for the controller (if it supports it). > > Anyway here are the results of bonnie++ : > > Version 1.93c ------Sequential Output------ --Sequential Input- > --Random- > Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- > --Seeks-- > Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP > /sec %CP > netguard.com 16G 416 99 63957 15 26411 8 702 99 70399 13 > 192.2 5 > Latency 21185us 462ms 785ms 22855us 134ms > 139ms > Version 1.93c ------Sequential Create------ --------Random > Create-------- > netguard.com -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- > files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP > /sec %CP > 256:65536:65536/16 865 13 897 9 30908 60 858 13 88 2 > 6251 48 > Latency 1082ms 136ms 357ms 1678ms 3044ms > 1065ms > 1.93c,1.93c,netguard..com,1,1192619536,16G,,416,99,63957,15,26411,8,702,99,70399,13,192.2,5,256,65536,65536,,16,865,13,897,9,30908,60,858,13,88,2,6251,48,21185us,462ms,785ms,22855us,134ms,139ms,1082ms,136ms,357ms,1678ms,3044ms,1065ms > > > But isn't 70MB/s sequential read little slow for raid 1 with 2x500GB > SATA II HDDs? 70MB/s from desktop drives is pretty respectabloe, IMHO. 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