From owner-freebsd-current@FreeBSD.ORG Sun Jun 20 15:52:25 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 C31FE106566B for ; Sun, 20 Jun 2010 15:52:25 +0000 (UTC) (envelope-from oizs@freemail.hu) Received: from fep12.mx.upcmail.net (fep12.mx.upcmail.net [62.179.121.32]) by mx1.freebsd.org (Postfix) with ESMTP id 074348FC0A for ; Sun, 20 Jun 2010 15:52:24 +0000 (UTC) Received: from edge04.upcmail.net ([192.168.13.239]) by viefep12-int.chello.at (InterMail vM.8.01.02.02 201-2260-120-106-20100312) with ESMTP id <20100620155223.WCSF20209.viefep12-int.chello.at@edge04.upcmail.net> for ; Sun, 20 Jun 2010 17:52:23 +0200 Received: from [192.168.0.6] ([213.222.167.104]) by edge04.upcmail.net with edge id YFsL1e00x2FUr7104FsNfl; Sun, 20 Jun 2010 17:52:23 +0200 X-SourceIP: 213.222.167.104 Message-ID: <4C1E3932.50706@freemail.hu> Date: Sun, 20 Jun 2010 17:52:18 +0200 From: oizs User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.10) Gecko/20100512 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> <4C1CB76D.8020301@stillbilde.net> In-Reply-To: <4C1CB76D.8020301@stillbilde.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Cloudmark-Analysis: v=1.1 cv=K3uBg944YaUT+Qsu6bWO0a0V3uPy4DQNslbdoMCD4tw= c=1 sm=0 a=q8OS1GolVHwA:10 a=8nJEP1OIZ-IA:10 a=VeSHaWwbAAAA:8 a=fHl8mHwWxlonfIcnkH0A:9 a=WjAj2Vf5T1wZp-86gB0o1XQQf_wA:4 a=wPNLvfGTeEIA:10 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 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: Sun, 20 Jun 2010 15:52:25 -0000 Could you tell me exactly how did you configure your raid? I mean wb/read-ahead/blocksize/stripe etc. Much appreciated. -zsozso On 2010.06.19. 14:26, Svein Skogen (Listmail Account) wrote: > 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 > >