From mboxrd@z Thu Jan 1 00:00:00 1970 From: KELEMEN Peter Subject: Re: Which raid card to buy for Sarge Date: Thu, 1 Apr 2004 11:07:31 +0200 Sender: linux-raid-owner@vger.kernel.org Message-ID: <20040401090731.GI6923@chihiro.cern.ch> References: <406B27E4.1000106@sauce.co.nz> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <406B27E4.1000106@sauce.co.nz> To: linux-raid@vger.kernel.org List-Id: linux-raid.ids * Richard Scobie (richard@sauce.co.nz) [20040401 08:19]: > 3ware hardware RAID 10: Reads - 92.8MB/s Writes - 88.9MB/s > Software RAID 10: Reads - 53.7MB/s Writes - 94.9 MB/s > If anyone is running similar hardware and is able to get better > software RAID performance, I would be very interested to hear > the parameters. I've tested some configurations with 128 GiB streams (iozone) on a dual Xeon 2.4GHz 2G RAM machine (running XFS). 3ware HW-RAID1, Linux SW-RAID0: read 263 MiB/s, write 157 MiB/s 3ware HW-RAID5, Linux SW-RAID0: read 243 MiB/s, write 135 MiB/s Linux SW-RAID5: read 225 MiB/s, write 135 MiB/s 3ware HW-RAID10: read 119 MiB/s, write 91 MiB/s Peter --=20 .+'''+. .+'''+. .+'''+. .+'''+. .+'= ' Kelemen P=E9ter / \ / \ Peter.Kelemen@cern.c= h =2E+' `+...+' `+...+' `+...+' `+...+' - To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html