From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q3QMXhVW102354 for ; Thu, 26 Apr 2012 17:33:44 -0500 Received: from smtp.sauce.co.nz (smtp.sauce.co.nz [210.48.49.72]) by cuda.sgi.com with ESMTP id DMylnXvsTUaIOWZP (version=TLSv1 cipher=AES256-SHA bits=256 verify=NO) for ; Thu, 26 Apr 2012 15:33:41 -0700 (PDT) Message-ID: <4F99CD43.5070306@sauce.co.nz> Date: Fri, 27 Apr 2012 10:33:39 +1200 From: Richard Scobie MIME-Version: 1.0 Subject: Re: A little RAID experiment List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: stefanrin@gmail.com Cc: xfs@oss.sgi.com I know you were interested in hardware RAID controllers, but out of curiosity, this is the result on a 16 x 1TB SATA linux md software RAID6 array. Formatted xfs, with external journal on an independent SATA device, mounted delaylog,inode64,logbsize=256k,logdev=/dev/md0,noatime,pquota. Operations performed: 0 Read, 26065 Write, 0 Other = 26065 Total Read 0b Written 203.63Mb Total transferred 203.63Mb (13.575Mb/sec) 1737.65 Requests/sec executed Filesystem is 44% full, kernel 2.6.39.2. xfs_bmap test_file.0 test_file.0: 0: [0..8388607]: 9565100544..9573489151 1: [8388608..16777215]: 9578354176..9586742783 Regards, Richard _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs