From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda3.sgi.com [192.48.176.15]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id oAQ2kI8I103211 for ; Thu, 25 Nov 2010 20:46:19 -0600 Received: from smtp3.clear.net.nz (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id C8EC41C7563E for ; Thu, 25 Nov 2010 18:47:57 -0800 (PST) Received: from smtp3.clear.net.nz (smtp3.clear.net.nz [203.97.33.64]) by cuda.sgi.com with ESMTP id BFX115EUOe0NrjAT for ; Thu, 25 Nov 2010 18:47:57 -0800 (PST) Received: from [210.246.8.244] (210-246-8-244.paradise.net.nz [210.246.8.244]) by smtp3.clear.net.nz (CLEAR Net Mail) with ESMTP id <0LCH008LX13DZJ00@smtp3.clear.net.nz> for xfs@oss.sgi.com; Fri, 26 Nov 2010 15:47:39 +1300 (NZDT) Date: Fri, 26 Nov 2010 15:43:40 +1300 From: Richard Scobie Subject: Re: Verify filesystem is aligned to stripes Message-id: <4CEF1EDC.8020005@clear.net.nz> MIME-version: 1.0 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: xfs@oss.sgi.com Stan Hoeppner wrote: > I've done no formal testing myself, but the last article I read that > tested md RAID1 performance showed marginally faster read performance > for a two disk mirror. All my testing of md RAID1 has shown write performance of one device and single threaded read performance of one device. A second, concurrent read will be directed to the second device though. Regards, Richard _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs