From mboxrd@z Thu Jan 1 00:00:00 1970 From: Richard Scobie Subject: Re: Without tweaking , Date: Thu, 27 Sep 2007 07:52:57 +1200 Message-ID: <46FAB899.6050201@sauce.co.nz> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: linux-raid maillist List-Id: linux-raid.ids Justin Piszcz wrote: > For raptors, they are inheriently known for their poor speed when NCQ is > enabled, I see 20-30MiB/s better performance with NCQ off. Hi Justin, Have you tested this for multiple reader/writers? Regards, Richard