From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ming Zhang Subject: Re: RAID-5 streaming read performance Date: Thu, 14 Jul 2005 14:10:16 -0400 Message-ID: <1121364617.5544.83.camel@localhost.localdomain> References: <874qb14btr.fsf@uwo.ca> <1121220487.5552.34.camel@localhost.localdomain> <87mzorfmdx.fsf@uwo.ca> <1121257494.5504.4.camel@localhost.localdomain> <87eka2g9dp.fsf@uwo.ca> <1121259126.5504.14.camel@localhost.localdomain> <87vf3eeqe2.fsf@uwo.ca> <42D5573A.6090801@dgreaves.com> <87r7e23uo5.fsf@uwo.ca> <1121344255.5544.7.camel@localhost.localdomain> <87br55xogl.fsf@uwo.ca> <1121364003.5544.80.camel@localhost.localdomain> Reply-To: mingz@ele.uri.edu Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Dan Christensen Cc: Linux RAID List-Id: linux-raid.ids On Thu, 2005-07-14 at 14:03 -0400, Dan Christensen wrote: > [Ming, could you trim quoted material down a bit more, and leave a > blank line between quoted material and your new text? Thanks.] thanks. sorry about that. > > Ming Zhang writes: > > > On Thu, 2005-07-14 at 13:54 -0400, Dan Christensen wrote: > >> > > agree. but what if your controller is a bottleneck? u need to have > > another card to find out. > > The controller and/or bus *is* the bottleneck, but I've already shown > that I can get 106MB/s through them. > > Dan then can u test RAID0 a bit? That is easier to analyze. Ming