From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marco Subject: Re: raid1 performance Date: Wed, 28 Jul 2010 12:10:28 +0000 (GMT) Message-ID: <154057.96452.qm@web28515.mail.ukl.yahoo.com> References: <443220.14357.qm@web28508.mail.ukl.yahoo.com> <20100725211926.7547c12e@natsu> <23123.42111.qm@web28503.mail.ukl.yahoo.com> <20100726210324.6a4077e6@notabene> <379853.84515.qm@web28502.mail.ukl.yahoo.com> <20100728082358.4abc6868@notabene> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: <20100728082358.4abc6868@notabene> Sender: linux-raid-owner@vger.kernel.org To: Neil Brown Cc: Roman Mamedov , linux-raid@vger.kernel.org List-Id: linux-raid.ids > No, the first field is the major device number, and the third is the device > name .... > so I guess we are taking the same ratio, but you start counting at a > different place to me. yes you are right, i started counting after the device name :-) Sorry for the confusion > No. It might be worth exploring why the request sizes are different - I > don't know if it will lead anywhere useful though. Have someone else ever had a similar issue ? In the meanwhile i will do some more test, trying to play with blockdevice related parameters... Do you think that having the root partition mounted over /dev/md2 can influence the test results ? Marco