From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liam Kurmos Subject: mdadm raid1 read performance Date: Wed, 4 May 2011 01:07:45 +0100 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org Cc: neilb@suse.de List-Id: linux-raid.ids Hi, I've been testing mdadm (great piece of software btw) however all my test show that reading from raid1 is only the same speed as reading from a single drive. Is this a known issue? or is there something seriously wrong with my system? i have tried v2.8.1 and v.3.2.1 without difference and several benchmarking methods. best regards, Liam