From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Breidenbach Subject: does chunksize matter in raid-1? Date: Sat, 6 Aug 2005 00:07:48 -0400 Message-ID: Reply-To: jeff@jab.org Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Content-Disposition: inline Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org List-Id: linux-raid.ids Does chunk size matter *at all* for RAID-1? mdadm --create /dev/md0 --level=1 --chunk=8 /dev/sdc1 /dev/sdd1 mdadm --create /dev/md0 --level=1 --chunk=128 /dev/sdc1 /dev/sdd1 In my mental model of how RAID works, it can't possibly matter what my chunk size is whether I've got 1KB files or 1GB files because no striped reading occurs. Is my mental model wrong? -Jeff