From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Steven Ellis" Subject: Re: Can't resolve mismatch_count > 0 for a raid 1 array Date: Thu, 9 Apr 2009 12:07:59 +1200 (NZST) Message-ID: <43631.60.234.49.2.1239235679.squirrel@webmail.stevencherie.net> References: <87d4bmg6j5.fsf@frosties.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: In-Reply-To: <87d4bmg6j5.fsf@frosties.localdomain> Sender: linux-raid-owner@vger.kernel.org To: Linux RAID List-Id: linux-raid.ids On Thu, April 9, 2009 9:49 am, Goswin von Brederlow wrote: > Steven Ellis writes: > >> I've resolved most of my raid issues by re-housing the affected system >> and replacing the motherboard, but across the 3 boards I've tried I >> always have an issue with my /dev/md1 array producing mismatch_count >> of 128 or 256. >> >> System is running Centos 5.2 with a Xen Dom0 kernel >> >> This md1 volume is a pair of 40GB HDs raid1 on an IDE controller which >> I them have a bunch of LVM's that are my Xen guests. >> >> Is there any chance that these mismatch_count values are due to swap >> partitions for the Xen guests? >> >> Steve > > Have you repaired the raid or do you just check and check and check? > Yes I've repaired the raid several times. Then when I put the Xen guests under load and re-run check the errors re-appear. -------------------------------------------- Steven Ellis - Technical Director OpenMedia Limited - The Home of myPVR email - steven@openmedia.co.nz website - http://www.openmedia.co.nz