From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brad Campbell Subject: Re: PULL REQUEST - serious md/RAID10 bug in 3.1 when activating a hot-spare. Date: Mon, 31 Oct 2011 13:34:10 +0800 Message-ID: <4EAE3352.8090409@fnarfbargle.com> References: <20111031130859.121d5620@notabene.brown> <4EAE2C62.3030506@fnarfbargle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4EAE2C62.3030506@fnarfbargle.com> Sender: linux-raid-owner@vger.kernel.org To: NeilBrown Cc: linux RAID List-Id: linux-raid.ids On 31/10/11 13:04, Brad Campbell wrote: > On 31/10/11 10:08, NeilBrown wrote: >> >> Hi Linus et al, >> >> I just discovered a fairly serious flaw that I introduced into 3.1 - >> details >> below. >> >> Anyone running RAID10 with 3.1 is advised to either apply this patch or >> revert an earlier kernel as soon as possible. In the mean time, remove >> any >> hot spares from an RAID10 array. >> > > G'day Neil, > > Is that the issue I bumped up against here? > > http://permalink.gmane.org/gmane.linux.raid/35805 After looking closer I can confirm that making the indicated change resolves this problem. Regards, Brad