From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Wilck Subject: Re: mdadm 3.3 fails to kick out non fresh disk Date: Mon, 16 Sep 2013 19:04:25 +0200 Message-ID: <52373A19.7000105@arcor.de> References: <20130914064305.0baadc69@notabene.brown> <20130914203800.385466b2@notabene.brown> <5234CA6A.3070305@arcor.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Francis Moreau Cc: linux-raid List-Id: linux-raid.ids On 09/16/2013 03:56 PM, Francis Moreau wrote: > I did give your patch "DDF: compare_super_ddf: fix sequence number > check" a try and now mdadm is able to detect a difference between the > 2 disks. Therefore it refuses to insert the second disk which is > better. > > However it's still not able to detect which version is the "fresher" > like mdadm does with soft RAID1 (metadata 1.2). Therefore mdadm is not > able to kick out the first disk if it's the outdated one. > > Is that expected ? At the moment, yes. This needs work. Martin