From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Turmel Subject: Re: no good deed goes unpunished... Date: Tue, 31 Mar 2015 17:54:34 -0400 Message-ID: <551B179A.6020008@turmel.org> References: <20150327103301.16746hhb6t1sroel@webmail.uniserve.com> <20150327173709.19022q59t5hxh4tx@webmail.uniserve.com> <5515FC86.7030402@fnarfbargle.com> <20150331144155.14405dy3bqxotw9v@webmail.uniserve.com> <551B1717.2090809@turmel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <551B1717.2090809@turmel.org> Sender: linux-raid-owner@vger.kernel.org To: Dave Stevens , Brad Campbell Cc: Roger Heflin , linux-raid List-Id: linux-raid.ids On 03/31/2015 05:52 PM, Phil Turmel wrote: > On 03/31/2015 05:41 PM, Dave Stevens wrote: >> Quoting Brad Campbell : >> >>> md12 has claimed sda2 and md10 has sdb&c. Try this >>> >>> mdadm --stop /dev/md12 >>> mdadm --stop /dev/md10 >>> mdadm --assemble --force /dev/md13 /dev/sd[abc]2 >> >> I owe you a beer, Brad! Now I only have to mount the LVM partition, >> retrieve the Xen domains and rejig the management tools so I can do a >> meaningful backup and restore but this is the bit I couldn't get my head >> around. > > If you did this with those three disks, you are likely to have random > data corruption from the older mirror. If so, stop and re-assemble with > just the last good disks. Let me clarify: you only had *two* working disks for a month or so before the array finally died. Only assemble those two. Phil