From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Landman Subject: Re: 20 drive raid-10, CentOS5.5, after reboot assemble fails - all drives "non-fresh" Date: Mon, 08 Aug 2011 12:17:48 -0400 Message-ID: <4E400C2C.8010402@gmail.com> References: <4E3F4BD0.5060807@aeoncomputing.com> <20110808125608.7ceeaa02@notabene.brown> <4E3F66F2.3030300@aeoncomputing.com> <4E3F68CB.4060005@gmail.com> <4E3F6C07.8040106@aeoncomputing.com> <4E3F6E4D.1010502@gmail.com> <4E3F7A49.9000803@aeoncomputing.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4E3F7A49.9000803@aeoncomputing.com> Sender: linux-raid-owner@vger.kernel.org To: Jeff Johnson Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 08/08/2011 01:55 AM, Jeff Johnson wrote: > Joe / et-al, > > The '--assemble --update=uuid' appears to have done the trick. It is > weird because the uuid in the config file matched the uuid of the raid > volume shown with 'mdadm -D /dev/md3' and the uuid on each of the drives > shown with 'mdadm -E /dev/sdc1' Interesting. > > The '--update=summaries' did not work. Assigning a new random uuid > appears to have repaired whatever bit in the superblock was mucked up. > > Strange... > > Joe, thanks for your help. Find me at SC11, I'm buying you beers. > :) see you there -- Joseph Landman, Ph.D Founder and CEO Scalable Informatics Inc. email: landman@scalableinformatics.com web : http://scalableinformatics.com http://scalableinformatics.com/sicluster phone: +1 734 786 8423 x121 fax : +1 866 888 3112 cell : +1 734 612 4615