From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Sinno Subject: Re: RAID6 won't reassemble after disk controller failure Date: Wed, 25 Mar 2015 11:43:23 -0400 Message-ID: <5512D79B.704@sinno.net> References: <5512D21E.1010506@sinno.net> <5512D3AA.5000003@sinno.net> 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: Mikael Abrahamsson Cc: linux-raid@vger.kernel.org, "Vaughan, Garrison (GSFC-606.2)[INTERNATIONAL TECHNOLOGY COALITION, INC]" List-Id: linux-raid.ids Mikael Abrahamsson wrote: > Ok, next thing to recommend would be to get the latest mdadm from Niels > git repo and try with that one. I know some who have fixed similar > problems to yours by doing this. > > "git clone git://neil.brown.name/mdadm mdadm" and compile that and see > if --assemble --force works. > That constitutes a huge step forward. Was able to assemble the array with all 12 drives using this binary! Thanks so much!!! However, after stopping and re-assembling the array, using the 'stock' CentOS version, it yields this complaint unless '--force' is also used. I'm inclined to believe I should simply fail /dev/sdbt and move on, yes? [root@dsfs01 ~/mdadm]./mdadm -A /dev/md10 mdadm: ignoring /dev/sdbk as it reports /dev/sdbt as failed mdadm: ignoring /dev/sdbl as it reports /dev/sdbt as failed mdadm: ignoring /dev/sdbm as it reports /dev/sdbt as failed mdadm: /dev/md10 assembled from 9 drives - not enough to start the array. [root@dsfs01 ~/mdadm]mdadm [root@dsfs01 ~/mdadm]./mdadm -A --force /dev/md10 mdadm: /dev/md10 has been started with 12 drives. [root@dsfs01 ~/mdadm]mdadm -S /dev/md10 mdadm: stopped /dev/md10 [root@dsfs01 ~/mdadm]mdadm -A /dev/md10 mdadm: ignoring /dev/sdbk as it reports /dev/sdbt as failed mdadm: ignoring /dev/sdbl as it reports /dev/sdbt as failed mdadm: ignoring /dev/sdbm as it reports /dev/sdbt as failed mdadm: /dev/md10 assembled from 9 drives - not enough to start the array. [root@dsfs01 ~/mdadm]mdadm -A --force /dev/md10 mdadm: /dev/md10 has been started with 12 drives.