From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Brown Subject: Re: conflicting superblocks - Re: what is the best approach for fixing a degraded RAID5 (one drive failed) using mdadm? Date: Tue, 12 Jun 2007 14:51:33 +1000 Message-ID: <18030.9813.5683.133889@notabene.brown> References: <466D4F51.40009@musicpictures.com> <466E24B6.6070505@musicpictures.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: message from simon redfern on Tuesday June 12 Sender: linux-raid-owner@vger.kernel.org To: simon redfern Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Tuesday June 12, simon@musicpictures.com wrote: > > > Can anyone please advise which commands we should use to get the array > back to at least a read only state? mdadm --assemble /dev/md0 /dev/sd[abcd]2 and let mdadm figure it out. It is good at that. If the above doesn't work, add "--force", but be aware that there is some possibility of hidden data corruption. At least a "fsck" would be advised. NeilBrown