From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Turmel Subject: Re: RAID 5 3-drive array failed 2 disks at once - can anything be saved? Date: Thu, 19 Sep 2013 01:35:43 -0400 Message-ID: <523A8D2F.1050900@turmel.org> References: <52332763.30901@schultzfamily.ca> <52347194.7010602@turmel.org> <52361B98.9030705@schultzfamily.ca> <52365AE8.5010807@turmel.org> <523A619F.90302@schultzfamily.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <523A619F.90302@schultzfamily.ca> Sender: linux-raid-owner@vger.kernel.org To: Robert Schultz Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On 09/18/2013 10:29 PM, Robert Schultz wrote: > That all worked beautifully. Right up until I left the BackupPC running > against a RAID array with a bad disk. > > It failed again after about 30 hours. The symptoms are the same. > Ah, well. "Smart" can't catch everything. Do consider that you might have some other hardware problem, though. Power supply, data cable, etc. > I think I need to bring the array back up but leave that disk offline with: > > mdadm --assemble --force /dev/md0 /dev/sdb /dev/sdc > > (sdd is the bad drive) > > Then follow the remainder of the steps to check. Don't bother with another check run. It is only meaningfull if you have all three drives. > I have a new disk on the way. I would then add this new disk into the > array and sync. Yes. > Does that sound correct? Yes. Phil