From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Turmel Subject: Re: assistance recovering failed raid6 array Date: Mon, 20 Feb 2017 10:39:16 -0500 Message-ID: References: <58AA4B1E.1030809@bosner.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <58AA4B1E.1030809@bosner.de> Sender: linux-raid-owner@vger.kernel.org To: Martin Bosner , linux-raid@vger.kernel.org List-Id: linux-raid.ids On 02/19/2017 08:49 PM, Martin Bosner wrote: > I am running a software raid6 with 36 x 3TB disks (sda to sdaj). All > disks have one partition (gpt, 100%, primary, raid on) and i am using > btrfs on top of the raid. > > Last week one of the disks failed and was unrecoverable. I replaced the > disk (sdk) with a new one and the resync process started. > At around 80% recovery two further disks failed and the recovery process > was stopped. That failed disks are sdm and sdh. > > All other disks seem to be fine and I was about the use the "mdadm > --create" command when i remembered the lines > "You have been warned! It's better to send an email to the linux-raid > mailing list with detailed information" > > So here i am for an advice how to continue. More information, please. Paste inline, untrimmed, in your reply with line wrapping disabled. Plain text only. Use multiple mails if needed. List limit is ~100k IIRC. # dmesg # for x in /dev/sd[a-z] /dev/sda[a-j] ; do echo mdadm -E ${x}1 ; smartctl -iA -l scterc $x ; done Phil