From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andreas Klauer <Andreas.Klauer@metamorpher.de>
Subject: Re: restore 3disk raid5 after raidpartitions have been setup with
 xfs filesystem by accident
Date: Wed, 21 Sep 2016 20:03:18 +0200
Message-ID: <20160921180318.GA6633@metamorpher.de>
References: <CAKA=zHqbFv_RQvyR4o4HPS2UrP4xrRWLiy2nR+gudDguk+JLog@mail.gmail.com>
 <CAJCQCtR4NoCebcDLD-ovT+hZY=NKRtj1cP693wHQTbmiERDAXw@mail.gmail.com>
 <CAKA=zHpgVoNA5Y6MBmB4fnG85F-z=hj4FXEiUOggsWUn3tfWXg@mail.gmail.com>
 <20160921171511.GA6381@metamorpher.de>
 <CAKA=zHq7OgZ+oVAqn7zVmBM0gSQedNk2kZ3dkuBG7V89G-G3Rg@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-raid-owner@vger.kernel.org>
Content-Disposition: inline
In-Reply-To: <CAKA=zHq7OgZ+oVAqn7zVmBM0gSQedNk2kZ3dkuBG7V89G-G3Rg@mail.gmail.com>
Sender: linux-raid-owner@vger.kernel.org
To: Simon Becks <beckssimon5@gmail.com>
Cc: Linux-RAID <linux-raid@vger.kernel.org>
List-Id: linux-raid.ids

On Wed, Sep 21, 2016 at 07:23:42PM +0200, Simon Becks wrote:
> But this disk was not in the raid for almost 2 month.

?

I'm not suggesting to use this disk. Well, not yet anyway.
It might be an option if everything else fails...

You posted this output assuming that the other disks were set up the same way, yes?
In that case overlay + mdadm --create (with the settings you showed) is what you do.

Regards
Andreas Klauer