From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Turmel Subject: Re: md prefered minor has been renumbered Date: Mon, 28 Nov 2016 17:12:39 -0500 Message-ID: References: <91b64061-6026-c738-75a6-8d80a177aec8@turmel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: "Randall C. Grimshaw" , "linux-raid@vger.kernel.org" List-Id: linux-raid.ids On 11/28/2016 03:34 PM, Randall C. Grimshaw wrote: > Phil: > Thank you for responding, it is much appreciated. > This is a recently assigned system so I must apologize for not having all of the history re fstab. > But when I try to boot into the 'normal' system it continues to use the new numbering, the mounts fail, (the duplicate md122 obviously fails), and the system panics. > I suspect the answer will have something to do with the command I googled: mdadm -A --update=superminor /dev/mdNEWNUMBER /dev/sd... > .. but I have zero experience with it. > Randall Use 'blkid' to find out the UUIDs of your filesystems. Replace /dev/mdX in your fstab with UUID="......" then "mount -av" Then you don't care what number shows up, and can resolve it at your leisure. Whatever mdadm.conf you end up with, run your distro's utility to get it into your initramfs. On ubuntu, it is "update-initramfs". Phil