From mboxrd@z Thu Jan 1 00:00:00 1970 From: Reindl Harald Subject: Re: can't add a larger spare for a failed smaller disk Date: Sun, 25 Jun 2017 01:23:41 +0200 Message-ID: <6bf63a01-ffe8-6653-437f-85bc2ed502d8@thelounge.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Language: de-CH Sender: linux-raid-owner@vger.kernel.org To: Hubert Reevez , linux-raid@vger.kernel.org List-Id: linux-raid.ids Am 25.06.2017 um 00:21 schrieb Hubert Reevez: > I'm trying to add a larger spare in replacement to a smaller one. I'm > really stuck here.... ;( > > Here is what I did : --fail /dev/sdc then --remove /dev/sdc > > Added the new one (which is also sdc now) can't assemble the new one ! > > If I try to assemble here is what it comes : > --------------------------------------------------------- > root@Zetta:~# mdadm --assemble /dev/md0 --verbose /dev/sdc > mdadm: looking for devices for /dev/md0 > mdadm: /dev/sdc is busy - skipping > ------------------------------------------------------- in all cases where i replaced mdadm drives i used "mdadm /dev/md0 --add /dev/sdc" and never --assemble