From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f46.google.com ([209.85.160.46]:54470 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752509Ab2GWL5W (ORCPT ); Mon, 23 Jul 2012 07:57:22 -0400 Received: by pbbrp8 with SMTP id rp8so10776882pbb.19 for ; Mon, 23 Jul 2012 04:57:22 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: Date: Mon, 23 Jul 2012 05:57:21 -0600 Message-ID: Subject: Re: btrfs-convert complains that fs is mounted even if it isn't From: cwillu To: Jochen Cc: linux-btrfs@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Sun, Jul 22, 2012 at 2:51 PM, Jochen wrote: > Hi, > > I'm trying to run btrfs-convert on a system that has three raid partitions > (boot/md1, swap/md2 and root/md3). When I boot a rescue system from md1, and > try to run "btrfs-convert /dev/md3", it complains that /dev/md3 is already > mounted, although it definitely is not. The only partition mounted is > /dev/md1 because of the rescue system. When I replicate the setup in a local > VM, booting the rescue system from another disk (no /dev/md1 mounted) helps, > btrfs-convert runs. However, I cannot do this on the server. > > Is there anything I can do about this? Can you mount and cleanly umount /dev/md3 and try the convert again?