From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from vandusen.herrbischoff.com ([148.251.66.209]:49606 "EHLO vandusen.herrbischoff.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753559AbbIYWOu (ORCPT ); Fri, 25 Sep 2015 18:14:50 -0400 Received: from port-90030.pppoe.wtnet.de ([84.46.64.31] helo=localhost) by vandusen.herrbischoff.com with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.82) (envelope-from ) id 1ZfaoK-0005JU-Uc for linux-btrfs@vger.kernel.org; Fri, 25 Sep 2015 23:45:45 +0200 Date: Fri, 25 Sep 2015 23:45:44 +0200 From: Marcel Bischoff To: linux-btrfs@vger.kernel.org Subject: Too many missing devices, writeable mount is not allowed Message-ID: <20150925214544.GB4639@herrbischoff.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hello all, I have kind of a serious problem with one of my disks. The controller of one of my external drives died (WD Studio). The disk is alright though. I cracked open the case, got the drive out and connected it via a SATA-USB interface. Now, mounting the filesystem is not possible. Here's the message: $ btrfs fi show warning devid 3 not found already Label: none uuid: bd6090df-5179-490e-a5f8-8fbad433657f Total devices 3 FS bytes used 3.02TiB devid 1 size 596.17GiB used 532.03GiB path /dev/sdd devid 2 size 931.51GiB used 867.03GiB path /dev/sde *** Some devices missing Yes, I did bundle up three drives with very different sizes with the --single option on creating the file system. I have already asked for help on StackExchange but replies have been few. Now I thought people on this list, close to btrfs development may be able and willing to help. This would be so much appreciated. Here's the issue with lots of information and a record of what I/we have tried up until now: http://unix.stackexchange.com/questions/231174/btrfs-too-many-missing-devices-writeable-mount-is-not-allowed Thanks for your time and consideration! Best, Marcel