From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vk0-f44.google.com ([209.85.213.44]:35425 "EHLO mail-vk0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752199AbbH0Rnv (ORCPT ); Thu, 27 Aug 2015 13:43:51 -0400 Received: by vkfi73 with SMTP id i73so12906164vkf.2 for ; Thu, 27 Aug 2015 10:43:50 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: Date: Thu, 27 Aug 2015 11:43:50 -0600 Message-ID: Subject: Re: Meta data full on a Readynas From: Chris Murphy To: Chris Murphy Cc: Mike Aubury , Btrfs BTRFS Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Thu, Aug 27, 2015 at 11:41 AM, Chris Murphy wrote: > On Thu, Aug 27, 2015 at 11:33 AM, Mike Aubury wrote: >> # btrfs dev scan >> Scanning for Btrfs filesystems >> >> (back to # prompt) >> >> >> # mount -o ro,degraded /data >> >> >> Seems to work, /data is mounted >> >> # btrfs fi show >> Label: '0e36d290:data' uuid: e75a9856-d9e5-4d02-92e6-a217056c69b7 >> Total devices 4 FS bytes used 6.09TiB >> devid 1 size 2.71TiB used 2.71TiB path /dev/md127 >> devid 2 size 1.82TiB used 1.82TiB path /dev/md126 >> devid 3 size 1.82TiB used 1.82TiB path /dev/md125 >> *** Some devices missing >> >> >> Where next ? Well now at least you can suck the data off the volume... If you can't figure out why the loop back mount device continues to be missing, you might as well just take advantage of the fact you've got it ro mounted and get everything off the volume in preparation to wipe it and start over. -- Chris Murphy