From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lj1-f169.google.com ([209.85.208.169]:45123 "EHLO mail-lj1-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726181AbeH1Ri7 (ORCPT ); Tue, 28 Aug 2018 13:38:59 -0400 Received: by mail-lj1-f169.google.com with SMTP id u83-v6so1451055lje.12 for ; Tue, 28 Aug 2018 06:47:13 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: Chris Murphy Date: Tue, 28 Aug 2018 07:47:12 -0600 Message-ID: Subject: Re: 14Gb of space lost after distro upgrade on BTFS root partition (long thread with logs) To: Menion Cc: Btrfs BTRFS Content-Type: text/plain; charset="UTF-8" Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Tue, Aug 28, 2018 at 3:34 AM, Menion wrote: > Hi all > I have run a distro upgrade on my Ubuntu 16.04 that runs ppa kernel > 4.17.2 with btrfsprogs 4.17.0 > The root filesystem is BTRFS single created by the Ubuntu Xenial > installer (so on kernel 4.4.0) on an internal mmc, located in > /dev/mmcblk0p3 > After the upgrade I have cleaned apt cache and checked the free space, > the results were odd, following some checks (shrinked), followed by > more comments: Do you know if you're using Timeshift? I'm not sure if it's enabled by default on Ubuntu when using Btrfs, but you may have snapshots. 'sudo btrfs sub list -at /' That should show all subvolumes (includes snapshots). > [48479.254106] BTRFS info (device mmcblk0p3): 17 enospc errors during balance Probably soft enospc errors it was able to work around. -- Chris Murphy