From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f174.google.com ([209.85.220.174]:36206 "EHLO mail-qk0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932340AbcIBT42 (ORCPT ); Fri, 2 Sep 2016 15:56:28 -0400 Received: by mail-qk0-f174.google.com with SMTP id l2so131370387qkf.3 for ; Fri, 02 Sep 2016 12:56:28 -0700 (PDT) Message-ID: <1472846181.13263.2.camel@gmail.com> Subject: Re: BTRFS constantly reports "No space left on device" even with a huge unallocated space From: Ronan Arraes Jardim Chagas To: Jeff Mahoney , Chris Murphy , "Austin S. Hemmelgarn" Cc: Wang Xiaoguang , Btrfs BTRFS , Qu Wenruo Date: Fri, 02 Sep 2016 16:56:21 -0300 In-Reply-To: <506f2875-8cea-2d99-3664-52ee546adcfd@suse.com> References: <1471023419.16857.9.camel@gmail.com> <1472676550.8145.1.camel@gmail.com> <52290114-3b37-2de5-9c9f-ceda6dff955b@suse.com> <1472734635.3137.4.camel@gmail.com> <0778dff0-cb43-d279-adb2-0e314b61110d@gmail.com> <1472747695.3137.7.camel@gmail.com> <1472827395.3713.6.camel@gmail.com> <9dee919a-0e81-5ba7-ddc6-7dcdb3a6b873@suse.com> <1472829630.3713.8.camel@gmail.com> <506f2875-8cea-2d99-3664-52ee546adcfd@suse.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi again guys! After I rebooted the computer, I still can't run balance on metatada: btrfs balance start -musage=1 / ERROR: error during balancing '/': No space left on device There may be more info in syslog - try dmesg | tail dmesg shows: [ 2022.530285] BTRFS info (device sda6): relocating block group 128509280256 flags 36 [ 2023.355206] BTRFS info (device sda6): relocating block group 127972409344 flags 36 [ 2024.265313] BTRFS info (device sda6): relocating block group 127435538432 flags 36 [ 2025.646712] BTRFS info (device sda6): relocating block group 126898667520 flags 36 [ 2026.794791] BTRFS info (device sda6): relocating block group 126361796608 flags 36 [ 2028.023517] BTRFS info (device sda6): relocating block group 125824925696 flags 36 [ 2028.881287] BTRFS info (device sda6): relocating block group 125288054784 flags 36 [ 2029.739342] BTRFS info (device sda6): relocating block group 124751183872 flags 36 [ 2030.631990] BTRFS info (device sda6): relocating block group 124214312960 flags 36 [ 2031.523176] BTRFS info (device sda6): relocating block group 123677442048 flags 36 [ 2032.407859] BTRFS info (device sda6): relocating block group 123140571136 flags 36 [ 2033.806672] BTRFS info (device sda6): relocating block group 122603700224 flags 36 [ 2035.237712] BTRFS info (device sda6): relocating block group 122066829312 flags 36 [ 2038.257268] BTRFS info (device sda6): relocating block group 122033274880 flags 34 [ 2039.911443] BTRFS info (device sda6): relocating block group 121496403968 flags 36 [ 2040.958106] BTRFS info (device sda6): relocating block group 120959533056 flags 36 [ 2041.841051] BTRFS info (device sda6): relocating block group 120422662144 flags 36 [ 2042.828359] BTRFS info (device sda6): relocating block group 119885791232 flags 36 [ 2044.297744] BTRFS info (device sda6): relocating block group 119348920320 flags 36 [ 2045.684932] BTRFS info (device sda6): relocating block group 118812049408 flags 36 [ 2046.761787] BTRFS info (device sda6): relocating block group 118275178496 flags 36 [ 2048.200756] BTRFS info (device sda6): relocating block group 117738307584 flags 36 [ 2049.806986] BTRFS info (device sda6): relocating block group 117201436672 flags 36 [ 2051.170470] BTRFS info (device sda6): relocating block group 116664565760 flags 36 [ 2051.910536] BTRFS info (device sda6): relocating block group 116127694848 flags 36 [ 2052.678395] BTRFS info (device sda6): relocating block group 115590823936 flags 36 [ 2053.737959] BTRFS info (device sda6): relocating block group 106363355136 flags 36 [ 2054.852065] BTRFS info (device sda6): relocating block group 105826484224 flags 36 [ 2055.911187] BTRFS info (device sda6): relocating block group 105222504448 flags 36 [ 2057.047407] BTRFS info (device sda6): 4 enospc errors during balance and I have: btrfs fi usage / Overall:     Device size:    1.26TiB     Device allocated:   80.07GiB     Device unallocated:    1.18TiB     Device missing:      0.00B     Used:   41.95GiB     Free (estimated):    1.18TiB (min: 603.95GiB)     Data ratio:       1.00     Metadata ratio:       2.00     Global reserve:  352.00MiB (used: 576.00KiB) Data,single: Size:40.01GiB, Used:39.95GiB    /dev/sda6   40.01GiB Metadata,DUP: Size:20.00GiB, Used:1.00GiB    /dev/sda6   40.00GiB System,DUP: Size:32.00MiB, Used:16.00KiB    /dev/sda6   64.00MiB Unallocated:    /dev/sda6    1.18TiB Hope this brings new information! Best regards, Ronan Arraes