From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out.rrz.uni-koeln.de ([134.95.19.53]:58782 "EHLO smtp-out.rrz.uni-koeln.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751682AbbJaU4Q (ORCPT ); Sat, 31 Oct 2015 16:56:16 -0400 Received: from smtp-auth.rrz.uni-koeln.de (smtp-auth.rrz.uni-koeln.de [134.95.19.93]) by smtp-out.rrz.uni-koeln.de (8.14.4/8.14.4) with ESMTP id t9VKuDfK029253 for ; Sat, 31 Oct 2015 21:56:14 +0100 Received: from linux-va3e.site ([176.0.113.210]) (authenticated as user sking using CRAM-MD5 bits=0) by smtp-auth.uni-koeln.de (8.13.8/8.13.8) with ESMTP id t9VKuBhw020971 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO) for ; Sat, 31 Oct 2015 21:56:13 +0100 Subject: Re: How to delete this snapshot, and how to succeed with balancing? To: linux-btrfs@vger.kernel.org References: <5634DD93.9050605@uni-koeln.de> <20151031164112.GF21103@carfax.org.uk> <5634FB01.9030602@uni-koeln.de> <20151031183337.GG21103@carfax.org.uk> From: Simon King Message-ID: <56352AEA.7040907@uni-koeln.de> Date: Sat, 31 Oct 2015 21:56:10 +0100 MIME-Version: 1.0 In-Reply-To: <20151031183337.GG21103@carfax.org.uk> Content-Type: text/plain; charset=windows-1252 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi! Am 31.10.2015 um 19:33 schrieb Hugo Mills: >> I combined the two, since -dlimit on its own won't work: >> >> linux-va3e:~ # btrfs balance start -dlimit=2 / >> ERROR: error during balancing '/' - No space left on device >> There may be more info in syslog - try dmesg | tail > > And this is with a filesystem that's not fully allocated? > (i.e. btrfs fi show indicates that used and total are different for > each device). If that's the case, then you may have hit a known but > unfixed bug to do with space allocation. linux-va3e:~ # btrfs fi show Label: none uuid: 656dc65f-240b-4137-a490-0175717dd7fa Total devices 1 FS bytes used 13.71GiB devid 1 size 20.00GiB used 16.88GiB path /dev/sda2 btrfs-progs v4.0+20150429 Is there a manual work-around? >> Can I do this in the running system? Or would that only be an option >> during upgrade of openSuse Harlequin to Tumbleweed/Leap? Or even worse: >> Only an option after nuking the old installation and installing a new >> one from scratch? > > You'd have to recreate the FS, so it's a matter of a reinstall, or > nuking it and restoring from your backups. OK. So, I'll try to find out whether it is better to move on to Tumbleweed or to Leap (btw, I found out that the latter is based on the 4.1 kernel). Best regards, Simon