From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail02.iobjects.de ([188.40.134.68]:51203 "EHLO mail02.iobjects.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752956AbcCDSJm (ORCPT ); Fri, 4 Mar 2016 13:09:42 -0500 Subject: Re: balance hangs and starts again on reboot To: Marc Haber , linux-btrfs@vger.kernel.org References: <20160304173125.GA1902@torres.zugschlus.de> From: =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= Message-ID: <56D9CF63.3060603@googlemail.com> Date: Fri, 4 Mar 2016 19:09:39 +0100 MIME-Version: 1.0 In-Reply-To: <20160304173125.GA1902@torres.zugschlus.de> Content-Type: text/plain; charset=utf-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 03/04/16 18:31, Marc Haber wrote: > I have another btrfs on the same host that has no the no space left on > device balance issue, but on another disk. On this btrfs, it seems > like a balance process is stuck, with a lot of hanging kernel > threads. After a reboot, when I mount the filesystem, the balance > immediately starts again. btrfs balance cancel just hangs around with > no visible reaction for hours. > > Log appended. Is there rescue? Can't offer much help other than to recommend to *always* mount with -o skip_balance, which IMHO should have been the default behaviour from the beginning. Then try to balance in small increments. -h