From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from static.68.134.40.188.clients.your-server.de ([188.40.134.68]:35838 "EHLO mail02.iobjects.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933313AbbIVNxG (ORCPT ); Tue, 22 Sep 2015 09:53:06 -0400 Subject: Re: problem with long running btrfs mount operation To: "S. Fricke" , linux-btrfs@vger.kernel.org References: <20150922133813.GA14395@sfserver> From: =?UTF-8?Q?Holger_Hoffst=c3=a4tte?= Message-ID: <56015D3F.8020406@googlemail.com> Date: Tue, 22 Sep 2015 15:53:03 +0200 MIME-Version: 1.0 In-Reply-To: <20150922133813.GA14395@sfserver> Content-Type: text/plain; charset=utf-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 09/22/15 15:38, S. Fricke wrote: > I have a problem with one of my btrfs hdds. If I mount it, it needs more than > 135 minutes for this operation. After the mounting it works normaly. This is > reproducible only with this hdd. > > Maybe someone has a clue what is going wrong here. On remount it tries to continue a previously started balance, which fails with an error (as can be seen at the end of your log). You should: a) immediately stop what you're doing on that fs and unmount it b) get btrfs-progs-4.2.1 (not 4.2) and see what it says Depending on the outcome of b) you can use -o skip_balance on the next mount. -h