From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp02.belwue.de ([129.143.71.87]:65516 "EHLO smtp02.belwue.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750880AbdHaGtS (ORCPT ); Thu, 31 Aug 2017 02:49:18 -0400 Received: from fex.rus.uni-stuttgart.de (fex.rus.uni-stuttgart.de [129.69.1.129]) by smtp02.belwue.de (Postfix) with SMTP id 8ACF68834 for ; Thu, 31 Aug 2017 08:49:16 +0200 (MEST) Date: Thu, 31 Aug 2017 08:49:16 +0200 From: Ulli Horlacher To: Linux fs Btrfs Subject: Re: number of subvolumes Message-ID: <20170831064916.GA5783@rus.uni-stuttgart.de> References: <20170822214531.44538589@natsu> <20170822165725.GL14804@rus.uni-stuttgart.de> <20170822180155.GM14804@rus.uni-stuttgart.de> <22940.31139.194399.982315@tree.ty.sabi.co.uk> <20170822204811.GO14804@rus.uni-stuttgart.de> <20170823071821.GA28319@rus.uni-stuttgart.de> <22943.4266.793339.528061@tree.ty.sabi.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <22943.4266.793339.528061@tree.ty.sabi.co.uk> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Thu 2017-08-24 (18:45), Peter Grandi wrote: > As usual with Btrfs, there are corner cases to avoid: 'defrag' > should be done before 'balance' Good hint. So far I did it the other way: balance before defrag. I will switch. > and with compression switched off I have filesystems with compress mount option: framstag@fex:~: grep /local /etc/fstab LABEL=local /local btrfs defaults,compress,user_subvol_rm_allowed 0 2 and a weekly cronjob, which does a defrag and balance. I cannot disable compression. Any hint here? > I prefer dump-and-reload. What do you mean by this? -- Ullrich Horlacher Server und Virtualisierung Rechenzentrum TIK Universitaet Stuttgart E-Mail: horlacher@tik.uni-stuttgart.de Allmandring 30a Tel: ++49-711-68565868 70569 Stuttgart (Germany) WWW: http://www.tik.uni-stuttgart.de/ REF:<22943.4266.793339.528061@tree.ty.sabi.co.uk>