From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:35530 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750947AbbEZS57 (ORCPT ); Tue, 26 May 2015 14:57:59 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YxK31-0004sL-42 for linux-btrfs@vger.kernel.org; Tue, 26 May 2015 20:57:55 +0200 Received: from pd953eddd.dip0.t-ipconnect.de ([217.83.237.221]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 26 May 2015 20:57:55 +0200 Received: from holger.hoffstaette by pd953eddd.dip0.t-ipconnect.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 26 May 2015 20:57:55 +0200 To: linux-btrfs@vger.kernel.org From: Holger =?iso-8859-1?q?Hoffst=E4tte?= Subject: Re: intermittent -ENOSPC errors on btrfs filesystem with 170G free Date: Tue, 26 May 2015 18:57:48 +0000 (UTC) Message-ID: References: <20150526173634.GU11340@wantstofly.org> <20150526180820.GG16826@carfax.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Tue, 26 May 2015 12:18:40 -0600, Chris Murphy wrote: > Oh yeah easy to miss, but obvious once pointed out: > >> Data, single: total=227.94GiB, used=58.16GiB > > I thought we had automatic deallocation of unused chunks but I guess > it hasn't landed yet. It did (in 3.18 IIRC), but that doesn't help with - for whatever reason - severely unbalanced chunks, i.e. all allocated but each used only a little bit. Now, how and why that happened.. -h