From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-yw0-f181.google.com ([209.85.161.181]:34705 "EHLO mail-yw0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937048AbdD0PS3 (ORCPT ); Thu, 27 Apr 2017 11:18:29 -0400 Received: by mail-yw0-f181.google.com with SMTP id k11so17212027ywb.1 for ; Thu, 27 Apr 2017 08:18:24 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20170427190751.2dc0e7ac@natsu> References: <20170427190751.2dc0e7ac@natsu> From: Gerard Saraber Date: Thu, 27 Apr 2017 10:18:22 -0500 Message-ID: Subject: Re: No space left on device when doing "mkdir" To: Roman Mamedov Cc: linux-btrfs@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: no snapshots and no qgroups, just a straight up large volume. shrapnel gerard-store # btrfs fi df /home/exports Data, RAID1: total=20.93TiB, used=20.86TiB System, RAID1: total=32.00MiB, used=3.73MiB Metadata, RAID1: total=79.00GiB, used=61.10GiB GlobalReserve, single: total=512.00MiB, used=544.00KiB shrapnel gerard-store # btrfs filesystem usage /home/exports Overall: Device size: 69.13TiB Device allocated: 42.01TiB Device unallocated: 27.13TiB Device missing: 0.00B Used: 41.84TiB Free (estimated): 13.63TiB (min: 13.63TiB) Data ratio: 2.00 Metadata ratio: 2.00 Global reserve: 512.00MiB (used: 1.52MiB) On Thu, Apr 27, 2017 at 9:07 AM, Roman Mamedov wrote: > On Thu, 27 Apr 2017 08:52:30 -0500 > Gerard Saraber wrote: > >> I could just reboot the system and be fine for a week or so, but is >> there any way to diagnose this? > > `btrfs fi df` for a start. > > Also obligatory questions: do you have a lot of snapshots, and do you use > qgroups? > > -- > With respect, > Roman