From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp01.belwue.de ([129.143.71.86]:44044 "EHLO smtp01.belwue.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932946AbdHVNxC (ORCPT ); Tue, 22 Aug 2017 09:53:02 -0400 Received: from fex.rus.uni-stuttgart.de (fex.rus.uni-stuttgart.de [129.69.1.129]) by smtp01.belwue.de (Postfix) with SMTP id 1E8C1293E for ; Tue, 22 Aug 2017 15:53:01 +0200 (MEST) Date: Tue, 22 Aug 2017 15:53:01 +0200 From: Ulli Horlacher To: linux-btrfs@vger.kernel.org Subject: Re: finding root filesystem of a subvolume? Message-ID: <20170822135301.GF14804@rus.uni-stuttgart.de> References: <20170822122350.GA14804@rus.uni-stuttgart.de> <20170822124036.GA32302@carfax.org.uk> <20170822125030.GB14804@rus.uni-stuttgart.de> <16778020-9167-b7cc-4768-ee33dca2bbb7@gmail.com> <20170822133030.GE14804@rus.uni-stuttgart.de> <0c35fba9-a514-31dd-a703-17f4727ed229@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <0c35fba9-a514-31dd-a703-17f4727ed229@gmail.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Tue 2017-08-22 (09:37), Austin S. Hemmelgarn wrote: > > root@fex:~# df -T /local/.backup/home > > Filesystem Type 1K-blocks Used Available Use% Mounted on > > - - 1073740800 104252160 967766336 10% /local/.backup/home > > Hmm, now I'm really confused, I just checked on the Ubuntu 17.04 and > 16.04.3 VM's I have (I only run current and the most recent LTS > version), and neither of them behave like this. I have this kind of output on all of my Ubuntu hosts: root@moep:~# grep PRETTY_NAME /etc/os-release PRETTY_NAME="Ubuntu 16.04.3 LTS" root@moep:~# df -T /usb/UF/tmp/blubb Filesystem Type 1K-blocks Used Available Use% Mounted on - - 12581888 3690524 7253700 34% /usb/UF/tmp/blubb root@moep:~# btrfs subvolume show /usb/UF/tmp/blubb /usb/UF/tmp/blubb Name: blubb UUID: ecf8c804-d4a3-9948-89fe-b0c1971c25cb Parent UUID: - Received UUID: - Creation time: 2017-08-22 12:54:16 +0200 Subvolume ID: 262 Generation: 23 Gen at creation: 22 Parent ID: 5 Top level ID: 5 Flags: - Snapshot(s): root@moep:~# dpkg -l | grep btrfs ii btrfs-tools 4.4-1ubuntu1 amd64 Checksumming Copy on Write Filesystem utilities -- 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:<0c35fba9-a514-31dd-a703-17f4727ed229@gmail.com>