From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f54.google.com ([209.85.218.54]:34124 "EHLO mail-oi0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751609AbbFAOJl (ORCPT ); Mon, 1 Jun 2015 10:09:41 -0400 Received: by oifu123 with SMTP id u123so102125289oif.1 for ; Mon, 01 Jun 2015 07:09:41 -0700 (PDT) Message-ID: <556C679A.4050000@gmail.com> Date: Mon, 01 Jun 2015 10:09:30 -0400 From: Austin S Hemmelgarn MIME-Version: 1.0 To: Neal Becker , linux-btrfs@vger.kernel.org Subject: Re: [newb] move /home to subvolume References: In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms020808030507090603020006" Sender: linux-btrfs-owner@vger.kernel.org List-ID: This is a cryptographically signed message in MIME format. --------------ms020808030507090603020006 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: quoted-printable On 2015-06-01 09:03, Neal Becker wrote: > So I think what I need to do is: > > 1. boot off some rescue media In theory, you may be able to boot do the equivalent of this from single = user mode or by logging in as root, although it may be safer to do it=20 from rescue media (just make sure the rescue media is relatively up to=20 date). > 2. mount the target btrfs volume (e.g., /mnt/sysimage/root) > 3. mv exising home (mv /mnt/sysimage/home /mnt/sysimage/oldhome) > 4. create new subvolume (btrfs subvolume create /mnt/sysimage/home) > 5. move all the files from /mnt/sysimage/oldhome /mnt/sysimage/home - n= ot > sure easiest way to do this step I would use either rsync (if you have a lot of free space available on=20 the volume) or 'cp -va --reflink=3Dalways'. > 6. edit /mnt/sysimage/etc/fstab to mount new /home > > I have another machine, setup more or less this way: > UUID=3D7246327b-1905-4fe2-9b6b-b9376017264f / btr= fs > subvolid=3D5,subvol=3Droot00 0 0 > UUID=3D2c04be93-34c1-4016-ba41-60fd9fd90616 /boot ext= 4 > defaults 1 2 > UUID=3D7246327b-1905-4fe2-9b6b-b9376017264f /home btr= fs > subvol=3Dhome 0 0 --------------ms020808030507090603020006 Content-Type: application/pkcs7-signature; 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