Re: [newb] move /home to subvolume

[Austin S Hemmelgarn <ahferroin7@gmail.com>]

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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 
from rescue media (just make sure the rescue media is relatively up to 
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 - not
> sure easiest way to do this step
I would use either rsync (if you have a lot of free space available on 
the volume) or 'cp -va --reflink=always'.
> 6. edit /mnt/sysimage/etc/fstab to mount new /home
>
> I have another machine, setup more or less this way:
> UUID=7246327b-1905-4fe2-9b6b-b9376017264f /                       btrfs
> subvolid=5,subvol=root00 0 0
> UUID=2c04be93-34c1-4016-ba41-60fd9fd90616 /boot                   ext4
> defaults        1 2
> UUID=7246327b-1905-4fe2-9b6b-b9376017264f /home                   btrfs
> subvol=home     0 0



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