Date: Tue, 15 Jan 2013 06:49:13 -0800
From: Marc MERLIN <marc@merlins.org>
To: David Brown <btrfs@davidb.org>
Cc: linux-btrfs@vger.kernel.org
Subject: Re: Can moving data to a subvolume not take as long as a fully copy?
Message-ID: <20130115144912.GB5890@merlins.org>
References: <20130114173250.GA23026@merlins.org> <87libvaqlp.fsf@davidb.org>
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On Mon, Jan 14, 2013 at 10:48:50PM -0800, David Brown wrote:
> Why not make a snapshot of the root volume, and then delete the files
> you want to move from the original root, and delete the rest of root
> from the snapshot?

Are a snapshot of the root volume and a subvolume effectively the same thing
as far as btrfs sees them?
Once I have that snapshot which I'll treat as a subvolume, can I then
snapshot that snapshot/subvolume further?

If so, that's definitely a good way of doing this for next time.

Thanks,
Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/