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Date: Mon, 27 Apr 2015 17:37:17 +0000
From: Hugo Mills <hugo@carfax.org.uk>
To: Roman Mamedov <rm@romanrm.net>
Cc: sri <toyours_sridhar@yahoo.co.in>, linux-btrfs@vger.kernel.org
Subject: Re: btrfs freeze/thaw when using with LVM2
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On Mon, Apr 27, 2015 at 10:34:42PM +0500, Roman Mamedov wrote:
> On Mon, 27 Apr 2015 14:55:49 +0000
> Hugo Mills <hugo@carfax.org.uk> wrote:
> 
> > > This is strange considering that I wanted a consistent snapshot of 
> > > entire btrfs filesystem at volume level.
> > > 
> > > Is there a way to achive this? or btrfs just cannot provide?
> > 
> >    No, there's no way to manage it with the current btrfs code.
> 
> Why not. fsfreeze, dd to a file (optionally with compression), unfreeze.

   OK, point taken, but if you want to use the frozen volume to make a
file-level backup of the FS contents, you've still got to turn it into
a block device and mount it... at which point, you get hit by the
explosion again...

   Hugo.

-- 
Hugo Mills             | The future isn't what it used to be.
hugo@... carfax.org.uk |
http://carfax.org.uk/  |
PGP: E2AB1DE4          |

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