Btrfs on top of LVM?

[Petter Adsen]

On Sat, 22 Aug 2015 11:57:43 -0500
Simon Quigley <sqawesome99 at gmail.com> wrote:

> Hi,
> 
> > Has anyone here used btrfs on top of LVM? Are there any problems or
> > gotchas I should be aware of?
> 
> I personally have NOT...I have used btrfs before(not my favorite)...
> 
> One thing that you should do is plan everything out beforehand in a VM
> to see if what you want to do works, THEN migrate...

For those who may be interested, I have done some further research and
testing, and (according to btrfs devs) this is regarded as safe, _as
long as you don't use the LVM tools to create any snapshots of that
volume_. That can potentially lead to problems.

My next question would be if anyone has used btrfs-convert on an ext4
file system with recent (15.04) kernels and btrfs-tools? And would I
need to rebuild the initrd on a standard install if I do this on the
root fs?

Petter

-- 
"I'm ionized"
"Are you sure?"
"I'm positive."
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