From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hugo Mills <hugo@carfax.org.uk>
Subject: Re: Find RAID level, Change RAID level.
Date: Sun, 30 Oct 2011 14:31:50 +0000
Message-ID: <20111030143150.GR29548@carfax.org.uk>
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 <20111030140617.GA7012@zambezi.lan>
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Cc: Ilya Dryomov <idryomov@gmail.com>, linux-btrfs@vger.kernel.org
To: Jordan Windsor <jordanw2@gmail.com>
Return-path: <linux-btrfs-owner@vger.kernel.org>
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On Mon, Oct 31, 2011 at 12:56:51AM +1030, Jordan Windsor wrote:
> On Mon, Oct 31, 2011 at 12:36 AM, Ilya Dryomov <idryomov@gmail.com> wrote:
> > On Mon, Oct 31, 2011 at 12:10:34AM +1030, Jordan Windsor wrote:
> >> Thanks, It currently shows this:
> >>
> >> Data: total=3D195.01GB, used=3D193.93GB
> >> System, DUP: total=3D8.00MB, used=3D28.00KB
> >> System: total=3D4.00MB, used=3D0.00
> >> Metadata, DUP: total=3D1.75GB, used=3D385.41MB
> >> Metadata: total=3D8.00MB, used=3D0.00
> >>
> >> I didn't specify any RAID levels during creation. I'd like to have a
> >> RAID0 installation across two hard drives.
> >
> > How many devices do you have in your FS right now ? =A0If it's only 1 t=
hen
> > add another one (btrfs device add <dev> <path to FS>) and run balance
> > (btrfs fi balance <path to FS>). =A0That should give you raid0 for data
> > across two drives w/o applying any patches.
>=20
> Thanks, I was wondering if I added a device that was already part of
> another btrfs volume, then would I have the files merged as one volume
> or overwritten in the newly added one?

   You'll lose the original data on the disk you're adding. No merging
will take place.

   Hugo.

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=3D=3D=3D Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk=
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