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Date: Fri, 15 Feb 2013 06:49:51 +0100
From: Sander <sander@humilis.net>
To: Fredrik Tolf <fredrik@dolda2000.com>
Cc: Martin Steigerwald <Martin@lichtvoll.de>, linux-btrfs@vger.kernel.org
Subject: Re: Rebalancing RAID1
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Fredrik Tolf wrote (ao):
> How do I remove the conception of the missing device so that I can
> replace it? Should I simply add the replacement first, and only
> after that remove the missing device?
> 
> If the latter, how can I "scratch" the previous btrfs metadata from
> this "replacement" drive so that it doesn't try to autoreinsert it
> into the filesystem when it is detected? I assume it won't be enough
> be just zeroing the first few sectors of the drive, right?

You could use wipefs.

	Sander