Using GPT partitions with gmirror

[Pavel Greenberg]

On Mon, 1 Feb 2010 15:20:40 -0600, Peter Steele wrote
> Because we have large drives (>2TB) we're switching to gpart to 
> partition our disks. I had previously been using fdisk/bsdlabel and 
> setting up specially configured partition tables that would work 
> with gmirror. This involved faking the size of the c partition to 
> make sure there was space for gmirror to store its metadata. Now 
> that I'm using gpart I'm wondering if any of this trickery is 
> needed? Can I simply create my partitions with gpart then create 
> mirrored partitions using these partitions? I've tried this and it 
> seems to work fine but I'm just being cautious.

http://lists.freebsd.org/pipermail/freebsd-questions/2009-July/201891.html