[CentOS] Am I crazy (parted)

Tue Sep 27 18:22:51 UTC 2016
m.roth at 5-cent.us <m.roth at 5-cent.us>

I swear I've done this dozens of times: a new server, going to install
(CentOS 7, in this case), and I manually partition the disk before the
install using parted, and do
mkpart pri 0.0GB +1.0GB
Except now it appears to be saying it doesn't like the +1.0GB, I *think*
it's the plus sign.