FB-gpart
gpartを使ってHDDを追加する方法
確認
root # gpart show
# gpart create -s GPT /dev/ada3 ada3 created
# gpart show /dev/ada3 => 34 8388541 ada3 GPT (4G) 34 8388541 - free - (4G)
# gpart add -t freebsd-ufs ada3 ada3p1 added
# gpart show /dev/ada3 => 34 8388541 ada3 GPT (4G) 40 8388541 1 freebsd-ufs (4G)