FreeNAS ZIL와L2ARC one SSD using the shell

zpool status tank
zpool remove tank gptid/644b7b13-819b-11e7-991e-000c29dcb3b1
zpool status tank
gpart destroy -F ada0
gpart create -s GPT ada0
gpart add -t freebsd-zfs -s 10G ada0
gpart add -t freebsd-zfs -s 45G ada0
gpart show ada0
zpool add tank log ada0p1
zpool add tank cache ada0p2
zpool status tank
zpool list -v
zpool iostat -v 2 300