parted /dev/sdd
mklabel gpt
mkpart primary 0% 20%
mkpart primary 20% 100%
quit
zpool add -f tank log /dev/sdd1
zpool add -f tank cache /dev/sdd2
- https://askubuntu.com/questions/507274/how-to-create-two-partitions-with-exactly-the-same-size
- https://www.zfsbuild.com/2010/06/03/howto-zfs-add-log-drives-zil/
- https://www.zfsbuild.com/2010/06/03/howto-add-cache-drives-to-a-zpool/