Freebsd zfs
enable
- sysrc zfs_enable=yes
start
- service zfs start
config
create a raidz pool
- zpool create storage raidz /dev/ada1 /dev/ada2 /dev/ada3
create a zpool called misc
- zfs create storage/misc
set 2 copies
- zfs set copies=2 storage/misc
set compression
- zfs set compression=gzip storage/misc