zfs basic usage

storage pool

assuming second disk is entirely free

disk=/dev/sdb
disk=/dev/vdb

zpool create tank $disk
zpool set listsnapshots=on tank
    zfs set canmount=off tank
    zfs set mountpoint=none tank

zfs create tank/test1
zfs set canmount=on tank/test1
zfs set mountpoint=/data/test1 tank/test1

zfs create -s -V 25GB tank/debiantpl
ls -lF /dev/zvol/tank/debiantpl

zpool history tank
zpool list
zpool status -v tank

zfs get compression tank
zfs list

df -hT | grep tank
ls -lhF /tank/