ZFS

Pool

zpool create -f tank sda4

zfs pool status

Dataset and volumes

Managing volumes

zfs create $pool/$volume
zfs destroy $pool/$volume
zfs status

Volume options

zfs create -o dedup=on -o compression=on -o mountpoint=/mnt/var tank/myvar

same as

zfs create tank/myvar
zfs set mountopoint=/mnt/var tank/myvar
zfs set dedup=on tank/myvar
zfs set compression=on tank/myvar

verify options

zfs get all tank/myvar