# lvreduce -L 6G /dev/mapper/fedora_localhost--live-home
WARNING: Reducing active and open logical volume to 6.00 GiB.
THIS MAY DESTROY YOUR DATA (filesystem etc.)
Do you really want to reduce fedora_localhost-live/home? [y/n]:

Is lvreduce smart, ie does it know not to touch existing data ?

Is there a way to do this with parted ?