Stuff to keep. Without any particular order. Nothing important.
lvs
vgs
pvs
lvresize -r -n -v -L +60G /dev/VGdata/LVdata
lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv
resize2fs /dev/mapper/ubuntu--vg-ubuntu--lv
xfs_growfs /dev/mapper/cs_vm643-root