lvextend Increase the size of a logical volume. Increase a volume's size to 120GB: lvextend --size {{120G}} {{logical_volume}} Increase a volume's size by 40GB as well as the underlying filesystem: lvextend --size +{{40G}} -r {{logical_volume}} Increase a volume's size to 100% of the free physical volume space: lvextend --size {{100}}%FREE {{logical_volume}}