Reduce the size of a logical volume - lvreduce

TLDR pages
1

Reduce the size of a logical volume. See also: lvm. More information: lvreduce(8) - Linux manual page.

  • Reduce a volume’s size to 120 GB:

lvreduce --size {{120G}} {{logical_volume}}

  • Reduce a volume’s size by 40 GB as well as the underlying filesystem:

lvreduce --size -{{40G}} -r {{logical_volume}}