lvresize

Change the size of a logical volume. See also: lvm. More information: https://man7.org/linux/man-pages/man8/lvresize.8.html.

Change the size of a logical volume to 120 GB:

lvresize --size {{120G}} {{volume_group}}/{{logical_volume}}

Extend the size of a logical volume as well as the underlying filesystem by 120 GB:

lvresize --size +{{120G}} --resizefs {{volume_group}}/{{logical_volume}}

Extend the size of a logical volume to 100% of the free physical volume space:

lvresize --size {{100}}%FREE {{volume_group}}/{{logical_volume}}

Reduce the size of a logical volume as well as the underlying filesystem by 120 GB:

lvresize --size -{{120G}} --resizefs {{volume_group}}/{{logical_volume}}