Change the size of a logical volume to 120 GB

lvresize

  • Change the size of a logical volume.
    See also: `lvm`.
    More information: <https://man7.org/linux/man-pages/man8/lvresize.8.html>.
  • Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

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

click the source code to copy install lvresize on any operating system with command-not-found.com