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lvreduce

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

  • Reduce a volume's size to 120GB:

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

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

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