добавить место в логический том (Add space to a logical volume)
Описание (Description)
lvextend extends the size of an LV. This requires allocating
logical extents from the VG's free physical extents. If the
extension adds a new LV segment, the new segment will use the
existing segment type of the LV.
Extending a copy-on-write snapshot LV adds space for COW blocks.
Use lvconvert(8) to change the number of data images in a RAID or
mirrored LV.
In the usage section below, --size Size can be replaced with
--extents Number. See both descriptions the options section.
