LVM for Linux allows one to manage disks or arrays of disks as one large pool of storage. An LVM consists of one or more physical volumes along with one or more logical volumes.
Directories such as
/home for example, are located in a logical volume. Several commands exist to manage the LVM. Some operate on physical volumes, some operate on logical volumes, and some on both.
The following list can be used as a quick reference guide for the LVM commands:
pvcreate: It initializes a disk or partition
pvchange: It changes the allocation permissions of one or more physical volumes
pvck: It checks the physical volume metadata
pvdisplay: It displays the attributes of a physical volume
pvmove: It moves physical extents ...