lvm: lvm (Logical Volume Manager) lvm: lvm: Heinz Mauelshagen's LVM (Logical Volume Manager) for Linux. lvm: LVM adds an additional layer between the physical peripherals and the lvm: I/O interface in the 2.4.x kernel to get a logical view of disks. lvm: This allows the concatenation of several disks (so-called physical lvm: volumes or PVs) to form a storage pool (so-called Volume Group or VG) lvm: with allocation units called physical extents (called PE). With LVM, lvm: you can actually extend, resize, or relocate storage dynamically. lvm: lvm: