LVM2: lvm2 (Logical Volume Manager version 2)
LVM2: 
LVM2: LVM adds an additional layer between the physical peripherals and the
LVM2: low-level I/O interface to get a logical view of disks. This allows 
LVM2: the concatenation of several disks (so-called physical volumes or PVs)
LVM2: to form a storage pool (so-called Volume Group or VG) with allocation
LVM2: units called physical extents (called PE). With LVM, you can extend,
LVM2: resize, or relocate storage dynamically.
LVM2: 
LVM2: 
LVM2: