Logical Volume Manager (LVM)

 Logical Volume Manager :

•      Responsible for creating and controlling host level logical storage

4  Physical view of storage is converted to a logical view

4  Logical data blocks are mapped to physical data blocks

•      One or more Physical Volumes form a Volume Group

4  LVM manages Volume Groups as a single entity

•      Logical volumes are created from the volume group

LVM Example: Partitioning and Concatenation