In Linux, Logical Volume Manager (LVM) is a device mapper framework that provides logical volume management for the Linux kernel. Most modern Linux distributions are LVM-aware to the point of being able to have their root file systems on a logical volume.

When formatting a LVM volume, you can choose between encrypted LVM or not encrypted LVM. Encrypted LVM is very strong, so if somehow you locked yourself out, unless you have backup...

LVM (Logical Volume Manager) allows administrators to create meta devices that provide an abstraction layer between a file system and the physical storage that is used underneath. The meta devices (on which file systems are placed) are logical volumes...