Footnote

Indicates what type of device the volume resides on:

LVM_HARD_DRIVE   0    Hard disk drive under LVM control
LVM_PRM          1    Partitioned removable media device under LVM control
NON_LVM_CDROM    2    CD-ROM drive not under LVM control
NETWORK_DRIVE    3    Network drive not under LVM control
NON_LVM_DEVICE   4    Unknown device not under LVM control