Linux/LVM

Installation

apt-get install lvm2
apt-get install system-config-lvm

Volumes

• physical volume - pv

pvs
pvdisplay
pvcreate /dev/<Partition> 

• volume group - vg

vgs
vgdisplay
vgcreate <group> /dev/<Partition1> /dev/<Partition2> 

• logical volume - lv

lvs
lvdisplay
lvcreate -L 2G -n <volume> <group> 
lvextend -L 5G /dev/<group>/<volume> 

• /dev/$vg/$lv

• snapshots

lvcreate --size 100M --snapshot --name <name> /dev/<group>/<volume>                             (size = max changed size)