Move data/system from one drive to another on a live running system using LVM tools. 0. Connect new drive. 1. Make it a Physical volume: (pvcreate). 2. Extend current VolGroup to include new PV: (vgextend). 3. Move blocks from old drive to new: (pvmove). 4. Remove old drive from VolGroup: (vgreduce).Credits to Phil Edwards (phil_at_linux2000_dot_com).