Gives you commands to replicate the structure of LVM volumes on 1 machine on another.

lvm-save

#! /bin/env ruby
require 'pp'

`lvscan`.gsub(/[\[\]']/,'').split("\n").each do |device_line|
  device_line = device_line.split
  vg, lv = device_line[1].split('/')[-2,2]
  puts "lvcreate -L #{device_line[2].to_f}#{device_line[3][0,1]} -n #{lv} #{vg}"
end