Create OSM labs db partitioning scheme and dhcp

Those boxes have a RAID6 hardware raid of 12 2T SATA disks. Configuring
them with a 300Mb /boot, 8G swap and 1T /, the last two on LVM
In the same commit assign their macs the respective hostnames

Change-Id: Id3df153100379a838df724e43fcc54a5d3b9e826
Merge "Create OSM labs db partitioning scheme and dhcp" into production