in templates/vm_multiple_instances.py [0:0]
def NameTheDisks(disks, disk_prefix):
"""Loops through disk list and rename its named properties."""
for disk in disks:
if default.DISK_NAME in disk:
disk[default.DISK_NAME] = disk_prefix + '-' + disk[default.DISK_NAME]
if default.DEVICE_NAME in disk:
disk[default.DEVICE_NAME] = disk_prefix + '-' + disk[default.DEVICE_NAME]