check(re.match('^[A-Za-z0-9]+$', d.guest_device_name))
machine = Machine.get(d.machine_id)
check(re.match('^[A-Za-z0-9][A-Za-z0-9._-]*$', machine.name))
- lvname = machine.name + "_" + d.guest_device_name
+ lvname = prefix + machine.name + "_" + d.guest_device_name
if not os.path.exists("/dev/%s/%s" % (vg, lvname)):
# LV doesn't exist
print >>sys.stderr, "Creating LV %s..." % (lvname,)