<disk device='disk' type='network'> <driver type='raw'/> <source protocol='nbd'> <host name='example.com' port='1234'/> <privateData> <nodenames> <nodename type='storage' name='0123456789ABCDEF0123456789ABCDE'/> <nodename type='format' name='0123456789ABCDEF0123456789ABCDE'/> </nodenames> </privateData> </source> </disk>