<domainbackup mode="push"> <incremental>1525889631</incremental> <disks> <disk name='vda' type='file'> <driver type='qcow2'/> <target file='/path/to/file'> <encryption format='luks'> <secret type='passphrase' uuid='0a81f5b2-8403-7b23-c8d6-21ccc2f80d6f'/> </encryption> </target> </disk> <disk name='vdb' type='file'> <driver type='raw'/> <target file='/path/to/file'> <encryption format='luks'> <secret type='passphrase' usage='/storage/backup/vdb'/> </encryption> </target> </disk> <disk name='vdc' type='block'> <driver type='qcow2'/> <target dev='/dev/block'> <encryption format='luks'> <secret type='passphrase' usage='/storage/backup/vdc'/> </encryption> </target> </disk> </disks> </domainbackup>