.. |p-start| raw:: html <p> .. |p-end| raw:: html </p> .. |disk_format_description| replace:: |p-start|\ The format of the disk.\ |p-end| |p-start|\ Responses may vary based on the configuration available in a particular OpenStack cloud. See the :ref:`Image Schema <image-schema>` response from the cloud itself for the valid values available.\ |p-end| |p-start|\ Example formats are: ``ami``, ``ari``, ``aki``, ``vhd``, ``vhdx``, ``vmdk``, ``raw``, ``qcow2``, ``vdi``, or ``iso``.\ |p-end| |p-start|\ The value might be ``null`` (JSON null data type).\ |p-end| **Newton changes**: The ``vhdx`` disk format is a supported value.