@property<EOL><INDENT>def volume_name(self):<DEDENT>
return self._volume_name<EOL>
Gets the volume_name of this V1ScaleIOPersistentVolumeSource.
The name of a volume already created in the ScaleIO system that is associated with this volume source.

:return: The volume_name of this V1ScaleIOPersistentVolumeSource.
:rtype: str