'Create a base backup image.
This will be the base image used for storing differential exports.'

def _create_base_image(self, name, size, rados_client):

    LOG.debug("Creating    base    image    '%s'", name)
    (old_format, features) = self._get_rbd_support()
    self.rbd.RBD().create(ioctx=rados_client.ioctx, name=name, size=size, old_format=old_format, features=features, stripe_unit=self.rbd_stripe_unit, stripe_count=self.rbd_stripe_count)
