https://github.com/openstack/ironic/blob/master/ironic/common/images.py#L295: images.converted_size() is used for checking for enough disk space already and it uses virtual size, so there should be another reason. Probably some mistake in clean_up_caches: https://github.com/openstack/ironic/blob/master/ironic/drivers/modules/image_cache.py#L327
https:/ /github. com/openstack/ ironic/ blob/master/ ironic/ common/ images. py#L295: images. converted_ size() is used for checking for enough disk space already and it uses virtual size, so there should be another reason. Probably some mistake in clean_up_caches: https:/ /github. com/openstack/ ironic/ blob/master/ ironic/ drivers/ modules/ image_cache. py#L327