I think this is not a problem, if you want to have a default volume type, you can set this default volume type in the cinder.conf configuration file, set default_volume_type = <volume_type_name>, the volume you create will be accompanied by a volume type id.
I think this is not a problem, if you want to have a default volume type, you can set this default volume type in the cinder.conf configuration file, set default_volume_type = <volume_type_name>, the volume you create will be accompanied by a volume type id.