'Creates a volume.'

@pure_driver_debug_trace
def create_volume(self, volume):

    vol_name = self._get_vol_name(volume)
    vol_size = (volume['size'] * units.Gi)
    current_array = self._get_current_array()
    current_array.create_volume(vol_name, vol_size)
    self._add_to_group_if_needed(volume, vol_name)
    self._enable_replication_if_needed(current_array, volume)
