    # File lib/fog/cloudstack/models/compute/volume.rb, line 31
            def save
              requires :name, :disk_offering_id, :zone_id

              options = {
                'size'           => size,
                'name'           => name,
                'diskofferingid' => disk_offering_id,
                'zoneid'         => zone_id,
                'snapshotid'     => snapshot_id,
                'projectid'      => project_id
              }
              data = connection.create_volume(options)
              merge_attributes(data['createvolumeresponse'])
            end