# 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 = service.create_volume(options)
          merge_attributes(data['createvolumeresponse'])
        end