    # File lib/fog/rackspace/requests/compute_v2/delete_attachment.rb, line 15
            def delete_attachment(server_id, volume_id)
              volume     = self.data[:volumes][volume_id]
              server     = self.data[:servers][server_id]
              if volume.nil? || server.nil?
                raise Fog::Compute::RackspaceV2::NotFound
              else
                self.data[:volume_attachments].delete_if { |v| v["serverId"] == server_id && v["volumeId"] == volume_id }
                volume["attachments"].delete_if { |v| v["serverId"] == server_id && v["volumeId"] == volume_id }

                response(:status => 204)
              end
            end