# File lib/ec2/ec2.rb, line 1093
    def describe_volumes(list=[])
      link = generate_request("DescribeVolumes",
                              hash_params('VolumeId', list.to_a))
      request_cache_or_info :describe_volumes, link, QEc2DescribeVolumesParser, @@bench, list.blank?
    rescue Exception
      on_exception
    end