# File lib/mu/api/muapi.rb, line 184
  def backup(command="run", name="")
    case command
    when 'run'
      doc = @http.get_xml("backup/run")
      unless doc.xpath("//job").empty?
        @job_id = doc.xpath("//job")[0].attribute('id')
        msg "job_id = #{@job_id}"
        return @job_id
      end
      return doc
    when 'status'
      doc = @http.get("backup/status")
      return doc
    when 'get'
      file_size = @http.download_file("backup/get","#{name}.dat")
      return "#{name}.dat file size = #{file_size}"
    end
    return false
  end