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    • 2. 发明授权
    • Method and apparatus for testing raid systems
    • 检测突袭系统的方法和装置
    • US5574855A
    • 1996-11-12
    • US440952
    • 1995-05-15
    • Mitchell N. RosichWilliam F. BeckettJohn W. BradleyRobert DeCrescenzo
    • Mitchell N. RosichWilliam F. BeckettJohn W. BradleyRobert DeCrescenzo
    • G06F11/22G06F11/267G06F11/00
    • G06F11/2221G06F11/22
    • An error injection test scripting system that permits a test engineer to select from a series of commands those that will induce a desired test scenario. These commands are presented to a parser, either in command line form or as a batch of commands, which parses the syntax of the commands and associated parameters, to create a task list which is communicated to a scheduler. The scheduler handles the execution of the tasks in the list, converts parameters to explicit logical block test sequences and maintains test results. Tasks such as error injection use a special protocol (which the unit under test must be able to understand and interpret) to circumvent standard bus and controller protocols, so that test data, such as corrupt parity or multiple hard error failures can be sent to the disks in the RAID system, while bypassing the RAID array management functions that would otherwise automatically correct or prevent the errors. The scenario of injected errors to be tested is then executed through a tester, the results are evaluated and posted back to the scheduler.
    • 一个错误注入测试脚本系统,允许测试工程师从一系列命令中选择那些会引发所需测试场景的命令。 这些命令以命令行形式或一批命令呈现给解析器,该命令解析命令和关联参数的语法,以创建传达给调度程序的任务列表。 调度器处理列表中任务的执行,将参数转换为显式逻辑块测试序列并维护测试结果。 诸如错误注入的任务使用特殊协议(被测单元必须能够理解和解释)来规避标准总线和控制器协议,从而可以将测试数据(如损坏的奇偶校验或多个硬错误故障)发送到 RAID系统中的磁盘,同时绕过RAID阵列管理功能,否则会自动更正或防止错误。 然后通过测试仪执行要测试的注入错误的场景,将结果评估并发回到调度程序。