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    System for monitoring a library unit shared as input/output with higher level unit wherein abnormal occupation of library by a higher level unit is reset
    1.
    发明授权
    System for monitoring a library unit shared as input/output with higher level unit wherein abnormal occupation of library by a higher level unit is reset 失效
    用于监视作为具有较高级别单元的输入/输出共享的库单元的系统，其中重置由较高级单元的库的异常占用

    公开(公告)号：US5594922A

    公开(公告)日：1997-01-14

    申请号：US301128

    申请日：1994-09-06

    申请人： Yoshio Suzuki ,  Naoyuki Takeda

    发明人： Yoshio Suzuki ,  Naoyuki Takeda

    IPC分类号： G06F13/36 ,  G06F3/06 ,  G06F13/00 ,  G06F13/42 ,  G06F13/10

    CPC分类号： G06F3/0601 ,  G06F13/4226 ,  G06F2003/0697

    摘要： A plurality of higher-level units are connected to a library unit, for example, as a lower-level unit through an SCSI. Furthermore, the plurality of higher-level units are connected by means of a communication path to mutually exchange information regarding the status of use of SCSI for the access to the lower-level library unit. A monitoring control section is provided in each of the plurality of higher-level units to instruct necessary processing in response to the status of use of SCSI. Particularly, when an abnormal occupation of SCSI caused by hang-up of any other higher-level unit is detected by the monitoring control section of a higher-level unit, the higher-level unit instructs its own SCSI controller to reset the bus to achieve bus reset of the other SCSI controller, thus releasing the occupation.

    摘要翻译： 多个上级单元通过SCSI连接到库单元，例如作为下级单元连接。 此外，多个上级单元通过通信路径连接，以相互交换关于用于访问下级库单元的SCSI的使用状态的信息。 在多个上级单元的每一个中提供监视控制部分，以响应于SCSI的使用状态来指示必要的处理。 特别地，当上级单元的监视控制部分检测到任何其他上位单元的挂起引起的SCSI异常占用时，上级单元指示自己的SCSI控制器复位总线以实现 总线复位其他SCSI控制器，从而释放占用。