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    • 9. 发明授权
    • Computer system and method for performing failure detecting processing for a logical path
    • 用于对逻辑路径执行故障检测处理的计算机系统和方法
    • US07992048B2
    • 2011-08-02
    • US12611272
    • 2009-11-03
    • Yuki KomatsuMakoto Aoki
    • Yuki KomatsuMakoto Aoki
    • G06F11/00G06F11/34
    • G06F11/201G06F3/0611G06F3/0635G06F3/067
    • Provided is a computer system including at least one host computer; and at least one storage system, characterized in that: the storage system has a disk drive and a disk controller, and provides a storage area of the disk drive as at least one logical unit; upon detecting a failure in a logical path serving as an access route from the host computer to the logical unit, the host computer specifies logical paths for accessing the same logical unit that is connected to the logical path where the failure is detected; the host computer executes failure detecting processing for the specified logical paths to judge whether the specified logical paths are normal or not; the host computer selects normal logical paths out of the specified logical paths; and the host computer accesses the logical unit via the normal logical paths selected.
    • 提供了一种包括至少一台主机的计算机系统; 以及至少一个存储系统,其特征在于:所述存储系统具有磁盘驱动器和磁盘控制器,并且提供所述磁盘驱动器的存储区域作为至少一个逻辑单元; 在检测到从主计算机到逻辑单元的访问路由的逻辑路径中的故障时,主计算机指定用于访问连接到检测到故障的逻辑路径的相同逻辑单元的逻辑路径; 主计算机对指定的逻辑路径执行故障检测处理,以判断指定的逻辑路径是否正常; 主机从指定的逻辑路径中选择正常的逻辑路径; 并且主机通过所选择的正常逻辑路径访问逻辑单元。