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US08463995B2 Storage control apparatus and storage system comprising multiple storage control apparatuses 有权
包括多个存储控制装置的存储控制装置和存储系统

Storage control apparatus and storage system comprising multiple storage control apparatuses
Abstract:
A storage system has multiple disk controller (DKC) units that are coupled to one another in accordance with a coupling mode that satisfies the following (a1) through (a3): (a1) One DKC inside one DKC unit and one DKC inside another DKC unit are coupled via a second type of coupling medium that differs from the internal bus of the DKC and has a longer maximum communication distance than a first type of coupling medium, which is the same type of coupling medium as the internal bus of the DKC; (a2) the one DKC unit virtualizes a logical volume of the other DKC unit and provides this virtualized logical volume to host(s) coupled to the one DKC unit; and (a3) the other DKC unit virtualizes a logical volume of the DKC unit and provides this virtualized logical volume to host(s) coupled to the other DKC unit.
Abstract(Chinese):

存储系统具有根据满足以下（a1）至（a3）的耦合模式彼此耦合的多个盘控制器（DKC）：（a1）一个DKC单元内的一个DKC和另一个DKC内的一个DKC 单元通过与DKC的内部总线不同的第二类型的耦合介质耦合，并且具有比与DKC的内部总线相同类型的耦合介质的第一类耦合介质的更长的最大通信距离; （a2）一个DKC单元虚拟化另一DKC单元的逻辑卷，并将该虚拟化逻辑卷提供给耦合到该DKC单元的主机; 和（a3）另一个DKC单元虚拟化DKC单元的逻辑卷并将该虚拟化逻辑卷提供给耦合到另一个DKC单元的主机。

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