发明名称 Storage control device and raid group extension method
摘要 The storage system includes a first storage subsystem having a first logical volume to be accessed by a host computer, and a second storage subsystem connected to the first storage subsystem and having a second logical volume to be mapped to the first logical volume. The first storage subsystem includes a memory having definition information for defining a plurality of logical paths that transfer, to the second logical volume, I/O from the host computer to the first logical volume, and a transfer mode of the I/O to the plurality of logical paths. At least two or more logical paths among the plurality of logical paths are defined as active, and the controller transfers the I/O to the at least two or more logical paths set as active.
申请公布号 US2012072623(A1) 申请公布日期 2012.03.22
申请号 US201113306627 申请日期 2011.11.29
申请人 WATANABE YUTAKA;TAMURA KEISHI;HITACHI, LTD. 发明人 WATANABE YUTAKA;TAMURA KEISHI
分类号 G06F3/00 主分类号 G06F3/00
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