| 摘要 |
A storage system with excellent failure tolerance is provided. The storage system has redundant controllers. A first controller has a first memory for storing the data read/written from/to a storage device and control information concerning the reading/writing of data in the storage device. A second controller has a second memory for storing the data read/written from/to the storage device and control information concerning the reading/writing of data in the storage device. The first memory is structured so that it can be accessed from the second controller. The second memory is structured so that it can be accessed from the first controller.
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