Subsystem replacement method
First Claim
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1. A storage system comprising:
- a first storage device; and
a storage control device coupled to a higher level device, an information processing device and said first storage device, wherein said storage control device controls reading or writing of data from said higher level device to said storage control device, wherein said storage control device can be coupled to another storage control device, and can acquire device information of said another storage control device, and wherein said storage control device can send said device information to said information processing device when requested by said information processing device.
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Abstract
A storage system which includes a first storage device, and a storage control device connected to a higher level device and the first storage device. The storage control device controls reading or writing of data from or to the higher level device to or from the storage control devices. The storage control device can be connected to another storage control device, and can acquire device information of the other storage control device.
44 Citations
16 Claims
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1. A storage system comprising:
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a first storage device; and
a storage control device coupled to a higher level device, an information processing device and said first storage device, wherein said storage control device controls reading or writing of data from said higher level device to said storage control device, wherein said storage control device can be coupled to another storage control device, and can acquire device information of said another storage control device, and wherein said storage control device can send said device information to said information processing device when requested by said information processing device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method in a storage system having a first storage device, a storage control device coupled to a higher level device, an information processing device and said first storage device, said method comprising the steps of:
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controlling, performed by said storage control device, reading or writing of data from or to said higher level device to said storage control device;
coupling, performed by said storage control device, said storage control device and another storage control device; and
acquiring, performed by said storage control device, device information of said another storage control device, and wherein said storage control device sends said device information to said information processing device when requested from said information processing device. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification