Storage device and information processing system
First Claim
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1. A storage device, comprising:
- a data-readable/writable storage medium;
a data-readable/writable nonvolatile memory; and
a controller which manages one of respective physical storage areas of the storage medium and the nonvolatile memory as being a logical storage area and which, in response to an access request from an external source, executes access to either one or both of the storage medium and the nonvolatile memory.
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Abstract
A storage device includes a data-readable/writable storage medium, a data-readable/writable nonvolatile memory, and a controller which manages one of respective physical storage areas of the storage medium and the nonvolatile memory as being a logical storage area and which, in response to an access request from an external source, executes access to either one or both of the storage medium and the nonvolatile memory.
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Citations
14 Claims
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1. A storage device, comprising:
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a data-readable/writable storage medium;
a data-readable/writable nonvolatile memory; and
a controller which manages one of respective physical storage areas of the storage medium and the nonvolatile memory as being a logical storage area and which, in response to an access request from an external source, executes access to either one or both of the storage medium and the nonvolatile memory. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An information processing system, comprising:
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an information processing unit; and
a storage device connectable to the information processing unit, the information processing unit being capable of making a data access request to the storage device, and the storage device including;
a data-readable/writable storage medium, a data-readable/writable nonvolatile memory, and a controller which manages one of respective physical storage areas of the storage medium and the nonvolatile memory as being a logical storage area and which, in response to the access request from the information processing unit, executes access to either one or both of the storage medium and the nonvolatile memory. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification