DATA STORAGE DEVICE AND RELATED DATA MANAGEMENT METHOD
First Claim
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1. A method of operating a storage device comprising a nonvolatile memory device, the method comprising:
- detecting an allocation order of a first memory block storing page data; and
assigning page data in the first memory block to a second memory block having a first erase count or a third memory block having a second erase count larger than the second erase count, based on the detected allocation order.
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Abstract
A storage device performs data management for a nonvolatile memory device by detecting an allocation order of a first memory block, assigning page data of the first memory block to a second memory block or a third memory block having different erase counts based on the allocation order.
28 Citations
20 Claims
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1. A method of operating a storage device comprising a nonvolatile memory device, the method comprising:
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detecting an allocation order of a first memory block storing page data; and assigning page data in the first memory block to a second memory block having a first erase count or a third memory block having a second erase count larger than the second erase count, based on the detected allocation order. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A data storage device, comprising:
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a nonvolatile memory device; and a memory controller configured to assign page data in a first memory block to a second memory block or a third memory block having an erase count larger than the second memory block, based on an allocation order of the first memory block assigned to write data. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A method of managing data in a nonvolatile memory device, comprising:
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determining an allocation order of a first memory block; comparing the allocation order to a reference value; and assigning valid data of the first memory block to a hot block or a cold block according to a result of the comparison. - View Dependent Claims (20)
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Specification