DATA STORAGE DEVICE AND BAD BLOCK MANAGING METHOD THEREOF
First Claim
Patent Images
1. A data storage device comprising:
- a storage unit; and
a controller configured to control the storage unit,wherein the controller is configured to manage a mapping between a logical address space and a virtual address space of the storage unit, virtual address space of the storage unit being variable.
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Abstract
A data storage device includes a storage unit, and a controller configured to control the storage unit, wherein the controller is configured to manage a mapping between a logical address space and a virtual address space of the storage unit, virtual address space of the storage unit being variable.
48 Citations
20 Claims
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1. A data storage device comprising:
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a storage unit; and a controller configured to control the storage unit, wherein the controller is configured to manage a mapping between a logical address space and a virtual address space of the storage unit, virtual address space of the storage unit being variable. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A bad block managing method of a data storage device including a storage unit, the bad block managing method comprising:
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determining a virtual address space of the storage unit; and varying the virtual address space of the storage unit in a discontinuous manner when a bad block is generated from the storage unit. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A data storage device comprising:
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a storage unit having a virtual block space and a reserved space; and a controller configured to control the storage unit, to set virtual addresses of the virtual block space, the virtual addresses including a virtual address of a block of the reserved space to replace a virtual address of a bad block of the virtual block space, and to perform a request using the previously set virtual addresses of the virtual block space, wherein the virtual block space is variable according to occurrence of the bad block of the reserved space. - View Dependent Claims (17, 18, 19, 20)
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Specification