Data management method and storage device performing the same
In a data management method for a storage device, the storage device includes a nonvolatile memory device including a plurality of memory blocks. A TRIM-after-COPY command is received from an external host such that a data compaction operation is performed on a first storage region. Valid data store...
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| Main Authors | , |
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| Format | Patent |
| Language | English |
| Published |
19.05.2020
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| Subjects | |
| Online Access | Get full text |
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| Abstract | In a data management method for a storage device, the storage device includes a nonvolatile memory device including a plurality of memory blocks. A TRIM-after-COPY command is received from an external host such that a data compaction operation is performed on a first storage region. Valid data stored in the first storage region are internally copied into a second storage region based on the TRIM-after-COPY command. A TRIM operation is performed based on the TRIM-after-COPY command to update a logical-to-physical address mapping table and a valid page bitmap. |
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| AbstractList | In a data management method for a storage device, the storage device includes a nonvolatile memory device including a plurality of memory blocks. A TRIM-after-COPY command is received from an external host such that a data compaction operation is performed on a first storage region. Valid data stored in the first storage region are internally copied into a second storage region based on the TRIM-after-COPY command. A TRIM operation is performed based on the TRIM-after-COPY command to update a logical-to-physical address mapping table and a valid page bitmap. |
| Author | Hwang, Joo-Young Doh, In-Hwan |
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| Notes | Application Number: US201816037169 |
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| RelatedCompanies | SAMSUNG ELECTRONICS CO., LTD |
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| Snippet | In a data management method for a storage device, the storage device includes a nonvolatile memory device including a plurality of memory blocks. A... |
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| SubjectTerms | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| Title | Data management method and storage device performing the same |
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