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https://elib.vku.udn.vn/handle/123456789/1547
Nhan đề: | A Data Recovery Technique Improves on Hybrid Mapping for NAND Flash Memory |
Tác giả: | Tran, Van Dai Park, Dong-Joo |
Từ khoá: | NAND Flash memory Data recovery technique ECC Power Loss Recovery Spare area |
Năm xuất bản: | thá-2020 |
Nhà xuất bản: | International Journal of Scientific & Technology Research |
Tóm tắt: | Flash memory has been built upon EEPROM (Electronically Erasable Programmable Read-Only Memory). Unlike traditional magnetic disks, Flash memory has disadvantages, like the limitations of life cycle and erase-before-write, which require a resolution well-known namely Flash Translation Layer (FTL) to resolve. Volatile memory today is used to save periodic retrieve requests for mapping-tables in flash memory. These tables can be missed when an unexpected power outage occurs. In order to address this problem, Page-mapping, Block- mapping, and Hybrid-mapping methods have been introduced. However, these methods also have shortcomings, for example, the mapping-information management overhead and the recovery time. In this paper, we introduce a data recovery scheme improves on Hybrid-mapping together with the spare area separate to ECC (Error Code Correction), block information, ASN (Allocation Sequence Number), mapping-information, Flag, and reserved in FTL. The results display that our technique has the less recovery time and mapping-information management overhead than the previous methods. |
Mô tả: | International Journal of Scientific & Technology Research; Vol 9. Issue 8; pp. 422-426. |
Định danh: | http://elib.vku.udn.vn/handle/123456789/1547 |
ISSN: | 2277-8616 |
Bộ sưu tập: | NĂM 2020 |
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