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- W4292070484 abstract "Data secure deletion operation in storage media is an important function of data security management. The internal physical properties of SSDs are different from hard disks, and data secure deletion of disks can not apply to SSDs directly. Copyback operation is used to improve the data migration performance of SSDs but is rarely used due to error accumulation issue. We propose a data securely deletion algorithm based on copyback operation, which improves the efficiency of data secure deletion without affecting the reliability of data. First, this paper proves that the data secure delete operation takes a long time on the channel bus, increasing the I/O overhead, and reducing the performance of the SSDs. Secondly, this paper designs an efficient data deletion algorithm, which can process read requests quickly. The experimental results show that the proposed algorithm can reduce the response time of read requests by 21% and the response time of delete requests by 18.7% over the existing algorithm." @default.
- W4292070484 created "2022-08-17" @default.
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- W4292070484 date "2022-06-24" @default.
- W4292070484 modified "2023-09-26" @default.
- W4292070484 title "CPSD: A data security deletion algorithm based on copyback command" @default.
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- W4292070484 doi "https://doi.org/10.1109/icaica54878.2022.9844604" @default.
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