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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/91774完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 郭大維 | zh_TW |
| dc.contributor.advisor | Tei-Wei Kuo | en |
| dc.contributor.author | 周世俊 | zh_TW |
| dc.contributor.author | Shih-Chun Chou | en |
| dc.date.accessioned | 2024-02-22T16:40:04Z | - |
| dc.date.available | 2024-02-23 | - |
| dc.date.copyright | 2024-02-22 | - |
| dc.date.issued | 2024 | - |
| dc.date.submitted | 2024-02-07 | - |
| dc.identifier.citation | [1] IBM: Why is data security important? https://www.ibm.com/topics/data-security.
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/91774 | - |
| dc.description.abstract | 因應巨量資料的趨勢，基於快閃記憶體的儲存系統，正迅速成為儲存裝置的主流選擇，同時，數位資訊的保護，以確保隱私與合規性變得至關重要。資料安全涉及在其整個生命週期中，不會被未經授權的存取、損害或竊取。本論文主要探討了資料生命週期中，因數據損害的可靠性問題，以及未經授權的資料存取和竊取問題，而進行資料安全刪除的探討。本論文提出三種設計來解決這些問題，首先，本論文設計了一個多版本檢查點機制，利用out-place 更新的特性，以確保在快閃記憶體儲存系統上的資料可靠性和完整性。第二個設計安全刪除機制，來延長在固態硬碟上的快閃記憶體的壽命。第三，針對分區命名空間固態硬碟(ZNS SSD)，設計了高效的安全資料刪除機制，以最小化成本，解決因分區命名空間固態硬碟的的資料安全刪除成本。本論文旨在降低快閃記憶體的儲存系統的安全刪除成本，進而強化其可靠性。 | zh_TW |
| dc.description.abstract | in response to the exponential growth of data, flash-based storage systems are rapidly becoming the mainstream choice for storage devices. It is important to protect digital information to ensure privacy and compliance. Data security involves protecting against unauthorized access, damage, or theft throughout during its life-cycle. This paper primarily explores the issues of data reliability to prevent data damage, as well as the issues of secure data deletion to avoid unauthorized access and theft during the data life-cycle in flash-based storage. The paper proposes three designs to resolve these issues. Firstly, this research Designing a multi-version check-pointing mechanism utilizing the out-place updates feature to ensure the data reliability and integrity on flash-based storage system. The second design involves a secure deletion mechanism to extend the lifespan of flash memory on solid-state drives. The third design focuses on Zoned Namespace Solid State Drives (ZNS SSDs) and presents an efficient secure data sanitization mechanism to minimize costs associated with secure data deletion on ZNS SSDs. The aim of this paper is to reduce the cost of secure deletion in flash memory storage systems, thereby enhancing their reliability. | en |
| dc.description.provenance | Submitted by admin ntu (admin@lib.ntu.edu.tw) on 2024-02-22T16:40:04Z No. of bitstreams: 0 | en |
| dc.description.provenance | Made available in DSpace on 2024-02-22T16:40:04Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | 誌謝. . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii
Acknowledgements. . . . . . . . . . . . . . . . . . . . . . . v 摘要. . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii Abstract. . . . . . . . . . . . . . . . . . . . . . . . . . . ix 1 Introduction. . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Trends of the storage systems . . . . . . . . . . . . . . 1 1.2 Flash-based storage systems . . . . . . . . . . . . . . . 2 1.3 Reliability on Flash-based Storage systems . .. . . . . . 4 1.4 Secure Data Deletion on Flash-based storage systems . . . 5 1.5 Objectives and Contributions . . . . . . . . . . . . . . 6 2 Multi-version Checkpointing for Flash File Systems . . . . 9 2.1 Background . . . . . . . . . . . . . . . . . . . . . . . 9 2.2 Related work . . . . . . . . . . . . . . . . . . . . . . 9 2.3 System Architecture and Motivation . . . . .. . . . . . . 10 2.4 Multi-version Checkpointing . . . . . . . . . . . . . . 12 2.4.1 Overview - The Basic Idea of Two-version Checkpointing . 12 2.4.2 The Control Mechanism . . . . . . . . . .. . . . . . . . 14 2.4.3 A Two-version Recovery Mechanism . . . . . . . . . . . . 19 2.4.4 Extension: Multi-version Checkpointing . . . . . . . . . 21 2.5 Experimental Studies . . . . . . . . . . . . . . . . . . . 22 2.5.1 The Performance Metrics and Experimental Setup . . . . . 22 2.5.2 Experimental Results . . . . . . . . . . . . . . . . . . 24 2.6 Summary . . . . . . . . . . . . . . . . . . . . . . . . . 25 3 Stream-based Secure Deletion method to Extend the Endurance of NAND Flash SSD . . . . . . . . . . . . . . . . . . . . . . . .27 3.1 Background . . . . . . . . . . . . . . . . . . . . . . . . 27 3.2 Related work . . . . . . . . . . . . . . . . . . . . . . . 28 3.2.1 Multi-Streamed Solid-State Drives . . . . . . . . . . . 28 3.2.2 Secure Deletion Methods for SSDs . . . . . . . . . . . . 28 3.3 System Architecture and Motivations . . . . . . . . . . . 29 3.4 Stream-based secure deletion for lifetime extension of multi-stream SSDs 31 3.4.1 File-aware Data Allocation . . . . . . . . . . . . . . . 31 3.4.2 Stream-based Secure Deletion . . . . . . . . . . . . . . 34 3.5 Performance Evaluation . . . . . . . . . . . . . . . . . . 36 3.5.1 Evaluation Metrics and Experiment Setup . . . . . . . . 36 3.5.2 Experimental Results . . . . . . . . . . . . . . . . . . 36 3.6 Summary . . . . . . . . . . . . . . . . . . . . . . . . . 37 4 Efficient Secure Data Sanitization for Zoned Namespaces Solid-state Disks 41 4.1 Background . . . . . . . . . . . . . . . . . . . . . . . . 41 4.2 Related work . . . . . . . . . . . . . . . . . . . . . . . 42 4.2.1 Data Sanitization . . . . . . . . . . . . . . . . . . . 42 4.2.2 Zoned Namespace Solid-State Disks (ZNS SSDs) . . . . . . 43 4.2.3 Data Sanitization on ZNS SSDs . . . . . . .. . . . . . . 44 4.3 System Architecture and Motivations . . . . . . . . . . . 45 4.4 Access Control and data sanitization for ZNS SSDs . . . . 48 4.4.1 overview of ZESS . . . . . . . . . . . . . . . . . . . . 49 4.4.2 Data Access Control Gateway . . . . . . . . . . . . . . 49 4.4.3 Read, Write, Update and Sanitization Operations . .. . . 50 4.4.4 Key Management . . . . . . . . . . . . . . . . . . . . . 52 4.4.5 Security Anasis . . . . . . .. . . . . . . . . . . . . . 52 4.5 Performance Evaluation . . . . . . . . . . . . . . . . . . 53 4.5.1 Evaluation Metrics and Experiment Setup .. . . . . . . . 53 4.5.2 Experimental Results . . . . . . . . . . . . . . . . . . 54 4.6 Summary . . . . . . . . . . . .. . . . . . . . . . . . . . 55 5 Conclusion and Future work 59 Bibliography 61 | - |
| dc.language.iso | en | - |
| dc.subject | 快閃記憶體儲存系統 | zh_TW |
| dc.subject | 分區命名空間SSD | zh_TW |
| dc.subject | 可靠性 | zh_TW |
| dc.subject | 安全刪除 | zh_TW |
| dc.subject | Reliability | en |
| dc.subject | Secure Deletion | en |
| dc.subject | Flash-based storage | en |
| dc.subject | Zoned Namespace SSD | en |
| dc.title | 基於快閃記憶體儲存系統之數據生命週期可靠性與安全性提升方法探討 | zh_TW |
| dc.title | Enhancing Data Lifecycle Reliability and Security for Flash-based Storage Systems | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 112-1 | - |
| dc.description.degree | 博士 | - |
| dc.contributor.coadvisor | 張原豪 | zh_TW |
| dc.contributor.coadvisor | Yuan-Hao Chang | en |
| dc.contributor.oralexamcommittee | 洪士灝;劉邦峰;何建忠;施吉昇 | zh_TW |
| dc.contributor.oralexamcommittee | Shih-Hao Hung;Pang-Feng Liu;Chien-Chung Ho;Chi-Sheng Shih | en |
| dc.subject.keyword | 快閃記憶體儲存系統,分區命名空間SSD,可靠性,安全刪除, | zh_TW |
| dc.subject.keyword | Flash-based storage,Zoned Namespace SSD,Reliability,Secure Deletion, | en |
| dc.relation.page | 67 | - |
| dc.identifier.doi | 10.6342/NTU202400518 | - |
| dc.rights.note | 未授權 | - |
| dc.date.accepted | 2024-02-14 | - |
| dc.contributor.author-college | 電機資訊學院 | - |
| dc.contributor.author-dept | 資訊工程學系 | - |
| 顯示於系所單位： | 資訊工程學系 | |
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