{"title":"Intelligent SSD Firmware for Zero-Overhead Journaling","authors":"Hanyeoreum Bae;Donghyun Gouk;Seungjun Lee;Jiseon Kim;Sungjoon Koh;Jie Zhang;Myoungsoo Jung","doi":"10.1109/LCA.2023.3243695","DOIUrl":null,"url":null,"abstract":"We propose Check0-SSD, an intelligent SSD firmware to offer the best system-level fault-tolerance without performance degradation and lifetime shortening. Specifically, the SSD firmware autonomously removes transaction checkpointing, which eliminates redundant writes to the flash backend. To this end, Check0-SSD dynamically classifies journal descriptor/commit requests at runtime and switches the address spaces between journal and data regions by examining the host's filesystem layout and journal region information in a self-governing manner. Our evaluations demonstrate that Check0-SSD can protect both data and metadata with 89% enhanced storage lifetime while exhibiting similar or even better performance compared to the norecovery SSD.","PeriodicalId":51248,"journal":{"name":"IEEE Computer Architecture Letters","volume":null,"pages":null},"PeriodicalIF":1.4000,"publicationDate":"2023-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Computer Architecture Letters","FirstCategoryId":"94","ListUrlMain":"https://ieeexplore.ieee.org/document/10041740/","RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"COMPUTER SCIENCE, HARDWARE & ARCHITECTURE","Score":null,"Total":0}
引用次数: 0
Abstract
We propose Check0-SSD, an intelligent SSD firmware to offer the best system-level fault-tolerance without performance degradation and lifetime shortening. Specifically, the SSD firmware autonomously removes transaction checkpointing, which eliminates redundant writes to the flash backend. To this end, Check0-SSD dynamically classifies journal descriptor/commit requests at runtime and switches the address spaces between journal and data regions by examining the host's filesystem layout and journal region information in a self-governing manner. Our evaluations demonstrate that Check0-SSD can protect both data and metadata with 89% enhanced storage lifetime while exhibiting similar or even better performance compared to the norecovery SSD.
期刊介绍：
IEEE Computer Architecture Letters is a rigorously peer-reviewed forum for publishing early, high-impact results in the areas of uni- and multiprocessor computer systems, computer architecture, microarchitecture, workload characterization, performance evaluation and simulation techniques, and power-aware computing. Submissions are welcomed on any topic in computer architecture, especially but not limited to: microprocessor and multiprocessor systems, microarchitecture and ILP processors, workload characterization, performance evaluation and simulation techniques, compiler-hardware and operating system-hardware interactions, interconnect architectures, memory and cache systems, power and thermal issues at the architecture level, I/O architectures and techniques, independent validation of previously published results, analysis of unsuccessful techniques, domain-specific processor architectures (e.g., embedded, graphics, network, etc.), real-time and high-availability architectures, reconfigurable systems.
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