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CLC number: TP302
On-line Access: 2023-05-31
Received: 2022-07-25
Revision Accepted: 2023-05-31
Crosschecked: 2022-11-16
Cited: 0
Clicked: 887
Citations: Bibtex RefMan EndNote GB/T7714
A survey on design and application of open-channel solid-state drives
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Junchao CHEN, Guangyan ZHANG, Junyu WEI. A survey on design and application of open-channel solid-state drives[J]. Frontiers of Information Technology & Electronic Engineering, 2023, 24(5): 637-658.
@article{title="A survey on design and application of open-channel solid-state drives",
author="Junchao CHEN, Guangyan ZHANG, Junyu WEI",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="24",
number="5",
pages="637-658",
year="2023",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2200317"
}
%0 Journal Article
%T A survey on design and application of open-channel solid-state drives
%A Junchao CHEN
%A Guangyan ZHANG
%A Junyu WEI
%J Frontiers of Information Technology & Electronic Engineering
%V 24
%N 5
%P 637-658
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%D 2023
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.2200317
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A1 - Junchao CHEN
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A1 - Junyu WEI
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%@ 2095-9184
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/FITEE.2200317
Abstract: Compared with traditional solid-state drives (SSDs), open-channel SSDs (OCSSDs) expose their internal physical layout and provide a host-based flash translation layer (FTL) that allows host-side software to control the internal operations such as garbage collection (GC) and input/output (I/O) scheduling. In this paper, we comprehensively survey research works built on OCSSDs in recent years. We show how they leverage the features of OCSSDs to achieve high throughput, low latency, long lifetime, strong performance isolation, and high resource utilization. We categorize these efforts into five groups based on their optimization methods: adaptive interface customizing, rich FTL co-designing, internal parallelism exploiting, rational I/O scheduling, and efficient GC processing. We discuss the strengths and weaknesses of these efforts and find that almost all these efforts face a dilemma between performance effectiveness and management complexity. We hope that this survey can provide fundamental knowledge to researchers who want to enter this field and further inspire new ideas for the development of OCSSDs.
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