research-article

Disaggregated RAID Storage in Modern Datacenters

Authors:

Xin JinAuthors Info & Claims

ASPLOS 2023: Proceedings of the 28th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 3

Pages 147 - 163

https://doi.org/10.1145/3582016.3582027

Published: 25 March 2023 Publication History

Abstract

RAID (Redundant Array of Independent Disks) has been widely adopted for decades, as it provides enhanced throughput and redundancy beyond what a single disk can offer. Today, enabled by fast datacenter networks, accessing remote block devices with acceptable overhead (i.e. disaggregated storage) becomes a reality (e.g., for serverless applications). Combining RAID with remote storage can provide the same benefits while creating better fault tolerance and flexibility than its monolithic counterparts. The key challenge of disaggregated RAID is to handle extra network traffic generated by RAID, which can consume a vast amount of NIC bandwidth. We present dRAID, a disaggregated RAID system that achieves near-optimal read and write throughput. dRAID exploits peer-to-peer disaggregated data access to reduce bandwidth consumption in both normal and degraded states. It employs non-blocking multi-stage writes to maximize inter-node parallelism, and applies pipelined I/O processing to maximize inter-device parallelism. We introduce bandwidth-aware reconstruction for better load balancing. We show that dRAID provides up to 3× bandwidth improvement. The results on a lightweight object store show that dRAID brings 1.5×-2.35× throughput improvement on various workloads.

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Cited By

Kim MJeong SKim JEeckhout LSmaragdakis GLiang KSampson AKim MRossbach C(2025)ZRAID: Leveraging Zone Random Write Area (ZRWA) for Alleviating Partial Parity Tax in ZNS RAIDProceedings of the 30th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 110.1145/3669940.3707248(1151-1165)Online publication date: 30-Mar-2025
https://dl.acm.org/doi/10.1145/3669940.3707248
Yi SPan XLi QLi QWang CMao BJung MZhang JBagchi SZhang Y(2024)ScalaAFAProceedings of the 2024 USENIX Conference on Usenix Annual Technical Conference10.5555/3691992.3692001(141-156)Online publication date: 10-Jul-2024
https://dl.acm.org/doi/10.5555/3691992.3692001
Yi SSun SPeng LSun YYang MCao ZLi QJung MZhou KZhang JWitchel EArpaci-Dusseau ARossbach CKeeton K(2024)BIZA: Design of Self-Governing Block-Interface ZNS AFA for Endurance and PerformanceProceedings of the ACM SIGOPS 30th Symposium on Operating Systems Principles10.1145/3694715.3695953(313-329)Online publication date: 4-Nov-2024
https://dl.acm.org/doi/10.1145/3694715.3695953
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Index Terms

Disaggregated RAID Storage in Modern Datacenters
1. Hardware
  1. Communication hardware, interfaces and storage
    1. External storage
2. Information systems
  1. Information storage systems
    1. Storage management

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cover image ACM Conferences

ASPLOS 2023: Proceedings of the 28th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 3

March 2023

820 pages

ISBN:9781450399180

DOI:10.1145/3582016

General Chair:
Tor M. Aamodt
University of British Columbia, Canada
,
Program Chairs:
Natalie Enright Jerger
University of Toronto, Canada
,
Michael Swift
University of Wisconsin-Madison, USA

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Published: 25 March 2023

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the National Key Research and Development Program of China award
the National Natural Science Foundation of China award
the National Natural Science Fund for the Excellent Young Scientists Fund Program (Overseas) award
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Cited By

Kim MJeong SKim JEeckhout LSmaragdakis GLiang KSampson AKim MRossbach C(2025)ZRAID: Leveraging Zone Random Write Area (ZRWA) for Alleviating Partial Parity Tax in ZNS RAIDProceedings of the 30th ACM International Conference on Architectural Support for Programming Languages and Operating Systems, Volume 110.1145/3669940.3707248(1151-1165)Online publication date: 30-Mar-2025
https://dl.acm.org/doi/10.1145/3669940.3707248
Yi SPan XLi QLi QWang CMao BJung MZhang JBagchi SZhang Y(2024)ScalaAFAProceedings of the 2024 USENIX Conference on Usenix Annual Technical Conference10.5555/3691992.3692001(141-156)Online publication date: 10-Jul-2024
https://dl.acm.org/doi/10.5555/3691992.3692001
Yi SSun SPeng LSun YYang MCao ZLi QJung MZhou KZhang JWitchel EArpaci-Dusseau ARossbach CKeeton K(2024)BIZA: Design of Self-Governing Block-Interface ZNS AFA for Endurance and PerformanceProceedings of the ACM SIGOPS 30th Symposium on Operating Systems Principles10.1145/3694715.3695953(313-329)Online publication date: 4-Nov-2024
https://dl.acm.org/doi/10.1145/3694715.3695953
Suresh VMishra BJing YZhu ZJin NBlock CMantovani PGiri DZuckerman JCarloni LAdve S(2024)Mozart: Taming Taxes and Composing Accelerators with Shared-MemoryProceedings of the 2024 International Conference on Parallel Architectures and Compilation Techniques10.1145/3656019.3676896(183-200)Online publication date: 14-Oct-2024
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Lin HLuo JLi JSha ZCai ZShi YLiao J(2024)Fast Online Reconstruction for SSD-Based RAID-5 Storage SystemsIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2023.334803343:6(1886-1899)Online publication date: Jun-2024
https://doi.org/10.1109/TCAD.2023.3348033
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https://doi.org/10.1109/SP54263.2024.00201

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