MS-RAID: An energy-saving data layout for CDP

Jingyu Liu, Ziyao Zhang, Lu Liu*, Xin Chai

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Continuous data protection (CDP) provides unlimited granular recovery point objective (RPO) and nearly instant recovery time objective (RTO). It requires a great fluctuations in the performance of storage system. The system requires higher storage bandwidth when it is active, and lower when inactive. Raid, that is used in storage system normally and provides fixed performance, may face a performance bottleneck or high power consumption. This paper proposes MS-RAID, that bases on S-Raid and can provide multi-level dynamic mapping storage scheme. MS-RAID has vary levels of grouping strategies. MS-RAID can meet the needs of real-time dynamic load by changing the number of parallel disks. When the throughput rises, MS-RAID turns the high-level disk group into running to avoid the bottleneck of system performance. When the throughput falls, MS-RAID turns the low-level disk group into running to save energy consumption. Experiments show that MS-RAID is a more energy-efficient data layout, and can save more energy consumption and improve then performance than S-RAID.

Original languageEnglish
Title of host publicationAlgorithms and Architectures for Parallel Processing - 18th International Conference, ICA3PP 2018, Proceedings
EditorsJaideep Vaidya, Jin Li
PublisherSpringer Verlag
Pages132-141
Number of pages10
ISBN (Print)9783030050566
DOIs
Publication statusPublished - 2018
Event18th International Conference on Algorithms and Architectures for Parallel Processing, ICA3PP 2018 - Guangzhou, China
Duration: 15 Nov 201817 Nov 2018

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume11336 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference18th International Conference on Algorithms and Architectures for Parallel Processing, ICA3PP 2018
Country/TerritoryChina
CityGuangzhou
Period15/11/1817/11/18

Keywords

  • CDP
  • Data layout
  • Energy-saving
  • RAID
  • Storage

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