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G-RAID: A Green RAID Mechanism for enhancing Energy-Efficiency in Massive Storage System

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2011, 16(6), pp.21-30
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

김영환 1 석진선 2 Park changwon 2 홍지만 1

1숭실대학교
2전자부품연구원

Accredited

ABSTRACT

In the global IT market, a lot of issues for responding to various environmental regulations emerged. In case of the data centers, it is consuming huge amounts of energy to maintain. So there have been various technical attempts as Consolidation, Virtualization, Optimization to efficiently manage energy and data storage to fix the problems. In this paper, we propose a new RAID(Redundant Array of Independent Disks) mechanism which is differing the intensity of power consumption and works to provide data protection and disaster recovery(backup, mirroring etc.) to stratify multiple volumes. G-RAID minimize the power consumption and the lower of I/O performance by selecting the volume depending on the frequency of data access while classifying the power consumption between volumes in storage system. Also, it is possible that a filesystem and block map information of G-RAID is processed by basic unit which is group located in a row for the blocks to work efficiently and can minimize the performance degradation of block mapping load by the access frequency in each groups. As a result, we obtained to elevate a little bit of response time caused by block relocation work, but showed the decrease of power consumption by 38%.

Citation status

* References for papers published after 2023 are currently being built.