DiskGroup: Energy Efficient Disk Layout for RAID1 Systems

@article{Lu2007DiskGroupEE,
  title={DiskGroup: Energy Efficient Disk Layout for RAID1 Systems},
  author={Lanyue Lu and Peter J. Varman and Jun Wang},
  journal={2007 International Conference on Networking, Architecture, and Storage (NAS 2007)},
  year={2007},
  pages={233-242}
}
Energy consumption is becoming an increasingly important issue in storage systems, especially for high performance data centers and network servers. In this paper, we introduce a family of energy-efficient disk layouts that generalize the data mirroring of a conventional RAID 1 system. The scheme called DiskGroup distributes the workload between the primary disks and secondary disks based on the characteristics of the workload. We develop an analytic model to explore the design space and… CONTINUE READING
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