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Consideration of disk segmentation and disk sequencing for efficient use of disk resource on heterogeneous disk environment

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3 Author(s)
Kataigi, M. ; Tokyo Institute of Technology, Japan ; Kobayashi, D. ; Yokota, H.

Recently, it is needed to have high performance and use capacity efficiently at the same time on the heterogeneous disk environment. But it is difficult to do so because the performance and capacity of each disk are different. We think to extend AOD method for this aim. This method uses the difference of access load between primary data and backup data and balance access load and data amount simultaneously on the homogeneous environment. In this paper, we consider to maximize usable capacity by the position of backup and the disk sequencing. Furthermore, we arrange the primary data in order to balance the performance based on its Bandwidth to Space Ratio.

Published in:

Digital Information Management, 2007. ICDIM '07. 2nd International Conference on  (Volume:2 )

Date of Conference:

28-31 Oct. 2007