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Data Placement And Migration Strategies For Virtualised Data Storage Systems

Henry Bond, Nicholas J. Dingle, Felipe Franciosi, Peter G. Harrison, William J. Knottenbelt

Conference or Workshop Paper
23rd Annual European Simulation and Modelling Conference (ESM 2009)
October, 2009

This paper details a simulation intended to explore the viability of storage systems where data is placed intelligently depending on data-specific quality of service requirements and the characteristics of the underlying storage devices. Our implementation provides a framework for the automatic profiling of a virtualised storage system, specification of data-level quality of service requirements, simulation of data streams acting on the storage system and visualisation of the results. We demonstrate that an intelligent data placement algorithm can achieve a good match between desired and offered storage system quality of service.

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