Abstract
A rapid growth in the storage capacity requirements at a computer center can lead to the installation of additional disk racks. The challenging task is not the installation, but to migrate old data to the new storage pools. A framework to parallelize the data migration process, using Linux clusters connected to Storage Area Network storage, is presented. A Linux tool to efficiently parallelize data migration, utilizing the High Performance Computing environment, is developed. Results show that using multiple nodes and multiple data copying streams per node achieves significant speedup factors over manual copying. The tool is demonstrated on four nodes using 178 data copying streams, achieving a speedup factor close to seven. The tool is scalable and capable of higher speedup factors with more available data moving nodes.
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