| 摘要 |
A tuning plan for a configuration of a resource of a storage system 5 is generated by acquiring configuration information of the resource of the storage system 5, and acquiring performance data of a reference value exceeding resource that is the resource having a utilization rate exceeding a preset reference value, and performance data of an analysis target resource that is a resource having a certain relationship with a reference value exceeding resource, and obtaining correlation degree between the reference value exceeding resource and the analysis target resources based on the performance data of the reference value exceeding resource and the performance data of the analysis target resources, and selecting a correlated analysis target resource that is the analysis target resource determined to have correlation with the reference value exceeding resource from the obtained correlation degree, and by calculating an average resource utilization rate of a resource group in a predetermined range on the basis of the selected correlated analysis target resource such that the average resource utilization rate becomes equal to or less than a predetermined threshold value.
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