A customer has just added additional workload to their IBM System Storage DS5300. They do notfeel they are achieving the performance they expected. Which of the following will provide thecustomer with the most complete historical view of their current DS5300 system performance？（）
- ADisk Magic
- BCapacity Magic
- CTivoli Storage Productivity Center for Data
- DTivoli Storage Productivity Center for Disk - Midrange Editio