A customer wants to collect performance data from a newly installed IBM System Storage DS8300 to determine if the system meets expected benchmarks using their application test data. 
Which tool best gathers the performance data（）

A company has acquired another company and is consolidating data centers. During the consolidation， half of the users of a business-critical application lost access. The users who maintained access experienced slow performance. 
What is the first action the SAN/storage administrator should take to determine the source of the problem（）