You review a Perfmon log that contains several days worth of data for a customer’s SQL Server
database LUN. The log contains both read and write I/O per second collected at 3-minute
intervals.

What method should you use to determine the correct I/O per second target number for calculating
the number of RAID corrected spindles?

A.
75th percentile

B.
Overall Peak

C.
Overall Average

D.
90th percentile