Click on the calculator icon in the upper left corner. Refer to the exhibit. You are designing
the Symmetrix VMAX architecture for a DAS-to-SAN SQL Server migration. Currently all
user databases reside on a single locally attached disk enclosure, mounted to “M:\”. You
have decided on RAID-1 protected 15,000 RPM drives for the new SQL environment. Last
week, you configured Perfmon to record the current IOPS load. Following EMC best
practices, what is the minimum number of spindles required to satisfy the performance
needs of the database?

A.
10

B.
9

C.
18

D.
20