The Oceanstro 18000 Hosts the VDI Service with 20% and 80

Multiple Choice

The Oceanstro 18000 hosts the VDI service with 20% and 80% of the front-end load read and write workload respectively, which requires 20000 IOPS for the business. Choose 10K RPM SAS hard disk (assuming the average time to find 3ms) using RAID5.  In this scenario, the minimum storage system hard drive configuration required is:

A) 600
B) 408
C) 387
D) 550