An OceanStor 18000 Storage System Carries the VDI Service

Multiple Choice

An OceanStor 18000 storage system carries the VDI service. The read/write ratio of the front-end workload is 2:8. The customer requires 20,000 IOPS to be offered. 10k rpm SAS disks (assuming that the average seek time is 3 ms) are used, and RAID 5 is configured. In this scenario, which is the minimum number of disks that must be configured for the storage system?

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