What is the minimum number of disk drives needed to meet the application’s capacity and performance requirements given a RAID 0 configuration?

An organization plans to deploy a new application in their environment. The new application requires 2 TB of storage space. During peak workloads, the application is expected to generate 9800 IOPS with a typical I/O size of 4 KB. The capacity of each available disk drive is 250 GB. The maximum number of IOPS a drive can perform at with 70 percent utilization is 90 IOPS.

What is the minimum number of disk drives needed to meet the application’s capacity and performance requirements given a RAID 0 configuration?
A . 8
B . 70
C . 110
D . 140

View Answer

Answer: C