Dell-EMC
E10-001 · Question #67
An application requires 1.46 TB of capacity. The application generates 7200 IOPS to disks during peak workloads. The vendor indicates that a 146 GB, 15K rpm drive is capable of performing a maximum…
The correct answer is B. 40. Storage Design based on Application Requirements and Disk Drive Performance Dc = 1.46TB / 146GB Dp = 7200 iops / 180 iops Disk required = max(Dc,Dp)
Intelligent Storage Systems
Question
An application requires 1.46 TB of capacity. The application generates 7200 IOPS to disks during peak workloads. The vendor indicates that a 146 GB, 15K rpm drive is capable of performing a maximum of 180 IOPS at 70% utilization. How many disks are required to meet both the application's capacity and performance requirements?
Options
- A10
- B40
- C50
- D72
How the community answered
(56 responses)- A7% (4)
- B75% (42)
- C14% (8)
- D4% (2)
Explanation
Storage Design based on Application Requirements and Disk Drive Performance Dc = 1.46TB / 146GB Dp = 7200 iops / 180 iops Disk required = max(Dc,Dp)
Topics
#IOPS calculation#storage sizing#disk capacity planning#performance requirements
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