IBM
C4090-452 · Question #41
A customer is planning a Storwize V7000 Unified purchase to be used on an application with 75% read. 25% write, and high sequential workload. They have asked the technical specialist for advice on…
The correct answer is B. Use 24 x 1 TB NL-SAS drives using RAID 10 MDisk. See the full explanation below for the reasoning.
Question
A customer is planning a Storwize V7000 Unified purchase to be used on an application with 75% read. 25% write, and high sequential workload. They have asked the technical specialist for advice on the selection and configuration of disk for this application. Cost will be a consideration, but performance and rebuild times are of greater concern. Which of the following is the best solution for this customer?
Options
- AUse 1 TB NL-SAS drives in a 10+2 RAID 6 MDisk
- BUse 24 x 1 TB NL-SAS drives using RAID 10 MDisk
- CUse 600 GB SAS drives 15,000 RPM drives in a 7+1 RAID 5 MDisk
- DCreate a multi-tier pool using 400 GB SSD drives in a 7+1 RAID 5 MDisk and 600 GB 15,000
How the community answered
(62 responses)- A5% (3)
- B79% (49)
- C13% (8)
- D3% (2)
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