IBM
C4090-451 · Question #133
A customer wants to deploy a 6 TB database using Storwize V7000. The exhibit shows the Disk Magic model that was created to predict the performance. When the system was deployed the service times at…
The correct answer is B. Disk Magic Used Capacity was understated in the model. See the full explanation below for the reasoning.
Question
A customer wants to deploy a 6 TB database using Storwize V7000. The exhibit shows the Disk Magic model that was created to predict the performance. When the system was deployed the service times at different IOPS were consistently longer than forecasted by Disk Magic. What might cause this situation?
Options
- ADisk Magic defaults to Easy Tier enabled
- BDisk Magic Used Capacity was understated in the model
- CActual performance will increase over time as the cache warms up
- DDisk Magic is a marketing tool so it always overestimates performance
How the community answered
(29 responses)- A7% (2)
- B79% (23)
- C10% (3)
- D3% (1)
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