Dell-EMC
E20-885 · Question #50
A customer requests a performance review of their EMC VNX before FAST Cache is implemented. You notice a dedicated LUN has a read size of 4 KB, and the disks are performing reads of 4 KB and 16 KB…
The correct answer is B. Pre-fetching. See the full explanation below for the reasoning.
Question
A customer requests a performance review of their EMC VNX before FAST Cache is implemented. You notice a dedicated LUN has a read size of 4 KB, and the disks are performing reads of 4 KB and 16 KB. What is causing this behavior?
Options
- ACoalescing
- BPre-fetching
- CFlushing
- DPromotion
How the community answered
(55 responses)- A2% (1)
- B85% (47)
- C9% (5)
- D4% (2)
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