| Exam Code/Number: | E20-324Join the discussion |
| Exam Name: | VNX Solutions Design Exam for Technology Architects |
| Certification: | EMC |
| Question Number: | 233 |
| Publish Date: | Aug 24, 2026 |
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A customer is using a VNX with tiered storage pools. They would like to maximize capacity for their NL-SAS tier. Following EMC best practices, which RAID configuration would you recommend for this customer?
Refer to the exhibit.
You are using Analyzer Helper to review NAR files from a customer's VNX array.
Which performance issue is indicated by the graph?
A new VNX customer started to use a VNX file system as a target for their backup-to-disk system. This is then replicated using VNX Replicator to an off-site image with a max-timeout-of-sync value of 5 minutes. The customer noticed that the overall time to backup has increased from 2 hours to greater than 3 hours. This has occurred since moving to the VNX from their old Microsoft Windows system.
How can they increase performance to the same or better than the previous system?
You are doing performance analysis on a VNX5100 that is configured with three virtual pools. You determine that FAST Cache would benefit overall performance. Why are you unable to configure FAST Cache on the array?
