Dell-EMC
E20-322 · Question #112
A customer has enabled MirrorView/A on their VNX arrays. Even before MirrorView/A is actively transferring data, a performance impact is noticed. What is causing this?
The correct answer is A. MirrorView/A is updating the Reserved LUN area to track data changes. See the full explanation below for the reasoning.
Question
A customer has enabled MirrorView/A on their VNX arrays. Even before MirrorView/A is actively transferring data, a performance impact is noticed. What is causing this?
Options
- AMirrorView/A is updating the Reserved LUN area to track data changes.
- BMirrorView/A software uses additional memory in the VNX storage processors, causing less
- CMirrorView/A cannot be combined with RecoverPoint in the same array.
- DMirrorView/A is using SAN Copy as underlying technique, causing the overhead.
How the community answered
(48 responses)- A71% (34)
- B17% (8)
- C8% (4)
- D4% (2)
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