Dell-EMC
E20-885 · Question #143
A healthcare company uses MirrorView replication between VNX located at their two data centers. They use the Write Intent Log (WIL) feature on both VNX. There was an outage at the production data…
The correct answer is D. The WIL information is non-relevant after the MirrorView secondary images have been promoted. See the full explanation below for the reasoning.
Question
A healthcare company uses MirrorView replication between VNX located at their two data centers. They use the Write Intent Log (WIL) feature on both VNX. There was an outage at the production data center and production workload was transferred to the DR data center. When then production workload was failed back to the production data center, the customer found all MirrorView LUNs completed a full re-synchronization. What caused this situation?
Options
- AThe WIL information is stored on the SP Cache and was lost during the outage of the production
- BThe WIL information was lost during the production data center outage and a full re-
- CThe WIL information was not transferred from the production data center to the DR data center
- DThe WIL information is non-relevant after the MirrorView secondary images have been promoted
How the community answered
(30 responses)- A3% (1)
- B13% (4)
- C7% (2)
- D77% (23)
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