What are features of VNX Snapshots?
A.
Uses redirect on first write.
Lower write performance impact.
B.
Uses copy on first write.
Supported with pool-based LUNs.
C.
Uses redirect on first write.
Supported with all LUN types.
D.
Uses copy on first write.
Does not require reserve LUN pool.
Write performance impact is improved because data is written to a new location. In SnapView technology, data was read from the source and copied to a new target before the host write was completed..
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