Dell-EMC
E20-326 · Question #42
An existing TimeFinder customer migrated from a DMX-3 running Enginuity 5771 to a new VMAX array. They ask you to explain how the TimeFinder/Clone Copy on First Write (COFW) mechanism on the new…
The correct answer is A. The VMAX array uses asynchronous COFW and the DMX-3 array uses synchronous COFW. See the full explanation below for the reasoning.
Question
An existing TimeFinder customer migrated from a DMX-3 running Enginuity 5771 to a new VMAX array. They ask you to explain how the TimeFinder/Clone Copy on First Write (COFW) mechanism on the new VMAX array differs from their DMX-3 array. What do you tell the customer?
Options
- AThe VMAX array uses asynchronous COFW and the DMX-3 array uses synchronous COFW.
- BBoth the VMAX and DMX-3 arrays use synchronous COFW.
- CThe VMAX array uses synchronous COFW and the DMX-3 array uses asynchronous COFW.
- DBoth the VMAX and DMX-3 array use asynchronous COFW.
How the community answered
(55 responses)- A80% (44)
- B11% (6)
- C4% (2)
- D5% (3)
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