EMC Proven Professional – PowerMax Specialist — Question 4

A Unity system LUN has a daily snapshot schedule with a Retention Policy of seven days. A hardware failure results in a double fault of the LUN.
Which snapshot behavior will be experienced?

Answer options

• A. All of the snapshots will be unavailable to restore data from
• B. Data restoration is available from the oldest snapshot, all others are unavailable
• C. All of the snapshots will be available to restore data from
• D. Data restoration is available from the newest snapshot, all others are unavailable

Correct answer: D

Explanation

The correct answer is D because, in the event of a double fault, only the most recent snapshot is typically preserved and can be used for data restoration. The other snapshots would be unavailable due to the hardware failure and the nature of the snapshot retention policy.