A customer has a 10GB volume with an 8GB LUN that is using 7GB. The snapshot policy is hourly and retains 48 snapshots. After a ransomware attack that encrypts all files on the LUN, the customer…

The correct answer is A. Snapshot autodelete. The likely cause for the disappearance of all snapshots after a ransomware attack that encrypted all files on the LUN is the Snapshot autodelete feature. When the volume becomes full due to the encryption, the autodelete feature removes older snapshots to free up space…

ONTAP SAN Solutions Troubleshooting

Question

A customer has a 10GB volume with an 8GB LUN that is using 7GB. The snapshot policy is hourly and retains 48 snapshots. After a ransomware attack that encrypts all files on the LUN, the customer notices that all snapshots are gone. What could cause this behavior?

Options

ASnapshot autodelete
BAggregate overcommitted
CVolume thinly provisioned
DAutonomous Ransomware Protection

How the community answered

(39 responses)

A
59% (23)
B
10% (4)
C
26% (10)
D
5% (2)

Explanation

The likely cause for the disappearance of all snapshots after a ransomware attack that encrypted all files on the LUN is the Snapshot autodelete feature. When the volume becomes full due to the encryption, the autodelete feature removes older snapshots to free up space, preventing the volume from running out of space and ensuring write operations can continue.

Topics

#snapshot autodelete#ransomware recovery#space management#volume overcommit

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