In this scenario, which statement is correct?

You are operating a NetApp AFF system. You are creating Snapshot copies on all volumes every four hours. You keep the copies for 30 days. You also have StorageGRID installed with available capacity. You are running out of disk space and want to free up space in the most cost effective way without losing any Snapshot copies.

In this scenario, which statement is correct?
A . Add additional SSDs to your aggregates.
B . Add a tape library and copy the Snapshot copies to it every day.
C . Deactivate Snapshot copies on all volumes.
D . Add an external capacity tier to your aggregates and set the tiering policy to snapshot-only.

Answer: A