When following best practices, what must the solution architect consider when sizing an upgrade for an existing ECS cluster without adding additional nodes?

When following best practices, what must the solution architect consider when sizing an upgrade for an existing ECS cluster without adding additional nodes?
A . Only add drives of the same capacity within the node.
B . Replace all the drives with higher capacity drives.
C . Add different capacity drives within the node.
D . Disable data replication to free up storage space.

Answer: A