How can the update to MSA2050 be performed?

A customer currently runs MSA 2040 SAS storage system with SFF drives. They are planning a hardware refresh. The customer is using virtual pools only, and is concerned about problematic data migration to the new platform.

How can the update to MSA2050 be performed?
A . Peer migration license must be purchased for the online migration
B . Peer migration license must be purchased for the offline migration
C . Existing drives can be moved to the new system; both systems need to be online
D . Existing drives can be moved to the new system; both systems need to be offline

Answer: B