What should be explained to the customer?

A customer has an IBM TS7760 in one data center and is nearing the default limit of 1 million logical volumes defined. The customer is now installing a second IBM TS7760 and creating a two-way grid.

The customer states that it does not need to purchase any more logical volume feature codes because the new cluster in the second data center provides another 1 million volumes once the grid is enabled.

What should be explained to the customer?
A . Adding grid members does not increase the number of logical volumes available without purchasing additional features.
B . Once any grid is implemented with latest code levels, there are 4 million logical volumes available default
C . The 2 million logical volumes will be made available only after running a full copy refresh.
D . The extra logical volumes are defined for contingency even though there will be twice as many available volumes.

Answer: A