RAID Group 0 which is 500GB has two LUNs of size 100GB and 250GB respectively. The storage administrator has a request to create another 150GB LUN. The attempted LUN creation fails with an error indicating “LUN size entered is invalid.” What is most likely the problem?

A.
The RAID group is in transition

B.
The RAID group requires defragmentation

C.
There is a failed component in the RAID group

D.
The cache vault has consumed a portion of the free 150GB