A new LUN is added to a mission critical host from the storage array on which the host is currently already accessing 2 LUNS; which of the following is the FIRST step required to utilize the new LUN?

A.
Change the zoning to allow the host to see the new LUN.

B.
Initiate a rescan from the host.

C.
Initiate a Name Server update.

D.
Reboot the host.