Which action resolves the issue?

An engineer must configure Linux hosts that are deployed on Cisco UCS B-Series Servers to boot from SAN. The SAN boot policy is configured in Cisco UCS Manager, and the boot order is verified to be set as expected However, the Linux hosts fail to boot.

Which action resolves the issue?
A . Remove all of the local storage that is installed
B . Delete and reconfigure the pWWN of the SAN boot target
C . Remove all of the ISO images that are mounted as a virtual CD-ROM
D . Delete and reconfigure the boot LUN

Answer: A