Which two conditions are most likely to cause the error described?

A request has been made to the SAN administrator to provision a new LUN. A LUN (LUN 6) is created, and the SAN administrator presents the LUN to an ESXi host, using the storage array SAN management software. After a rescan operation on the ESXi host, the LUN fails to be recognized by the host. Other LUNs from the same storage array are visible.

Which two conditions are most likely to cause the error described? (Choose two.)

A.
The multipathing policy has been set to Fixed for the LUN.

B.
LUN masking on a range of LUNs is enabled on the ESX host, causing LUN 6 to be ignored.

C.
Zoning on the Fibre Channel switches is not configured correctly.

D.
The LUN was not presented to the correct ESXi host.

One Comment on “Which two conditions are most likely to cause the error described?

  1. Rich says:

    I’d think C & D are correct. The question only mentions ESXi hosts, while answer B is about an ESX host – which can’t be a 5.x host anyway.

    Certainly, if zoning isn’t configured right on the FO switch, the host will definitely not see the LUN.


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