To prevent non-ESXi hosts from seeing VMFS datastores, which would be the most efficient place
to configure LUN masking?
A.
On the ESXi host
B.
On the SAN Storage Device
C.
On the non-ESXi hosts
D.
On the Fibre Channel Switch
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B.On the SAN Storage Device
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B. On the SAN Storage Device
LUN zoning is done at the hardware level and dictates what servers can talk to what LUNs. Zoning can either be done by port (hard zoning) or by WWN (soft zoning). LUN masking allows you to further restrict access between servers and LUNs and is generally done at the HBA level. There are many reasons to mask certain LUNs from being presented including performance and windows volume issues.
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