You have configured iSCSi on Host by completing these tasks:
You noticed that the LUN you assigned is not showing up in ESX.
In the vSphere Client ---> Host --> Configure --> Storage Adapters --> Devices and Paths are empty
Example:
You have not configured a VMKernel Port dedicated for iSCSI and/or have not assigned it to the Storage Adapter. As a result "Network Port Binding" is empty.
Example:
You can check your existing VMKernel Ports by looking here: