You can use esxcli iscsi information retrieval commands to list external HBA properties, information about targets, and LUNs.

You can use the following esxcli iscsi options to list iSCSI parameters. Specify one of the options listed in Connection Options for vCLI Host Management Commands in place of <conn_options>.

Run esxcli iscsi adapter firmware to list or upload the firmware for the iSCSI adapter.

esxcli <conn_options> iscsi adapter firmware get --adapter=<adapter_name>
esxcli <conn_options> iscsi adapter firmware set --file=<firmware_file_path>

The system returns information about the vendor, model, description, and serial number of the HBA.

Run commands in the esxcli iscsi adapter target name space.

esxcli iscsi adapter target portal lists and sets authentication and portal parameters.

esxcli iscsi adapter target list lists LUN information.