The VSAN that is created here does not need to be a new VSAN. It is a new FICON VSAN. When a new FICON VSAN is created, static (insistent) domain IDs, in-order delivery, and fabric binding must be enabled so the FICON VSAN can operate. When you enable the FICON feature in Cisco MDS switches, the following apply:
If you specify an existing VSAN with operational traffic to be used for the FICON VSAN, the traffic will be disrupted. In this case, a warning message is displayed before you create the FICON VSAN.
To create a FICON VSAN, perform this procedure:
The FICON VSANs/Files configuration dialog is displayed.
The Create FICON VSANs dialog is displayed.