Fabric OS firmware download failed with error: FMS Mode is being used outside FICON Logical switch
Applies to
Brocade Fibre Channel (FC) switches
Issue
When upgrading Fabric OS from FOS v8.2.2c to v9.0.1b4, firmware download failed with below error.
switch:admin>firmwaredownload
Please address the following before downloading the specified firmware:
FMS Mode is being used outside FICON Logical switch. FICON devices will not attach to non-FICON logical switches. To convert FICON Logical switches, please use"lscfg --change <FID> -ficon" FID(s) 100.