Fabric OS firmware download failed with error: FMS Mode is being used outside FICON Logical switch
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Brocade Fibre Channel (FC) switches
When upgrading Fabric OS from FOS v8.2.2c to v9.0.1b4, firmware download failed with below error.
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.