Upgrading Brocade SAN switches in single mode

When upgrading firmware on a Brocade SAN switch in some circumstances you may be required to upgrade the firmware in single mode, this is particular common in receiving a new device and requiring to upgrade to the latest firmware versions without having to worry about the migration path being disruptive.

This can be performed from the Fabric OS CLI as below, and answering the prompts provided.

firmwareupgrade -s 

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