Since I've got zero experience with fusion drives, and the command was written before there were fusion drives, let's start at square one with the results of running
Code:
diskutil list
in Terminal.
More: Just to be on the safe side, I"ll remind you to edit out your name.
The new Great Equalizer is the SEND button.
In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire