It sounds line you didn’t split the Fusion Drive at the beginning. The Apple TN assumes you want to re-join the two drives into a Fusion Drive it fails to give you the commands to break it.
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It sounds like you didn’t split the Fusion Drive at the beginning. The Apple TN assumes you want to re-join the two drives into a Fusion Drive it fails to give you the commands to break it.
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Here’s a good reference: [https://www.macworld.com/article/2015664/how-to-split-up-a-fusion-drive.html|How to split up a Fusion Drive] This only works under '''High Sierra'''!
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'''Mojave''' is different! Here we need to look within Terminal for the Fusion Drive container '''''diskutil apfs list''''' and then delete the container '''''diskutil apfs deletecontainer diskX''''' where '''X''' is container which states its the Fusion drive as an example ''Container disk2 - APFS Container Reference: disk2 (Fusion)''
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'''WARNING!''' Make sure you make a full backup of your drives and reformat them afterwards and install a fresh OS install of MacOS as you will loose the recovery partition.
It sounds line you didn’t split the Fusion Drive at the beginning. The Apple TN assumes you want to re-join the two drives into a Fusion Drive it fails to give you the commands to break it.