Can't test internal iMac Fusion drive with Blackmagic Disk Speed Test?
I was checking the read/write speeds of the external drives I use with FCP X and lastly decided to test my iMac's fusion drive.
This is the option I get to select it but when I do it says it can't be done because the drive is "Read Only".
There is no other location on the internal drive for me to select?
I get the same result with my 2012 Mac mini.
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