6 Raid-0 setup updated to (not clean install) MacOS High Sierra 10. I did the Sierra upgrade on a couple of MacPros 4,1 and it has worked excellently, after I did a firmware update patch to get it to read as a MacPro 5,1, so I am very optimistic on doing it again. They still have no solution to this problem.
Why OWC need Apple to resolve this is a mystery to me.
Install macOS High Sierra to your non-startup drive Launch the Installer from the Applications folder and press Continue. _ Cannot install high sierra on apple raidĬannot install high sierra on apple raid Once High Sierra is installed you have control over Siri: Go to Apple menu > System Preferences > Siri to enable (tick) or disable (untick) Siri Once you create a bootable High Sierra USB installer, it’s time to install your macOS.
