#MAC OS HIGH SIERRA FOR MAC MINI MAC OS X#

Side-note, when I first created the Fusion Drive, I saw no recovery partition, so I'm not so sure if it would work without doing the steps you mentioned. Input macOS high sierra or macOS mojave in the Name field, select Mac OS X in Type.

So awesome! Thanks for taking the time to detail this, people like you rock! I was feeling hopeless - then I stumbled upon this page via Google search. I realized I split up the Fusion Drive! So I rebuilt the fusion drive via the terminal, and attempted to re-install High Sierra.įailure after Failure. Well, I formatted the drives and killed the partitions, and lo' and behold, I had two drives. We had a user accidentally update to Catalina - which as you might know, partitions the physical hard drive into a system partition and user partition (for read/write security on core system files, presumably) and also kills all 32-bit apps, as they are officially unsupported on Catalina and up. Restore the machine from a Time Machine backup (NOT a fresh install).See here for details, and also see some background theory. High performance web and self-services access to virtual apps and desktops. For example if the HDD is ' disk1', the large partition is probably something like ' disk1s2'. MacOS 10.15 MacOS Big Sur 11.0.1 MacOS Big Sur 11.1 MacOS Big Sur 11.2. This copy of the lnstall macOS High Sierra application is damaged, and cant be used to Install. EXCEPT, in order to preserve the recovery partition on the new setup, do not choose the entire HDD for the Fusion terminal commands, just the large partition of it for storing data. I only see this behavior on my MacBook Pro with OS X 10.Re-create the Fusion drive using these instructions from Apple.Everything should be like a typical system, except the parts of the Fusion drive will appear as two separate disks. Boot the computer as normal and do the basic setup steps as per any new Mac.

#MAC OS HIGH SIERRA FOR MAC MINI INSTALL#

Perform a fresh macOS install onto the HDD (not SSD) so that it stays as an jhsf+ (macOS extended journaled) volume.

Split up / sever the Fusion drive by following this guide from Macworld.

Boot up from the drive by starting the computer and holding down the option key.

I used this link to download High Sierra from the App Store, then these instructions from Apple to make a bootable drive.

Create a High Sierra installation disk.

Mac os high sierra for mac mini