Run the High Sierra installer and upgrade your system to High Sierra.
IMPORTANT: If you have a SoftRAID RAID 4 or RAID 5 volume, disconnect all disks associated with it before proceeding.
Go to System Preferences → 'Startup Disk' and select your new cloned volume to be the startup disk.
Run your cloning application and clone your system to the external disk.
Now restart your computer, making sure no applications are running.
Select the external disk in the left column and "Erase.".
Run Disk Utility and follow these Disk Utility steps:.
(If your startup volume has too much data for a single disk to hold, you can copy large files off line, so your startup volume is a manageable size.)
Connect an external disk to your computer, large enough to contain your boot volume.
IMPORTANT: If you have a RAID 4 or 5 volume, you will need to disconnect those disks before running the High Sierra installer!
Volume cloning software, i.e, SuperDuper, Carbon Copy Cloner, Chronosync etc.
Clone your new updated system back to your SoftRAID volume.
Upgrade to High Sierra onto that volume.
Clone your existing volume to a non RAID Apple volume.
We are actively working with Apple engineering to resolve these issues.
High Sierra's installer can trigger a kernel panic on SoftRAID RAID 4/5 volumes.
Softraid sierra disk tools install#
High Sierra's installer will not directly install onto a SoftRAID volume.
High Sierra's installer will not directly install onto an Apple RAID volume.
Note: 10.13.2 also seems to be limited to Apple standard volumes, so even if you have High Sierra already installed, if the updater refuses to run, you may need to follow the below instructions.
This post will help users who startup from a SoftRAID volume to upgrade to High Sierra