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What should I do if I split my Fusion Drive?
Use Terminal to create a Fusion Drive again. These steps permanently delete all data stored on the drives that make up your Fusion Drive. Make sure that you have a backup before continuing. 1. Turn on your Mac and immediately hold down Command-R or Option-Command-R to start up from macOS Recovery.
Where do I find the Fusion Drive identifier?
When you see the macOS Utilities window, choose Utilities > Terminal from the menu bar. Type diskutil list in the Terminal window, then press Return. Terminal displays a table of data about your drives. In the IDENTIFIER column, find the identifier for each of the two internal, physical drives that make up your Fusion Drive.
How big of a flash drive does a fusion drive need?
One of them should be labeled Flash Storage, with a capacity of 24GB, 32GB, or 128GB. The other should be at least 1TB. These steps permanently delete all data stored on the drives that make up your Fusion Drive.
Why is my Fusion Drive not working on my iMac?
Here’s how to fix it. Fusion Drive, a storage option on some iMac and Mac mini computers, combines a hard drive and flash storage in a single volume for improved performance and storage capacity. If your Fusion Drive appears as two drives instead of one in the Finder, it’s no longer working as a Fusion Drive.
How big does a fusion drive need to be?
In the IDENTIFIER column, find the identifier for each of the two internal, physical drives that make up your Fusion Drive. Usually the identifiers are disk0 and disk1. One of them should be 128GB or less in size. The other at least 1TB in size.
How do I delete data from my Fusion Drive?
These steps permanently delete all data stored on the drives that make up your Fusion Drive. Make sure that you have a backup before continuing. Turn on your Mac, then immediately press and hold Command-R to start up from macOS Recovery .
How do I restart my Mac from Fusion Drive?
Your Mac restarts from your Fusion Drive when done. Turn on your Mac, then immediately press and hold Command-R to start up from macOS Recovery . Release the keys you see the Apple logo or spinning globe. When you see the macOS Utilities window, choose Utilities > Terminal from the menu bar.