What are my options to replace a dead Fusion Drive?
Hello everyone, I currently have a 2019 iMac 27" with a Fusion Drive. One day it quit on me and now I cannot boot at all, and only see a "circle with slash" error. I've gone into recovery and Disk Utility does not properly detect my HDD from what it looks like. I've also tried to reconnect the fusion drives but it provides an error saying that I only have one drive. After some research, I have come across the below solutions,
- Replace the internal HDD with a large SSD. This is my preferred solution, but I would also like to disable the SSD cache drive. I believe having just the one SSD will be more than enough for me. Is it possible to disable the SSD cache without physically removing it?
- Booting from an external drive. Second preferred method. I don't mind having an external connected. Would a USB3+SSD combo suffice for this or should I be looking at Thunderbolt+NVMe? Also, would the (possibly) 2 failing internal drives have any affects on my system?
- Replacing the HDD and SSD. If I have to I can go this route. Though if I did this, could I JUST replace the SSD blade with a larger capacity one, and have that do all of the work? It would at least save me some effort and cost to buying 2 drives and also various adapter kits, etc
Any help is greatly appreciated! Please let me know if there's any more information I can provide. I'm currently toying with recovery mode, and am going to try installing macOS onto an extra external SSD that I have, just to see how it goes or if it's even possible
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