Trying Big Sur from external boot drive question

Started 9 months ago | Discussions thread
Frits Senior Member • Posts: 1,268
Re: Trying Big Sur from external boot drive question

You will be fine to do this (clone Catalina to an external SSD and then update to Big Sur while booted on the SSDand keep Catalina on the internal drive).

I run my iMac from an external SSD since some time. I cloned the internal fusion drive onto the SSD when OSX was High Sierra and updated the SSD to Catalina when it came out.

I keep High Sierra on the fusion drive and (very) occasionally use it when I want to do something in Photoshop 6.

I have updated the SSD from Catalina to Big Sur without any issues and all works fine - including Capture One 20.

I hope this helps.

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