Ryan Mikulovsky’s micro.blog

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macOS Big Sur TimeMachine and Bootable External Drives

If you have any bootable APFS containers on an external drive, macOS Big Sur will not allow you to assign any of the containers on that drive to TimeMachine. I had to delete my SuperDuper! volumes, but SuperDuper! doesn’t work yet on Big Sur anyway. Here goes another reorg of my external drives! Hope I don’t need to buy another. But dang TimeMachine on an SSD is incredibly fast.