FileVault startup volume uuid changes

Question

rg1985 OP

Created Apr ’21

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Hi,

I enabled FileVault on macOS10.15.7. Then upgraded OS to latest Big Sur. After upgrade is completed, I observed that the startup volume UUID got changed.

In my scenario, the startup volume is Macintosh HD whose mount point is '/'. Also, it contains Data volume too because it is 10.15.x.

It is a bug or expected behaviour?

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Answer 1

DTS Engineer OP

Apple

Apr ’21

I’m pretty sure that it’s expected, caused by the switch to the signed system volume. Why do you care about this?

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