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Booting with a multidisk pool?

PostPosted: Tue Feb 23, 2021 7:01 am
by leeb
I have a last old MP5,1 still getting nursed along for another year or two, and just went through the involved process of updating it from 10.12 to 10.14. Mojave eliminated the ability to boot macOS off a native raid (why Apple!?), which made me poke at booting off ZFS. I assume that EFI and "Boot OS X" can only ever point to a single disk, but assuming a second disk was made with an identical partition scheme, could both slices be used for an rpool mirror?