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ZFS Boot on Recent (2019, and probably 2018) Macs
Posted:
Fri Oct 25, 2019 4:47 pmby monkeyvoodoo
I just got a new 2019 8-core Macbook booting from ZFS, and thought I'd share one caveat:
The Wiki instructions for creating the Preboot partition don't work on newer macs. What I had to do to get it working was mount the APFS Preboot volume, and rsync everything from /Volumes/Preboot/<uuid> to /Volumes/boot
Without doing this, the system always boots into the Boot Repair utility.
Re: ZFS Boot on Recent (2019, and probably 2018) Macs
Posted:
Sun Oct 27, 2019 4:09 pmby lundman
Ah, yes my VMs aren't apfs so that seems reasonable.
Re: ZFS Boot on Recent (2019, and probably 2018) Macs
Posted:
Fri Nov 01, 2019 11:45 amby monkeyvoodoo
It's not just an APFS thing. It's something specific to newer Macs. My older 2014 MacBook Pro boots just fine using only the instructions on the wiki. The firmware on the newer Macs needs some extra bits in the Preboot environment.
Re: ZFS Boot on Recent (2019, and probably 2018) Macs
Posted:
Thu Nov 07, 2019 4:56 pmby lundman
Would you mind updating the wiki with the extra steps?
Re: ZFS Boot on Recent (2019, and probably 2018) Macs
Posted:
Fri Nov 08, 2019 6:22 pmby monkeyvoodoo
Oh, hah! I had no idea I could, which is why I was posting about it here. Absolutely!
Re: ZFS Boot on Recent (2019, and probably 2018) Macs
Posted:
Fri Nov 15, 2019 4:23 pmby Markospokus
Perhaps you could also easily create tutorial along this:
https://openzfsonosx.org/forum/viewtopic.php?f=26&t=3288?
