ZFS on main vol

Hi,
I'm doing this as described in docs on O3X but the command for generating prelinked kernel doesn't work (nothing prelinked gets generated), can anyone give me a hint how to do it? I'm replacing volumes' names with the ones from my installation.
Thanks
Mark
I'm doing this as described in docs on O3X but the command for generating prelinked kernel doesn't work (nothing prelinked gets generated), can anyone give me a hint how to do it? I'm replacing volumes' names with the ones from my installation.
Thanks
Mark