I tried booting off a 3-disk raidz1 pool. By default, ZFS on Linux uses a GPT label even for whole-disk pools. I've also tried overriding that and putting the zpool directly on the 3 disks.
Either way, grub-probe / is happy. grub-install /dev/sda doesn't complain (though grub-install /dev/sd[bc] fails). But when I try to boot, GRUB says "error: no such device: 451dab4c40fdb4c1." (the GUID obviously changed when I recreated the pool). One way, prefix and root use "hd0, gpt1". The other way, they use "hd0". What should I do to start debugging this? How can I enable the grub_dprintf() output? -- Richard
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