I am a fan of Alpine Linux. I accept that licensing prevents ZFS from 
being properly integrated into any Linux distribution. However, it would 
be nice to find a comprehensive how-to for ZFS that is complete, tested 
and proven to work on Alpine v3.9 .

I have been struggling with this how-to from the Alpine wiki on a 'bare 
metal' install, https://wiki.alpinelinux.org/wiki/Setting_up_ZFS_on_LUKS

I get most of the way through just fine until setup-disk complains that 
/mnt does not seem to be a mount point. Perhaps this worked some time 
ago or I am doing something completely wrong. Has anybody else used this 
how-to on v3.9 successfully? It assumes using MBR partitions when GPT 
(with EFI) are more applicable for newer hardware.

I don't need LUKS. I was just following a how-to to get any ZFS install 
on Alpine v3.9 actually working. I am trying to develop processes to do 
the following installs on Alpine v3.9:-

1. Mirrored ZFS Root
ZFS on root, 3 drives, 2 of them mirrored with 1 spare

2. ZFS Striped Mirror
ZFS for a data pool, 5 drives, 2 striped disks in set A, 2 striped disks 
in set B, mirror of A&B, 1 spare.

3. ZFS RaidZ2
ZFS for a data pool, 5 drives

I have just found this webpage written for the old hardened kernel that 
looks like it is for GPT as it creates a 'EF02' partition...
https://bit-strickerei.de/posts/alpine-zfs-root/
I will try this now.

My test rig is as simple as I can get. It has a hard drive that boots 
Alpine 3.9 (sda) and another for installing ZFS to (sdb). The LUKS 
how-to appears to suggest that the finished install will boot ZFS on 
root with the original boot drive removed. But it doesn't state this 
clearly.


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