dasjoe's zfs install

gistfile1.txt

zpool create -f -o ashift=12 -O atime=off -O canmount=off -O compression=lz4 -O mountpoint=/ -R /mnt -O normalization=formD rpool mirror /dev/sda /dev/sdb

zpool export rpool

## 4 HDDs
# for disk in a b c d; do parted -s /dev/sd$disk mkpart GRUB2 48s 2047s; parted -s /dev/sd$disk set 2 bios_grub on; done
# 2 HDDs
for disk in a b; do parted -s /dev/sd$disk mkpart GRUB2 48s 2047s; parted -s /dev/sd$disk set 2 bios_grub on; done

zpool import -d /dev/disk/by-id -R /mnt rpool

zfs create -o canmount=off -o mountpoint=none rpool/ROOT

zfs create -o canmount=noauto -o mountpoint=/ rpool/ROOT/trusty
zfs mount rpool/ROOT/trusty

zpool set bootfs=rpool/ROOT/trusty rpool

debootstrap trusty /mnt http://mirror/ubuntu