mkfs.ext2 /dev/sda1
cryptsetup luksFormat -l 512 -c aes-xts-plain64 
ha512 /dev/sda2
cryptsetup luksOpen /dev/sda2 cryptroot
zpool create -f -o ashift=12 -o cachefile= -m none -R /mnt/gentoo rpool /dev/mapper/cryptroot

zfs create -o mountpoint=none -o compression=on rpool/ROOT
# Root Filesystem
zfs create -o mountpoint=/ rpool/ROOT/rootfs
zfs create -o mountpoint=/opt rpool/ROOT/rootfs/OPT
zfs create -o mountpoint=/usr rpool/ROOT/rootfs/USR
zfs create -o mountpoint=/var rpool/ROOT/rootfs/VAR
# Portage
zfs create -o mountpoint=none rpool/GENTOO
zfs create -o mountpoint=/usr/portage rpool/GENTOO/portage
zfs create -o mountpoint=/usr/portage/distfiles -o compression=off rpool/GENTOO/distfiles
zfs create -o mountpoint=/usr/portage/packages -o compression=off rpool/GENTOO/packages
# Home Directories
zfs create -o mountpoint=/home rpool/HOME
zfs create -o mountpoint=/root rpool/HOME/root

wget ftp://gentoo.osuosl.org/pub/gentoo/releases/amd64/autobuilds/current-stage3-amd64-hardened/stage3-amd64-hardened-*.tar.bz2
tar -xf /mnt/gentoo/stage3-amd64-hardened-*.tar.bz2 -C /mnt/gentoo

mkdir -p /mnt/gentoo/etc/zfs
cp /etc/zfs/zpool.cache /mnt/gentoo/etc/zfs/zpool.cache
cp /etc/zfs/zdev.conf /mnt/gentoo/etc/zfs/zdev.conf
mount -t proc none /mnt/gentoo/proc
mount --rbind /dev /mnt/gentoo/dev
chroot /mnt/gentoo /bin/bash
env-update
source /etc/profile
export PS1="(chroot) $PS1"