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A couple of install scripts/commands used while installing Manjaro linux with a ZFS root.
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Manjaro ZFS.md

A couple of install scripts/commands used while installing Manjaro linux with a ZFS root.

For Manjaro specific options:

But mostly following:

Setup Live System Dependencies

We'll need to be root for all this:

sudo -i

Initialize the live environment:

pamac install --no-upgrade linux610-zfs zfs-utils
modprobe zfs

Setup Install Config

Start by setting up the environment.

Important

Make sure the BOOT_DISK and POOL_DISK are set appropriately. The POOL paths are just preference.

zgenhostid -f 0x00bab10c

source /etc/os-release
export ID

export BOOT_DEVID="nvme-Samsung_SSD_980_PRO_1TB_S5P2NG0R902580J"
export POOL_DEVID="${BOOT_DEVID}"

export BOOT_DISK="/dev/disk/by-id/${BOOT_DEVID}"
export POOL_DISK="/dev/disk/by-id/${POOL_DEVID}"

export BOOT_PART="1"
export POOL_PART="2"

export BOOT_DEVICE="${BOOT_DISK}-part${BOOT_PART}"
export POOL_DEVICE="${POOL_DISK}-part${POOL_PART}"

export POOL=system
export POOL_ROOT="${POOL}/root"
export POOL_OS="${POOL_ROOT}/${ID}"
export POOL_HOME="${POOL}/home"

Setup Devices

Warning

This will clear the provided partitions.

If the disk is not yet partitioned for ZFS, run the following:

zpool labelclear -f "$POOL_DISK"

wipefs -a "$POOL_DISK"
wipefs -a "$BOOT_DISK"

sgdisk --zap-all "$POOL_DISK"
sgdisk --zap-all "$BOOT_DISK"

sgdisk -n "${BOOT_PART}:1m:+512m" -t "${BOOT_PART}:ef00" "$BOOT_DISK"

sgdisk -n "${POOL_PART}:0:-10m" -t "${POOL_PART}:bf00" "$POOL_DISK"

Update device symlinks

udevadm trigger

Create the zpool:

zpool create -f -o ashift=12 \
 -O compression=lz4 \
 -O acltype=posixacl \
 -O xattr=sa \
 -O relatime=on \
 -o autotrim=on \
 -m none $POOL "${POOL_DEVICE}"

zfs create -o mountpoint=none ${POOL_ROOT}
zfs create -o mountpoint=/ -o canmount=noauto ${POOL_OS}
zfs create -o mountpoint=/home ${POOL_HOME}

zpool set bootfs=${POOL_OS} ${POOL}

Set the linux kernel command-line arguments. This applies to all datasets under POOL_ROOT. Adjust as necessary.

zfs set org.zfsbootmenu:commandline="quiet rhgb systemd.show_status=1 splash driver=nonfree nouveau.modeset=0 i915.modeset=1" ${POOL_ROOT}

Move pool to temporary mount point:

zpool export "${POOL}"
zpool import -N -R /mnt "${POOL}"
zfs mount "${POOL_OS}"
zfs mount "${POOL_HOME}"

Verify that everyting is mounted correctly:

mount | grep /mnt

This should should show the two datasets mounted in /mnt.

Update device symlinks

udevadm trigger

Install Manjaro

Install Manjaro using Gnome, Nvidia drivers, and a few extra tools:

basestrap /mnt \
	acpi \
	acpid \
	adw-gtk-theme \
	amd-ucode \
	archlinux-appstream-data \
	archlinux-keyring \
	b43-fwcutter \
	base \
	bibata-cursor-theme \
	btrfs-progs \
	cpupower \
	cronie \
	cryptsetup \
	device-mapper \
	diffutils \
	dmidecode \
	dmraid \
	dnsmasq \
	dosfstools \
	e2fsprogs \
	ecryptfs-utils \
	efibootmgr \
	evince \
	exfatprogs \
	f2fs-tools \
	file-roller \
	firefox \
	fprintd \
	gdm \
	glibc-locales \
	gnome-backgrounds \
	gnome-browser-connector \
	gnome-calculator \
	gnome-calendar \
	gnome-clocks \
	gnome-control-center \
	gnome-disk-utility \
	gnome-firmware \
	gnome-logs \
	gnome-shell \
	gnome-shell-extensions \
	gnome-system-monitor \
	gnome-terminal \
	gnome-text-editor \
	gnome-themes-extra \
	gnome-tour \
	gnome-tweaks \
	gnome-user-docs \
	gnome-weather \
	grub \
	grub-theme-manjaro \
	gvfs \
	htop \
	ibus \
	inetutils \
	install-grub \
	intel-ucode \
	inxi \
	jfsutils \
	kvantum-manjaro \
	less \
	lib32-nvidia-utils \
	linux610 \
	linux610-nvidia \
	linux610-zfs \
	linux-api-headers \
	linux-firmware \
	linux-firmware-whence \
	linux-meta-zfs \
	logrotate \
	lollypop \
	lvm2 \
	man-db \
	manjaro-application-utility \
	manjaro-base-skel \
	manjaro-browser-settings \
	manjaro-gnome-backgrounds \
	manjaro-gnome-settings \
	manjaro-hello \
	manjaro-release \
	manjaro-settings-manager \
	manjaro-settings-manager-notifier \
	manjaro-system \
	manjaro-zsh-config \
	man-pages \
	mdadm \
	memtest86+ \
	memtest86+-efi \
	mesa-utils \
	mhwd \
	mhwd-db \
	mhwd-nvidia \
	mhwd-nvidia-390xx \
	mhwd-nvidia-470xx \
	mkinitcpio-openswap \
	nano \
	nano-syntax-highlighting \
	nautilus \
	nautilus-empty-file \
	networkmanager \
	nfs-utils \
	noto-fonts \
	ntfs-3g \
	nvidia-settings \
	nvidia-utils \
	openresolv \
	os-prober \
	pamac-gnome-integration \
	pamac-gtk \
	papirus-maia-icon-theme \
	perl \
	plymouth-theme-manjaro \
	qt5ct \
	qt6ct \
	reiserfsprogs \
	rsync \
	s-nail \
	sof-firmware \
	sudo \
	sushi \
	sysfsutils \
	texinfo \
	tmux \
	totem \
	tracker3-miners \
	tree \
	ttf-dejavu \
	ttf-droid \
	ttf-hack \
	ttf-liberation \
	update-grub \
	usbutils \
	util-linux \
	util-linux-libs \
	vi \
	vim \
	wget \
	which \
	wireless-regdb \
	wpa_supplicant \
	xdg-user-dirs-gtk \
	xfsprogs \
	xorg-server \
	zfs-utils \

Apply the desktop-overlay to the install.

git clone https://gitlab.manjaro.org/profiles-and-settings/iso-profiles.git
rsync -av iso-profiles/manjaro/gnome/desktop-overlay/ /mnt

Copy a few local files:

cp -L /etc/resolv.conf /mnt/etc
cp /etc/hostid /mnt/etc

Chroot into the system:

manjaro-chroot /mnt /bin/bash

Reload environment:

source /etc/os-release
export ID

export BOOT_DEVID="nvme-Samsung_SSD_980_PRO_1TB_S5P2NG0R902580J"
export POOL_DEVID="${BOOT_DEVID}"

export BOOT_DISK="/dev/disk/by-id/${BOOT_DEVID}"
export POOL_DISK="/dev/disk/by-id/${POOL_DEVID}"

export BOOT_PART="1"
export POOL_PART="2"

export BOOT_DEVICE="${BOOT_DISK}-part${BOOT_PART}"
export POOL_DEVICE="${POOL_DISK}-part${POOL_PART}"

export POOL=system
export POOL_ROOT="${POOL}/root"
export POOL_OS="${POOL_ROOT}/${ID}"
export POOL_HOME="${POOL}/home"

Modify the /etc/mkinitcpio.conf file. First add zfs to MODULES:

MODULES=(zfs)

Add zfs after keyboard and before filesystem in HOOKS. You can remove fsck if you don’t have non-zfs filesystems. Also can remove keymap and consolefont. The HOOKS line should look like this:

HOOKS=(base udev autodetect microcode modconf kms keyboard block zfs filesystems)

Then regenerate the initramfs:

mkinitcpio -P

Set a root password if you want to allow root login:

passwd

Add a user:

useradd -m -G lp,network,power,sys,wheel -s /bin/bash jeremy
passwd jeremy

Note

You'll probably need to enable the wheel group by editing with visudo.

Create the EFI boot

Format the partition:

mkfs.vfat -F32 "$BOOT_DEVICE"

Create an fstab entry and mount:

cat << EOF >> /etc/fstab
$( blkid | grep $(readlink -f "$BOOT_DEVICE") | cut -d ' ' -f 2 ) /boot/efi vfat defaults 0 0
EOF

mkdir -p /boot/efi
mount /boot/efi

Install ZFSBootMenu

mkdir -p /boot/efi/EFI/ZBM
curl -o /boot/efi/EFI/ZBM/VMLINUZ.EFI -L https://get.zfsbootmenu.org/efi
cp /boot/efi/EFI/ZBM/VMLINUZ.EFI /boot/efi/EFI/ZBM/VMLINUZ-BACKUP.EFI

Configure EFI boot entries:

mount -t efivarfs efivarfs /sys/firmware/efi/efivars

Check for any existing boot entries:

efibootmgr | grep ZFSBootMenu

Note

Remove any existing entries with efibootmgr -B -b 000X

Add new boot entries:

efibootmgr -c -d "$BOOT_DISK" -p "$BOOT_PART" \
  -L "ZFSBootMenu (Backup)" \
  -l '\EFI\ZBM\VMLINUZ-BACKUP.EFI'

efibootmgr -c -d "$BOOT_DISK" -p "$BOOT_PART" \
  -L "ZFSBootMenu" \
  -l '\EFI\ZBM\VMLINUZ.EFI'

Prepare for Reboot

Exit chroot

exit

Unmount

umount -n -R /mnt
zfs unmount -a # may not be necessary

Export the zpool and reboot:

zpool export "${POOL}"
reboot
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