diff options
Diffstat (limited to 'assets/zfs')
| -rw-r--r-- | assets/zfs/README.org | 13 | ||||
| -rw-r--r-- | assets/zfs/script | 69 | ||||
| -rwxr-xr-x | assets/zfs/stage0.sh | 13 | ||||
| -rwxr-xr-x | assets/zfs/stage1.sh | 210 | ||||
| -rwxr-xr-x | assets/zfs/stage2.sh | 199 |
5 files changed, 504 insertions, 0 deletions
diff --git a/assets/zfs/README.org b/assets/zfs/README.org new file mode 100644 index 0000000..3a46823 --- /dev/null +++ b/assets/zfs/README.org @@ -0,0 +1,13 @@ +* WHY THIS + +* INSTRUCTIONS +** Boot from a iso that contains zfs kernel modules +There are two ways of doing this. + +First, you can boot from the official Arch Linux +** Git clone this repository +#+begin_src sh +git clone git@cjennings.net:zfsarch.git +#+end_src +** Add the correct disk to the +** diff --git a/assets/zfs/script b/assets/zfs/script new file mode 100644 index 0000000..0a19346 --- /dev/null +++ b/assets/zfs/script @@ -0,0 +1,69 @@ +loadkeys us +setfont ter-132n + +# TK gparted commands + +zpool create -f \ + -o ashift=12 \ + -O acltype=posixacl -O canmount=off \ + -O dnodesize=auto -O normalization=formD \ + -O atime=off -O xattr=sa -O mountpoint=none \ + -R /mnt zroot /dev/nvme0n1p2 + +zfs create -o canmount=noauto -o mountpoint=/ zroot/rootfs +zpool set bootfs=zroot/rootfs zroot +zfs create zroot/rootfs/home +zfs mount zroot/rootfs + +mkdir -p /mnt/etc/zfs +zpool set cachefile=/etc/zfs/zpool.cache zroot +cp /etc/zfs/zpool.cache /mnt/etc/zfs/zpool.cache + +mkfs.vfat /dev/nvme0n1p1 +mkdir /mnt/boot +mount /dev/nvme0n1p1 /mnt/boot + +genfstab -U -p /mnt >> /mnt/etc/fstab + +pacstrap /mnt base base-devel linux-lts linux-lts-headers linux-firmware grub efibootmgr nano vi zsh openssh networkmanager reflector + +arch-chroot /mnt + +echo -e ' +[archzfs] +Server = https://archzfs.com/$repo/x86_64' >> /etc/pacman.conf + +pacman-key -r DDF7DB817396A49B2A2723F7403BD972F75D9D76 +pacman-key --lsign-key DDF7DB817396A49B2A2723F7403BD972F75D9D76 + +pacman -Sy zfs-dkms +pacman -Sy intel-ucode + +# TK edit mkinitcpio.conf, removing fsck adding zfs before filesystems + +mkinitcpio -p linux-lts + +mkdir /boot/grub +nano /etc/default/grub # GRUB_CMDLINE_LINUX_DEFAULT="zfs=zroot/rootfs" +grub-mkconfig -o /boot/grub/grub.cfg +grub-install --target=x86_64-efi --efi-directory=/boot + +systemctl enable zfs.target zfs-import-cache zfs-mount zfs-import.target NetworkManager reflector.timer + +ln -sf /usr/share/zoneinfo/US/Central /etc/localtime +hwclock --systohc + +echo -e 'en_US.UTF-8 UTF-8' >> /etc/locale.gen +echo 'KEYMAP=us' > /etc/vconsole.conf +echo 'LANG=en_US.UTF-8' > /etc/locale.conf +echo velox > /etc/hostname +echo -e '127.0.0.1 localhost\n::1 localhost\n127.0.1.1 velox' >> /etc/hosts + +echo "root:welcome" | chpasswd +chage -d 0 root + +exit # done with chroot +# ...back in the installer shell... +umount -R /mnt +zfs umount -a +zpool export -a diff --git a/assets/zfs/stage0.sh b/assets/zfs/stage0.sh new file mode 100755 index 0000000..74132dc --- /dev/null +++ b/assets/zfs/stage0.sh @@ -0,0 +1,13 @@ +#!/bin/sh + +pacman-key --init +pacman-key --refresh-keys +pacman-key --populate +pacman -Syy +pacman -S --noconfirm openssh tmux +systemctl start sshd +echo "root:welcome" | chpasswd +# curl -s https://raw.githubusercontent.com/eoli3n/archiso-zfs/master/init | bash +# echo ""; echo "Enter password for zfsarch repository when prompted" +# git clone cjennings@cjennings.net:git/zfsarch.git +echo ""; echo "Stage 0 completed." diff --git a/assets/zfs/stage1.sh b/assets/zfs/stage1.sh new file mode 100755 index 0000000..392ff74 --- /dev/null +++ b/assets/zfs/stage1.sh @@ -0,0 +1,210 @@ +#!/usr/bin/env bash +# install arch linux on zfs root, stage one +# Craig Jennings <c@cjennings.net> +# +# https://openzfs.github.io/openzfs-docs/Getting%20Started/Arch%20Linux/Root%20on%20ZFS.html +# + +set -e # halt on any error + +# -------------------------- Prerequisites -------------------------- + +sed -i "s/^#ParallelDownloads = 5$/ParallelDownloads = 15/" /etc/pacman.conf +# These are now done in stage 0 +# pacman-key --init +# pacman-key --refresh-keys +# pacman --noconfirm -Sy archlinux-keyring +loadkeys us +timedatectl set-ntp true + +### --------------------------- Choose Disk --------------------------- + +all_disk_ids=( $(ls /dev/disk/by-id/) ) +echo ""; echo "Select the disk id to use. All data will be erased." +select disk_id in "${all_disk_ids[@]}"; do + # ensure valid selection + if [[ -n $disk_id ]]; then + selection=$disk_id + break + else + echo "Invalid. Try again." + fi +done + +# Confirm the selected disk +read -p "Confirm: '$selection' [y/n]? " choice +if [[ "$choice" != "y" ]]; then + echo "Exiting..." + exit 1 +fi + +DISK="/dev/disk/by-id/$selection" +MNT=/mnt # Set a mount point +SWAPSIZE=4 # Set swap size in GB +RESERVE=1 # Set how much space to leave at the end of disk, minimum 1GB + +### --------------------------- Erase Disk ------------------------- +echo ""; echo "### Erasing Disk" +blkdiscard -f "${DISK}" || true # discard all sectors on flash-based storage +sgdisk --zap-all "${DISK}" # clear the disk + +### ------------------------- Partition Disk ------------------------ +echo ""; echo "### Partitioning Disk" +parted --script --align=optimal "${DISK}" -- \ + mklabel gpt \ + mkpart EFI 2MiB 1GiB \ + mkpart bpool 1GiB 5GiB \ + mkpart rpool 5GiB -$((SWAPSIZE + RESERVE))GiB \ + mkpart swap -$((SWAPSIZE + RESERVE))GiB -"${RESERVE}"GiB \ + mkpart BIOS 1MiB 2MiB \ + set 1 esp on \ + set 5 bios_grub on \ + set 5 legacy_boot on + +### ---------------------- Setup Encrypted Swap --------------------- +echo ""; echo "### Encrypted Swap" +for i in ${DISK}; do + cryptsetup open --type plain --key-file /dev/random "${i}"-part4 "${i##*/}"-part4 + mkswap /dev/mapper/"${i##*/}"-part4 + swapon /dev/mapper/"${i##*/}"-part4 +done + +# ------------------- Create Boot And Root Pools ------------------ + +# This step creates a separate boot pool for /boot with the features limited to +# only those that GRUB supports, allowing the root pool to use any/all features. + +echo ""; echo "### Checking ZFS Module" +modprobe zfs # ensure zfs module is loaded + +echo ""; echo "### Creating Boot Pool" +# shellcheck disable=SC2046 +zpool create -d \ + -o feature@async_destroy=enabled \ + -o feature@bookmarks=enabled \ + -o feature@embedded_data=enabled \ + -o feature@empty_bpobj=enabled \ + -o feature@enabled_txg=enabled \ + -o feature@extensible_dataset=enabled \ + -o feature@filesystem_limits=enabled \ + -o feature@hole_birth=enabled \ + -o feature@large_blocks=enabled \ + -o feature@lz4_compress=enabled \ + -o feature@spacemap_histogram=enabled \ + -o ashift=12 \ + -o autotrim=on \ + -O acltype=posixacl \ + -O canmount=off \ + -O compression=lz4 \ + -O devices=off \ + -O normalization=formD \ + -O relatime=on \ + -O xattr=sa \ + -O mountpoint=/boot \ + -R "${MNT}" \ + bpool \ + $(for i in ${DISK}; do + printf '%s ' "${i}-part2"; + done) + +echo ""; echo "### Creating Root Pool" +# shellcheck disable=SC2046 +zpool create \ + -o ashift=12 \ + -o autotrim=on \ + -R "${MNT}" \ + -O acltype=posixacl \ + -O canmount=off \ + -O compression=zstd \ + -O dnodesize=auto \ + -O normalization=formD \ + -O relatime=on \ + -O xattr=sa \ + -O mountpoint=/ \ + rpool \ + $(for i in ${DISK}; do + printf '%s ' "${i}-part3"; + done) + +echo ""; echo "### Creating Unencrypted Root System Container" +# create UNENCRYPTED root system container +zfs create \ + -o canmount=off \ + -o mountpoint=none \ +rpool/archlinux + +# --------------------- Create System Datasets -------------------- +echo ""; echo "### Creating System Datasets" +zfs create -o canmount=noauto -o mountpoint=/ rpool/archlinux/root +zfs mount rpool/archlinux/root +zfs create -o mountpoint=legacy rpool/archlinux/home +mkdir "${MNT}"/home +mount -t zfs rpool/archlinux/home "${MNT}"/home +zfs create -o mountpoint=legacy rpool/archlinux/var +zfs create -o mountpoint=legacy rpool/archlinux/var/lib +zfs create -o mountpoint=legacy rpool/archlinux/var/log +zfs create -o mountpoint=none bpool/archlinux +zfs create -o mountpoint=legacy bpool/archlinux/root +mkdir "${MNT}"/boot +mount -t zfs bpool/archlinux/root "${MNT}"/boot +mkdir -p "${MNT}"/var/log +mkdir -p "${MNT}"/var/lib +mount -t zfs rpool/archlinux/var/lib "${MNT}"/var/lib +mount -t zfs rpool/archlinux/var/log "${MNT}"/var/log + +# ---------------------- Format And Mount ESP --------------------- +echo ""; echo "### Format And Mount ESP" +for i in ${DISK}; do + mkfs.vfat -n EFI "${i}"-part1 + mkdir -p "${MNT}"/boot/efis/"${i##*/}"-part1 + mount -t vfat -o iocharset=iso8859-1 "${i}"-part1 "${MNT}"/boot/efis/"${i##*/}"-part1 +done + +mkdir -p "${MNT}"/boot/efi +mount -t vfat -o iocharset=iso8859-1 "$(echo "${DISK}" | sed "s|^ *||" | cut -f1 -d' '|| true)"-part1 "${MNT}"/boot/efi + +### -------------------------- Install Base ------------------------- +echo ""; echo "### Installing Base" +# install packages with pacstrap +pacstrap "${MNT}" \ + base \ + base-devel \ + dkms \ + efibootmgr \ + git \ + grub \ + intel-ucode \ + linux-firmware \ + linux-lts \ + linux-lts-headers \ + man-db \ + man-pages \ + vi + +# create fstab and remove all zroot entries +genfstab -U -p "${MNT}" >> "${MNT}"/etc/fstab +sed -i '/^# zroot/d' "${MNT}"/etc/fstab +sed -i '/^zroot/d' "${MNT}"/etc/fstab +sed -i '/^$/d' "${MNT}"/etc/fstab +echo "" >> "${MNT}"/etc/fstab # one blank line at the end + +# copy over dns settings to the new system +cp -v /etc/resolv.conf "${MNT}"/etc + +# copy stage2 script to the new system +cp ./stage2.sh "${MNT}"/root + +# ----------------------------- Chroot ---------------------------- + +echo ""; echo "Done with Stage One" +chroot "${MNT}" /usr/bin/env DISK="${DISK}" /root/stage2.sh + +# -------------------------- After Chroot ------------------------- + +umount -Rl "${MNT}" +zfs snapshot -r rpool@initial-installation +zfs snapshot -r bpool@initial-installation + +zpool export -a + +echo ""; echo "Done with Stage Two" diff --git a/assets/zfs/stage2.sh b/assets/zfs/stage2.sh new file mode 100755 index 0000000..6ec1a52 --- /dev/null +++ b/assets/zfs/stage2.sh @@ -0,0 +1,199 @@ +#!/usr/bin/env bash +# install arch linux on zfs root, stage two +# + +set -e # halt on any error + +password="welcome" # root password; will force change after login +hostname="velox" +disk=/dev/nvme0n1 + +yay_repo="https://aur.archlinux.org/yay.git" +source_dir="/usr/src" +logfile=/root/zfsarch_stage2.log + +cd # go home + +# --------------------- Add ArchZFS Repository -------------------- + +echo ""; "### ADDING ARCHZFS REPOSITORY " echo "" | tee -a $logfile + +echo ""; "### handling arch keys" echo "" | tee -a $logfile +pacman-key --init >> $logfile 2>&1 +pacman-key --refresh-keys >> $logfile 2>&1 +pacman-key --populate >> $logfile 2>&1 + +curl --fail-early --fail -L https://archzfs.com/archzfs.gpg \ +| pacman-key -a - --gpgdir /etc/pacman.d/gnupg + +pacman-key \ +--lsign-key \ +--gpgdir /etc/pacman.d/gnupg \ +DDF7DB817396A49B2A2723F7403BD972F75D9D76 + +echo ""; "### adding repository info" echo "" | tee -a $logfile +tee -a /etc/pacman.d/mirrorlist-archzfs <<- 'EOF' +## See https://github.com/archzfs/archzfs/wiki +## France +#,Server = https://archzfs.com/$repo/$arch + +## Germany +#,Server = https://mirror.sum7.eu/archlinux/archzfs/$repo/$arch +#,Server = https://mirror.biocrafting.net/archlinux/archzfs/$repo/$arch + +## India +#,Server = https://mirror.in.themindsmaze.com/archzfs/$repo/$arch + +## United States +#,Server = https://zxcvfdsa.com/archzfs/$repo/$arch +EOF + +tee -a /etc/pacman.conf <<- 'EOF' +#[archzfs-testing] +#Include = /etc/pacman.d/mirrorlist-archzfs + +#,[archzfs] +#,Include = /etc/pacman.d/mirrorlist-archzfs +EOF + + +# the '#,' prefix is a workaround for ci/cd tests. we should remove them +sed -i 's|#,||' /etc/pacman.d/mirrorlist-archzfs +sed -i 's|#,||' /etc/pacman.conf +sed -i 's|^#||' /etc/pacman.d/mirrorlist + +# ---------- Install Packages And Linux Compatible Kernel --------- +echo ""; "### INSTALLING COMPATIBLE KERNEL " | tee -a $logfile +echo "### identifying kernel version" | tee -a $logfile + +pacman -Sy >> $logfile 2>&1 + +kernel_compatible_with_zfs="$(pacman -Si zfs-linux \ +| grep 'Depends On' \ +| sed "s|.*linux=||" \ +| awk '{ print $1 }')" + +echo "### installing kernel" | tee -a $logfile +pacman -U --noconfirm https://america.archive.pkgbuild.com/packages/l/linux/linux-"${kernel_compatible_with_zfs}"-x86_64.pkg.tar.zst >> $logfile 2>&1 +pacman -S --noconfirm zfs-linux zfs-utils >> $logfile 2>&1 + +# ---------------------- Configure Mkinitcpio --------------------- + +sed -i 's|filesystems|zfs filesystems|' /etc/mkinitcpio.conf +mkinitcpio -P + +# ------------------------- General Hostid ------------------------ + +zgenhostid -f -o /etc/hostid + +# ---------------------- Apply Grub Workaround ---------------------- +# Note: This workaround needs to be applied for every GRUB update, as the update will overwrite the changes. + +echo 'export ZPOOL_VDEV_NAME_PATH=YES' >> /etc/profile.d/zpool_vdev_name_path.sh +# shellcheck disable=SC1091 +. /etc/profile.d/zpool_vdev_name_path.sh + +# GRUB fails to detect rpool name, hard code as "rpool" +sed -i "s|rpool=.*|rpool=rpool|" /etc/grub.d/10_linux + +# -------------------------- Install Grub ------------------------- + +mkdir -p /boot/efi/archlinux/grub-bootdir/i386-pc/ +mkdir -p /boot/efi/archlinux/grub-bootdir/x86_64-efi/ +for i in ${DISK}; do + grub-install --target=i386-pc --boot-directory \ + /boot/efi/archlinux/grub-bootdir/i386-pc/ "${i}" +done +grub-install --target x86_64-efi --boot-directory \ + /boot/efi/archlinux/grub-bootdir/x86_64-efi/ --efi-directory \ + /boot/efi --bootloader-id archlinux --removable +if test -d /sys/firmware/efi/efivars/; then + grub-install --target x86_64-efi --boot-directory \ + /boot/efi/archlinux/grub-bootdir/x86_64-efi/ --efi-directory \ + /boot/efi --bootloader-id archlinux +fi + +# Import both bpool and rpool at boot: +echo 'GRUB_CMDLINE_LINUX="zfs_import_dir=/dev/"' >> /etc/default/grub + +# Generate GRUB menu: +mkdir -p /boot/grub +grub-mkconfig -o /boot/grub/grub.cfg +cp /boot/grub/grub.cfg \ + /boot/efi/archlinux/grub-bootdir/x86_64-efi/grub/grub.cfg +cp /boot/grub/grub.cfg \ + /boot/efi/archlinux/grub-bootdir/i386-pc/grub/grub.cfg + +# For both legacy and EFI booting: mirror ESP content: +espdir=$(mktemp -d) +find /boot/efi/ -maxdepth 1 -mindepth 1 -type d -print0 \ +| xargs -t -0I '{}' cp -r '{}' "${espdir}" +find "${espdir}" -maxdepth 1 -mindepth 1 -type d -print0 \ + | xargs -t -0I '{}' sh -vxc "find /boot/efis/ -maxdepth 1 -mindepth 1 -type d -print0 | xargs -t -0I '[]' cp -r '{}' '[]'" + + +### ----------------------- Config Environment --------------------- + +# required software +pacman -S --noconfirm sed networkmanager reflector +systemctl enable NetworkManager +systemctl enable reflector.timer + +# parallel downloads +sed -i "s/^#ParallelDownloads = 5$/ParallelDownloads = 15/" /etc/pacman.conf + +# aur config +sed -i '/^CFLAGS=/s/-march=x86-64 -mtune=generic/-march=native/' /etc/makepkg.conf +sed -i 's/^#RUSTFLAGS="-C opt-level=2"/RUSTFLAGS="-C opt-level=2 -C target-cpu=native"/g' /etc/makepkg.conf +sed -i 's/^#MAKEFLAGS="-j2"/MAKEFLAGS="-j$(nproc)"/g' /etc/makepkg.conf +sed -i 's/^COMPRESSXZ=(xz -c -z -)/COMPRESSXZ=(xz -c -z --threads=0 -)/g' /etc/makepkg.conf +sed -i 's/^COMPRESSZST=(zstd -c -z -q -)/COMPRESSZST=(zstd -c -z -q --threads=0 -)/g' /etc/makepkg.conf + +# set up local time +sudo ln -sf /usr/share/zoneinfo/US/Central /etc/localtime +hwclock --systohc + +# set up locale +echo "en_US.UTF-8 UTF-8" >> /etc/locale.gen +locale-gen +echo "LANG=en_US.UTF-8" > /etc/locale.conf + +# set up hostname +echo "$hostname" > /etc/hostname +echo "127.0.0.1 localhost" >> /etc/hosts +echo "::1 localhost" >> /etc/hosts +echo "127.0.1.1 $hostname.localdomain $hostname" >> /etc/hosts + +# console settings +echo "KEYMAP=us" > /etc/vconsole.conf + +# ------------------------ Enable AUR Helper ------------------------ + +pacman -Syy +pacman -S --needed --noconfirm base-devel git openssh wget +build_dir="$source_dir/yay" +mkdir -p "$build_dir" +chown "$username:$username" -R "/home/$username" +sudo -u "$username" git clone --depth 1 "$yay_repo" "$build_dir" +cd "$build_dir" && sudo -u "$username" makepkg --noconfirm -si + +### ------------------------- Enable ZFS Services ---------------------- +# add kernel modules +pacman -S --noconfirm zfs-dkms + +# enable zfs services +systemctl enable zfs-import-cache +systemctl enable zfs-import.target +systemctl enable zfs-mount.service +systemctl enable zfs-share +systemctl enable zfs-zed +systemctl enable zfs.target + +### ----------------------------- Wrap Up -------------------------- + +# set root password; must change first login +echo "root:$password" | chpasswd +chage -d 0 root + +# --------------------------- Exit Chroot --------------------------- +exit |