ZFS Build and Install on a Pi.

cf. https://github.com/NevilleDNZ/zfs_build_dkms_hints

 e.g.

#!/bin/bash

uname_m=`uname -m` # "aarch64"

uname_r=`uname -r` # "6.1.21-v8+"

zfs_r="2.1.9"

sudo apt update -y

sudo apt upgrade -y

mkdir -p $HOME/zfs_build/zfs-k"$uname_r"

cd $HOME/zfs_build/zfs-k"$uname_r"

wget https://github.com/openzfs/zfs/releases/download/zfs-"$zfs_r"/zfs-"$zfs_r".tar.gz -O zfs-"$zfs_r".tar.gz

tar -xzf zfs-"$zfs_r".tar.gz

cd zfs-"$zfs_r"

sudo apt install -y alien build-essential fakeroot gawk

sudo apt install -y raspberrypi-kernel-headers

sudo apt install -y gcc make autoconf automake libtool dkms python3 python3-cffi python3-packaging python3-setuptools python3-dev uuid-dev zlib1g-dev libaio-dev libattr1-dev libblkid-dev libcurl4-openssl-dev libelf-dev libffi-dev libssl-dev libudev-dev

sh autogen.sh

./configure

make -s -j4 deb

sudo apt install -y ./libnvpair3_"$zfs_r"-1_arm64.deb ./libuutil3_"$zfs_r"-1_arm64.deb ./libzfs5_"$zfs_r"-1_arm64.deb ./libzpool5_"$zfs_r"-1_arm64.deb ./zfs_"$zfs_r"-1_arm64.deb ./zfs-dkms_"$zfs_r"-1_arm64.deb