https://gnulinux.ro/blog-page-8441-install-zfs-in-rhel-centos-alma-linux-rocky-linux
1.
dnf install https://zfsonlinux.org/epel/zfs-release.el8_4.noarch.rpm
2.
dnf install epel-release
dnf install kernel-devel zfs
3.
sh -c "echo zfs> /etc/modules-load.d/zfs.conf"