• This article will show how to install ZFS on Rocky Linux with DKMS.

• Rocky Linux

• Ensure you update your server to the latest version.

[root@rocky-45d ~]# dnf update -y

• They Rocky Linux Preconfig script will configure our 45Drives repository, configure ZFS and install our Houston user interface.
• To run the script use the command below. It will download the script, then run it using bash.

curl -SLO https://scripts.45drives.com/rocky-preconfig.sh && bash rocky-preconfig.sh

• Once the script is complete and has been run successfully, ZFS will be installed and Houston UI can be accessed at  https://{Server_IP}:9090

• First we must install ZFS release package so we can then install and configure ZFS.

[root@rocky-45d ~]# source /etc/os-release
[root@rocky-45d ~]# dnf install https://zfsonlinux.org/epel/zfs-release.el${VERSION_ID/./_}.noarch.rpm
[root@rocky-45d ~]# rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-zfsonlinux

• Next, we must install epel-release.

[root@rocky-45d ~]# dnf install epel-release

• Next, we install kernel-devel and zfs. This will compile ZFS, and if done correctly this process should take a few minutes to complete the installation.

[root@rocky-45d ~]# dnf install kernel-devel zfs

• Now, we must configure ZFS to automatically load on boot.

[root@rocky-45d ~]# echo zfs > /etc/modules-load.d/zfs.conf

• Finally, to load ZFS manually without needing to perform another reboot.

[root@rocky-45d ~]# modprobe zfs

• We now have ZFS installed and configured, and can begin using ZFS to configure our storage.

• If seeing errors when running modprobe zfs, run dkms status.

[root@rocky-45d ~]# dkms status

• If the output reports as zfs, 2.0.7; added it did not compile ZFS correctly.
• To resolve we can remove the package, then re-install. First we remove it via dkms.

[root@rocky-45d ~]# dkms remove zfs/2.1.15 --all;

• Next we can do the installation of the ZFS module.

[root@rocky-45d ~]# dkms --force install zfs/2.1.15;

• This process should take a few minutes, as it is building ZFS. Once completed we should be able to modprobe zfs successfully.

[root@rocky-45d ~]# modprobe zfs

• RHEL-based distro installation of ZFS
• Rocky Linux Houston UI Installation