- A running Ceph Luminous (12.2.x) cluster or newer
-- RHEL/CentOS 7.4; or Linux kernel v4.14 or newer
+- RHEL/CentOS 7.5; Linux kernel v4.17 or newer; or the `Ceph iSCSI client test kernel <https://shaman.ceph.com/repos/kernel/ceph-iscsi-test>`_
- The ``ceph-iscsi-config`` package installed on all the iSCSI gateway nodes