============= iSCSI Targets ============= Traditionally, block-level access to a Ceph storage cluster has been limited to QEMU and ``librbd``, which is a key enabler for adoption within OpenStack environments. Starting with the Ceph Luminous release, block-level access is expanding to offer standard iSCSI support allowing wider platform usage, and potentially opening new use cases. - CentOS 7.4 or newer - A working Ceph Storage cluster, deployed with ``ceph-ansible`` or using the command-line interface - iSCSI gateways nodes, which can either be colocated with OSD nodes or on dedicated nodes - Separate network subnets for iSCSI front-end traffic and Ceph back-end traffic A choice of using Ansible or the command-line interface are the available deployment methods for installing and configuring the Ceph iSCSI gateway: .. toctree:: :maxdepth: 1 Using Ansible Using the Command Line Interface