This course is targeted to OpenStack DevOps professionals, systems administrators, and developers who want to understand the deployment, structure, and operation of OpenStack more deeply. This training builds on builds on the basic OpenStack system administration skills gained on the OST104 course and enhances participants knowledge with more in-depth information and hands-on exercises in the areas of realizing complex OpenStack deployments using Ceph, OpenStack storage systems, and implementing OpenStack high-availability (HA) solutions.The OST204 incorporates the learning of OpenStack's high availability (HA) features, the build up and administration of CEPH based OpenStack storage systems, and to analyze and troubleshoot common OpenStack problems.