8459ch05.fm Draft Document for Review December 11, 2019 1:55 pm Depending on the infrastructure and servers types, you must determine the appropriate  choice when deciding between single and multiple Host Groups (Availability Zones)  configuration. From administrative perspective is easier to have single Host Group and do not  isolate  the systems into multiple Host Group (Availability zones) as shown in Figure 5-4. Figure 5-4 PowerVC single Host Group (Availability Zone) 78  Red Hat OpenShift and IBM Cloud Paks on IBM Power Systems: Volume 1