Make sure you have 3 nodes each with 4 cpu and 4 GB Ram Add hosts entries in local hosts file as per your requirement . EX:  10.142.0.2 master.openshift.com master 10.150.0.2 infra.openshift.com infra 10.142.0.3 compute.openshift.com compute Also add below repo in all  nodes  vim /etc/yum.repos.d/ocp.repo [3.11] name=ocp 3.11 packages baseurl=https://cbs.centos.org/repos/paas7-openshift-origin311-testing/x86_64/os/ enabled=1 gpgcheck=0 [root@master ~]# vim … Continue reading openshift 3.11 installation 3-node cluster