Merge pull request #265 from jprovaznik/reqs

Add affinity filter into requirements

Author: lebauce

README.adoc

@@ -47,21 +47,24 @@ title="OpenShift Architecture"]
 
 == Prerequisites
 
-1. OpenStack version Juno or later with the Heat, Neutron, Ceilometer services
+. OpenStack version Juno or later with the Heat, Neutron, Ceilometer services
 running:
   * heat-api-cfn service - used for passing heat metadata to nova instances
   * neutron LBaaS service (optional) - used for loadbalancing requests in HA
     mode, if this service is not available, you can deploy dedicated
     loadbalancer node, see 'Select Loadbalancer Type' section
   * ceilometer services (optional) - used when autoscaling is enabled
-2. http://www.centos.org/[CentOS] 7.2 cloud image (we leverage cloud-init)
+. `ServerGroupAntiAffinityFilter` enabled in Nova service
+  (optionally `ServerGroupAffinityFilter` when using all-in-one Openstack
+  environment)
+. http://www.centos.org/[CentOS] 7.2 cloud image (we leverage cloud-init)
 loaded in Glance for OpenShift Origin Deployments.
 https://access.redhat.com/downloads[RHEL]_ 7.2 cloud image if doing Atomic
 Enterprise or OpenShift Enterprise. Make sure to use official images to avoid
 unexpected issues during deployment (e.g. a custom firewall may block OpenShift
 inter-node communication).
-3. An SSH keypair loaded to Nova
-4. A (Neutron) network with a pool of floating IP addresses available
+. An SSH keypair loaded into Nova
+. A (Neutron) network with a pool of floating IP addresses available
 
 CentOS and RHEL are the only tested distros for now.