Merge "Adds missing steps to High Availability Guide."

doc/ha-guide/source/controller-ha-haproxy.rst

@@ -207,6 +207,20 @@ Configuring HAProxy
 
 .. TODO: explain why the Telemetry API is so special
 
+#. Configure the kernel parameter to allow non-local IP binding. This allows
+   running HAProxy instances to bind to a VIP for failover. Add following line
+   to ``/etc/sysctl.conf``:
+
+   .. code-block:: none
+
+      net.ipv4.ip_nonlocal_bind = 1
+
+#. Restart the host or, to make changes work immediately, invoke:
+
+   .. code-block:: console
+
+      $ sysctl -p
+
 #. Add HAProxy to the cluster and ensure the VIPs can only run on machines
    where HAProxy is active:
 

doc/ha-guide/source/controller-ha-pacemaker.rst

@@ -99,13 +99,15 @@ Set up the cluster with pcs
       The ``-p`` option is used to give the password on command
       line and makes it easier to script.
 
-#. Create and name the cluster, and then start it:
+#. Create and name the cluster. Then, start it and enable all components to
+   auto-start at boot time:
 
    .. code-block:: console
 
       $ pcs cluster setup --force --name my-first-openstack-cluster \
         controller1 controller2 controller3
       $ pcs cluster start --all
+      $ pcs cluster enable --all
 
 .. note ::