Add second load balancer

Signed-off-by: Derek Nola <derek.nola@suse.com>

docs/datastore/cluster-loadbalancer.md

@@ -27,14 +27,16 @@ The nodes have hostnames and IPs of:
 * server-3: `10.10.10.52`
 
 
-An additional node with docker installed is also configured, with hostname and IP of:
-* lb-1: `10.10.10.99`
+Two additional nodes for load balancing are configured with hostnames and IPs of:
+* lb-1: `10.10.10.98`
+* lb-2: `10.10.10.99`
 
 Three additional nodes exist with hostnames and IPs of:
 * agent-1: `10.10.10.101`
 * agent-2: `10.10.10.102`
 * agent-3: `10.10.10.103`
 
+
 ## Nginx Load Balancer
 
 [Nginx Open Source](http://nginx.org/) provides a TCP load balancer. See [Using nginx as HTTP load balancer](https://nginx.org/en/docs/http/load_balancing.html) for more info.
@@ -58,7 +60,9 @@ stream {
 }
 ```
 
-2) Run the following command on lb-1 to start the Nginx load balancer:
+2) Run the Nginx load balancer on lb-1:
+
+Using docker:
 
 ```bash
 docker run -d --restart unless-stopped \
@@ -67,6 +71,13 @@ docker run -d --restart unless-stopped \
     nginx:stable
 ```
 
+Or [install nginx](https://docs.nginx.com/nginx/admin-guide/installing-nginx/installing-nginx-open-source/) and then run:
+
+```bash
+cp nginx.conf /etc/nginx/nginx.conf
+systemctl start nginx
+```
+
 3) On agent-1, agent-2, and agent-3, run the following command to install k3s and join the cluster:
 
 ```bash