Horizontal scaling using the load balancing with universal forwarder

Hi!

I would like to ask question with the search head and load balancing.

In the following environemnt, 1 search head 2 peer node (indexer) 1 forwader

                    search head
      peer node1                     peer node2
                    forwarder

We are considering setting up the forwarder load balancing to peer node 1 and 2. Whenever, peer node 1 goes down, I believe that forwarder detect the outage and start sending to peer node 2.

In this condition , I would like three questions.

1. Can the forwarder automatically resume the connection to peer node 1?
2. Does the search head detect the outage and start searching only peer node 2?
3. When you consider about the reliability of the data, would it be recommended to set up the replication between the peer node or set up shared storage between the peer node?

Thank you for reading.

Yu