Install zcs5.0 Multi-Server.
Mailbox store directory shared for NFS. Web server LoadBalance on F5
However, do not share e-mail under the multi-server.
How to set multi-server Load Balancing??????
I have made reference to Installation-Planning for Multi-Server Install - Zimbra :: Wiki

But set of failure.Do not know where the problem lies or zcs5.0 mailbox do not support Loadbalance