We saw earlier that NFS supports server redundancy by providing a failover feature, and mentioned that it is also supported with Autofs. All we need to do to add this support is to list the alternative servers in the map.
We'll do this for the manual pages. The map is shown below after we have made the modifications:
lithium# cat /etc/auto_man /usr/share/man -ro neon,carbon,nitrogen:/usr/share/man lithium#
In this case, we now have three servers that are able to supply the data we require. The order in which each server will be used depends on a number of factors, such as network location, response time, and the level of the NFS protocol that is supported. The fact that response time is considered helps with load balancing, ...