Rockwell Automation FactoryTalk Historian SE 3.01 Installation and Configuration Guide - Manual (Page 119)

Configuring Historian Servers in High Availability Mode Appendix A
Rockwell Automation Publication HSE-IN024A-EN-E–December 2012 119
• Clients (user workstations)
To implement HA, configure clients to connect to either
server in a collective and seamlessly switch to another server if
necessary.
A server collective consists of two FactoryTalk Historian SE servers
(primary and secondary) that have the same configuration database.
This provides the same association between the key values in the
FactoryTalk Historian SE tables on all of the servers. This also
ensures that the archive data files have the same structure on all of
the servers.
Keep the following in mind about server collectives:
• When creating server collectives, you must always use fully
qualified host names, not IP addresses. Therefore, the name
resolution functionality must work on the network.
• If you make one or more FactoryTalk Historian SE servers
members of a collective, you must restart them after a server
collective is created. Otherwise, FactoryTalk Administration
Working with Server
Collectives