About Data Mirroring

Historian provides mirroring of stored data on multiple nodes to provide high levels of data reliability. Data Mirroring also involves the simultaneous action of every insert, update and delete operations that occurs on any node. Data mirroring provides continuous data read and write functionality.

In a typical data mirroring scenario, one server acts as a primary server to which the clients connect. All communication goes through the Client Manager, and each Client Manager knows about the others. Mirrors must be set up in a single domain.

Mirror Node Setup

The following diagram helps you to understand a typical single mirror node setup.