After you install the Mirror Replication Agent software, you must create one instance of the Mirror Replication Agent for each primary database that you want to replicate transactions from.
Each Mirror Replication Agent instance is an independent process, with its own instance directories to house its configuration file, system log files, and Mirror Replication Agent System Database (RASD). Each Mirror Replication Agent instance manages its own connections to the primary data server, mirror log devices, Replication Server, and RSSD.
When you create a Mirror Replication Agent instance, you must specify:
A unique instance (server) name
A unique client socket port number for its administration port
You can create and run more than one Mirror Replication Agent instance on a single host machine, but each instance must have a unique name and a unique port number.
For more information, see “Creating a Mirror Replication Agent instance”.
The Mirror Replication Agent base directory (MA-15_1) and the installation directory (sybase) are created when you install the Mirror Replication Agent software.
A single installation (on a single host machine) can
support multiple Mirror Replication Agent instances. Each instance directory resides
under the Mirror Replication Agent base directory created when you install the
software.