B2B Integration : Trading Networks Administrator's Guide : Configuring Trading Networks : Configuring Database Settings : Configuring a High Availability Environment : Configuring Multiple Clusters Instances to Share a Database
Configuring Multiple Clusters Instances to Share a Database
To configure multiple clusters instances to share a database
1. Set the tn.cluster.sync.remoteAliases property for each Trading Networks instance that will share the database.
2. Define a remote alias for each Trading Networks instance that will share the database. For instructions, see webMethods Integration Server Administrator’s Guide.
3. Make sure the system properties in the Integration Server_directory \instances\instance_name\config\server.cnf file for all Integration Server instances in the cluster are identical.
4. Make sure the services you need Trading Networks to execute (for example, delivery services or services invoked from processing rules) is available on all Integration Servers.
Note:  
You can use a load balancer to “cluster” Trading Networks instances if your application code is stateless and you are not using stateful processes (for example, long-running conversations).
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