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Creating a BlackBerry MDS Connection Service pool for high availability

To configure BlackBerry® MDS Connection Service high availablity, you can create a BlackBerry MDS Connection Service pool for each BlackBerry® Enterprise Server by associating multiple BlackBerry MDS Connection Service instances with each BlackBerry Enterprise Server. If the BlackBerry MDS Connection Service instance with the active connection stops responding, the BlackBerry Enterprise Server promotes the connection to the next instance in the pool list to an active connection.

If you configured central push servers, the BlackBerry MDS Connection Service pool should include at least two BlackBerry MDS Connection Service instances that you also configure as central push servers.

For more information, see the BlackBerry Enterprise Server Planning Guide.

Create a BlackBerry MDS Connection Service pool for high availability

  1. In the BlackBerry® Administration Service, on the Servers and components menu, expand BlackBerry Solution topology > BlackBerry Domain > Component view > BlackBerry Enterprise Server.
  2. If you configured BlackBerry® Enterprise Server pairs, expand the pair name.
  3. Click the name of the BlackBerry Enterprise Server instance that you want to assign the BlackBerry MDS Connection Service pool to.
  4. Click Edit instance.
  5. On the Supported MDS Connection Service instances tab, in the Current MDS Connection Service instances list, add the BlackBerry MDS Connection Service instances to the pool.
  6. Click Save all.
  7. Repeat steps 3 to 6 for each BlackBerry Enterprise Server instance in your organization's environment that you want to configure to use a BlackBerry MDS Connection Service pool.

Configure a hardware load balancer to provide access to BlackBerry MDS Connection Service central push servers

You can configure the BlackBerry® MDS Integration Service to access the available BlackBerry MDS Connection Service central push servers by using DNS round robin. If you do not want to use DNS round robin, you can configure a hardware load balancer that can provide access for the BlackBerry MDS Integration Service to the BlackBerry MDS Connection Service central push servers.

For more information, see the BlackBerry Enterprise Server Planning Guide.

Before you begin: Configure the load balancer so that it can access all instances of BlackBerry MDS Connection Service central push servers in the pool.
  1. In the BlackBerry Administration Service, on the Servers and components menu, expand BlackBerry Solution topology > BlackBerry Domain > Component view.
  2. Click MDS Connection Service.
  3. Click Edit component.
  4. In the Load Balancer URL section, type the FQDN or IP address and port number of the load balancer in the following format: http://<ipaddress>:<port> (for example, http://192.0.2.0:9000).
  5. Click the Add icon.
  6. Click Save all.
The BlackBerry Administration Service updates the BlackBerry MDS Integration Service information, and the BlackBerry MDS Integration Service uses the hardware load balancer that you specified to access the BlackBerry MDS Connection Service central push servers.

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