Supported Configurations of This Data Service

The Sun Cluster HA for MaxDB data service supports configurations that conform to the requirements in Configuration Requirements.

If you plan to use MaxDB with other highly available SAP applications, you must also configure the Sun Cluster data services for those applications. For more information, see the following table.

The examples that follow show these supported configurations of Sun Cluster HA for MaxDB:

• Two-node cluster configuration

• Four-node cluster configuration with SAP R/3

• Four-node cluster configuration with SAP R/3 and SAP liveCache

Sun Cluster HA for MaxDB might support additional configurations. However, you must contact your Sun service provider for information about additional configurations.

Example 1 Two-Node Configuration

This example shows a two-node configuration in which a client application accesses the MaxDB resource through the SAP xserver resource. The characteristics of this configuration are as follows:

• The MaxDB resource is configured as a failover data service.

• The SAP xserver resource is configured as a scalable data service.

Example 2 Four-Node Configuration With SAP R/3

This example shows a four-node configuration in which MaxDB is used with SAP R/3. This configuration uses multiple Advanced Planner & Optimizer (APO) application servers. The characteristics of this configuration are as follows:

• The SAP APO Central Instance (CI) resource is configured as a failover data service.

• The MaxDB resource is configured as a failover data service.

• The SAP xserver resource is configured as a scalable data service.

• APO application server (APP) resources are configured as scalable data services.

Example 3 Four-Node Configuration With SAP R/3 and SAP liveCache

This example shows a four-node configuration in which MaxDB is used with SAP R/3 and SAP liveCache. This configuration uses multiple APO application servers. The characteristics of this configuration are as follows:

• The SAP APO CI resource is configured as a failover data service.

• The MaxDB resource is configured as a failover data service.

• The SAP xserver resource is configured as a scalable data service.

• APP resources are configured as scalable data services.

• The SAP liveCache resource is configured as a failover data service.