The Sun Cluster HA for SAP DB data service supports configurations that conform to the requirements in Configuration Requirements.
If you plan to use SAP DB 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.
SAP Application |
Sun Cluster Data Service |
Associated Document |
---|---|---|
SAP R/3 |
Sun Cluster HA for SAP | |
SAP liveCache |
Sun Cluster HA for SAP liveCache |
Sun Cluster Data Service for SAP liveCache Guide for Solaris OS |
The examples that follow show these supported configurations of Sun Cluster HA for SAP DB:
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 SAP DB might support additional configurations. However, you must contact your Sun service provider for information about additional configurations.
This example shows a two-node configuration in which a client application accesses the SAP DB resource through the SAP xserver resource. The characteristics of this configuration are as follows:
The SAP DB resource is configured as a failover data service.
The SAP xserver resource is configured as a scalable data service.
This example shows a four-node configuration in which SAP DB 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 SAP DB 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.
This example shows a four-node configuration in which SAP DB 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 SAP DB 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.