Sun Cluster 3.0 5/02 Supplement

Sun Cluster HA for SAP Overview

Sun Cluster HA for SAP provides fault monitoring and automatic failover for the SAP application to eliminate single points of failure in an SAP system. The following table lists the data services that best protect SAP components in a Sun Cluster configuration. You can configure Sun Cluster HA for SAP as a failover application or a scalable application.

For conceptual information on failover and scalable services, see the Sun Cluster 3.0 12/01 Concepts.

Table B-1 Protection of SAP Components

SAP Component 

Protected by 

SAP database 

Sun Cluster HA for Oracle, if the database is Oracle 

SAP central instance 

Sun Cluster HA for SAP, the resource type is SUNW.sap_ci or SUNW.sap_ci_v2

SAP application server 

Sun Cluster HA for SAP, the resource type is SUNW.sap_as or SUNW.sap_as_v2

NFS file system 

Sun Cluster HA for NFS 

Use the scinstall(1M) command to install Sun Cluster HA for SAP. Sun Cluster HA for SAP requires a functioning cluster with the initial cluster framework already installed. See the Sun Cluster 3.0 12/01 Software Installation Guide for details on initial installation of clusters and data service software. Register Sun Cluster HA for SAP after you successfully install the basic components of the Sun Cluster and SAP software.