Sun Cluster 3.0 U1 Data Services Installation and Configuration Guide

Sun Cluster HA for SAP Overview

The Sun Cluster HA for SAP data service provides fault monitoring and an automatic failover mechanism 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.

Table 9-2 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`
SAP application server	Sun Cluster HA for SAP, the resource type is `SUNW.sap_as`
NFS file system	Sun Cluster HA for NFS

Use the scinstall(1M) command to install the Sun Cluster HA for SAP data service. The Sun Cluster HA for SAP data service requires a functioning cluster with the initial cluster framework already installed. See the Sun Cluster 3.0 U1 Installation Guide for details about initial installation of clusters and data services. Register the Sun Cluster HA for SAP data service after you successfully install the basic components of the Sun Cluster and SAP software.