Sun Cluster Data Service for SAP Guide for Solaris OS

Sun Cluster HA for SAP Overview

Use the information in this section to understand how Sun Cluster HA for SAP makes SAP highly available.

For conceptual information about failover and scalable services, see the Sun Cluster Concepts Guide for Solaris OS.

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.

Table 1 Protection of SAP Components


SAP Component	Protected by
SAP database	The data service for the database that you are using, for example: For the SAP DB database, the data service is Sun Cluster HA for SAP DB. For the Oracle database, the data service is Sun Cluster HA for 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

Sun Cluster HA for SAP requires a functioning cluster with the initial cluster framework already installed. See the Sun Cluster Software Installation Guide for Solaris OS 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.