Use the information in this section to understand how Sun Cluster HA for SAP makes SAP highly available.
For conceptual information on failover and scalable services, see the Sun Cluster 3.1 Concepts Guide.
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 1–1 Protection of SAP Components
SAP Component |
Protected by |
---|---|
SAP database |
Sun Cluster HA for Oracle Use Oracle as your database. |
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 3.1 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.