Solaris Cluster HA for SAP liveCache Overview

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

For conceptual information on scalable services, see the Oracle Solaris Cluster Concepts Guide.

To eliminate a single point of failure in an SAP Advanced Planner & Optimizer (APO) System, Solaris Cluster HA for SAP liveCache provides fault monitoring and automatic failover for liveCache and fault monitoring and automatic restart for SAP xserver. The following table lists the data services that best protect SAP Supply Chain Management (SCM) components in a Solaris Cluster configuration. Figure 1-1 also illustrates the data services that best protect SAP SCM components in a Solaris Cluster configuration.

Table 1-1 Protection of liveCache Components

liveCache Component	Protected by
SAP APO Central Instance	Oracle Solaris Cluster HA for SAP The resource type is `SUNW.sap_ci_v2`. For more information on this data service, see Oracle Solaris Cluster Data Service for SAP Guide. Oracle Solaris Cluster HA for SAP Web Application Server The resource type is `SUNW.sap_webas`. For more information on this data service, see Oracle Solaris Cluster Data Service for SAP Web Application Server Guide.
SAP APO database	All highly available databases that are supported with Oracle Solaris Cluster software and by SAP.
SAP APO Application Server	Oracle Solaris Cluster HA for SAP The resource type is `SUNW.sap_as_v2`. For more information on this data service, see Oracle Solaris Cluster Data Service for SAP Guide. Oracle Solaris Cluster HA for SAP Web Application Server The resource type is `SUNW.sap_webas`. For more information on this data service, see Oracle Solaris Cluster Data Service for SAP Web Application Server Guide.
SAP xserver	Solaris Cluster HA for SAP liveCache The resource type is `SUNW.sap_xserver`.
SAP liveCache database	Solaris Cluster HA for SAP liveCache The resource type is `SUNW.sap_livecache`.
NFS file system	Oracle Solaris Cluster HA for NFS The resource type is `SUNW.nfs`. For more information on this data service, see Oracle Solaris Cluster Data Service for Network File System (NFS) Guide.

Figure 1-1 Protection of liveCache Components

image:Illustration's purpose is to describe the protection of liveCache components. The preceding table also outlines the protection of these components.

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