Sun Cluster HA for SAP liveCache Overview
Use the information in this section to understand how Sun Cluster HA for SAP liveCache makes liveCache highly available.
For conceptual information on scalable services, see the Sun Cluster 3.1 10/03 Concepts Guide.
To eliminate a single point of failure in an SAP Advanced Planner & Optimizer (APO) System, Sun 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 Sun Cluster configuration. Figure 1–1 also illustrates the data services that best protect SAP SCM components in a Sun Cluster configuration.
Table 1–1 Protection of liveCache Components|
liveCache Component |
Protected by |
|---|---|
|
SAP APO Central Instance |
Sun Cluster HA for SAP The resource type is SUNW.sap_ci_v2. For more information on this data service, see Sun Cluster 3.1 Data Service for SAP Guide. |
|
SAP APO database |
All highly available databases that are supported with Sun Cluster software and by SAP. |
|
SAP APO Application Server |
Sun Cluster HA for SAP The resource type is SUNW.sap_as_v2. For more information on this data service, see Sun Cluster 3.1 Data Service for SAP Guide. |
|
SAP liveCache AP xserver
|
Sun Cluster HA for SAP liveCache The resource type is SUNW.sap_xserver. |
|
SAP liveCache database |
Sun Cluster HA for SAP liveCache The resource type is SUNW.sap_livecache. |
|
NFS file system |
Sun Cluster HA for NFS The resource type is SUNW.nfs. For more information on this data service, see Sun Cluster 3.1 Data Service for Network File System (NFS) Guide. |
Figure 1–1 Protection of liveCache Components
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