Managing Serviceguard Extension for SAP, December 2007

Understanding Serviceguard Extension for SAP
Clustering Stand-Alone J2EE Components
Chapter 1 23
Clustering Stand-Alone J2EE Components
Some SAP applications are stand-alone J2EE components and do not
come in an ABAP context. For example, SAP Enterprise Portal
installations.
Beginning with SAP Application Server 6.40, these components can be
treated a fashion similar to ABAP installations. Comparing Figure 1-3
with Figure 1-2 shows the similarity on a conceptual level.
Figure 1-3 J2EE Engine clusters are similar to ABAP Engine cluster
shared disks
node1
node2
jdbjci<SID>
JDBJCI package
moved and
required resources
freed up in the
event of a failure
J2EE Servers not part of cluster
Loadbalanced
J2EE Engine
SDM
Loadbalanced
Loadbalanced
J2EE Engine
J2EE Engine