Managing Serviceguard Extension for SAP, December 2007

Understanding Serviceguard Extension for SAP
Designing SGeSAP Cluster Scenarios
Chapter 116
The following sections introduce different SGeSAP package types and
provide recommendations and examples for the cluster layouts that
should be implemented for SAP Application Servers.
• Mutual Failover Scenarios Using the Two Package Concept: dbSID,
ciSID
• Robust Failover Using the One Package Concept: dbciSID,
dbcijciSID
• Clustering Stand-Alone J2EE Components: jdbSID, jciSID,
jdbjciSID
• Dedicated NFS Packages: sapnfs
• Dialog Instance Clusters as Simple Tool for Adaptive Enterprises:
d<NR><SID>, jd<NR><SID>
• Handling of Redundant Dialog Instances
• The ABAP and JAVA Replicated Enqueue: scs<SID>, ascs<SID>,
ers<INR><SID>, arep<SID> or rep<SID>
• Dedicated Failover Host
Table 1-1 Mapping the SGeSAP package types to different SAP naming
abbreviations
SGeSAP package type
Commonly used SAP
abbreviations
ci CI (old), DVEBMGS (old), ASCS
arep AREP, ERS, ENR
jci SCS
rep REP, ENR, ERS
d D, DVEBMGS (new)
jd JDI, JD, JC, J