HP Serviceguard Extension for SAP (SGeSAP) manual Table of Contents

Table of Contents
Printing History	9
About this Manual	9
Related Documentation	10
1 Designing SGeSAP Cluster Scenarios	11
General Concepts of SGeSAP	11
Mutual Failover Scenarios Using the Two Package Concept	12
Robust Failover Using the One Package Concept	14
Follow-and-Push Clusters with Replicated Enqueue	15
Dedicated NFS Packages	17
Dialog Instance Clusters as Simple Tool for Adaptive Enterprises	17
Handling of Redundant Dialog Instances	18
Dedicated Failover Host	19
2 Planning the Storage Layout	21
SAP Instance Storage Considerations	21
Option 1: SGeSAP NFS Cluster	22
Common Directories that are Kept Local	22
Directories that Reside on Shared Disks	23
Option 2: SGeSAP NFS Idle Standby Cluster	24
Common Directories that are Kept Local	24
Directories that Reside on Shared Disks	25
Option 3: SGeSAP CFS Cluster	25
Common Directories that are Kept Local	26
Directories that Reside on CFS	26
Database Instance Storage Considerations	26
Oracle Single Instance RDBMS	27
Oracle databases in SGeSAP NFS and NFS Idle Standby Clusters	27
Oracle Real Application Clusters	28
MAXDB Storage Considerations	29
3 Step-by-Step Cluster Conversion	33
SAP Preparation	35
SAP Pre-Installation Considerations	35
SAP Netweaver High Availability	35
Replicated Enqueue Conversion	38
Splitting an ABAP Central Instance	39
Creation of Replication Instance	42
HP-UX Configuration	45
Directory Structure Configuration	46
Cluster Filesystem Configuration	46
Non-CFS Directory Structure Conversion	48
Cluster Node Synchronization	51
Cluster Node Configuration	54
External Application Server Host Configuration	56
Modular Package Configuration	57
Legacy Package Configuration	65
Serviceguard Configuration	65
SGeSAP Configuration	69
Specification of the Packaged SAP Components	69
Configuration of Application Server Handling	72
Optional Parameters and Customizable Functions	76

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