Sample configuration of SAP R/3 with DB2 UDB and IBM ESS

In this configuration, we will work with a standard SAP R/3 installation and describe the following different scenarios that use the DB2 UDB split mirror functionality:

Creating a clone SAP system (Snapshot database scenario on page 26)

Creating a standby SAP database (Standby database scenario on page 28)

Creating a split mirror copy of the SAP R/3 database for backup and restore (Split-Mirror online backup scenario on page 31)

Creating a split mirror copy of the SAP R/3 database that can be copied over the primary database (Split-mirror restore scenario on page 3433 )

Figure 1 provides the conceptual overview of the sample configuration.

Primary Backup

Server Server

Snapshot for reporting, testing, etc.

Hot Standby

Offloading database backups

Database restore

SAP R/3

FlashCopy

SAP R/3

System

+ change profiles

System

TS1

TS1

 

TS1

FlashCopy

TS1

Database

 

Database

IBM ESS F20

Figure 1. Conceptual overview

As Figure 1 shows, there are two AIX hosts: one as the Primary Server, the other as the Backup server.

Ten ESS logical volumes are attached to each system. One logical volume is used for the SAP system software and configuration files, the others for the database. Two

SAP R/3 with DB2 UDB and ESS Sample Configuration

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IBM V7.2 manual Sample configuration of SAP R/3 with DB2 UDB and IBM ESS, Conceptual overview

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