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
•Creating a split mirror copy of the SAP R/3 database that can be copied over the primary database
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 | 12 |
