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Integrating SAP R/3 and Data Protector
Integration Concept
Chapter 2 155
(SmWaitForNewClient omnirc global variable) and completes the
backup session, as long as no backint is started within this time
frame.
Backup Flow
Using Recovery
Manager
A backup session using RMAN mode differs from a backup session in
backint mode in step 3. See Figure 2-3 on page 156 for details.
BRBACKUP starts RMAN, which then connects to the Data Protector
Database Library via the Oracle Server processes. The Database Library
provides a connection to the Data Protector BSM, which starts General
Media Agents and establishes a connection between the Oracle Server
and General Media Agents.
The data transfer begins at this point. The Oracle Server sends data to
General Media Agents, which then write the data to the media.
Once the Oracle Target Database’s data files have been written to the
media, the respective Oracle Server processes are completed, and so,
subsequently, is RMAN. The backup control is now returned to
BRBACKUP, which starts the first backint command to back up the
Oracle Target Database’s control file and the SAP R/3 log files. Archive
logs are backed up in the same manner as in backint mode.