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Integrating Oracle and Data Protector
Integration Concept
Chapter 18
Messages from the backup session are sent to the Backup Session
Manager, which writes messages and information regarding the backup
session to the IDB.
The Data Protector General Media Agent writes data to the backup
devices.
Restore Flow A restore session can be started using:
• Data Protector GUI
•RMAN CLI
• Oracle Enterprise Manager GUI
You must specify which objects are to be restored.
A restore from the Data Protector user interface is triggered by the Data
Protector Restore Session Manager, which starts the ob2rman.pl
command. Ob2rman.pl prepares the environment to start the restore,
and issues the RMAN restore command. RMAN checks the recovery
catalog (if one is used) or the control file to gather the information about
the Oracle backup objects. It also contacts the Oracle Server processes,
which initialize the restore through MML. MML establishes a connection
with the Restore Session Manager and passes along the information
about which objects and object versions are needed.
The Restore Session Manager checks the IDB to find the appropriate
devices and media, starts the General Media Agent, establishes a
connection between MML and the General Media Agent, and then
monitors the restore and writes messages and information regarding the
restore to the IDB.
The General Media Agent reads the data from the backup devices and
sends it to the Oracle Server processes through MML. The Oracle Server
Processes write the data to the disks.
The concept of Oracle integration, data and the control flow are shown in
Figure 1-1 on page 9, and the related terms are explained in the
following table.