【DG】dg中如何配置多个后台observer

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How to run Observer process as a background process (文档 ID 1084681.1)

In this Document
Goal
Solution


APPLIES TO:

Oracle Server - Enterprise Edition - Version: 10.1.0.2 and later [Release: 10.1 and later ]
Information in this document applies to any platform.

GOAL

When setup DataGuard Fast Start Failover, the Observer is a continuous foreground process. How to run it as a background process instead?

SOLUTION

There are a few methods to achieve this:

\1. start the dgmgrl process with nohup command, eg:

\2. create a shell script and run the shell script at background:

create observer.sh like:

\3. From 11.2 onwards, one can use the following command to start observer:

ORACLE 12.2 - Starting the Oracle Data Guard Broker OBSERVER in the BACKGROUND (文档 ID 2285158.1)


In this Document

Goal
Solution
1. Before configuring the wallet check the configuration
2. Create the wallet
3. Start the observer on the Observer system
4. Check the observer log
5. In case of any issues enable tracing

APPLIES TO:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

GOAL

Explain the new Oracle Data Guard 12.2 enhancement to Fast_Start Failover (FSFO) allowing the observer to be started in the background.

SOLUTION

From Oracle 12.2 onward the Fast_Start Failover observer can be started as a background process.To start the OBSERVER in the background, the observer uses wallet authentication to connect to primary and target standby databases. The first step is to configure the WALLET and add credentials for the connect string that the OBSERVER will use to connect to the databases.

By default the observer uses the dgconnectidentifier specified by the user to connect to the primary and standby databases. However if the Broker property 'OBSERVERCONNECTIDENTIFIER' is configured on a database then the observer uses the observerconnectidentifier to connect to the that database.

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