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2025-09-24 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Shulou(Shulou.com)06/01 Report--
1. Environment description
11g RAC+ADG maximum available mode
2. Off-machine recovery
An error is reported in the alarm log as follows:
ORA-16072: a minimum of one standby database destination is required
Instance terminated by LGWR
Then the instance terminates abnormally
3. Reasons
Although you removed all configuration files, removed the Standby Database
And reset all LOG_ARCHIVE_DEST_n-Parameters, the Primary Database has still
The Protection Mode stored in the Data Dictionary. The Protection Mode
Requires a running connection to a Standby Database with LGWR SYNC as
Log-Transportation Mode. Since the standby is not available anymore
LGWR of the primary terminates the instance.
4. Treatment method
Startup the Primary Database in Mount State and set the Protection Mode back
To Maximum Performance Mode, which is the Default:
-- in the database mount state, execute the following command, and then restart the database
SQL > ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE PERFORMANCE
Then shutdown the Database and restart again.
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