Topic: Database Administration >> ORA-03113: end-of-file on communication channel
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| Title: ORA-03113: end-of-file on communication channel |
| Ajav L |
Posted: Feb 20, 2008 06:14:19 AM |
Total Post: 1
Joined: Feb, 2008
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Hello There !!
After removing dataguard configuration from primary and standby database , the startup of primary db fails with the below mentioned error message .
SQL> startup;
ORACLE instance started.
Total System Global Area 209715200 bytes
Fixed Size 2019672 bytes
Variable Size 88084136 bytes
Database Buffers 113246208 bytes
Redo Buffers 6365184 bytes
Database mounted.
ORA-03113: end-of-file on communication channel
Alert log :-
LGWR: Primary database is in MAXIMUM AVAILABILITY mode
LGWR: Destination LOG_ARCHIVE_DEST_3 is using asynchronous network I/O
LGWR: Destination LOG_ARCHIVE_DEST_2 is not serviced by LGWR
LGWR: Destination LOG_ARCHIVE_DEST_1 is not serviced by LGWR
LGWR: Minimum of 1 synchronous standby database required
Wed Feb 20 18:26:45 2008
Errors in file /u03/app/admin/oracle/admin/ORCL/bdump/orcl_lgwr_4251.trc:
ORA-16072: a minimum of one standby database destination is required
Wed Feb 20 18:26:45 2008
Errors in file /u03/app/admin/oracle/admin/ORCL/bdump/orcl_lgwr_4251.trc:
ORA-16072: a minimum of one standby database destination is required
LGWR: terminating instance due to error 16072
Instance terminated by LGWR, pid = 4251
could somebody have a look plz .
Regards ,Ajay |
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 Vinod |
| Posted: Feb 20, 2008 06:20:45 AM |  |
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Total Post: 54
Joined: Oct, 2007
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Hi Ajay ,
It looks like you have removed the datauard configuration files from $ORACLE_HOME/dbs but the primary database still has the protection mode stored in the data dictonary the primary db requires a running connection to a Standby Database with LGWR SYNC as Log-Transportation Mode.Since the standby is not available ,LGWR of the primary terminates the instance with
ORA-03113: end-of-file on communication channel as you mentioned above.
Fix
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1) mount the primary database
ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE PERFORMANCE;
SQL> alter database open ;
Database altered.
-Vinod
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