DataGuard Configuration problem / ORA-16047

So last night I decided to set up a test of physical database paused. I had everything working properly and when I started to play with the Data Guard Broker I started having a few problems. Now I can't get the logs to be shipped from the primary to the day before.

Version: Primary and Standby
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE    11.2.0.1.0    Production
TNS for Linux: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
OS: Primary and Standby
[oracle@dgdb0 trace]$ uname -a
Linux dgdb0.localdomain 2.6.32-100.28.5.el6.x86_64 #1 SMP Wed Feb 2 18:40:23 EST 2011 x86_64 x86_64 x86_64 GNU/Linux
First of all, I noticed a problem with a gap in the sequence numbers.

Standby
SQL> SELECT sequence#, applied from v$archived_log order by sequence#;

 SEQUENCE# APPLIED
---------- ---------
     8 YES
     9 YES
    10 YES
    11 YES
    12 YES
    13 YES
    14 YES

7 rows selected.
Primary
SQL> archive log list;
Database log mode           Archive Mode
Automatic archival           Enabled
Archive destination           USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence     37
Next log sequence to archive   39
Current log sequence           39
Here are the configuration on the primary information:
SQL> show parameter db_name

NAME                     TYPE     VALUE
------------------------------------ ----------- ------------------------------
db_name                  string     dgdb0
SQL> show parameter db_unique_name

NAME                     TYPE     VALUE
------------------------------------ ----------- ------------------------------
db_unique_name                 string     dgdb0
SQL> show parameter log_archive_config

NAME                     TYPE     VALUE
------------------------------------ ----------- ------------------------------
log_archive_config             string     dg_config=(dgdb0,dgdb1)
SQL> show parameter log_archive_dest_2

NAME                     TYPE     VALUE
------------------------------------ ----------- ------------------------------
log_archive_dest_2             string     service=dgdb1 async valid_for=
                         (online_logfile,primary_role)
                         db_unique_name=dgdb1
Sleep settings
SQL> show parameter db_name

NAME                     TYPE     VALUE
------------------------------------ ----------- ------------------------------
db_name                  string     dgdb0
SQL> show parameter db_unique_name

NAME                     TYPE     VALUE
------------------------------------ ----------- ------------------------------
db_unique_name                 string     dgdb1
So I proceeded to run this query:
SQL> SELECT error from v$archive_dest WHERE dest_name='LOG_ARCHIVE_DEST_2';

ERROR
-----------------------------------------------------------------
ORA-16047: DGID mismatch between destination setting and target
database
The error description is:
Cause:       The DB_UNIQUE_NAME specified for the destination does not match the DB_UNIQUE_NAME at the destination.
Action:     Make sure the DB_UNIQUE_NAME specified in the LOG_ARCHIVE_DEST_n parameter defined for the destination matches the DB_UNIQUE_NAME parameter defined at the destination.
As you can see above the DB_UNIQUE_NAME in the parameter LOG_ARCHIVE_DEST_2 to match that of the database pending.

Also DG_BROKER_START is false on the back-end databases and relief.

Finally, I deleted all the files DRC * the directory $ORACLE_HOME/dbs on primary servers and intelligence to make sure that the broker is not configured.

Where am I wrong? How can I get the standby caught up and working properly again?

I apologized if I missed something. I'm relatively new to databases in waiting.

Centinul;

I noticed a few things

1. If you run the query below the sleep mode, you will probably always get the results you've posted

SELECT sequence #, applied to the order of v$ archived_log by sequence #.

What to do if run it from primary school and I add the "DEST_ID" column to the query.

2. you may have more luck finding GAPS using these queries:

Select max(sequence#) from v$ archived_log in case of application = 'YES ';

Choose the process, status from v$ managed_standby;

SELECT * FROM V$ ARCHIVE_GAP;

3. you mix SQL result with data broker, which can bite you. You don't know where you went wrong, but I would create PFILE file versions before trying to broker data at both ends. You can view each setting and avoid problems before adding the data broker. Data broker will take control and you can even find that it adds entries to your settings file.

The ORA-16047 is probably related database parameter and that should help at least answer the question. For example you might miss log_archive_config on the standby or soething. In comparing the two PFILE should refine this

I checked my notes from data broker, but did not find an ORA-16047, ORA-01031, ORA-16675, ORA-12514 and ORA-16608, I managed.

For me I decided it was a good idea to run Data Guard without data broker at first, until I got the impression using SQL.

Finally if you have not already consider the purchase of Larry 'Oracle Data Guard 11g Handbook' Carpenter IMHO its worth every penny and more.

Best regards

mseberg

Tags: Database

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