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Configuring Retention Policy in RMAN in Oracle database 11gR2

Posted by Mir Sayeed Hassan on February 14th, 2018

Configuring Retention Policy in RMAN in Oracle database 11gR2

RMAN Configuration retention policy is a feature to avoid the manually deleting the old backup files from the disk in an Oracle database 11g2

Configuring this retention policy is much easily to delete the old backup by setting up as per your requirement

Now...
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ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance

Posted by Mir Sayeed Hassan on February 14th, 2018

ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance

Find the below error while starting of the database

SQL>; startup
ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance
ORACLE instance started.
Total System Global Area 4.8103E+10 bytes
Fixed Size                 ... 
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Posted in ORA-Error | Comments Off on ORA-32004: obsolete or deprecated parameter(s) specified for RDBMS instance

Backup database when NOARCHIVELOG Mode by using RMAN in Oracle database 11gR2

Posted by Mir Sayeed Hassan on February 13th, 2018

Backup database when NOARCHIVELOG Mode by using RMAN in Oracle database 11gR2

Consider the database is running in noarchivelog mode, in this case you can take only the offline full db backup & cannot take the online backup

If you want to take the full db backup in noarchivelog mode, the db should...
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ORA-01157/ORA-01110: cannot identify/lock data file 12 – see DBWR trace file

Posted by Mir Sayeed Hassan on February 13th, 2018

ORA-01157/ORA-01110: cannot identify/lock data file 12 – see DBWR trace file

As you can see while starting of the database, the datafile 12 is missing/corrupted and through the ora error as shown:

sys@TESTDB> startup
ORACLE instance started.
Total System Global Area 2455228416 bytes
Fixed Size                 ... 
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Posted in ORA-Error | Comments Off on ORA-01157/ORA-01110: cannot identify/lock data file 12 – see DBWR trace file

Offline (Cold) backup of database in Oracle 11gRr2

Posted by Mir Sayeed Hassan on February 13th, 2018

Offline (Cold) backup of database in Oracle 11gRr2

Fallow the step by step procedure as shown below:

Shutdown the database

sys@TESTDB>shu immediate
Database closed.
Database dismounted.
ORACLE instance shut down.

Now manually copy all the datafiles, logfiles, controlfiles, parameter...
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Posted in RMAN | Comments Off on Offline (Cold) backup of database in Oracle 11gRr2

Online (Hot) backup of datafile in Oracle database 11gR2

Posted by Mir Sayeed Hassan on February 13th, 2018

Online (Hot) backup of datafile

To perform the online backup of the database, the database should be running in archivelog mode, below query:

Check the database Instance Name & Version

sys@TESTDB>select INSTANCE_NAME, VERSION from v$instance;

INSTANCE_NAME    VERSION
——————————------------------
testdb          ... 
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Posted in RMAN | Comments Off on Online (Hot) backup of datafile in Oracle database 11gR2