ORA-01103: database name ‘MW’ in control file is not ‘MWTST’

This error most likely occurred when you duplicated a database and the DB_NAME parameter in spfile is not matching the one in the control file. Sometimes it so happened that after duplicating the database name in SPFILE with which you started the instance with is not matching the one in the control file. Explanation: ===================== …

Restore and Upgrade Oracle Database from 11gR2 to 12c from Exadata X4-2 to X7-2

Upgrade from Exadata X4-2 11g (11.2.0.4) to Exadata X7-2 12CR1 (12.1.0.2.0) : ASM to ASM Oracle Database 11.2.0.3and 11.2.0.4 to Oracle 12.2.0.1 Direct upgrade is supported by Oracle. If you have Database lower than those version than you have to upgrade to 11.2.0.4 first and you can upgrade to 12cR2 In our Scenario We will …

Restore RMAN to new server and refresh with Archivelog apply

Source Database --------------- ::: Directory Structure ::: ORACLE_HOME : E:\oracle\product\10.2.0\db_1 RMAN Backup : E:\rman_backup_full Control Files : E:\oradata\ecc DataFiles: E:\oradata\ECC Archivelog Destination: E:\archivelogs adump : e:\oracle\product\10.2.0\admin\ecc\adump bdump : e:\oracle\product\10.2.0\admin\ecc\bdump cdump : e:\oracle\product\10.2.0\admin\ecc\cdump udump : e:\oracle\product\10.2.0\admin\ecc\udump 1. create pfile='E:\eccprod.ora' from spfile;   2. rman target / backup incremental level 0 TAG 'ECC_DAILY_FULL' database filesperset 4; backup …

Script to SET NEWNAME for DATAFILES in RMAN for Cloning

-- If doing on Source Server -- ::12c-->sqlplus "/as sysdba" set head off pages 0 feed off echo off verify off set lines 200 spool rename_datafiles.lst select 'set newname for datafile ' || file_id || ' to ''/u01/oradata/' || substr(file_name,instr(file_name,'/',-1)+1) || ''';' from dba_data_files ; spool off exit; -- If doing on Target Server -- …

Restore Table from RMAN Backup Oracle 12c

  One of the amazing features of Oracle Database 12c is that now you can do a logical restore from a physical backup. Before 12c it was not possible to restore a table from a RMAN backup. This feature is amazing speciall when you have a large database and needs to restore a small table. …

RMAN Script for Tape Backup : Tivoli Storage Manager

Oracle 12c Dataguard RAC Primary to RAC Standby with Dataguard Broker (on Exadata)

Setup for the Environment ------------------- Exadata X4-2 Quater Rack n Primary and Standby Site Grid Version : 12.1.0.2 DB Home Version : 12.1.0.2 Primary, 2 Node RAC, db_unique_name = primeprd Instance 2 : primeprd1 Instance 2 : primeprd2 TNS entry: PRIMEPRD, but below entry in tnsnames.ora files on both node with DB Home user, most …

ORA-00245 control file backup failed target is likely on a local file system

Solution: This happens when you havea RAC setup and you are backing up the Snapshot of the controlfile to a local disk instead of a shared disk. In our setup we setup an ACFS file system on both nodes of RAC and changed RMAN parameter as below RMAN> CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/ACFS/snapcf_mw1.f'; new …

RMAN — ORA-19909: datafile 1 belongs to an orphan incarnation in a Standby Database.

We had an interesting scenario where we did a full rman refresh of a standby database becuase the archivelogs went missing and there was a gap. After doing the restore we got the below error in the RMAN recovery rman nocatalog target sys/******@mw auxiliary / connected to target database: MW (DBID=000000000) using target database control …

Snapshots are not Backups

Very well explained article why Storage Snapshots are not the best way for backing up an Oracle database. http://www.oracle.com/technetwork/database/features/availability/rman-fra-snapshot-322251.html?utm_content=buffer67053&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer