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How do I create a standby control file?

Jim Brown

How do I create a standby control file?

To create the standby database control file: Connect to the primary database and create the control file for your standby database. For example, to create the standby control file as / oracle/dbs/stbycf. ctl on the primary site, enter the following: SQL> ALTER DATABASE CREATE STANDBY CONTROLFILE AS ‘/oracle/dbs/stbycf.

How do I create a standby database snapshot?

  1. Let start the Snapshot Standby database Demo:-
  2. Dataguard Configuration:-
  3. Step:1 Check both primary and standby role.
  4. Primary:-
  5. Step 2:- Check the archived sequence in standby,
  6. Step 3:- Check the flashback status and db_recovery_file_set location,
  7. alter database recover managed standby database cancel;

How do I create a standby database in Oracle 12c?

Perform the following tasks on the primary database to prepare for physical standby database creation:

  1. Enable Forced Logging.
  2. Configure Redo Transport Authentication.
  3. Configure the Primary Database to Receive Redo Data.
  4. Set Primary Database Initialization Parameters.
  5. Enable Archiving.

How do I create a standby database using a cold backup?

Configure Oracle Dataguard with cold backup on Windows

  1. Login as Oracle user in Primary Database Server:
  2. Determine if FORCE LOGGING is enabled.
  3. Create pfile from spfile.
  4. Open parameter file INITprim.
  5. Now startup database using newly created pfile.
  6. Check the parameter whether all set properly.

How do I manually create a standby database?

  1. Steps.
  2. On the Primary database (it should be in ARCHIVE LOG MODE):
  3. Modify the init.ora files on PROD defining location for archived redo log files on both primary and the standby server.
  4. Ensure that your primary database is in archive log mode.
  5. 3 Place the primary database in FORCE LOGGING mode.

How do I know if my standby database is primary?

  1. Step 1 : Check the status of database on both server.
  2. Step 2 : Check for GAP on Standby.
  3. Step 3 & 4: Check redo received and applied on standby.
  4. Step 5: Identify the missing archive log file.
  5. Step 6: Copy missing archive log file.
  6. Step 7: Register archive logfile with standby.

What is the difference between physical standby and logical standby?

Logical standby is different from physical standby: Logical standby database does not have to match the schema structure of the source database. Logical standby uses LogMiner techniques to transform the archived redo logs into native DML statements (insert, update, delete).

How do I restore a standby control file?

Method 1 – Normal Restore and Recovery using RMAN

  1. Perform the backup of the ASM primary database ( Datafiles, Controlfile for standby & Archivelogs )
  2. Make the backup pieces available on the Standby server:
  3. Create the parameter file & password file on standby.
  4. Configure Oracle net services on both the servers.

How do I find my primary standby database name?

How To Find All Standby Databases for a Primary Database in Data Guard. You can find all standby databases for a primary database in data guard by using one of the queries below. Standby -> Returns the unique name of the current database. Primary -> Returns the unique name of the other database in the Environment.

How do I rebuild a physical standby database?

Rebuild Physical Standby using RMAN full backup

  1. run { allocate channel c1 device type disk format ‘/backup/nsmdb/NSMDB_%U’;
  2. rman target / backup current controlfile for standby format ‘/backup/nsmdb/NSMDB_stby_ctl’;
  3. rman target / startup nomount.
  4. SQL> alter database mount standby database;
  5. run {
  6. set lines 150.

What should I do when I create a standby database?

You should plan the standby redo log configuration and create all required log groups and group members when you create the standby database. For increased availability, consider multiplexing the standby redo log files, similar to the way that online redo log files are multiplexed. Perform the following steps to configure the standby redo log.

How to setup standby database in Oracle Database 11g?

In this case they are both set to “DB11G” on the primary database. The DB_NAME of the standby database will be the same as that of the primary, but it must have a different DB_UNIQUE_NAME value. The DB_UNIQUE_NAME values of the primary and standby database should be used in the DG_CONFIG setting of the LOG_ARCHIVE_CONFIG parameter.

What does managed standby mean in SQL Server?

RECOVER MANAGED STANDBY DATABASE; When a standby database runs in managed recovery mode, it automatically applies redo logs received from the primary database. managed standby environment A configuration in which a primary database automatically archives redo logs to a standby site.

How to create physical standby database-dbaclass?

[STANDBY]pfile and password file creation in $ORACLE_HOME/dbs location: [STANDBY]start the standby database in nomount state: SQL > startup nomount ORACLE instance started. Total System Global Area 6415597568 bytes Fixed Size 2170304 bytes Variable Size 905970240 bytes Database Buffers 5502926848 bytes Redo Buffers 4530176 bytes