How do I check my standby database status?

September 11, 2020 Off By idswater

How do I check my standby database status?

On the primary database, check the last sequence that is generated. SQL> select max(sequence#) from V$archived_log; 4. On the standby database, check the last sequence that is applied….Using DGbrocker.

  1. Set proper ORACLE_SID, ORACLE_HOME.
  2. dgmgrl.
  3. connect /
  4. show configuration;
  5. show database ‘DB name’;

How do I check my standby database status from primary?

  1. Physical Standby Data Guard Health Check :
  2. Database Details :
  3. Step 1: Check Primary database protection mode and switchover status.
  4. Step 2: Check maximum archive log sequence at primary : SQL> SELECT MAX(SEQUENCE#) FROM V$THREAD; MAX(SEQUENCE#) ————– 47.

How do I check my MRP process in standby database?

Best Answer

  1. 1.To Start media recovery on standby database : SQL> alter database recover managed standby database disconnect from session;
  2. Perform few log switch on Primary database. SQL> Alter system switch logfile; SQL> / SQL> /
  3. Monitor Various process on standby database by :

How do I know if archive is applied to standby database?

When querying the v$archived_log view for log_archive_dest_2 we can check what files are applied on the standby:

  1. select dest_id , sequence# , applied.
  2. from v$archived_log.
  3. where dest_id = 2.
  4. and sequence# > ( select max(sequence#) – 10 from v$archived_log )
  5. order by sequence#
  6. /
  7. DEST_ID SEQUENCE# APPLIED.

How do I enable standby database?

Activate physical standby database

  1. Step 1 (Optional) Identify and resolve any gaps in the archived redo log files.
  2. Step 2 Initiate the failover operation on the target physical standby database.
  3. Step 3 Convert the physical standby database to the primary role.
  4. Step 4 Shut down and restart the new primary database.

How do I start an active standby database?

To open a standby database for read-only access when it is currently shut down:

  1. Start the Oracle instance for the standby database without mounting it: SQL> STARTUP NOMOUNT;
  2. Mount the standby database: SQL> ALTER DATABASE MOUNT STANDBY DATABASE;
  3. Open the database for read-only access: SQL> ALTER DATABASE OPEN READ ONLY;

How do I check logical standby sync status?

If you would like to know the brief status of the logical standby sql apply status, we can query “v$logstdby_state” this view provides consolidated information from views v$logstdby and v$logstdby_stats.

How do I find my primary standby hostname?

You need to create a script for sqlplus. In the script, you first get the tns_alias standby bd from the log_archive_dest parameter. Then connect to standby bd as sysdba. Uodate 1 You can run the query on the main server and see the active sessions from the standby server.

How do I know if my standby is active data guard?

Steps to Enable Active Data Guard Option

  1. Cancel The Redo Apply Process. SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;
  2. Shutdown and start the database in Mount Mode.
  3. Open the database in Read-Only Mode.
  4. Start the Redo Apply. (
  5. Now that the standby is in real-time query mode (the standby is open in read-only.

How do I activate standby?

What is active standby database Oracle?

A Standby Database is an exact binary copy of an operational database on a remote server, ready to be used for backup, replication, disaster recovery, analysis, shadow environment and reporting, to name a few applications.

How do I reset a standby database?

The following example shows how to start a standby database:

  1. Start the database: SQL> STARTUP NOMOUNT;
  2. Mount the standby database: SQL> ALTER DATABASE MOUNT STANDBY DATABASE;
  3. Start the managed recovery operation: SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE 2> DISCONNECT FROM SESSION;