How do I put my standby database in read only mode?
How do I put my standby database in read only mode?
To open a standby database for read-only access when it is currently shut down:
- Start the Oracle instance for the standby database without mounting it: SQL> STARTUP NOMOUNT;
- Mount the standby database: SQL> ALTER DATABASE MOUNT STANDBY DATABASE;
- Open the database for read-only access: SQL> ALTER DATABASE OPEN READ ONLY;
How do I get my database out of standby mode?
To get the database out of STANDBY mode after the restore, you must restore the database WITH RECOVERY. WITH RECOVERY; This will make the database available for use – it is in read-only mode while in standby mode.
How do I change my standby read only database online?
Steps to change restore mode of secondary database in SQL Server Log Shipping
- Check the current SQL Server database state.
- Check the Current SQL Server Log Shipping Mode.
- Change a SQL Server Log Shipping Database to Read-Only.
- Check the SQL Server Log Shipping Change.
- Run SQL Server Log Shipping Restore.
How do I change standby database from protected mode?
Use the following command to change protection mode. SQL> ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE AVAILABILITY; Database altered. Now, open database. SQL> alter database open; Database altered.
How do I enable standby database?
Activate the standby database: SQL> ALTER DATABASE ACTIVATE PHYSICAL STANDBY DATABASE; Database altered.
How do I connect to a standby database?
Standby Recovery SQL> CONNECT sys/password AS SYSDBA SQL> STARTUP NOMOUNT PFILE=C:\Oracle\Admin\SID\PFile\init. ora SQL> ALTER DATABASE MOUNT STANDBY DATABASE; SQL> RECOVER STANDBY DATABASE; This process must be repeated every time archive logs are manually transfered.
How do I restore a SQL Server standby database?
Restore transaction log with standby option leaves the database read only mode. The uncommitted transaction are undone and saved in a file so that recover effects can be reversed when database is restored with recovery option.
How do I change a database from read only to read write mode in SQL Server?
Using SQL Server Management Studio
- Right-click database you need to mark as read-write.
- Select “Properties”
- In the “Database Properties” window select “Options” tab.
- Scroll down and find “State” tab, go to “Database Read-Only” statement and select “False”
How can I restore my database online from restoring?
Getting the Database Out of Restoring Mode
- Flush off all other users and get exclusive access to the database using the following query: USE master.
- Re-run the following query: RESTORE DATABASE [Database name] WITH RECOVERY.
- Set the database back to multi-user mode using the following query: ALTER DATABASE Database name.
How do I restore the log shipping database?
You will need to initialize log shipping by restoring the full database backup from the primary to the secondary. Once you re-initialize log shipping by performing a full backup of the primary database, copying the backup to the secondary and then restoring the secondary database, log shipping will get re-synced again.
How can I tell if my database is in protected mode?
SQL> alter database set standby database to maximize {AVAILABILITY | PERFORMANCE | PROTECTION}; SQL> alter database open; 4. To confirm the change in protection mode, query v$database on the primary.
Why do you need standby redo logs?
If you configure your standby for Maximum Protection, then Standby Redo Logs are required. Because a standby database exists, a second Archiver process (ARC1) will read from a completed Archived Redo Log and transmit the redo over the network to the Remote File Server (RFS) process running for the standby instance.
What is standby mode in SQL Server?
When you use the STANDBY mode, the database will be in Read-Only state and users can access this database for read operations. Transactions which are in process on the primary or any uncommitted transactions cannot be read on the secondary database when the database is in a read-only state.
What is the difference between a standby database and read-only database?
A standby database in manual recovery mode operates only on Oracle release 7.3 or higher. A standby database in managed recovery mode operates only on Oracle release 8.1 or higher. A standby database in read-only mode operates only on Oracle release 8.1.5 or higher.
What is the difference between norecovery and standby / read-only mode?
Standby / Read-Only – This mode is also known as STANDBY mode and can be used for read operations. When you use the NORECOVERY mode, the database will be in a restoring state and inaccessible to users. When you use the STANDBY mode, the database will be in Read-Only state and users can access this database for read operations.
How to open a database in read-only mode if shutdown?
If the database is shutdown, in order to open it as read-only, mount the database as standby and then open it as read-only. The following statements illustrate this: Startup the database using: Mount the Oracle instance using: Open the database in read only mode using: