SQL Mirroring Remove How TO

Using SQL Server Management Studio

---

To remove database mirroring

1. During a database mirroring session, connect to the principal server instance, in Object Explorer, click the server name to expand the server tree.
2. Expand Databases, and select the database.
3. Right-click the database, select Tasks, and then click Mirror. This opens the Mirroring page of the Database Properties dialog box.
4. In the Select a Page pane, click Mirroring.
5. To remove mirroring, click Remove Mirroring. A prompt asks for confirmation. If you click Yes, the session is stopped and mirroring is removed from the database.

 

Using Transact-SQL

---

To remove database mirroring, use the Database Properties. use the Mirroring page of the Database Properties dialog box.

To remove database mirroring

1. Connect to the Database Engine of either mirroring partner.
2. From the Standard bar, click New Query.
3. Issue the following Transact-SQL statement:
                   ALTER DATABASE database_name SET PARTNER OFF

   where database_name is the mirrored database whose session you want to remove.

   The following example removes database mirroring from the AdventureWorks2012 sample database.

   ALTER DATABASE AdventureWorks2012 SET PARTNER OFF;

Follow Up: Removing Database Mirroring

• If you intend to restart mirroring on the database

  Any log backups taken on the principal database after mirroring was removed must all be applied to the mirror database before you can restart mirroring.

• If you do not intent to restart mirroring

  Optionally, you can recover the former mirror database. On the server instance that was the mirror server, you can use the following Transact-SQL statement:

                RESTORE DATABASE database_name WITH RECOVERY;