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How do I shrink a log file in AlwaysOn database?
In order to maintain proper (shrink) log file size you can use the following technique. On the AlwaysOn configuration, change the backup priority options to primary replica/server. Since the databases are by default in a full recovery mode, take at least one a full and one transaction log backup.
Can we shrink log file in always on?
In AGs writes can only occur on the primary. Shrink operations are writes. Therefore you must do the shrink on the primary. Note that the shrink may not shrink as much as you expect, your test on the restored DB had probably leveraged simple recovery model.
How do I shrink a SQL server log file?
To shrink a data or log file. In Object Explorer, connect to an instance of the SQL Server Database Engine and then expand that instance. Expand Databases and then right-click the database that you want to shrink. Point to Tasks, point to Shrink, and then click Files.
Why is log file not shrinking in AlwaysOn group?
The problem is Redo Queue Size in Secondary-1 Node is increasing and not decreasing as what I through it should. Also log-file on Primary node is slowly increasing which is going to fill-up whole disk-space. Now Secondary-1 Node showing LOG-BACKUP. How do I solve this issue? Should I take Log backup on Secondary-1 Node and check?
Why does SQL Server not shrink transaction log?
Try to reboot each server in Availability Group in turn. Sometimes you need to bakup and shrink transaction log 2 times before MS SQL Server released free space (Cannot shrink log file (DB_Log) because the logical log file located at the end of the file is in use.). Thanks for contributing an answer to Database Administrators Stack Exchange!
Can a shrink be performed on a primary log file?
Actually, back ups (on the database and the log files) are performed only on the secondary databases, so it will be easier to perform the shrink file on them, but will the primary log file size be reduced as well? In AGs writes can only occur on the primary. Shrink operations are writes.
When to use AlwaysOn availability in SQL Server?
We are using AlwaysOn Availability Group feature of SQL Server 2012. Regular full database backups and transaction log backups are done every day on the secondary database. I have read here doing the transaction log backup on either the primary replica or the secondary replica will mark both replicas’ transaction logs as reusable.