Shrinking a SQL Server Log File with Database in Always ON Availability. Once we had a situation in our production server that the database which is in Always ON Availability group has been grown to the maximum size. Many of them say that we can't shrink the log file as the database is in Always ON and we should take the downtime to perform the operation. But we shrink-ed the database log file to 5 GB from 180 GB. Steps are as below: --To Check the Number of pages allocated by the LogFile. DBCC LOGINFO --To check the file sixe sp_helpdb [SQLPantry] --To check the Log file Size DBCC SQLPERF(LOGSPACE) The above statement will show the logspace of all db at present situation. --To check the Log_reuse_wait description of a log file. select log_reuse_wait_desc,* from sys.databases The above statement will show the status of the log whether it has to be backuped i.e., LogBackup, Nothing, Active Transaction. When ever there is status as Activ
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