Script to send e-mail once transaction logfile usage reaches to 60%

 

USE msdb

SET NOCOUNT ON;

IF OBJECT_ID('tempdb..#MonitorTransactionLogFileUsage') IS NOT NULL
	DROP TABLE #MonitorTransactionLogFileUsage

CREATE TABLE #MonitorTransactionLogFileUsage (
	ID INT IDENTITY(1, 1)
	,DatabaseName SYSNAME
	,LogSizeInMB DECIMAL(18, 5)
	,LogSpaceUsedInPercentage DECIMAL(18, 5)
	,[Status] INT
	)

INSERT INTO #MonitorTransactionLogFileUsage (
	DatabaseName
	,LogSizeInMB
	,LogSpaceUsedInPercentage
	,[Status]
	)
EXEC ('DBCC SQLPERF(LOGSPACE)')

IF OBJECT_ID('tempdb..#LogfileGrowth') IS NOT NULL
	DROP TABLE #LogfileGrowth

CREATE TABLE #LogfileGrowth (LogGrowth VARCHAR(4000))

INSERT INTO #LogfileGrowth
SELECT 'Database ' + '' + cast(DatabaseName AS VARCHAR(50)) + 

 ' LogSpaceUsedInPercentage  has grown to ' + 

cast(LogSpaceUsedInPercentage AS VARCHAR(50)) + '' + '% ' + ' ' + '' +  

'Database recover model is ' + '' + cast(recovery_model_desc 

COLLATE Latin1_General_CI_AS_KS_WS AS VARCHAR(50)) + ' and it is growing due to ' 

+ cast(log_reuse_wait_desc AS VARCHAR(150)) LogGrowth
FROM #MonitorTransactionLogFileUsage a
INNER JOIN sys.databases b ON a.DatabaseName = b.name
	AND a.DatabaseName = 'DB Name you would like to monitor '
WHERE LogSpaceUsedInPercentage > 60

DECLARE @body1 VARCHAR(4000)

SET @body1 = (
		SELECT TOP 1 LogGrowth
		FROM #LogfileGrowth
		)

DECLARE @server_name VARCHAR(100);

SELECT @server_name = convert(VARCHAR(100), SERVERPROPERTY('servername'));

DECLARE @sub VARCHAR(1000);

SELECT @sub = 'Logfile is getting filled on  ' + @server_name + ' ';

DECLARE @rowcount INT

SELECT @rowcount = (
		SELECT count(1)
		FROM #LogfileGrowth
		HAVING count(1) > 0
		)

IF @rowcount > 0
BEGIN
	--database-notifications@accuratebackground.pagerduty.com
	EXEC msdb.dbo.sp_send_dbmail @profile_name = 'your db profile name'
		,@recipients = ' mention list of recipients you need to send mail'
		,@subject = @sub
		,@body = @body1
		,@body_format = 'HTML';
END

Script to monitor TransactionLogFileUsage and trigger backups automatically once logfile usage reaches to 40%

  

IF OBJECT_ID('tempdb..#MonitorTransactionLogFileUsage') IS NOT NULL

	DROP TABLE #MonitorTransactionLogFileUsage

CREATE TABLE #MonitorTransactionLogFileUsage (
	ID INT IDENTITY(1, 1)
	,DatabaseName SYSNAME
	,LogSizeInMB DECIMAL(18, 5)
	,LogSpaceUsedInPercentage DECIMAL(18, 5)
	,[Status] INT
	)

INSERT INTO #MonitorTransactionLogFileUsage (
	DatabaseName
	,LogSizeInMB
	,LogSpaceUsedInPercentage
	,[Status]
	)
EXEC ('DBCC SQLPERF(LOGSPACE)')

SELECT *
FROM #MonitorTransactionLogFileUsage

/* declare variables */
DECLARE @variable SYSNAME
	,@jobname SYSNAME

DECLARE cursor_name CURSOR FAST_FORWARD READ_ONLY
FOR
SELECT DatabaseName
FROM #MonitorTransactionLogFileUsage
WHERE LogSpaceUsedInPercentage >= 40

OPEN cursor_name

FETCH NEXT
FROM cursor_name
INTO @variable

WHILE @@FETCH_STATUS = 0
BEGIN
	SET @jobname = N'LSBackup_' + @variable

	IF EXISTS (
			SELECT name
			FROM msdb.dbo.sysjobs
			WHERE name = @jobname
			)
	BEGIN
		IF NOT EXISTS (
				SELECT 1
				FROM msdb.dbo.sysjobs_view job
				INNER JOIN msdb.dbo.sysjobactivity activity  

ON job.job_id = activity.job_id
WHERE activity.run_requested_date IS NOT NULL
		AND activity.stop_execution_date IS NULL
		AND job.name = @jobname
				)
		BEGIN
			EXEC msdb.dbo.sp_start_job @job_name = @jobname
		END
		ELSE
		BEGIN
			PRINT 'Job ''' + @jobname + ''' is already started ';
		END
	END

	FETCH NEXT
	FROM cursor_name
	INTO @variable
END

CLOSE cursor_name

DEALLOCATE cursor_name

DROP TABLE #MonitorTransactionLogFileUsage