Monitor The Sql Server Error Log
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| Related Tips: 1 | 2 | 3 | 4 | 5 | 6 | More > Monitoring Problem As a SQL Server DBA, monitoring SQL Server error logs is part of my daily routine. Manually reviewing the error logs on each server is a time consuming
Sql Server Event Log
process, especially when working on other issues. I wanted to review the error logs when there sql server error log location 2012 are entries in them which need my attention. How can I accomplish this task in an automated manner by receiving emails? Read this tip to sql server 2014 error log location learn how to become a more proactive DBA. Solution Important diagnostic information is available in the SQL Server error logs. There are entries related to database backups and recovery, changes in the recovery model, unsuccessful logins, and DBCC messages are some of https://technet.microsoft.com/en-us/library/ms191202(v=sql.105).aspx the various items logged in the SQL Server error log. In this tip we will look at the steps to configure automatic email alerts when there is an entry in the SQL Server error log that may need to be addressed. For this setup, I am using two stored procedures (one for monitoring and one for alerting) and a SQL Server which has Database Mail enabled, to notify via email alerts. What does the monitoring stored procedure do? The monitoring stored procedure's main https://www.mssqltips.com/sqlservertip/2307/automate-monitoring-sql-server-error-logs-with-email-alerts/ functionality is to read the current SQL Server log into a temporary table and filter those records which are older than certain number of minutes. The data which is in the rows format in the temporary table is concatenated in the form of a paragraph and then finally inserted into a table. How does the monitoring stored procedure work? Let's take a look at how this monitoring stored procedure works. The stored procedure accepts an integer value as a parameter, which is used later to filter the data from the error log. Then it reads the current SQL Server error log and writes the data into a temporary table. The data in the temporary table is deleted when it is older than the minutes passed as parameter, or 6 minutes, from the current time. SQL Server startup messages and database backup entries written into error log file are also deleted. The next step in the procedure stores the error log information in the temporary table to a local variable @ERRORMSG. In a period of 5 minutes, there can be multiple entries into the error log. I used COALESCE and CHAR(13) carriage return to retain the separate error messages in a new line when the alert is sent. Once the records in the temporary table are added into the variable, the temporary table is dropped. The same set of code repeats twice, that is because the sp_readerrorlog output varies in SQL Server 2000 and later versions. The
Server 2016 SQL Server 2014 SQL Server 2012 SQL Server 2008 AdministrationBackup and Recovery Cloud High Availability Performance Tuning PowerShell Security Storage Virtualization DevelopmentASP.NET Entity Framework T-SQL Visual Studio Business IntelligencePower http://sqlmag.com/database-performance-tuning/automate-sql-server-error-log-checking BI SQL Server Analysis Services SQL Server Integration Services SQL Server Reporting Services http://www.sqlservercentral.com/articles/SQL+Server+error+log/101955/ InfoCenters Advertisement Home > Database Administration > Database Performance Tuning > Automate SQL Server Error Log Checking Automate SQL Server Error Log Checking A custom solution for a mixed environment Sep 28, 2008 Richard Ding | SQL Server Pro EMAIL Tweet Comments 2 Advertisement SQL Server has a built-in GUI you sql server can use to expand the SQL Server Logs node to check error logs. In SQL Server 2000 this GUI is the Enterprise Manager; in SQL Server 2005 it’s SQL Server Management Studio (SSMS). Because using these tools to examine log contents can be slow, many people instead log on to the server console to read the physical logs with WordPad. In addition, some DBAs use sql server error the undocumented stored procedure sp_readerrorlog to view logs. However, these methods are inefficient and labor intensive. If you’re managing thousands or even just hundreds of SQL Server systems, you might spend most of the day manually checking each server. An alternative is to use a third-party tool to automate the process. But even this solution isn’t ideal; the tool you choose might lack certain flexibility, such as the ability to add or remove target events at will or the ability to adjust the reporting time frame for error logging. Moreover, third-party tools generate additional costs and installation time. My solution was to create my own automated, customizable, flexible, and accurate method for searching and reporting on SQL error logs. I designed my solution for an environment in which a large number of SQL Server 2005 and SQL Server 2000 instances coexist. My Environment The SQL Server farm that I manage consists of about 50 SQL Server 2005 systems and 50 SQL Server 2000 systems. I have a dedicated SQL Server 2005 box that serves as a central monitoring server. This system runs SQL Server 2005 Enterprise Edition SP2 on top of Windows Ser
Stay up to date: Daily newsletters with brand new articles, scripts, editorials and a Question of the Day help you keep on top of SQL Server. Sign up No thanks Improve your SQL Server knowledge daily with more articles by email. Sign up Thank this author by sharing: Rate this Join the discussion Add to briefcase Automate SQL Server Log Monitoring By Willem Gossink, 2015/10/30 (first published: 2013/09/16) Introduction Do you scan the SQL Error Logs of all your SQL production servers on a daily basis? Do you monitor the logs for failed logins? Without tools, this can be a challenge because the bulk of the log messages can usually be ignored. The solution described below requires no external tooling and may help you not to miss out on important error messages and failed logins. It is designed to run from a monitor server and poll linked servers but can also be used ‘locally’ and run on a per-server basis. Setup The core of the solution is a stored procedure which uses XP_READERRORLOG to retrieve the last 24 hours of messages from a given SQL server. It can do this for a number of SQL servers and will check older versions of the server log if the current version contains less than 24 hours of messages (this can happen when SQL is restarted or the log is reinitialized). In case of identical messages, the message is logged only once, but the number of occurrences is recorded. Many error messages are informational and others may be ‘expected’ in your environment. You probably want to be warned only about the unexpected ones, so a stored procedure is included which filters the results in the holding table. The basis of the filter is an ‘exclusion table’: a table with (parts of) messages you want to exclude. You can define general exclusions (all servers, any time) or specific ones (only server X, or only server Y between 02:15 and 04:30). Finally, all remaining log entries for all servers combined are emailed in an easy-to-read tabular layout: Setup in More Detail Below, setup is described for a multi-server situation. This implies having/choosing a monitor server with linked server access to all SQL servers whose error logs you want to monitor. The linked servers need to have the option 'RPC out' set to 'True'. Having a separate monitor server is not technically necessary. If you do not have the resources, you can use one of your regular SQL servers as monitor server. On your monitor server (SQL 2005/2008(R2)): Create a small (e.g. 10 MB) database called 'MonitorDB'. Create one or more linked servers on the monitor server and m