Parse Sql Server Error Log
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Xp_readerrorlog 2014
Hey Scripting Guy (PowerShell) Networking Identity, Access & Security Datacenter and Private Cloud Security Active Directory Enterprise Mobility Ask Directory Services Hey, Scripting Guy! Blog Learn about Windows PowerShell Use PowerShell to Get the SQL Server Error Log ★★★★★★★★★★★★★★★ May 31, 2011July 4, 2015 by ScriptingGuy1 // 1 Comments Share 0 0 Summary: Microsoft Scripting Guy, Ed Wilson, talks about different ways to use Windows PowerShell to get the SQL Server error log. Hey, Scripting get-sqlerrorlog Guy! I have recently inherited a Microsoft SQL Server 2008 R2 box, and I am concerned about the thing. I am not a DBA, and to be honest the server sort of frightens me a bit. When I look into the Application log, there is lots of information about SQL, but it all seems to be SPAM, and it does not really seem to tell me much useful information. I am wondering if Windows PowerShell can help me with this server, and if so, where is the real error log for the SQL server? —PV Hello PV, Microsoft Scripting Guy, Ed Wilson, is here. As it turns out, a couple of weeks ago I was talking about Windows PowerShell at the SQL Rally in Orlando, Florida. Microsoft SQL Server MVP, Aaron Nelson (aka SQLVariant), The Scripting Wife, and I hosted a Birds of a Feather table one afternoon, and we had the chance to talk to lots of SQL DBAs. The following picture was taken shortly before the Birds of a Feather session commenced. Anyway, as it turns out, I had a rather interesting conversation with Microsoft SQL Server MVP, Allen Kinsel, about using Windows PowerShell to query the SQL Server error log. He stated that Windows PowerShell is too hard for non-developers to use. In some respects, he is correct. In
| 2 | 3 | More > sql error log location Monitoring ProblemOne of the issues I have is that
Sqlpsx
the SQL Server Error Log is quite large and it is not always easy
Xp_logevent
to view the contents with the Log File Viewer. In a previous tip "Simple way to find errors in SQL Server error log" https://blogs.technet.microsoft.com/heyscriptingguy/2011/05/31/use-powershell-to-get-the-sql-server-error-log/ you discussed a method of searching the error log using VBScript. Are there any other easy ways to search and find errors in the error log files? SolutionSQL Server 2005 offers an undocumented system stored procedure sp_readerrorlog. This SP allows you to read the contents of https://www.mssqltips.com/sqlservertip/1476/reading-the-sql-server-log-files-using-tsql/ the SQL Server error log files directly from a query window and also allows you to search for certain keywords when reading the error file. This is not new to SQL Server 2005, but this tip discusses how this works for SQL Server 2005. This is a sample of the stored procedure for SQL Server 2005. You will see that when this gets called it calls an extended stored procedure xp_readerrorlog. CREATE PROC [sys].[sp_readerrorlog](
@p1 INT = 0,
@p2 INT = NULL,
@p3 VARCHAR(255) = NULL,
@p4 VARCHAR(255) = NULL)
AS
BEGIN
IF (NOT IS_SRVROLEMEMBER(N'securityadmin'
PoSh DBA - Reading and Filtering Errors 10 January 2014The PoSh DBA - Reading and Filtering ErrorsDBAs regularly need to keep an eye on the error logs https://www.simple-talk.com/sql/database-administration/the-posh-dba-reading-and-filtering-errors/ of all their SQL Servers, and the event logs of the host servers as https://www.brentozar.com/archive/2015/09/forgotten-maintenance-cycling-the-sql-server-error-log/ well. When server numbers get large, the traditional Windows GUI approach breaks down, and the PoSH DBA reaches for a PowerShell script to do the leg-work. 18 10 Laerte Junior "I know I'm searching for something Something so undefined that it can only be seen by the eyes of the blind in the middle sql server of the night." Billy Joel
Contents Reading the Windows Event Viewer 2 Get-EventLog examples. Getting entries from the Windows Error Log into Excel 3 Listing the last day that an entry was made in the Application Event Log Listing the System Event Log for the past two hours. 4 listing the Event Log between two time-periods. 4 Filtering the error log by the Error types. 5 Reading parse sql server errors from just one particular source. 6 Reading all messages containing a specific string. 6 Selecting events according to a variety of conditions. 6 Selecting the event logs of a number of servers and instances?. Reading the SQL Server Error Log. 7 Accessing SQL Error logs in Online SQL Server Instances. 8 Accessing SQL Error logs in OffLine SQL Server Instances. 10 Applying Filters to the SQL Error Log. 13 SQL Error Log in Online SQL Server Instances. 13 SQL Error Log in Offline SQL Server Instances. 19 Summary. 22 Introduction One of the everyday tasks of any DBA is to look for errors in your database server environment. With SQL Server, we have two major sources of information for doing this: the SQL Server Error Log and the Event Viewer. When a problem occurs in SQL Server, ranging from a logon failure to a severe error in database mirroring, the first place to look for more information is the SQL Server Error Log. Similarly, if we have a problem related to physical hardware, the disk for example, we will look in the Event Viewer. Both the SQL Server Error Log and the Event Viewer are designed to be used via their respectiveFacebook Twitter LinkedIn YouTube GitHub Forgotten Maintenance - Cycling the SQL Server Error Log September 30, 2015Jeremiah Peschka20 comments Most of us get caught up in fragmentation, finding the slowest queries, and looking at new features. We forget the little things that make managing a SQL Server easier - like cylcing the SQL Server error logs. What's the Error Log? The SQL Server error log is a file that is full of messages generated by SQL Server. By default this tells you when log backups occurred, other informational events, and even contains pieces and parts of stack dumps. In short, it's a treasure trove of information. When SQL Server is in trouble, it's nice to have this available as a source of information during troubleshooting. Unfortunately, if the SQL Server error log gets huge, it can take a long time to read the error log - it's just a file, after all, and the GUI has to read that file into memory. Keep the SQL Server Error Log Under Control It's possible to cycle the SQL Server error log. Cycling the error log starts a new file, and there are only two times when this happens. When SQL Server is restarted. When you execute sp_cycle_errorlog Change everything! When SQL Server cycles the error log, the current log file is closed and a new one is opened. By default, these files are in your SQL Server executables directory in the MSSQL\LOG folder. Admittedly, you don't really need to know where these are unless you want to see how much room they take up. SQL Server keeps up to 6 error log files around by default. You can easily change this. Open up your copy of SSMS and: Expand the "Management" folder. Right click on "SQL Server Logs" Select "Configure" Check the box "Limit the number of error log files before they are recycled" Pick some value to put in the "Maximum number of error log failes" box Click "OK" It's just that easy! Admittedly, you have to do this on every SQL Server that you have, so you might just want to click the "Script" button so you can push the script to multiple SQL Servers. Automatically Rotating the SQL Server Error Log You can set up SQL Server to automatically rotate your error logs. This is the easiest part of this blog post, apart from closing the window. To cycle error logs on a regular basis, restart your SQL Server nightly. Only joking. You can set up a SQL Agent job wi