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SQL Server monitoring situations

25 January,2011 by Jack Vamvas

I need a list of SQL Server monitoring situations for database monitoring. Could you advise?

The SQL Server monitoring strategy should  based around critical events .

For SQL Server maintenance use a strategy of daily reports such as SQL Server backup review with Powershell

How to decide

1) Focus on critical events. By commiting on to many situations monitored – “white noise” can distract from the critical situations. For example, receiving notification on every block – may obfuscate , some critical space full.

2) DBAs are busy – assessing every situation can be time consuming – therefore the notifications must be relevant

3) We are focusing here on monitoring situations – i.e a certain threshold has been reached or an event has been triggered which will notify the DBA.  This is different from daily reporting which focuses more on preventative actions. Read more on Database server : Monitoring versus reporting

As a first attempt the SQL Server  list is:

MS_SQL_DB_Space_Pct_Used_Crit (database space used > 90%)

MS_SQL_DB_Status_Crit   (database status does not equal vailable)

MS_SQL_DB_Suspect_Crit  (database in suspect mode)

MS_SQL_Log_Freespace_Critical  (Log freespace < 10%)

MS_SQL_Status_Critical   (If Status = Inactive)

MS_SQL_MS_Device_Free_Critical  (Percent of Device free is < = 5)

MS_SQL_MS_Job_Failure_Critical (Monitors SQL Server Jobs)

MS_SQL_IO_Disk_Errors_Crit    (Any io errors greater than 0)

MS_SQL_NT_Free_Disk_Warning  (Based on NT_Logical_Disk_Space_Warning)

MS_SQL_NT_SQL_Services_Fatal  (Monitors SQL Server and SQL Agent Services)

MS_SQL_UDB_SQL_Fail_High  (An application experiences too many SQL statements failures)

 I haven’t included OS monitoring  in this list

 It would be good to hear some feedback from other DBAs.

Read More

SQL Server – Monitor SQL Transaction Log AutoGrowth for performance issues
SQL Server – netstat monitoring and tuning performance

System Reserved Partition and monitoring

Author: Jack Vamvas (


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