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I've been attempting to gather performance counters for mirroring using perfmon, over a period of time and saving this to a log file. I am able to do this without problem for general SQL Server counters (Using this tutorial by Brent Ozar: http://www.brentozar.com/archive/2006/12/dba-101-using-perfmon-for-sql-performance-tuning) but for mirroring my log file is always corrupted and opens in perfmon showing nothing. I have tried using perfmon on Windows Server 2003 and Windows Server 2008R2 but both error out. I get an error sometimes that says: a binary counter had less than two values.

Has anybody run across this issue? There are many mirroring counters, and so don't know which of them is causing the problem). (Note: collecting mirroring info on SQL2005 Enterprise - principal server).

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closed as off-topic by Max Vernon, Paul White, RolandoMySQLDBA, bluefeet, Jon Seigel Oct 2 '13 at 23:39

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If I try sys.dm_os_performance_counters as a workaround - how do I go about gathering the performance data over a period of 1 day? –  Dina Feb 15 '12 at 16:43
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