http://www2.sqlblog.com/blogs/kevin_kline/archive/2012/10/08/the-zombie-perfmon-counter-that-never-dies-quick-tip.aspxLearn the Performance Monitor counters to avoid and those to exploit for the latest versions of Microsoft SQL Server from database expert Kevin E. Kline.enCommunityServer 2.1 SP2 (Build: 61129.1)http://www2.sqlblog.com/blogs/kevin_kline/archive/2012/10/08/the-zombie-perfmon-counter-that-never-dies-quick-tip.aspx#45499Tue, 09 Oct 2012 18:51:27 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:45499Adam Machanic<p>It gets even worse. As far as I can tell, %Disk Time is nothing more than Disk Queue Length * 100.</p> http://www2.sqlblog.com/blogs/kevin_kline/archive/2012/10/08/the-zombie-perfmon-counter-that-never-dies-quick-tip.aspx#45533Thu, 11 Oct 2012 15:36:10 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:45533KKline<p>Oh good grief! That's just not right!</p>