High Avg Disk Queue Length and finding the Cause

REPOST from http://www.ithacks.com/2008/09/12/high-avg-disk-queue-length-and-finding-the-cause/ Originally Posted September 12, 2008 by Chris & filed under Hardware, MySQL, Windows / Server. I recently came across this issue again and wanted to mirror this post since in case it’s deleted. Avg Disk Queue Length is one of the main counters in the perfmon application. Avg Disk Queue Length is an estimate of requests on the physical or…