The attached guide is a whitepaper that explains the process and requirements for validating an Exchange storage solution prior to releasing an Exchange deployment into production. The whitepaper explains how Jetstress works, how to plan for and perform a Jetstress test, and how to automate the process. You can use this whitepaper with any version of Exchange you plan to deploy.
For more information on this download see: http://blogs.technet.com/b/exchange/archive/2010/11/15/3411534.aspx