Storage Design for Exchange Server 2007http://msmvps.com/blogs/ehlo/archive/2008/04/22/1599833.aspxThere's a new technical document from the Microsoft IT Showcase series available, this time the main subject has to do with storage design: Storage Design for Exchange Server 2007 - How Microsoft IT Exceeds High-Availability Targets with Large MailboxesenCommunityServer 2008.5 SP2 (Build: 40407.4157)