Fibre Channel Information Tool (fcinfo)
Released on Monday, Feb 19, 2007, this tool can be run from Windows Server 2003 or Windows 2000 to enumerate disks and configuration information for attached SANs.
Download it here: http://www.microsoft.com/downloads/details.aspx?familyid=73d7b879-55b2-4629-8734-b0698096d3b1&displaylang=en&tm