I found a blog that details how to configure an Exchange 20078 SCC with iSCSI:
http://www.shudnow.net/2008/03/13/exchange-2007-sp1-scc-using-server-2008-starwind-iscsi-part-1/
Day to day happenings of a messaging admin. I'll discuss best practices, problems, and resolutions that I come across as I work with Active Directory, Exchange 2007, Exchange 2003, Office Communications Server, clusters, Archiving Products, and SMTP gateways.