Storage Options for Microsoft Exchange 2010 is technical whitepaper, sponsored by Dell.
Overview: For customers who are planning a deployment of Exchange 2010 choosing the right storage architecture can be a confusing task. Storage requirements are growing due to increased mailbox capacities and the personal archiving capability. Microsoft is advocating the choice of Direct Attached Storage as an alternative to the cost of traditional FC SAN shared storage.
This whitepaper explores implementation cost, data protection, storage management and ongoing cost of operations for various storage options.