Microsoft® Exchange Server 2007 Administrator's Companion

Storage Design Goals in Exchange Server 2007

The storage architecture of Exchange Server 2007 has three goals. The first goal is to allow a single server to host more users than is pragmatically possible in 32-bit versions of Microsoft Exchange Server, thus driving down the overall cost of storage. Storage alone can consume up to 80 percent of an Exchange project’s budget. Depending on how you have your server storage configured, the 64-bit architecture of Exchange Server 2007 allows you to use up to 75 percent fewer disks to achieve performance levels comparable to older versions of Exchange. Thus, you can make the choice between supporting the same number of users on one-quarter of the disks of your old servers; you can choose to add 300 percent ...