Currently, we are running a bit of a hodge podge as far as our server infrastructure is concerned. We are running 2 Win2003 AD servers, 2 Exchange 2003 servers in FE/BE config, and a storage server with 1TB total storage in a Raid5 config (drives are SATA). We also want to ad a Terminal Server to this, and switch all our users to thin clients. What we are looking at doing is consolidating these into two identical servers (that will be clustered to share resources and provide high avail) running Microsoft Virtual Server. I am a total rookie at clustering and what it needs. I am aware that in order to cluster, you need a type of shared storage, but my question is, can I cheap out and get a half decent NAS, or do I need to go with the full fibre channel SAN? Oh, as far as backup is concerned, we have about 2Gigs of file backups, plus system state for the AD and Exchange servers. I am currently running backups to a hot swapable SATA drive on my storage server, which is then removed off site and replaced with another every week (we have 4 that we rotate through).
If anyone could please help me through the hardware requirements of this configuration, or has any advice on a simpler way to do this, please help. Thanks Experts!!!