Anybody here ever build a Storage Area Network?

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Any of my fellow techno-geek DU'ers ever build a SAN? I am starting a SAN project for my company and I have a couple of questions. First, who are you using for HBA's, switches and storage? Where does software come into play. I see that there is software for the HBA's. There is also software for the storage, but that seems to be an add on. How are you handling it? Also bonus points to anyone using VMware.

What do you think of HP, EMC, NetApp and others.

Thanks!