Fast Guide: Advanced SAN:

From techtarget.com:

Now that you're beyond the basics of SAN and into more complex configuration solutions, troubleshooting performance issues, strategies and management tasks, take a look at our Fast Guide to Advanced SAN. We're sure you'll find the answers and help you've been seeking.

I'm quite a fan of non-vendor-specific information - particularly when in the decision-making phase of an engagement. However, it's a real struggle to find it.

Techtarget.com seems to have a fair range of info, and go into quite decent depth. Anyone able to recommend anyone else?