Fabric design, the good the bad and the ugly.

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For numerous years entire bibles have been filled with storage design concepts, pro’s, cons, benefits, cost structures on port-counts vs. performance etc. however whenever I get to see a fabric overview of what is connected to what and how stuff goes back and forth between initiators and targets it always (well around 99% of the time) looks like this.

standard_fabricObviously this is a, so called, core-edge fabric with . I’ll ask you the following question: Why is this a bad design. On second thought, I’ll spare you making a list of flaws and turn the question around. Why is this a good design? There is only one answer and this is why:

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About Erwin van Londen

Master Technical Analyst at Hitachi Data Systems
Config Guide, Storage Networking, Troubleshooting , ,

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