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Posted by Ralf Eberhardt on August 10, 2008, 10:26 am
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David Friedl schrieb:
> How are others dealing with the issue of keeping the SAN fabric simple by
> using as few inter-switch links as possible and using optical passthrough in
> the bladecenters vs using SAN switching in the bladecenters and have what I
> view to be a more complex SAN? I understand that the Nexxus has some
> interesting tools to address this, but I'll be using MDS 9500's for the
> forseeable future.
>
>
If you are already using MDS in the core SAN, you might want to look at
the embedded MDS blade switches in the bladecenters.
With the NPV feature in these switches (basically the same as an MDS9124
in just another form factor) you can easily scale blade installations
because the embedded switches do not use up domain ids. Features like
Flexattach and the upcoming F-port trunking and F-Port portchannelling
allow you more flexibility than mere passthrough. And you have VSAN
capabilities down to the blades.
Also with embedded MDS switches you have additional troubleshooting
capabilities that you don't have with passthrough (e.g. SPAN).
Ralf
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