Umm, what? Unless you're in the twilight zone, FC
is everywhere.
I've not seen a datacenter *without* tons of FC for many years,
I work for an ISP. Our machine room is not huge, but not tiny either
(it's pulling some 20 kW), and we've got little enough FC that I've
never noticed any. (We have almost no fiber at all; what little we
have, as far as I can recall, is limited to pipes to/from the outside
world.)
We don't go in for the "big honkin' server with lots of little pod
machines" design in general, which might be relevant. Also possibly
relevant is that a large fraction - probably well over half - of our
machine room is customer co-lo gear, mostly with only a few machines
per customer.
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