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List:       freebsd-hackers
Subject:    Re: Fibre channel
From:       Wilko Bulte <wilko () yedi ! iaf ! nl>
Date:       1998-10-30 18:25:11
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As Hallam Oaks wrote...
> Hi,
> 
> I'm now going to demonstrate my total ignorance of fibre channel ;)
> 
> Who here can tell me what we need to set up a working fibre channel hard 
> drive system, apart from the controller and drive ? I'm not referring 
> specifically to FC on FreeBSD per se, but the actual hardware.
> 
> I know I'd (obviously) need some fibre optic cable, but I'm unsure if you 

Not so obviously as you think: FC also runs on copper wiring. For shorter
max distances though.

> also need an external optical transciever. That is, I'm unsure if these are 
> built into the FC hardware, or if the FC devices connect to the transcievers 
> via some sort of standard electrical - rather than optical - interface.

On adapters you normally will find GLM (gigabit link modules). These can
be for copper or for multi or single mode fiber.

> If so, does anyone know how much these transcievers tend to cost (low power 
> type) ? What else is needed to have a working system ? (apart from the driver 
> software that is ... at the moment I'm only concerned about hardware.)

FC stuff is currently still pretty expensive. Check www.emulex.com for
some sample hardware.

Wilko
_     ______________________________________________________________________
 |   / o / /  _  Bulte 				  email: wilko@yedi.iaf.nl 
 |/|/ / / /( (_) Arnhem, The Netherlands          WWW  : http://www.tcja.nl
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