[ofa-general] Cisco 7008 Internal/External Port Mappings

[Hal Rosenstock]

On Thu, 2008-07-10 at 19:15 -0400, Charles Taylor wrote:
> Nope.   Looks pretty much the same as ibnetdiscover without the "- 
> g".    It would be really useful if it *did* work.  :)

IMO it should be made to work properly.

> Thanks for the suggestion though.     I think we just may be stuck  
> mapping it empirically.

For now :-(

>     I'm sure the pattern will become obvious  
> quickly enough.

I'll be curious about your findings (and the ibnetdiscover file).

-- Hal

> Charlie Taylor
> UF HPC Center
> 
> On Jul 10, 2008, at 5:36 PM, Hal Rosenstock wrote:
> 
> > On Thu, 2008-07-10 at 17:27 -0400, Charles Taylor wrote:
> >> We've got a couple of Cisco 7008/Topspin 270 core switches.    Much  
> >> of
> >> the diagnostic and topology information we get from the ib diag tools
> >> in OFED refer to the internal ports rather than the actual external
> >> slot/port.
> >
> > Does ibnetdiscover -g work ? There was some work done to do this  
> > mapping
> > for Cisco but it may be out of date.
> >
> > -- Hal
> >
> >>    We could deduce the mappings, I suppose, by tracing
> >> cables and using ibtracert between nodes but that seems like a real
> >> pain.    I was wondering if anyone on this list knows how that  
> >> mapping
> >> works.     The chassis itself consists of 8 "ib port" blades in the
> >> front labelled as slots 1 - 8.   There are then six "fabric
> >> controller" slots in the back of the chassis labelled 9 - 14.
> >> Slots 11 and 12 are "special" as they hold the "master" and "standby
> >> master" fabric controllers.
> >>
> >> Seems like the FC's in slots 11 and 12 connect the the FCs in slots
> >> 9,10,13,14 which in turn connect to the external port blades in slots
> >> 1 - 8.
> >>
> >> Again, all of the diagnostic information refers to the internal FC
> >> ports and mapping those to the external ports (to which we actually
> >> connect leaf switches) seems non-trivial.    I think there was even a
> >> document somewhere that described the mapping.   We just can't find  
> >> it
> >> now.
> >>
> >> Thanks,
> >>
> >> Charlie Taylor
> >> UF HPC Center
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