[ofa-general] can not join due to rate:2.5Gbps < group:10Gbps?

[Hal Rosenstock]

On Fri, 2008-04-04 at 11:25 -0400, Brian J. Murrell wrote:
> On Fri, 2008-04-04 at 10:14 -0500, Todd Rimmer wrote:
> > I would not recommend reconfiguring your SM for this situation.
> 
> Indeed, if what you say below pans out, I'd rather not.
> 
> > Instead, you most likely have a bad cable or possibly a bad HCA or
> > switch port.  All IB products shipped within the last 6 years support
> > 10g, so the fact your system has negotiated to 2.5g indicates a problem
> > with the link.
> 
> OK.  I will investigate this.  Is there any more direct method of
> determining what rate an HCA has negotiated than using the "ibdiagpath
> -l $nid" mechanism that I have been using?  It seems like a kind of
> round-about method of getting that information.

Try ibcheckwidth for this particular problem

> > Bad or poorly connected cables are the typical cause.
> 
> I will have the hardware guys take another look at that.
> 
> Thanx for all the pointers!
> 
> b.
> 
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