[openib-general] Setting HCA LinkWidth

[Amit H Kumar]

openib-general-bounces at openib.org wrote on 10/03/2006 01:39:41 PM:

> Hi Amit,
>
> On 10/3/06, Amit H Kumar <AHKumar at odu.edu> wrote:
> >
> > Hi OpenIB,
> >
> > I am not sure if this question belongs to this list or not. But if
anyone
> > can give me some lead it will be very helpful.
> >
> > One of the HCA card in our cluster is running at LinkWidth 1x: as
opposed
> > to 4x on all other nodes.
> > I have been trying to set it to 4x using the iba_portconfig tool but
> > nothing seems to work.
> >
> > Can anyone tell me what is the general approach in doing so.
>
> If the port is coming up as 1x, it likely indicates a bad cable.  You
> can check the port error counters to validate, or you can exchange two
> cables (one of which you know was used in a 4x link) and see if the
> problem follows the cable.

I will give that a try.

Thank you,
-AK

>
> - Fab
>
> _______________________________________________
> openib-general mailing list
> openib-general at openib.org
> http://openib.org/mailman/listinfo/openib-general
>
> To unsubscribe, please visit
http://openib.org/mailman/listinfo/openib-general
>