[ofa-general] Re: OpenSM and fat tree

[Hal Rosenstock]

On Thu, 2008-05-15 at 10:26 -0600, Chris Worley wrote:
> On Thu, May 15, 2008 at 10:10 AM, Hal Rosenstock <hrosenstock at xsigo.com> wrote:
> > Chris,
> >
> > On Thu, 2008-05-15 at 09:52 -0600, Chris Worley wrote:
> >> Is there any command line utility to tell nodes that don't see the
> >> route change to "go ask the SM again for your routes"... or "clear the
> >> route table"?
> >
> > I'm not sure what you're asking. There is no route table at end nodes;
> > only switch nodes and the SM maintains these. The end node only has path
> > records which it has retrieved and perhaps cached. Path records should
> > be refreshed when SM or local LID changes which are local events to the
> > end node.
> 
> After an sm change (i.e. using the "-r" switch),

That should be a local LID change.

>  nodes can't ping each
> other over IPoIB (other protocols also can't communicate).

Sounds like ULP issue(s) in handling this. What kernel and/or OFED
version are you running ?

-- Hal

> Restarting the OFED stack works, but modules won't unload if there was
> something active (i.e. Lustre), so the only recource to getting the
> OFED stack working again is a hard reboot.
> 
> That's what I'd like to avoid if possible.
> 
> Chris
> >
> > -- Hal
> >
> >> On Thu, May 15, 2008 at 5:19 AM, Sasha Khapyorsky <sashak at voltaire.com> wrote:
> >> > Hi Hal,
> >> >
> >> > On 04:19 Mon 12 May     , Hal Rosenstock wrote:
> >> >>
> >> >> I filed this as bug 1031:
> >> >> https://bugs.openfabrics.org/show_bug.cgi?id=1031
> >> >>
> >> >> > It would be nice if I could reproduce it in simulation.
> >> >>
> >> >> Yes, that would be nice; but I don't have a sim case.
> >> >
> >> > Do you have ibnetdiscover file for this case? If not from where report
> >> > is coming?
> >> >
> >> > Sasha
> >> > _______________________________________________
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> >> >
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> >> >
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> >