[ofa-general] Re: opensm: a bug in heavy sweep? - no LFT re-configuration

[Hal Rosenstock]

On 7/23/07, Sasha Khapyorsky <sashak at voltaire.com> wrote:
>
> Hi Eitan,
>
> On 20:59 Mon 23 Jul     , Eitan Zahavi wrote:
> > Hi Sasha, Hal,
> >
> > I think I have an idea:
> >
> > Since this is a specific switch that reported ChangeBit or Trap why
> > can't we just qualify that there was no change in the switch setup?
>
> The ChangeBit seems to be good start point - then OpenSM will query all
> switch ports PortInfo anyway and if for all ports PortState is <= INIT
> (and at least for one port it is = INIT), it means that this switch was
> rebooted/reinitialized.
>
> And for single port PortState drop to = INIT should indicate
> reinitialization.
>
> Seems correct?


Wouldn't this be all ports in INIT indicate reset of switch ?

-- Hal

> We could send PortInfo, SwitchInfo,
>
> SwitchInfo is queried at each light sweep, PortInfo's if ChangeBit is
> set. Guess we are ok with it even now.
>
> > LFT, MFT, SL2VL, VLArb, PKey queries
> > and make sure no change from previous state. Or we could simply enforce
> > last state by sending it over again ...
>
> I think we could want to re-read PKey tables in order to preserve
> existing PKey indices and just to flush (overwrite with new settings)
> LFT, MFT, SL2VL, VLArb tables. Reasonable?
>
> Sasha
>
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