[ofa-general] openSM design document required
halr at voltaire.com
Thu Apr 5 05:56:28 PDT 2007
On Thu, 2007-04-05 at 07:05, keshetti mahesh wrote:
> ya I found that old document here
> http://infiniband.sourceforge.net/LinuxSAS.1.0.1.pdf. its dated
> 8/1/2002 ..pretty
> Is there any effort going on to design a latest openSM design document
> as such?
Nope; not that I'm aware of.
> actually i want to know how the subnet discovery in detail using
> directed route
> SMPs is implemented in openSM.
> Acc. to the spec. SM it discovers the subnet topology using directed
> SMPs. How exactly it is done in openSM.
OpenSM walks out a hop at a time starting at hop 0 based on what node
type is found at that hop level. It determines whether to walk out a
switch link based on whether the port state is down or not. Have you
looked at osm_state_mgr.c ?
> thanks and regards,
> Hal Rosenstock <halr at voltaire.com> wrote:
> On Thu, 2007-04-05 at 00:41, keshetti mahesh wrote:
> > Hi,
> > whosoever owning the openSM currently can you please give me
> > design document(not UN or RN) of it. If it is already
> > somewhere give me the links.
> > Please CC your rpelies to me .
> I am the maintainer of OpenSM and there is no current design
> There may be a very old one from the Intel IBAL days. If that
> somewhere, it's got to get at least 5 years old (and quite
> and out of date).
> -- Hal
> > thanks and regards,
> > Mahesh
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