[openib-general] [CM] what happen if the path in the REQ packet (primary or alternate) is not reversible?

[Hal Rosenstock]

On Mon, 2006-11-27 at 14:24, Sean Hefty wrote:
> dotanb at dev.mellanox.co.il wrote:
> > The reason is that today there aren't many (any?) heterogeneous clusters
> > with SDR and DDR nodes, but we need to be prepared ..
> 
> Would that affect whether a path is reversible?

That shouldn't affect a path's reversibility. There might be a better
path though...

-- Hal

> > I think that if the CM doesn't support non reversible paths, at least it
> > should fail to send the REQ in order to let the user understand that there
> > is a problem ...
> 
> This would be easy enough to add.  The rdma cm should also only query for 
> reversible paths.
> 
> - Sean
> 
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