[ofa-general] Direct / "Crossover" IPOIB

[Or Gerlitz]

Robert Dunkley wrote:
>
> I’ve just setup two machines linked by a single Inifiniband cable. The 
> IPOIB side of things looks OK, ifconfig shows the interface and each 
> machine can ping itself on its Infiniband IP. They cannot ping each 
> other though and ibstat looks wrong. What do I need to do to make this 
> setup work?
>
> Port 1:
>
> State: Initializing
>
> Physical state: LinkUp
>
> Base lid: 0
>
> SM lid: 0
>
you have to run SM (Subnet Manager), if you issue

$ opensm

on one of the nodes, it will do that.

Or.