[ofa-general] Setting lowest-common denominator ipoib multicast rate?

Hal Rosenstock hrosenstock at xsigo.com
Thu Oct 4 15:46:11 PDT 2007


On Thu, 2007-10-04 at 17:23 -0500, Troy Benjegerdes wrote:
> How can I set the ipoib broadcast multicast group rate such that even a 
> 1X SDR connected machine can still join the group?
> 
> I tried the following in /etc/osm-partitions.conf 

What version of OpenSM ? That's the default for an OFED 1.2 based
version of OpenSM. Default is /etc/ofa/opensm-partitions.conf for a
master/OFED 1.3 version.
 
> based on a mail list 
> posting from awhile ago, but it doesn't seem to work..
> 
> Default=0x7fff,ipoib,rate=1:ALL=full;

rate=2

> And then what does it take on the ipoib client side to pick up the new 
> partition parameters and such? reloading ipoib, or a full restart?

Restarting opensm after making the configuration change to the
partitions file should be sufficient.

-- Hal

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