[openib-general] ucma into kernel.org

[Or Gerlitz]

Michael S. Tsirkin wrote:
> Quoting r. Or Gerlitz <ogerlitz at voltaire.com>:
>>  From our experience on order K nodes cluster, we did not have issues 
>> with CM traffic, but: the CM traffic was not NxN but rather NxM where N 
>> was (say) 1K and M was (say) 16, the app being cluster file system  - 
>> Lustre /VIBNAL which is the Lustre IB layer for the voltaire gen1 stack.
> 
> Not sure what you mean by "did not have issues with CM traffic".  Did no packets
> get lost? Did you run any other traffic on the same fabric, concurrently?  I
> also don't really see how do gen1 tests have any bearing on gen2 CMA.

The relevancy is simple:

+ it is IB
+ there are order K IB CM connections
+ it is in production, with the main IB apps being MPI && cluster fs

I can't tell if part of the acceptance was "reconnecting" the file 
system with much other IB traffic in the air.

Or.