[lustre-discuss] LNET Self-test

Jeff Johnson jeff.johnson at aeoncomputing.com
Sun Feb 5 11:55:14 PST 2017


Without seeing your entire command it is hard to say for sure but I would make sure your concurrency option is set to 8 for starters. 

--Jeff

Sent from my iPhone

> On Feb 5, 2017, at 11:30, Jon Tegner <tegner at foi.se> wrote:
> 
> Hi,
> 
> I'm trying to use lnet selftest to evaluate network performance on a test setup (only two machines). Using e.g., iperf or Netpipe I've managed to demonstrate the bandwidth of the underlying 10 Gbits/s network (and typically you reach the expected bandwidth as the packet size increases).
> 
> How can I do the same using lnet selftest (i.e., verifying the bandwidth of the underlying hardware)? My initial thought was to increase the I/O size, but it seems the maximum size one can use is "--size=1M".
> 
> Thanks,
> 
> /jon
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