perfSONAR User Q&A and Other Discussion

[Jason Zurawski <>]

Hi Nick;

Sorry for the late reply, but it appears things 'worked out'.  Currently 
the regular testing infrastructure doesn't support regular nuttcp tests, 
but we are looking into how to support something like this down the road.

Thanks;

-jason

On 3/1/11 12:58 PM, Buraglio, Nicholas D wrote:
> This was apparently user error on my part.  My throughput test was configured 
> to use nuttcp and was failing as indicated in /var/log/messages.  Once I 
> changed it to iperf my problems went away.
>
> nb
>
>
> ---
> Nick Buraglio
> Network Engineer
> University of Illinois CITES / ICCN
> GPG key 0x2E5B44F4
> Phone: 217.689.4254
>
>
> On Feb 28, 2011, at 4:58 PM, Buraglio, Nicholas D wrote:
>
> > I have a perfSonar node that had been working from the liveCD for weeks, 
> > doing a bit of everything for a while, but primarily as a throughput node.  
> > It recently had a 10G interface installed (eth2) and was migrated to that as 
> > it's only live interface.  About a week ago, we noticed that the throughput 
> > testing had stopped and that the box wouldn't restart the throughput services 
> > (bwctl and  perfSONAR-BUOY for throughput).  I didn't see anything regarding 
> > those processes in the logs and thought that maybe it was an artifact of a 
> > lot of us in the box tweaking it and it having had pretty much everything 
> > turned on; it was our first test deployment so it got a lot of attention and 
> > a lot of changes were made.
> > I took this as an opportunity to install to disk and rebuild it.  Even after 
> > a fresh install I can't seem to get it back to it's state of throughput 
> > testing.   perfSONAR-BUOY fails to start pretty reliably.  Basically I'm 
> > looking for some insight into where to look for the problem as far as logs or 
> > the like, or if I've just become a victim of user error.
> > The host in question is perfsonar.ix.ui-iccn.org and it's got a pretty 
> > vanilla install of 3.2 with only one throughput test set up.
> > Any insight is appreciated.  Thanks!
> >
> > nb
> >
> >
> >
> > ---
> > Nick Buraglio
> > Network Engineer
> > University of Illinois CITES / ICCN
> > GPG key 0x2E5B44F4
> > Phone: 217.689.4254