perfSONAR User Q&A and Other Discussion

[Jason Zurawski <>]

One other item of interest (for the do-it-yourselfers out there), is to not 
forget to tune your host, particularly if you are testing on anything over a 
LAN distance and are using a LFN:

http://fasterdata.es.net/host-tuning/

Thanks;

-jason

On Dec 5, 2014, at 3:43 PM, Brian Candler 
<>
 wrote:

> On 01/12/2014 13:29, Jason Zurawski wrote:
>>> Q1: is it possible/reasonable/recommended to set up one central 
>>> management node running perfsonar toolkit, and then install just 
>>> bwctl-server and iperf and/or owamp on the other nodes?
>>> >
>>> >(I am even thinking of things like remote OSX workstations)
>>> >
>>> >I am testing toolkit 3.4.1 inside a VM, with two other hosts just 
>>> >running bwctl-server and iperf, and it appears to work; but I wonder if 
>>> >there are pitfalls I should be aware of.
>> This mode of operation will work fine.  From the standpoint of the regular 
>> testing infrastructure, it just needs a willing participant to bounce the 
>> test off of - it doesn’t matter if its a full toolkit or just daemons.  
>> Using the ‘full’ toolkit normally comes down to a choice of how people 
>> want to manage the infrastructure.  Some sites like having the machines be 
>> uniform in software setup and choose to make the central host and the 
>> beacons all the same, others may do what you are attempting and just go 
>> with minimal software requirements.
>> 
> In case anyone's interested: I've just updated the owamp in Homebrew to 
> 3.4, and added i2util and bwctl which were missing previously. This makes a 
> Mac Mini a nice easy-to-install bandwidth testing endpoint :-)
> 
> I'm using the mid-range Mac Mini (2.6GHz i5, 8GB RAM) and it happily fills 
> a gigabit: 941Mbps user throughput.
> 
> Regards,
> 
> Brian.