perfSONAR User Q&A and Other Discussion

[Marian Babik <>]

Hi Frederic,
as you’re running specific configuration for WLCG/OSG, you can use 
wlcg-perfsonar-support mailing list or GGUS directly to get support. For the 
particular case, let’s follow it up in a separate thread.

Cheers,
M.

On 23 Nov 2015, at 17:59, Andrew Lake 
<>
 wrote:

> Hi,
> 
> In both cases it is trying to get data from the Central MA run by OSG at 
> http://psds.grid.iu.edu/esmond/perfsonar/archive/. That is populated by 
> periodically polling the MAs running locally on each of your machines and 
> copying the results to psds.grid.iu.edu. It might be worth checking that 
> the software pulling the results is able to retrieve them. That is 
> something developed within OSG so I have copied Shawn McKee who can help 
> point you in the right direction. Since your MA is only open to certain 
> locations it would seem, it’s possible its just a firewall issue or similar 
> and the software pulling the results is just getting blocked. That’s just a 
> guess, but may be a good place to start if you have already confirmed you 
> have the data locally.
> 
> Hope that helps,
> Andy
> 
> 
> 
> 
> 
> 
> On Mon, Nov 23, 2015 at 9:16 AM, SCHAER Frederic 
> <>
>  wrote:
> 
> Hi,
> 
> 
> 
> 
>  
> 
> My perfonsar hosts appear in maddash with missing data for all 
> lines/columns. All squares are half orange…
> 
> 
> 
> The issue can be seen on this dashboard (GRIF perfsonar02 host) : 
> http://psmad.grid.iu.edu/maddash-webui/index.cgi?dashboard=Dual-Stack%20Mesh%20Config
> 
> 
> 
> 
>  
> 
> The errors displayed is :
> 
> 
> 
> “Unable to find any tests with data in the given time range where source is 
> ccperfsonar1.in2p3.fr and destination is perfsonar02.datagrid.cea.fr”
> 
> 
> 
> 
>  
> 
> Thing is.. I don’t see many things in the error logs.
> 
> 
> 
> It is as if tests were running, but data did not appear in the 
> results/measurement archives in the right place. Or at least in maddash.
> 
> 
> 
> Because when I look here : http://ccperfsonar1.in2p3.fr/toolkit/ , I see 
> bidirectional results.
> 
> 
> 
> When I look here : https://perfsonar02.datagrid.cea.fr/toolkit/, I also see 
> bidirectional results
> 
> 
> 
> 
>  
> 
> Side question would be : where does maddash look for those test results ? 
> Locally on the perfsonar host ? using http (filtered out except for the 
> perfsonar maddash network, i.e 129.79.53.0/24 and 192.41.231.110) or https ?
> 
> 
> 
> 
>  
> 
> The only thing that I see repeated many times a day in the logs are peer 
> errors :  “Peer cancelled test before expected”
> 
> 
> 
> 
>  
> 
> Example :
> 
> 
> 
> Nov 23 11:27:09 perfsonar02 bwctld[39868]: FILE=sapi.c, LINE=353, 
> Connection to (perfsonar02.datagrid.cea.fr:16104) from 
> (perfsonar-bw.cern.ch:45395)
> 
> 
> 
> Nov 23 11:27:09 perfsonar02 bwctld[39868]: FILE=sapi.c, LINE=510, 
> ControlSession([perfsonar02.datagrid.cea.fr]:16104) accepted from 
> userid(nil):([perfsonar-bw.cern.ch]:45395)
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Local server has exited
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: 1090 seconds until next testing 
> period
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Spawning endpoint to handle 
> remote side
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: ParisTracerouteAvailable(): 
> Unable to verify that 'paris-traceroute' is working. It may not be 
> installed. exit status: 1: output: Cannot create a raw socket (are you 
> root?): Operation not permitted#012E: Cannot create libparistraceroute 
> loopUnknown error: Invalid argument
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Couldn't initialize tool 
> "paris-traceroute". Disabling it.
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Connection to (unixsock:unnamed) 
> from (unixsock:unnamed)
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: 
> ControlSession([unixsock]:unnamed) accepted from 
> userid(nil):([unixsock]:unnamed)
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwctld[39900]: FILE=sapi.c, LINE=353, 
> Connection to (perfsonar02.datagrid.cea.fr:4823) from 
> (perfsonar02.datagrid.cea.fr:58635)
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwctld[39900]: FILE=sapi.c, LINE=510, 
> ControlSession([perfsonar02.datagrid.cea.fr]:4823) accepted from 
> userid(nil):([perfsonar02.datagrid.cea.fr]:58635)
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Using perfsonar02.datagrid.cea.fr 
> as the address for remote sender
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Using 
> perfsonar-bw.tier2.hep.manchester.ac.uk as the address for remote receiver
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Available in-common: traceroute 
> tracepath
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Using tool: tracepath
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Server 
> 'perfsonar-bw.tier2.hep.manchester.ac.uk' accepted test request at time 
> 1448274446.807215
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: Client 
> 'perfsonar02.datagrid.cea.fr' accepted test request at time 
> 1448274446.807215
> 
> 
> 
> Nov 23 11:27:15 perfsonar02 bwtraceroute: 21 seconds until test results 
> available
> 
> 
> 
> Nov 23 11:27:16 perfsonar02 bwctld[39908]: FILE=sapi.c, LINE=353, 
> Connection to (perfsonar02.datagrid.cea.fr:4823) from 
> (perfsonar2.mi.infn.it:36227)
> 
> 
> 
> Nov 23 11:27:16 perfsonar02 bwctld[39908]: FILE=sapi.c, LINE=510, 
> ControlSession([perfsonar02.datagrid.cea.fr]:4823) accepted from 
> userid(nil):([perfsonar2.mi.infn.it]:36227)
> 
> 
> 
> Nov 23 11:27:17 perfsonar02 bwtraceroute: 1116 seconds until next testing 
> period
> 
> 
> 
> Nov 23 11:27:21 perfsonar02 bwctld[39868]: FILE=endpoint.c, LINE=1310, 
> PeerAgent: Peer cancelled test before expected
> 
> 
> 
> 
>  
> 
> I am assuming there is some port filtered out somewere or some 
> misconfiguration, but I’d appreciate some help hunting down the issue as my 
> logs do not help much…
> 
> 
> 
> 
>  
> 
> Thanks && regards
> 
> 
> 
> Frederic
> 
> 
> 
> 
>  
> 
>

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