perfSONAR User Q&A and Other Discussion

[Jason Chong <>]

Try yum downgrade owamp-client owamp-server to downgrade to previous
version to fix the issue for now.

Jason

On Sun, Jun 08, 2014 at 11:00:13AM -0400, Kathy Benninger wrote:
> After upgrading (yum update) the XSEDE perfSONARs and rebooting last Friday,
> 6-June, one direction of OWAMP testing has stopped.  Testing runs for a
> while (<30 minutes) after reboot or restart, then stops.
> 
> This behavior shows up between the XSEDE pSs:
> http://psarch.psc.xsede.org/maddash-webui/
> (ps.tacc is not currently running owamp)
> 
> but not between testing initiated by ESnet pSs with XSEDE pSs:
> http://ps-dashboard.es.net/index.cgi?grid=ESnet%20-%20ESnet%20to%20Large%20Facility%20Packet%20Loss%20Testing
> 
> Kathy
> 
> 
> On 6/5/14 12:46 PM, Amit Khare wrote:
> > Hi Aaron,
> > 
> > We have encounter the same issue as Lixin after the upgrade. If I 
> > restart bwctld and owampd services, tests become bidirectional for few 
> > mins only. It’s the same behaviour on all our perfSONAR nodes. Please 
> > refer to the link below. Thanks,
> > 
> > Amit 
> > http://mtrl2pfs1.canarie.ca/serviceTest/index.cgi?eventType=owamp 
> >   
> > ----------------------------------------------------------------------------
> > *Amit Khare* *|* Network Engineer | *CANARIE Inc* | 45 O'Connor St., 
> > Suite 500, Ottawa, ON K1P 
> > 1A4 |  *Office:* 613-943-5377│*Cell:* 613-404-8696│*CANARIE 
> > NOC:** *613-944-5612│www.canarie.ca
> > 
> > 
> > From: Aaron Brown 
> > <
> >  
> > <mailto:>>
> > Date: Thursday, June 5, 2014 at 12:30 PM
> > To: Lixin Liu 
> > <
> >  
> > <mailto:>>
> > Cc: perfsonar-user 
> > <
> >  
> > <mailto:>>
> > Subject: Re: [perfsonar-user] updated owamp RPMs released
> > 
> > Hey Lixin,
> > 
> > This update shouldn’t have changed that. Is it still the case?
> > 
> > Cheers,
> > Aaron
> > 
> > On Jun 4, 2014, at 1:35 PM, Lixin Liu 
> > <
> >  
> > <mailto:>>
> >  
> > wrote:
> > 
> >> Hi Aaron,
> >>  
> >> I updated all our perfSONAR hosts yesterday. Since then, all latency
> >> hosts are doing one direction tests only. Is there anything else I
> >> should add in the OWAMP config file?
> >>  
> >> Thanks,
> >>  
> >> Lixin.
> >>  
> >> *From:* 
> >> 
> >>  
> >> <mailto:>
> >>  
> >> [mailto:]
> >>  *On Behalf Of *Aaron Brown
> >> *Sent:* June-03-14 9:54 AM
> >> *To:* perfsonar-user
> >> *Subject:* [perfsonar-user] updated owamp RPMs released
> >>  
> >> Hi all,
> >>
> >> A new set of OWAMP RPMs is now available. The OWAMP 3.4-8 RPMs are a 
> >> minor bugfix release that fixes an issue where sites were incorrectly 
> >> seeing very large one-way delay numbers.
> >>
> >> Those who are using the perfSONAR Toolkit, or otherwise have the 
> >> Internet2 RPM repository enabled, can run 'yum update' to get the 
> >> latest changes. For those who prefer to install the RPMs manually, the 
> >> newest version can be downloaded from http://software.internet2.edu/ . 
> >> After installation, you will need to restart bwctld to use the new 
> >> features. You can do this by running “/etc/init.d/bwctld restart”.
> >>
> >> Please let us know if you have any questions and we look forward to 
> >> everyone's continued feedback and support!
> >>
> >> Thank you,
> >> The perfSONAR-PS Development Team
> > 

-- 
Jason Chong                                          Phone: 416-978-4157
Systems Administrator and Web App Developer      http://www.scinethpc.ca
Compute/Calcul Canada                        http://www.computecanada.ca