perfSONAR User Q&A and Other Discussion

[Aaron Brown <>]

Hey Winnie,

> On Feb 2, 2015, at 10:56 AM, Winnie Lacesso 
> <>
>  wrote:
> 
> 
> Greetings Maestro!
> 
> On Mon, 2 Feb 2015, Aaron Brown wrote:
> 
>> Hey Winnie,
>> 
>> A reboot is probably easiest, but you should only need to restart
>> 'regular_testing'. The rest should be fine. 
> 
> Agreed about reboot - will do later; but last time "just a reboot" ended 
> up in PAIN with 0% free inodes & a disk full of a zillion tiny files.
> 
> Anyway decided to start them in batches & watch for failures. After 
> successful start of perfsonarbuoy_ma & perfsonarbuoy_owp_collector, the 
> next one
> failed:
> 
> root@lcgnetmon>
>  service perfsonarbuoy_owp_master start
> Conf::must_get_val(ATTR=>NODE, ) undefined, called from 
> /opt/perfsonar_ps/perfsonarbuoy_ma/bin/powmaster.pl:154
> Couldn't start perfSONAR-BUOY OWAMP Measurement Service
> 
> Can someone help translate where to find its problem?

As of 3.4, the perfsonarbuoy tools are no longer used. The new service is 
called “regular_testing”.

> Something is writing to owamp_bwctl.log
> 
> Feb  2 15:52:40 lcgnetmon owampd[14270]: FILE=sapi.c, LINE=466, 
> ControlSession([lcgnetmon.phy.bris.ac.uk]:861) accepted from 
> userid(nil):([epgperf.ph.bham.ac.uk]:56242)
> Feb  2 15:52:40 lcgnetmon owampd[11229]: FILE=policy.c, LINE=1811, ResReq 
> ALLOWED: regular:request:bandwidth = 3360 (result = 208320, limit = 
> 10000000)
> 
> & something has spawned 148 of these:
> 
> owamp    13926 13925  0 15:50 ?        00:00:00 /usr/bin/owampd -c 
> /etc/owampd -R /var/run

This is remote hosts running owamp tests to your box.

> That's on the BROKEN Latency box; the other Bandwidth box has 1 (not 148) 
> of those owampd processes. Are many of those on a Latency box normal?
> 
> 
> (Haven't re-enabled the crontabs yet. Last.)

That’s normal on a latency box. Bandwidth hosts don’t have owamp tests to 
them, so won’t have those processes.

Cheers,
Aaron