perfSONAR User Q&A and Other Discussion

[Aaron Brown <>]

Hey Christopher,

On Sep 16, 2013, at 6:22 PM, Christopher J. Walker 
<>
 wrote:

> On 16/09/13 23:10, Aaron Brown wrote:
>> Hey Christopher,
>> 
>> I've looked through the code and I can't fathom a scenario that would
>> produce a result like that, barring that variable not being there in the
>> first place which means my ability to fathom isn't great enough :) If
>> you grab
>> http://anonsvn.internet2.edu/svn/perfSONAR-PS/trunk/perfSONAR_PS-perfSONARBUOY/etc/owmesh.conf
>>  and
>> put it in /opt/perfsonar_ps/perfsonarbuoy_ma/etc and re-run it, does it
>> happen again?
> 
> OK - that seems to have solved the problem.
> 
> When I first ran the mesh configure script
> 
>       sudo -u perfsonar 
> /opt/perfsonar_ps/mesh_config/bin/generate_configuration
> 
> I had made a typo in one of the config files - and it never finished - so I 
> ended up using Ctrl-C. If it is editing the file in place - as it seems to 
> be, then could that be the source of the problem?

What's weird is that it doesn't actually edit the file in place. The only 
thing I can think is that either the file got zero'd out at the beginning for 
some reason, or it was a truly inopportune time to ctrl-c :)

Cheers,
Aaron

> 
> 
> Chris
>> 
>> Cheers,
>> Aaron
>> 
>> On Sep 16, 2013, at 9:38 AM, Christopher J. Walker
>> <
>>  
>> <mailto:>>
>>  wrote:
>> 
>>> On 01/08/13 11:52, Roderick Mooi wrote:
>>>> Hi Aaron
>>>> 
>>>> I started having the same problem on one of my other 3.3. hosts. When
>>>> I scheduled a new test and saved, the bwctl processes for the other
>>>> tests didn't come back. Then I changed the test frequency on the old
>>>> tests and the new one and saved again. This time no bwctl processes
>>>> appeared. Rebooting the host made no difference.
>>>> 
>>>> I then deleted all throughput tests, saved and re-created them
>>>> individually. Then saved. Now the bwctl processes are back...
>>>> 
>>>> The owmesh.conf file on the other, non working, host looks different
>>>> to the version on my other hosts which is what is causing the
>>>> problems I think - e.g. missing: BWDataDir. (It doesn't start with
>>>> "16Jul2009 SayWhatAgainIDareYou" like the files on the working hosts
>>>> do). What is the best way to reset/restore it?
>>>> 
>>> 
>>> I also have this problem having just installed perfsonar 3.3.1.
>>> 
>>> Was there a solution?
>>> 
>>> 
>>> It looks like the problem is that the mesh config
>>> 
>>> sudo -u perfsonar /opt/perfsonar_ps/mesh_config
>>> /bin/generate_configuration
>>> 
>>> generates
>>>       /opt/perfsonar_ps/perfsonarbuoy_ma/etc/owmesh.conf and this
>>> doesn't contain a variable BWDataDir
>>> 
>>> The host was completely reinstalled from scratch using the 3.3.1 netinst
>>> iso
>>> 
>>> Chris
>>> 
>>>> Thanks!
>>>> 
>>>> Regards,
>>>> 
>>>> Roderick
>>>> 
>>>>>>> On 2013-07-30 at 08:29, "Roderick Mooi" 
>>>>>>> <
>>>>>>> <mailto:>>
>>>>>>>  wrote:
>>>>> Hi Aaron
>>>>> 
>>>>> [root@perfsonar8
>>>>>  ~]# /etc/init.d/perfsonarbuoy_owp_master start
>>>>> Conf::must_get_val(ATTR=>DataDir, TYPE=>OWP, ) undefined, called from
>>>>> /opt/perfsonar_ps/perfsonarbuoy_ma/bin/powmaster.pl:158
>>>>> Couldn't start perfSONAR-BUOY OWAMP Measurement Service
>>>>> 
>>>>> [root@perfsonar8
>>>>>  ~]# /etc/init.d/perfsonarbuoy_bw_master start
>>>>> Conf::must_get_val(ATTR=>DataDir, TYPE=>BW, ) undefined, called from
>>>>> /opt/perfsonar_ps/perfsonarbuoy_ma/bin/bwmaster.pl:165
>>>>> Couldn't start perfSONAR-BUOY BWCTL Measurement Service
>>>>> 
>>>>> Clearly there is a problem above - if you can tell me where to look
>>>>> or how to
>>>>> fix it I'd appreciate it.
>>>>> 
>>>>> The output of "ps auxw" is attached. Note that this node currently has
>>>>> Throughput tests scheduled. Also, I didn't set up this node so perhaps
>>>>> something went wrong during installation that I'm not aware of...
>>>>> 
>>>>> Thanks!
>>>>> 
>>>>> Roderick
>>>>> 
>>>>>>>> On 2013-07-29 at 14:54, Aaron Brown 
>>>>>>>> <
>>>>>>>> <mailto:>>
>>>>>>>>  wrote:
>>>>>> Hey Roderick,
>>>>>> 
>>>>>> When you run "/etc/init.d/perfsonarbuoy_owp_master start", what's the
>>>>>> output? Same deal with "/etc/init.d/perfsonarbuoy_bw_master start".
>>>>>> Also,
>>>>>> could you send the output of "ps auxw"?
>>>>>> 
>>>>>> Cheers,
>>>>>> Aaron
>>>>>> 
>>>>>> On Jul 25, 2013, at 10:18 AM, Roderick Mooi 
>>>>>> <
>>>>>> <mailto:>>
>>>>>>  wrote:
>>>>>> 
>>>>>>> Good day
>>>>>>> 
>>>>>>> I am scheduling tests on a 3.3. host but not getting any results
>>>>>>> (my other
>>>>>> 3.3. hosts are working fine including testing to this host :-/ &
>>>>>> manual tests
>>>>>> work on this host without issues). When I looked closer I saw that no
>>>>>> powstream processes are being started (for one-way delay tests) and
>>>>>> when
>>>>>> adding throughput tests no bwctl processes are started. Ping and
>>>>>> traceroute
>>>>>> tests appear to work. I don't see any clear errors in the logs
>>>>>> (just bwctl
>>>>>> extracts - trying to get that working first):
>>>>>>> 
>>>>>>> ...
>>>>>>> Jul 25 13:55:27 perfsonar8 bwctld[5258]: FILE=sapi.c, LINE=353,
>>>>>>> Connection
>>>>>> to (<my IP>:4823) from (<my IP>:39254)
>>>>>>> Jul 25 13:55:27 perfsonar8 bwctld[5258]: FILE=sapi.c, LINE=391,
>>>>>> BWLControlAccept(): Unable to read ClientGreeting message
>>>>>>> Jul 25 14:03:50 perfsonar8 bwctld[2726]: FILE=bwctld.c, LINE=2336,
>>>>>>> bwctld:
>>>>>> exiting...
>>>>>>> Jul 25 14:03:50 perfsonar8 bwctld[2726]: FILE=bwctld.c, LINE=2390,
>>>>>>> bwctld:
>>>>>> exited.
>>>>>>> Jul 25 14:04:00 perfsonar8 bwctld[5570]: FILE=tools.c, LINE=301,
>>>>>>> Compiled-in
>>>>>> tools: iperf nuttcp
>>>>>>> Jul 25 14:04:00 perfsonar8 bwctld[5570]: FILE=iperf.c, LINE=80,
>>>>>> IperfAvailable(): iperf_cmd unset, using "iperf"
>>>>>>> Jul 25 14:04:00 perfsonar8 bwctld[5570]: FILE=nuttcp.c, LINE=81,
>>>>>> NuttcpAvailable(): nuttcp_cmd unset, using "nuttcp"
>>>>>>> Jul 25 14:04:00 perfsonar8 bwctld[5570]: FILE=tools.c, LINE=321,
>>>>>>> Available
>>>>>> tools: iperf nuttcp
>>>>>>> Jul 25 14:55:33 perfsonar8 bwctld[6047]: FILE=sapi.c, LINE=353,
>>>>>>> Connection
>>>>>> to (<my IP>:4823) from (<my IP>:40587)
>>>>>>> Jul 25 14:55:33 perfsonar8 bwctld[6047]: FILE=sapi.c, LINE=391,
>>>>>> BWLControlAccept(): Unable to read ClientGreeting message
>>>>>>> ...
>>>>>>> 
>>>>>>> Any help is appreciated? Thanks!
>>>>>>> 
>>>>>>> Roderick
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>> --
>>>>>>> This message is subject to the CSIR's copyright terms and
>>>>>>> conditions, e-mail
>>>>>> legal notice, and implemented Open Document Format (ODF) standard.
>>>>>>> The full disclaimer details can be found at
>>>>>> http://www.csir.co.za/disclaimer.html.
>>>>>>> 
>>>>>>> This message has been scanned for viruses and dangerous content by
>>>>>> MailScanner,
>>>>>>> and is believed to be clean.
>>>>>>> 
>>>>>>> Please consider the environment before printing this email.
>>>>>>> 
>>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> --
>>>>>> This message is subject to the CSIR's copyright terms and
>>>>>> conditions, e-mail
>>>>>> legal notice, and implemented Open Document Format (ODF) standard.
>>>>>> The full disclaimer details can be found at
>>>>>> http://www.csir.co.za/disclaimer.html.
>>>>>> 
>>>>>> This message has been scanned for viruses and dangerous content by
>>>>>> MailScanner,
>>>>>> and is believed to be clean.
>>>>>> 
>>>>>> Please consider the environment before printing this email.
>>>>> 
>>>>> 
>>>>> --
>>>>> This message is subject to the CSIR's copyright terms and
>>>>> conditions, e-mail
>>>>> legal notice, and implemented Open Document Format (ODF) standard.
>>>>> The full disclaimer details can be found at
>>>>> http://www.csir.co.za/disclaimer.html.
>>>>> 
>>>>> This message has been scanned for viruses and dangerous content by
>>>>> MailScanner,
>>>>> and is believed to be clean.
>>>>> 
>>>>> Please consider the environment before printing this email.
>>>> 
>>> 
>>> 
>> 
> 
>