perfSONAR User Q&A and Other Discussion

[Aaron Brown <>]

Hi Manoj,

As long as NTP is synced up, the bwctl tests should continue going through. 

Cheers,
Aaron

On Sep 9, 2014, at 11:10 AM, Manoj Kumar Jha 
<>
 wrote:

> Hi Aaron,
>   After restarting the perfsonar box, results for regular testing for  
> BWCTL  is appearing now.  But, we don't know for how long the results will 
> appear.
> 
> """
> [root@cms-adm
>  Scripts]# ntpq -p
>     remote           refid      st t when poll reach   delay offset  jitter
> ==============================================================================
> *manus-00.rcac.p 128.10.19.24     2 u   26  512  377    0.264 0.471   0.134
> +manus-01.rcac.p 128.10.19.24     2 u  130  512  377    0.242 0.717   0.095
> +manus-02.rcac.p 128.10.19.24     2 u  260  512  377    0.320 0.390   0.061
> [root@cms-adm
>  Scripts]#
> 
> 
> """
> 
> Thanks,
> Manoj
> 
> On 09/09/2014 11:04 AM, Aaron Brown wrote:
>> Hi Manoj,
>> 
>> What does ‘ntpq -p’ show on the host?
>> 
>> Cheers,
>> Aaron
>> 
>> On Sep 8, 2014, at 10:31 AM, Manoj Kumar Jha 
>> <>
>>  wrote:
>> 
>>> Hello,
>>>   Result of regular testing for BWCTL  is not appearing for Purdue Tier-2 
>>> site on maddash  monitoring  page.
>>> 
>>> http://maddash.aglt2.org/maddash-webui/index.cgi?dashboard=US%20CMS%20T2%20Sites
>>> 
>>> 
>>> However, we are observing following lines  in "/var/log/messages"
>>> 
>>> """
>>> Sep  8 09:26:19 perfsonar-cms2 bwctld[12928]: FILE=policy.c, LINE=2246, 
>>> BWLDCheckTestPolicy: Local server isn't synchronized. Server 
>>> administrator needs to set 'allow_unsync' to allow anyway.
>>> Sep  8 09:26:19 perfsonar-cms2 bwctld[12928]: FILE=sapi.c, LINE=628, Test 
>>> not allowed
>>> Sep  8 09:26:49 perfsonar-cms2 bwctld[13553]: FILE=sapi.c, LINE=353, 
>>> Connection to (perfsonar-cms2.itns.purdue.edu:4823) from 
>>> (perfsonar-itb.grid.iu.edu:59984)
>>> Sep  8 09:26:49 perfsonar-cms2 bwctld[13553]: FILE=protocol.c, LINE=247, 
>>> I2Readni(): Connection reset by peer
>>> Sep  8 09:26:49 perfsonar-cms2 bwctld[13553]: FILE=sapi.c, LINE=391, 
>>> BWLControlAccept(): Unable to read ClientGreeting message
>>> Sep  8 09:27:06 perfsonar-cms2 bwctld[13555]: FILE=sapi.c, LINE=353, 
>>> Connection to (perfsonar-cms2.itns.purdue.edu:4823) from 
>>> (maddash.aglt2.org:44748)
>>> 
>>> 
>>> """
>>> 
>>> 
>>> 
>>> Recently, we introduced our local NTP  at Purdue in 
>>> 'perfsonar-cms2.rcac.purdue.edu' .
>>> 
>>> ^^^
>>> 
>>> [root@perfsonar-cms2
>>>  log]#  ntpdate -q time1.ethz.ch
>>> 8 Sep 10:22:37 ntpdate[15811]: 192.33.96.101 rate limit response from 
>>> server.
>>> server 192.33.96.101, stratum 1, offset 0.000018, delay 0.15622
>>> 8 Sep 10:22:37 ntpdate[15811]: adjust time server 192.33.96.101 offset 
>>> 0.000018 sec
>>> [root@perfsonar-cms2
>>>  log]# date
>>> Mon Sep  8 10:22:41 EDT 2014
>>> [root@perfsonar-cms2
>>>  log]# ntpstat
>>> synchronised to NTP server (128.211.159.30) at stratum 3
>>>   time correct to within 58 ms
>>>   polling server every 512 s
>>> [root@perfsonar-cms2
>>>  log]#
>>> 
>>> ^^^
>>> 
>>> 
>>> How one should get rid of messages 'BWLDCheckTestPolicy: Local server 
>>> isn't synchronized. Server administrator needs to set 'allow_unsync' to 
>>> allow anyway.'  ?  Log files can be found on following link
>>> 
>>> https://web.rcac.purdue.edu/cms/Site/Perfsonar/2014/Sept/messages
>>> https://web.rcac.purdue.edu/cms/Site/Perfsonar/2014/Sept/client_log
>>> 
>>> Thanks,
>>> Manoj
>>> 
>>> 
> 
> 
> -- 
> ------------------------------------------------------------------
> Manoj Kumar Jha                    Department of Physics
> 
>                     Purdue University
> (765) 494-5987                     W. Lafayette, IN 47907-2036, USA
> -------------------------------------------------------------------
>