perfSONAR User Q&A and Other Discussion

[Jason Zurawski <>]

Also - please send the contents of '/opt/SimpleLS/bootstrap/etc/service_url', 
this will give us an indication of where it thinks the information should be 
sent.

Thanks;

-jason

On Sep 27, 2013, at 1:26 PM, Jason Zurawski 
<>
 wrote:

> Hi Lixin;
> 
> Looking in one of the global servers. I do see your bdw host:
> 
> http://ndb1.internet2.edu:8090/lookup/records?host-name=bdw-umanitoba.westgrid.ca
> 
> Unfortunately you are correct in that the latency host has not registered, 
> I don't see that anywhere.  Can you send the latest log message for 
> lat-umanitoba.westgrid.ca again?  Everything after the point where you did 
> the removal of the db file and the restart. 
> 
> Thanks;
> 
> -jason
> 
> On Sep 27, 2013, at 1:02 PM, "Lixin Liu" 
> <>
>  wrote:
> 
>> Hi Jason,
>> 
>> Thanks for your information.
>> 
>> I rebooted two hosts (in University of Saskatoon) and they are now
>> showing up in the list of Global Services.
>> 
>> I still have issue with two other hosts (in University of Manitoba).
>> I followed your suggestion. It has been more than two hours, but I
>> still do not see this host in the list. However, there was a network
>> (BGP) problem early today that may affect the registration.
>> 
>> Here is the log file (hostname bdw-umanitoba.westgrid.ca).
>> 
>> The NTP server on the host you mentioned was changed by the local admin
>> to use local NTP servers, but there are only two servers in the config.
>> I added two more and should be fine now.
>> 
>> Thanks,
>> 
>> Lixin.
>> 
>>> -----Original Message-----
>>> From: Jason Zurawski 
>>> [mailto:]
>>> Sent: September-27-13 6:19 AM
>>> To: Lixin Liu
>>> Cc: 
>>> ;
>>>  Performance Node Users
>>> Subject: Re: [perf-node-users] Re: [perfsonar-user] LSRegistrationDaemon
>>> duplicate checksum lookup/host/ error
>>> 
>>> And naturally I meant "rm -f
>>> /var/lib/perfsonar/ls_registration_daemon/lsKey.db" for the cache file …
>>> 
>>> Thanks;
>>> 
>>> -jason
>>> 
>>> On Sep 27, 2013, at 9:17 AM, Jason Zurawski 
>>> <>
>>>  wrote:
>>> 
>>>> Hi Lixin;
>>>> 
>>>> In looking at the logs, we don't see anything out of the ordinary, the
>>> 'duplicate' message you see is actually just unfortunate wording on our 
>>> part
>>> - it means 'renew' the registration instead of making a new one.  Since 
>>> you
>>> noted you changed DNS/IP, it may be an issue of a stake cache.  Try the
>>> following steps:
>>>> 
>>>>> sudo /etc/init.d/ls_registration_daemon stop
>>>>> /var/lib/perfsonar/ls_registration_daemon/lsKey.db
>>>>> sudo /etc/init.d/ls_registration_daemon start
>>>> 
>>>> 
>>>> This will stop the service, delete the local db, and then start it all
>>> over.  After a couple of hours the information should show up, or at a
>>> minimum the logs will let us know if there is something else locally bad
>>> that is going on.
>>>> 
>>>> As an aside, it appears that your NTP is not configured, some of the 
>>>> tools
>>> may not work until that is fixed.  You may want to run the NTP 
>>> configuration
>>> script again.
>>>> 
>>>> Thanks;
>>>> 
>>>> -jason
>>>> 
>>>> On Sep 26, 2013, at 3:43 PM, "Lixin Liu" 
>>>> <>
>>>>  wrote:
>>>> 
>>>>> Sorry I didn’t realize that the link is password protected and I
>>>>> already logged as admin.
>>>>> 
>>>>> Here is the log.
>>>>> 
>>>>> Thanks,
>>>>> 
>>>>> Lixin.
>>>>> 
>>>>>> -----Original Message-----
>>>>>> From: 
>>>>>> 
>>>>>>  [
>>>>>> ]
>>>>>>  On Behalf Of Lixin Liu
>>>>>> Sent: September-26-13 12:36 PM
>>>>>> To: 
>>>>>> 
>>>>>> Subject: [perfsonar-user] LSRegistrationDaemon duplicate checksum
>>>>>> lookup/host/ error
>>>>>> 
>>>>>> Hi,
>>>>>> 
>>>>>> On a number of our perfSONAR hosts, we get
>>>>>> 
>>>>>> perfSONAR_PS::LSRegistrationDaemon::Base::find_duplicate - Found
>>> duplicate
>>>>>> checksum lookup/host
>>>>>> 
>>>>>> error and hosts do not show up in "Global Service and Data View".
>>>>>> These cases may be related to the IP and DNS changes. But I think
>>>>>> hosts are configured correctly.
>>>>>> 
>>>>>> How do I correct the problem?
>>>>>> 
>>>>>> You can see the log from this link:
>>>>>> 
>>>>>> https://lat-
>>>>>> umanitoba.westgrid.ca/toolkit/admin/logs/ls_registration_daemon.log
>>>>>> 
>>>>>> Thanks,
>>>>>> 
>>>>>> Lixin.
>>>>>> 
>>>>>> 
>>>>>> =======================
>>>>>> Lixin Liu
>>>>>> IT Services
>>>>>> Simon Fraser University
>>>>> 
>>>>> <ls_registration_daemon.log>
>> <ls_registration_daemon.log>