perfSONAR User Q&A and Other Discussion

[Jason Zurawski <>]

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>