[orbit-user] Local NTP server

[Fehmi Ben Abdesslem]

ntp1, ntp2, ntp, everything works for me too :)
Thanks again !
Fehmi

Ivan Seskar a écrit :
> Hmm it works for me:
>
> seskar at console.grid:~# host ntp2                                                                             
> ntp2.grid.orbit-lab.org CNAME   gdhcp2.grid.orbit-lab.org
> gdhcp2.grid.orbit-lab.org       A       10.10.0.8
> seskar at console.grid:~#   
>
> Can you please try again - it might have been DNS propagation issue. Also we have round robin for the two names with  ntp.grid.orbit-lab.org (even though grid is served by the cashing servers so it is not clear how much real distribution we get).
>
> Ivan.                                                                           
>
> -----Original Message-----
> From: orbit-user-bounces at orbit-lab.org [mailto:orbit-user-bounces at orbit-lab.org] On Behalf Of Fehmi Ben Abdesslem
> Sent: Wednesday, July 02, 2008 12:19 PM
> To: Orbit user discussion mailing list
> Subject: Re: [orbit-user] Local NTP server
>
> Hi Ivan,
>
> Thank you very much for your help.
> ntp1.grid.orbit-lab.org is working well., but ntp2 is unknown:
>
> node1-1:~# ntpdate ntp2.grid.orbit-lab.org Error : Name or service not known
>  2 Jul 11:30:05 ntpdate[2701]: can't find host ntp2.grid.orbit-lab.org
>  2 Jul 11:30:05 ntpdate[2701]: no servers can be used, exiting
>
> Regards,
> Fehmi
>
> Ivan Seskar a écrit :
>   
>> Hi Fehmi,
>>
>> To improve scaling we now have two ntp servers in the grid and, just to make sure we can move things around, we introduced CNAMEs ntp1.grid.orbit-lab.org and ntp2.grid.orbit-lab.org for them. Also, ntp servers are advertised by the grid dhcp service so you can use that as well.
>>
>> Ivan.  
>>
>> PS: dhcp1 is behind the firewall so large number of nodes accessing it = potential trouble.
>>
>> -----Original Message-----
>> From: orbit-user-bounces at orbit-lab.org 
>> [mailto:orbit-user-bounces at orbit-lab.org] On Behalf Of Fehmi Ben 
>> Abdesslem
>> Sent: Tuesday, July 01, 2008 1:14 PM
>> To: Orbit user discussion mailing list
>> Subject: Re: [orbit-user] Local NTP server
>>
>> Hi Ivan,
>>
>> Thanks for your answer!
>> I tried the following:
>>
>> -----------------
>> node2-1:~# ntpdate console.grid.orbit-lab.org
>>  1 Jul 13:08:44 ntpdate[2697]: no server suitable for synchronization 
>> found node2-1:~# ntpdate dhcp1a.orbit-lab.org Error : Name or service 
>> not known
>>  1 Jul 13:09:12 ntpdate[2700]: can't find host dhcp1a.orbit-lab.org
>>
>>  1 Jul 13:09:12 ntpdate[2700]: no servers can be used, exiting
>> -----------------
>>
>> Any idea ?
>>
>> Cheers,
>> Fehmi
>>
>>
>>
>> Ivan Seskar a écrit :
>>   
>>     
>>> Hi Fehmi,
>>>
>>> You can use console.grid.orbit-lab as well as dhcp1a.orbit-lab.org.
>>>
>>> Regards,
>>>
>>> Ivan.
>>>
>>>
>>> -----Original Message-----
>>> From: orbit-user-bounces at orbit-lab.org 
>>> [mailto:orbit-user-bounces at orbit-lab.org] On Behalf Of Fehmi Ben 
>>> Abdesslem
>>> Sent: Tuesday, July 01, 2008 11:56 AM
>>> To: Orbit user discussion mailing list
>>> Subject: [orbit-user] Local NTP server
>>>
>>> Hi all,
>>>
>>> Is there a local NTP server I could access from the nodes ?
>>> I already tried the following:
>>>
>>> node2-1:~# ntpdate ntp-busch.rutgers.edu
>>>  1 Jul 11:49:45 ntpdate[2891]: no server suitable for synchronization 
>>> found node2-1:~# ntpdate -u ntp-busch.rutgers.edu
>>>  1 Jul 11:49:54 ntpdate[2892]: no server suitable for synchronization 
>>> found node2-1:~# ntpdate ntp-lcsr.rutgers.edu
>>>  1 Jul 11:50:23 ntpdate[2893]: no server suitable for synchronization 
>>> found
>>>
>>> Thanks for your help!
>>> Cheers
>>> Fehmi
>>>
>>>
>>> --
>>> Fehmi Ben Abdesslem
>>> PhD Candidate
>>>
>>> University of Paris VI - Pierre et Marie Curie LIP6/CNRS - Networks & 
>>> Performance Analysis http://rp.lip6.fr/site_npa/
>>>
>>> Office 716 - 7th floor
>>> 104, avenue du président Kennedy
>>> F-75016 Paris
>>> Tel: +331 4427 8867
>>>
>>>
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>>>
>>>   
>>>     
>>>       
>> --
>> Fehmi Ben Abdesslem
>> PhD Candidate
>>
>> University of Paris VI - Pierre et Marie Curie LIP6/CNRS - Networks & 
>> Performance Analysis http://rp.lip6.fr/site_npa/
>>
>> Office 716 - 7th floor
>> 104, avenue du président Kennedy
>> F-75016 Paris
>> Tel: +331 4427 8867
>>
>>
>> _______________________________________________
>> orbit-user mailing list
>> orbit-user at orbit-lab.org
>> http://orbit-lab.org/cgi-bin/mailman/listinfo/orbit-user
>> _______________________________________________
>> orbit-user mailing list
>> orbit-user at orbit-lab.org
>> http://orbit-lab.org/cgi-bin/mailman/listinfo/orbit-user
>>
>>
>>   
>>     
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