perfSONAR User Q&A and Other Discussion

[Hervey Allen <>]

On 8/22/14, 11:23 AM, Antoine Delvaux wrote:
> Hello Hervey,
> 

Hello Antoine,

> We're looking into this migration, trying to provide a smooth upgrade path 
> for MDM deployments.  There are different situations and so different 
> upgrade scenarios will be proposed.
> 
> To my knowledge, the TEIN MDM nodes you mention are only BWCTL MP (OPPD 
> based) hosts.  They only provide a measurement point and do not store data 
> locally, so there should be no worry about data loss.
> 
> For now those servers should stay with the MDM packages.  We'll continue to 
> provide packages from the GÉANT MDM repository during a transition period 
> of many months (at least up to the 3.5 toolkit release).  We'll also make 
> sure those installations are compatible, as much as possible, with pS 
> toolkits deployments so that measurements can be run from and to those 
> hosts.
> 
> Then, depending on which deployment level they want to comply with [1] 
> they'll need to switch yum repositories (for level 1 or level 2) or be 
> re-installed and re-configured with the new pS toolkit (for level 3 
> installation, some MDM configuration files might then be re-used after 
> re-installation).  There is no hurry for such a migration and we suggest to 
> wait a bit after the 3.4 official release that the upgrade paths are fully 
> tested.  We'll then advertise and document the different upgrade scenarios.
> 
> There are some automatic measurements scheduled between the TEIN MDM nodes 
> and some GÉANT hosts.  Those measurements are stored in a centralised GÉANT 
> MA (a perfSONAR MDM SQL MA instance) operated and maintained by GÉANT.  
> We're looking at the possibilities to migrate data from this MA to a new 
> centralised MA that will use the upcoming MA provided by the 3.4 toolkit.  
> This is a long term approach and we don't have the details about that now 
> though.
> 
> If an SQL MA has been deployed within TEIN or some TEIN partners, a similar 
> migration will then also need to take place.  I'm not sure if there are 
> such deployments, I don't have that information but will consult with my 
> GÉANT colleagues (Szymon Trocha, cced, will probably know more about that).
> 
> I hope this answers your current questions, and if some other questions pop 
> up during your workshop next week, please forward that here.
> 
> Kind regards,
> 
> [1] See https://code.google.com/p/perfsonar-ps/wiki/Level1and2Install 
> 

Great response! Thank you very much. That is exactly what I was looking
for to be able to respond to participant questions.

Cheers,
        - Hervey


> --                                                                --
> Antoine Delvaux                                        Skype: toninb
> Systems Engineer                                http://www.dante.net
> DANTE                                           http://www.geant.net
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> Le 22 août 2014 à 15:04, Hervey Allen 
> <>
>  a écrit :
> 
>> On 8/22/14 6:42 AM, Brian Tierney wrote:
>>>
>>> Looping in the perfsonar-user list, as there are probably others with
>>> the same question, and there are folks on that list that can answer.
>>>
>>>
>>
>> Excellent.
>>
>> Thank you Brian.
>>
>> - Hervey
>>
>>>
>>> On Thu, Aug 21, 2014 at 10:44 PM, Hervey Allen 
>>> <
>>> <mailto:>>
>>>  wrote:
>>>
>>>    I was wondering what this looks like?
>>>
>>>    For instance, if you have been using perfSONAR MDM and have prior data
>>>    and wish to move over to a perfSONAR PS install?
>>>
>>>    I see that Japan, Singapore, China and Hong Kong and India have MDM
>>>    instances at TEIN4 POPs. We might have people from these organizations
>>>    in our workshop next week in Bangkok and would like to be able to 
>>> answer
>>>    the question of moving to the perfSONAR PS Toolkit.
>>>
>>>    Thanks!
>>>
>>>    - Hervey
>>>
>>>
>>>
>>>
>>>
>>> -- 
>>> Brian Tierney, http://www.es.net/tierney
>>> Energy Sciences Network (ESnet), Berkeley National Lab
>>> http://fasterdata.es.net
>>>
>>
>>
>> -- 
>> Hervey Allen      Assistant Director, Network Startup Resource Center
>> 
>>    http://nsrc.org/ : http://facebook.com/nsrc.org
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>