CDS services downtime

[Felix Stoehr]

If a down-time at CDS is known for a long time (not sure if that was the
case here), then one might consider sending notifications well in
advance. Maybe a month or so. Reaction times for some of us are really
very long.

On 04/03/2017 07:15 PM, Thomas Boch wrote:
> Hi Petr,
> 
> First, I agree Sesame is a critical piece for many services and tools,
> and we consider it as such at CDS.
> 
> As explained in the Sesame documentation page (
> http://cdsweb.u-strasbg.fr/doc/sesame.htx ), there is a Sesame mirror at
> CfA, its base URL is http://vizier.cfa.harvard.edu/viz-bin/nph-sesame
> I tried it today around 11am GMT, and it was working fine as far as I
> can tell.
> 
> Several tools, including Aladin Desktop and Astropy coordinates package,
> are taking advantage of the existence of the mirror as a fallback in
> case the main Strasbourg service does not reply.
> 
> Thomas
> 
> 
> 
> Le 03/04/2017 à 18:57, Petr Skoda a écrit :
>>
>> I would like to open one important issue.
>>
>> Today for me did not work SPLAT-VO as the resolver seaseme built-in
>> the splat was not working.
>>
>> Margarida Castro Neves claims that the other built-in resolvers as
>> CADC or ESO do not work for a long time already.
>>
>> As I understand all below are just Vizier copies not Simbad.
>> The only one is harvard Simbad - but it does not show resolver link
>>
>> If I go to http://simbad.harvard.edu/simbad/sim-fref
>>
>> and select other /resolver
>>
>> it redirects back to
>>
>> http://cds.u-strasbg.fr/cgi-bin/Sesame
>>
>>
>> So is there a Seasame mirror ?
>>
>> And how you have built the alternative resolver in your clients ?
>>
>> We need it to modify SPLAT-VO Resolver selection menu.
>>
>>
>> BTW - I remember when the CDS downtime several years ago - when I was
>> exactly giving two hour tutorial about VO using SPLAT.
>> That time I could continue immediately by switching to CADC resolver.
>> Is it still working ?
>>
>>
>>
>> Anyway I think that the multiple global mirror of such crucial service
>> as Seasame is  essential and shoudl be discussed here.
>>
>> Best regards,
>>
>> Petr
>>
>>
>>
>>> Dear colleagues,
>>>
>>> We would like to make you aware of a scheduled down-time for the main
>>> Strasbourg site for CDS services (http://cdsweb.u-strasbg.fr,
>>> http://cds.unistra.fr) on Monday April 3, starting at 7h00 CET (5h00
>>> GMT) and lasting for 6 to 10 hours.
>>> This will impact all services hosted in Strasbourg : Simbad, VizieR,
>>> the Aladin images server,
>>> XMatch, the CDS Registry...
>>>
>>> This is an unavoidable down-time due to major electrical work that
>>> requires all power to our site to be shut down for that time.
>>>
>>> We recommend the use of our mirror sites during this period: Simbad
>>> at CfA <http://simbad.cfa.harvard.edu/simbad/>, or VizieR at CfA
>>> <http://vizier.cfa.harvard.edu/viz-bin/VizieR>, Tokyo
>>> <http://vizier.nao.ac.jp/viz-bin/VizieR>, CADC
>>> <http://vizier.hia.nrc.ca/viz-bin/VizieR>, IUCAA in India
>>> <http://vizier.iucaa.in/viz-bin/VizieR>, Beijing Obs.
>>> <http://vizier.china-vo.org/viz-bin/VizieR>, or SAAO in South Africa
>>> <http://viziersaao.chpc.ac.za/viz-bin/VizieR>.
>>>
>>> We sincerely apologize for the inconvenience.
>>>
>>> -- 
>>>
>>>   (((    Sebastien Derriere sebastien.derriere at astro.unistra.fr
>>>  (. .)   Observatoire de Strasbourg       Phone +33 (0) 368 852 444
>>> (( v ))  11, rue de l'universite        Telefax +33 (0) 368 852 432
>>> ---m-m--- F-67000 Strasbourg  France
>>>
>>>
>>
>> *************************************************************************
>> *  Petr Skoda                         Tel   : (323) 649201, l. 361      *
>> *  Stelarni oddeleni                          (323) 620361              *
>> *  Astronomicky ustav AVCR, v.v.i     Fax   : (323) 620250              *
>> *  251 65 Ondrejov                    e-mail: skoda at sunstel.asu.cas.cz  *
>> *  Ceska republika                                                      *
>> *************************************************************************

-- 
Dr. Felix Stoehr      ESO/ALMA
Tel +49 89 3200 6283  Fax 6358
www.eso.org/~fstoehr/felix.asc