[Issues] Down time Data Handling at CIT

Kor Begeman kgb at astro.rug.nl
Wed Oct 21 11:38:10 CEST 2020


Dear Astro-Wisers,

Finally the necessary machines for the OmegaCEN/Astro-wise services came
online about 3
hours ago. We have started and tested the dataservers and dpus and they all
seem to work.
Also new software was installed and compiled to  get things working again
on the newly
installed Operating Systems on these server machines of which we had no
prior knowledge.
Neither did we have any prior knowledge about the extra downtime of 48
hours because of
missing spare parts. But it is always not good to cry over spilt milk.

Enjoy astro-wising, keep the spirits up. You know who you gonna to call in
case of problems,

Cheers,

Danny & Kor

Op ma 19 okt. 2020 om 11:56 schreef Kor Begeman <kgb at astro.rug.nl>:

> Dear Astro-wisers,
>
> There seem to be problems in getting things to work again, according to
> the CIT:
>
> "Investigation has shown that there are currently two switches are not
> working as expected.
> Our Network department is working on it and we waiting for an action plan
>
> This means that we still are unable to recover the dh3 filesystem.
>
> We will send an update if we have more news."
>
> We can do no more than this, so please be patient. This operation may
> take a while.
>
> Cheers,
>
> Danny & Kor
>
>
>
>
>
> Op wo 14 okt. 2020 om 07:29 schreef Kor Begeman <kgb at astro.rug.nl>:
>
>> Dear Astro-wisers,
>>
>> The data centre at DUO where Data Handling is running will perform
>> maintenance on their entire power infrastructure from the 17th till the
>> 18th of October.
>>
>> This will lead to a power loss for the entire Data Handling setup on the
>> 17th and the 18th of October. The cluster will be brought down the day
>> before, on the 16th, at 16:00 and if all goes well will be back up on the
>> 19th from 09:00 in the morning.
>>
>> So for us astro-wisers it means that all Groningen dpus, dataservers and
>> most of the other
>> services will be unavailable from 15:00 Friday the 16th of October and
>> hopefully be up on the next Monday around noon.
>>
>> Yours sincerely,
>>
>> Danny & Kor
>>
>> --
>> Dr. K.G. Begeman
>> OmegaCEN/Kapteyn Astronomical Institute/University of Groningen
>> Postbus 800
>> 9700 AV Groningen
>> The Netherlands
>> Telephone:   +31-(0)50-3632454/4073
>> Telefax"       +31-(0)50-3636100
>> e-Mail:         kgb at astro.rug.nl, k.begeman at rug.nl, kgb at astro-wise.org
>>
>
>
> --
> Dr. K.G. Begeman
> OmegaCEN/Kapteyn Astronomical Institute/University of Groningen
> Postbus 800
> 9700 AV Groningen
> The Netherlands
> Telephone:   +31-(0)50-3632454/4073
> Telefax"       +31-(0)50-3636100
> e-Mail:         kgb at astro.rug.nl, k.begeman at rug.nl, kgb at astro-wise.org
>


-- 
Dr. K.G. Begeman
OmegaCEN/Kapteyn Astronomical Institute/University of Groningen
Postbus 800
9700 AV Groningen
The Netherlands
Telephone:   +31-(0)50-3632454/4073
Telefax"       +31-(0)50-3636100
e-Mail:         kgb at astro.rug.nl, k.begeman at rug.nl, kgb at astro-wise.org
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