[atlas] Probe #1000165 showed as down in tab#status

So whilst volunteering as NHS vaccination stewards we still awaiting up probe notifications by email which we have asked for before so we can see on our mobile devices.

Col


> On 2 Mar 2021, at 18:06, Robert Kisteleki <robert at ripe.net> wrote:
> 
> Hi,
> 
> On 2021-03-02 17:59, Jacques Lavignotte wrote:
>> Le 02/03/2021 à 12:46, Viktor Naumov a écrit :
>>> the controller's  IPv6 connectivity was not restored.
>> For post mortem analysis :
>> Probe #1000165 is hosted by an IPV4 only machine (no IPV6)
> 
> Well, in this curious case the machine ("controller") itself thought it *should* have IPv6, which indeed was the expected situation. Yet it didn't. Therefore it was very confused about its own state and as a safety measure it told its probes "hang on a minute while I figure out my own situation" :-)
> 
> We designed the controller-probe protocol so that it can handle case such as this; that is, the probes will try reconnecting, and in really bad cases the system drives them to a different controller. In the meantime they execute what they were asked and store results.
> 
>> J.
>> Anyway : probe is ok for 5 hours, 42 minutes
> 
> Good, good!
> 
> Cheers,
> Robert
> 
>