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SARA zegt er zelf dit over:
On October 4th, approximately between 16:03 hrs and 18:00 hrs, a large area of Amsterdam has suffered from a severe power outage. Unfortunately also Science Park Amsterdam, where one of the SARA Datacenters is located, was confronted with this failure.
The Emergency Power Supply took over the major part of the power delivery, but unfortunately one of our four UPS systems malfunctioned.
As a result some customers experienced a short outage of approximately 6 seconds on one of their two powerfeeds. After the 6 seconds the generators came online and provided full power on all feeds, including the affected one. However, a small number of racks needed a manual reset and was affected longer. The failure had consequences among others for the internet traffic and some other SARA services. At this moment most services are restored.
By now the external power situation is stable and normal again. SARA is investigating the cause of the malfunction of the UPS system. If needed, the generator will preventive be put online and running.
...ze zijn niet de enige met een onwillige UPS deze week lijkt het...
Er mag ook wel even gezegd worden dat NIKHEF & TC1 geen downtime hebben gehad, en de UPS' en generatoren daar dus goed hebben gefunctioneerd.
Je zou denken dat ze met de prijzen die SARA hanteert, dat ze alles N+N redundant uitvoeren en iedere maand netjes testen. Dit is al de zoveelste keer dat SARA en, omdat het een belangrijk knooppunt is, daarmee ook de rest van het Nederlandse internet problemen heeft.
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