Thursday data center tidbits.


This morning we have more details on the Navisite data center outage in San Jose. Root cause was an engineering failure, allowing the automatic transfer switch to fail to start the generators. This is a great example why ultra short run time backup systems like flywheel are such a bad idea, since the power could be transferred and the generators started manually (you’re not going to get a chance to do that in the 15 second runtime of a flywheel!). On the bad side, they obviously didn’t have enough battery capacity to hold up either (or didn’t have the monitoring to allow them to react to the problem promptly). Is it REALLY worth the savings to take this kind of gamble?

Vern

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