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Visa fingers 'very rare' data centre switch glitch for payment meltdown

tfewster Silver badge
Facepalm

So the primary switch "hung" - Yes, it can happen. The failover switch didn't have a fence mechanism to power off the primary completely, so failover could work as designed. And noone had the balls to pull the plug for hours - Presumably they didn't have any faith in the failover mechanism either.

It actually sounds worse when they explain it ;-)

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