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Rare to see power issues at a modern data center cause downtime. All of those racks should have UPS and batteries to sustain during an outage until the automati

by gundmc 5y ago

Rare to see power issues at a modern data center cause downtime. All of those racks should have UPS and batteries to sustain during an outage until the automatic transfer switch can fail over to a redundant system or generator. Would be interested in reading more about what happened here.

electroly 5y ago
In previous postmortems[0] they've mentioned their UPSes. They definitely have them. They don't seem to write a lot of postmortems, though. I'm not sure whether we should expect one for this event. [0] https://aws.amazon.com/premiumsupport/technology/pes/ https://aws.amazon.com/premiumsupport/technology/pes/
deleted 5y ago
[deleted]