We’d like to share more about the service disruption which occurred
last Friday night, June 29th, in one of our Availability Zones in the US
East-1 Region. The event was triggered during a large scale electrical
storm which swept through the Northern Virginia area. We regret the
problems experienced by customers affected by the disruption and, in
addition to giving more detail, also wanted to provide information on
actions we’ll be taking to mitigate these issues in the future. Our US East-1 Region consists of more than 10 datacenters
structured into multiple Availability Zones. These Availability Zones
are in distinct physical locations and are engineered to isolate failure
from each other. Last Friday, due to weather warnings of the
approaching storm, all change activity in the US East-1 Region had been
cancelled and extra personnel had been called into the datacenters for
the evening.
Read the report over at AWS
here.
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