Re:Summary of the Amazon S3 Service Disruption
by dkersten on Friday March 03, 2017 @06:19AM
(#13782120)
Durability and uptime are not the same thing. Durability is about the chance of losing your data and has nothing to do with service disruptions. Their uptime SLA is much lower. Looking at [1], it looks like the SLA says 3 9s (discounts given for anything lower) of uptime.
[1] https://aws.amazon.com/s3/sla/