The AWS status dashboard noted that the root cause of the outage was an impairment of several network devices. The outage also took down the apps that power warehouse, delivery, and Amazon Flex workers-in prime holiday shopping season. Millions of users were affected by this extended outage originating in the US-EAST-1 region, which took down major online services such as Amazon, Amazon Prime, Amazon Alexa, Venmo, Disney+, Instacart, Roku, Kindle, and multiple online gaming sites. Case in point: December’s trifecta of Amazon Web Services (AWS) outages, which really brought home the fact that no service is too big to fail: While we would expect continued improvement over the coming hour, we would still recommend failing away from the Availability Zone if you are able to do so to mitigate this issue.2021’s slew of Internet outages or disruptions show how connected and relatively fragile the Internet ecosystem is. RunInstances API error rates are returning to normal levels and we are working to recover affected EC2 instances and EBS volumes. Customers experiencing connectivity or instance availability issues within the affected Availability Zone, should start to see some recovery as power is restored to the affected data center. We have now restored power to the majority of instances and networking devices within the affected data center and are starting to see some early signs of recovery. "We continue to make progress in restoring power to the affected data center within the affected Availability Zone (USE1-AZ4) in the US-EAST-1 Region. ![]() Update: Amazon says it has now restored power to the majority of instances and networking devicesĪt 5:18 PST, Amazon confirmed it restored power to the majority of instances and networking devices. As Amazon notes, the company is currently working towards restoring power to the data center, and companies should try to fall away from the affected availability zone if possible. We've seen some more significant outages though recently from the likes of Facebook, and even another outage from Amazon just last week. Outages like this are extremely rare, and very few last more than an hour. We continue to work to address the issue and restore power within the affected data center." Connectivity and power to other data centers within the affected Availability Zone, or other Availability Zones within the US-EAST-1 Region are not affected by this issue, but we would recommend failing away from the affected Availability Zone (USE1-AZ4) if you are able to do so. We are also experiencing elevated RunInstance API error rates for launches within the affected Availability Zone. This is affecting availability and connectivity to EC2 instances that are part of the affected data center within the affected Availability Zone. "We can confirm a loss of power within a single data center within a single Availability Zone (USE1-AZ4) in the US-EAST-1 Region. However, since then, the company has confirmed a power outage in the USE1-AZ4 availability zone. ![]() Other Availability Zones within the US-EAST-1 Region are not affected by this issue." "We are investigating increased EC2 launch failures and networking connectivity issues for some instances in a single Availability Zone (USE1-AZ4) in the US-EAST-1 Region.
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