Posts in the Downtime Category at Data Center Knowledge

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Multiple Generator Failures Caused Amazon Outage
July 3rd, 2012 : Rich Miller
Amazon Web Services says that the failure of multiple generators in a single data center caused last Friday night's power outage, which led to downtime for Netflix, Instagram and many other popular web sites. Read More
Leap Second Bug Snarls Air Travel in Australia
July 1st, 2012 : Rich Miller
Computer problems with the Amadeus reservation system caused long lines and traveler delays at airports across Australia this weekend. The outage appears to be related to the "Leap Second Bug," as the addition of a single second to the world's atomic clocks caused problems with IT systems. Read More
Amazon Data Center Loses Power During Storm
June 30th, 2012 : Rich Miller
An Amazon Web Services data center in northern Virginia lost power Friday night, causing extended downtime for services includng Netflix, Heroku, Pinterest and many others. The incident occurred as a powerful electrical storm struck the Washington, D.C. area. Read More
More Problems for Amazon EC2 Cloud
June 29th, 2012 : Rich Miller
Amazon Web Services is reporting more service problems this morning for some customers of its EC2 cloud computing service. Amazon has reported connectivity issues in its US-East-1 availability zone, the same zone which was hit by an outage earlier this month. Read More
Generator Fan Failure Triggered AWS Outage
June 21st, 2012 : Rich Miller
Last week's outage at Amazon Web Services was triggered by a series of failures in the power infrastructure in a northern Virginia data center, including the failure of a generator cooling fan while the facility was on emergency power. Read More
Power Outage Affects Amazon Customers
June 15th, 2012 : Rich Miller
A power outage at an Amazon Web Services data center in northern Virginia last night knocked some customers offline. Among the sites affected were Heroku, Pinterest, Quora and HootSuite, along with a host of smaller sites. Read More
Heroku Outage Sparks Debate on Error Messages
June 8th, 2012 : Rich Miller
Can an error message make an outage worse? That was a topic of discussion Thursday following an outage at cloud infrastructure provider Heroku. Read More
Warm Weather Clobbers Climate Data Archive
March 22nd, 2012 : Rich Miller
The unseasonably warm weather across much of the country has meteorologists and weather enthusiasts searching for precedents - and doing so in large enough numbers that it caused an outage for a leading repository of historic weather data. Read More
Amazon EC2 Recovers After Brief Downtime
March 15th, 2012 : Rich Miller
Amazon's Elastic Compute Cloud (EC2) service is back online after a brief outage earlier this morning that affected customers in its US-East region. Read More