Testing Disaster Cases on Amazon Web Services


#1

Disasters are inevitable in cloud environments. Even after spending lots of time and handling lots of edge cases, sometimes there can be cases beyond your reach. On 28 February 2017, one of the Amazon’s major services, S3, went down in Virginia region with lots of other critical services depending on it and whole Virginia region became unusable. Normally, AWS has availability zones in a region, so if one of them goes down, the region can operate normally in other availability zones after scaling. But in that incident, the problem affected all of the availability zones which brought down the whole Virginia region. Read more…