UPDATED: to include more specific information on the length and nature of the outage.
(WEB HOST INDUSTRY REVIEW) — An Amazon Web Services (aws.amazon.com) data center was disrupted Wednesday due to an apparent power outage, causing some Amazon EC2 cloud users to experience problems with their workloads.
The power issues disrupted “a subset of instances in one availability zone,” according to Amazon, which says most of those instances were back working normally within about 45 minutes.
InformationWeek reported that a segment of Amazon’s Eastern US hosting services experienced problems early Wednesday morning, slowing down EC2 cloud instances in its East-1 region for a five-hour period according to status reports posted on Amazon’s Service Health Dashboard as it worked to restore customer workloads.
While Amazon did not specify the location of the facility, Amazon Web Services is known to operate a Washington DC-area data center near McLean in Northern Virginia.
The status reports first stated that Amazon was “investigating connectivity issues” in East-1 beginning just after 4 am local time, reporting “power issues for a subset of instances.” They noted that the underlying power issue was addressed, and instances were beginning to recover less than an hour later. It said it was continuing to recover a small number of workloads until 9:41 am when Amazon reported that all jobs had been recovered.
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