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“The takeaway is that we still have work to do to educate the market on what the cloud really means.”
John Dwyer, Microsoft's area data centre manager for international operations

Incident ID: 21

Incident Type:
Outage

Summary: Amazon EC2 experienced a power outage due to a human error causing the back-up generator to lose power

Amazon EC2 experienced two power outages on May 4 and an extended power loss early on Saturday, May 8. In each case, a group of users in a single availability zone lost service, while the majority of EC2 users remained unaffected. Later that day, while the affected racks were still being powered by the back-up generator, a human error caused the back-up generator to lose power, Amazon said. The generator was reset and power was again restored to the racks, with most customers regaining service between 6:45 p.m. and 7:40 p.m. Pacific time. The next day Amazon completed installation of a replacement UPS unit.

Number Affected: Unknown
Organization: Amazon Web Services
Reported Date:2010-05-04
Incident Duration:55 minutes
References

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