Archive for the 'outage' Category

Summary of the Amazon EC2 and Amazon RDS Service Disruption

Friday, April 29th, 2011

Postmortem for the April-2011 EC2/EBS outage. It looks like a human errors plus unfortunate cascade of events lead to a requests storm that brought down EBS storage. Also, it appears that Amazon mis-estimated spare storage capacity needed for recov…

AWS is down: Why the sky is falling – justinsb’s posterous

Friday, April 22nd, 2011

A blog post explaining nature of the current Amazon AWS outage. The deal is that several so-called availability zones (AZ) failed simultaneously in amazon US-EAST region, even though amazon’s FAQ describe such event to be unlikely. Many interestin…

Skype – The Big Blog – CIO update: Post-mortem on the Skype outage

Wednesday, December 29th, 2010

detailed notes about skype outage on DEC-23/24 2010