partially disabled or knocked out popular websites including Quora, Foursquare and Reddit.
On Saturday, two days after Amazon suffered , the company announced that it had fixed most of the problem. However, the latest update on Amazon's Service Health Dashboard noted that engineers are still working on some remaining issues with its EBS, or Elastic Block .
At 10:35 p.m. ET on Sunday, reported, "We're in the process of contacting a limited number of customers who have EBS volumes that have not yet recovered and will continue to work hard on restoring these remaining volumes.
Users still having problems with their hosted Web sites should contact Amazon on their . Users should select Amazon Elastic Compute in the "Services" field. And in the description field, they should list the instance and volume IDs and describe the issue they're experiencing.
The company also noted on its dashboard that workers are "digging deeply into the root causes of this event" and will post their findings in a post mortem.
The trouble started a little after 5 a.m. Eastern on Thursday when the company's Service Health Dashboard reported connectivity problems that were affecting its Relational Database Service, which is used to manage a relational database in the cloud, across multiple zones in the eastern U.S.
Because of server problems , which handles the company's EC2 Web hosting services, some websites, including popular sites, were left staggering or disabled.
Web sites Reddit, Foursquare, Quora and HootSuite, which suffered through Amazon's outage, are back up today.
Sharon Gaudin covers the Internet and Web 2.0, emerging technologies, and desktop and laptop chips for Computerworld. Follow Sharon on Twitter at or subscribe to . Her e-mail address is .
in Computerworld's Web 2.0 and Web Apps Topic Center.