Feb 14 8:58 AM PST Amazon EBS will be undergoing system maintenance on February 16th, from 1:30 AM to 1:45 AM PST. During the maintenance customers may notice an increase in 500 errors for requests to create, attach, detach and delete volumes. The creation of snapshots from volumes will also temporarily return a 500 error code. All other requests to the Amazon EC2 API will continue to be processed normally.

Feb 16 1:30 AM PST The announced maintenance window has begun.

Feb 16 1:40 AM PST We have completed the scheduled maintenance to Amazon EBS.