AWS Well Architected Framework - Disaster Recovery

Question 1

RTO

the time it takes after a disruption to restore a business process to its service level

Answer 1

RTO

Question 2

RPO

the acceptable amount of data loss measured in time before the disaster occurs

Answer 2

RPO

Question 3

Disaster recovery with AWS
backup and restore - storing backup data on S3 and recover data quickly and reliably
pilot light for quick recovery into AWS - quicker recovery time than backup and restore because core pieces of the system are already running and continually kept up to date
warm standby solution - a scaled down version of a fully functional environment is always running in the cloud
multi-site solution - run your infrastructure on another site, in an active-active configuration.
AWS production to an AWS DR solution using multiple AWS regions - take advantage of AWS’ multiple availability zones

Answer 3

Disaster recovery with AWS