Disaster Recovery Tips

Disaster Recovery Tips¶

• [[Backup]]
  • EBS Snapshots, RDS Backups / Snapshots etc
  • Regular pushes to AWS S3 / S3 Standard-Infrequent Access (IA) Tier / S3 Glacier, S3 Lifecycle rules, S3 Cross region replication
  • From on-premise: AWS Snowball or AWS Storage Gateway
• High Availability
  • Use AWS Route 53 to migrate [[DNS]] over from Region to Region
  • RDS Multi AZ (Disaster Recovery), [[ElastiCache Multi-AZ]], EFS - Elastic File System, AWS S3
  • Site to Site VPN as a recovery from Direct Connect
• Replication
  • [[RDS Replication]] (Cross Region), AWS Aurora + [[Global Databases]]
  • Database replication from on-premise to AWS RDS
  • AWS Storage Gateway
• Automation
  • CloudFormation / Elastic Beanstalk to re-create a whole new environment
  • Recover / Reboot AWS EC2 isntances with CloudWatch if CloudWatch Alarms fail
  • AWS Lambda functions for customised automations
• Chaos
  • Netflix has a "[[simian-army]]" randomly terminating AWS EC2