[Architecting on AWS] Disaster Recovery

Created
November 17, 2023
Created by
D
DaEun Kim
Tags
AWS
Property

RPO (Recovery Point Objective)

  • λ°±μ—… μ£ΌκΈ°λ₯Ό μ–Όλ§ˆλ‘œ ν•  것인가.
  • RPO λŠ” μž‘μ„μˆ˜λ‘ μ’‹λ‹€. κ·ΈλŸ¬λ‚˜ λ°±μ—… μŠ€ν† λ¦¬μ§€ λΉ„μš©μ„ κ°μ•ˆν•΄μ•Ό ν•œλ‹€.
  • 예) RPO = 1 hour β†’ 1μ‹œκ°„μ— ν•œλ²ˆμ”© λ°±μ—… μˆ˜ν–‰μ„ λͺ©ν‘œ.
  • S3 Glacier, DataSync λ“± ν™œμš©.
  • ec2 μΈμŠ€ν„΄μŠ€ AMI μŠ€λƒ…μƒ·μ„ λ§Œλ“œλŠ” 것도 λ°±μ—…μ˜ 일쒅.

RTO (Recovery Time Objective)

  • μ–Όλ§ˆ μ•ˆμ— μž¬ν•΄λ₯Ό 볡ꡬ할 것인가.
  • RTO λŠ” μž‘μ„μˆ˜λ‘ μ’‹λ‹€. κ·ΈλŸ¬λ‚˜ stand-by λ¦¬μ†ŒμŠ€ λΉ„μš©μ„ κ°μ•ˆν•΄μ•Ό ν•œλ‹€.
  • 예) RTO = 1 hours β†’ μž¬ν•΄ λ°œμƒ μ‹œ 1μ‹œκ°„ μ•ˆμ— λ³΅κ΅¬ν•˜λŠ” 것을 λͺ©ν‘œ.

DR Architecture

https://aws.amazon.com/ko/blogs/architecture/disaster-recovery-dr-architecture-on-aws-part-iv-multi-site-active-active/

  • Backup & Restore
  • Pilot Light
  • Warm Stand-by
  • Multiple Site active-active