--- id: ctp-topic-72-implementing-an-enterprise-dr-strategy-using-aws-backup title: "CTP Topic 72: Implementing an Enterprise DR Strategy using AWS Backup" type: source tags: - AWS - DR - Backup - Enterprise - CTP date: 2026-04-14 sources: [] last_updated: 2026-04-14 --- ## Source File - [[raw/Cloud & DevOps/Public-Cloud-Learning-Sessions/01_AWS-Landing-Zone/ctp-topic-72-implementing-an-enterprise-dr-strategy-using-aws-backup.md]] ## Summary - **核心主题**: 使用 AWS Backup 实现企业级灾难恢复策略 - **问题域**: DR 与 HA 的区别、RTO/RPO 定义、AWS Backup 架构 - **方法/机制**: AWS Backup 服务、全备份与增量备份、备份计划、Vault Lock、跨账户备份 - **结论/价值**: AWS Backup 是完全托管的策略驱动备份服务,支持多种资源类型,与 Organizations 集成实现跨账户备份副本 ## Key Claims - 高可用性(HA)关注系统运行时间和平均故障间隔,灾难恢复(DR)关注数据丢失防护 - RPO 定义可接受的数据丢失量,RTO 定义可接受的停机时间 - AWS Backup 是策略驱动的备份服务,支持与 Organizations 集成实现跨账户备份 - Vault Lock(合规模式)防止任何人(包括 root 用户)在生命周期结束前删除恢复点 ## Key Quotes > "We should always be prepared for a situation that everything falls all the time." — Sabith (AWS) > "Human errors, technical failures, and natural disasters are major categories to consider when creating DR plans." > "AWS Backup is a fully managed, policy-based backup service that simplifies data protection." ## Key Concepts - [[灾难恢复]]: 系统故障后的数据还原流程 - [[高可用性]]: 通过冗余和故障转移确保系统持续可用的设计原则 - [[RPO]]: Recovery Point Objective,可接受的数据丢失量 - [[RTO]]: Recovery Time Objective,可接受的停机时间 - [[Shared Responsibility Model]]: AWS 与客户在云安全方面的责任划分 ## Key Entities - [[AWS]]: 全球最大公有云平台,提供 AWS Backup 服务 - [[AWS-Organizations]]: AWS 账户管理服务,用于跨账户备份 - [[IAM]]: AWS 身份与访问管理,用于备份访问控制 - [[AWS-Backup-Audit-Manager]]: AWS Backup 合规审计服务(BAM) ## Connections - [[灾难恢复]] ← depends_on ← [[RPO]] - [[灾难恢复]] ← depends_on ← [[RTO]] - [[AWS-Backup]] ← implements ← [[灾难恢复]] - [[高可用性]] ← distinguishes_from ← [[灾难恢复]] ## Contradictions - (暂无) ## Related Topics - [[CTP-Topic-46-NetApp-on-AWS]]: 存储相关的 AWS 服务 - [[CTP-Topic-66-PostgreSQL-RDS-vs-Aurora]]: 数据库灾备对比