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wiki/entities/AWS-Backup.md
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---
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title: "AWS Backup"
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type: entity
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tags:
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- AWS
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- Backup
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- DR
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- Cloud-Native
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sources:
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- ctp-topic-72-implementing-an-enterprise-dr-strategy-using-aws-backup
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- ctp-topic-73-aws-backup-implementation-of-the-cloud-transformation-program
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- ctp-topic-44-aws-backup-in-micro-focus
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last_updated: 2026-04-28
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---
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## AWS Backup
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AWS Backup 是 AWS 原生全托管的策略驱动型备份服务,支持 80+ 种 AWS 资源类型的集中备份和恢复管理。作为企业级灾备战略的核心工具,它通过备份计划(Backup Plans)、备份保管库(Backup Vaults)和跨账户复制等机制,实现备份流程的标准化和自动化。
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## Core Capabilities
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| 功能 | 说明 |
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|------|------|
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| **Backup Plans** | 通过基于规则的备份计划定义何时备份、备份什么、存储到哪个保管库 |
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| **Backup Vaults** | 存储恢复点的加密容器,支持生命周期管理和访问控制 |
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| **跨账户跨区域复制** | 通过 AWS Organizations 将备份复制到独立账户/区域,实现备份隔离 |
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| **Vault Lock** | 合规模式锁定,防止任何人(包括根用户)在生命周期结束前删除恢复点 |
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| **AWS Backup Audit Manager** | 内置合规审计框架,提供备份状态报告和控制评估 |
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| **增量备份** | 仅备份自上次备份以来的变更,节省存储成本 |
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| **点时间恢复** | 支持 S3 和 RDS 的 PITR(Point-In-Time Recovery) |
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## Supported Resource Types
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AWS Backup 支持的典型资源类型包括:
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- Amazon EC2(实例、EBS 卷)
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- Amazon RDS(含 Aurora)、DynamoDB
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- Amazon EFS、FSx
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- Amazon S3
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- AWS Storage Gateway
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- VMware on-premises(通过 AWS Backup for VMware)
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## Key Architectural Patterns
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- **集中管控 + 分散执行**:SRE 团队提供标准化 Backup Model,产品组在 DRA 账户内自主管理
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- **备份隔离**:备份存储在独立的 Bunker/Vault 账户,与工作负载账户分离
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- **Forensic Account**:独立取证账户定期测试恢复点并扫描恶意软件
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- **零 RPO 策略**:结合 AWS Native 快照和 AWS Backup 实现分层备份
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## Related Concepts
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- [[RTO]] — Recovery Time Objective,灾备核心指标
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- [[RPO]] — Recovery Point Objective,灾备核心指标
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- [[High Availability]] — 高可用性,灾备体系的另一支柱
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- [[Vault Lock]] — 合规锁定,防勒索软件
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- [[增量备份]] — 节省存储的备份策略
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## Related Sources
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- [[ctp-topic-72-implementing-an-enterprise-dr-strategy-using-aws-backup]] — AWS 官方 DR 策略与 AWS Backup 架构(Sabith 主讲)
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- [[ctp-topic-73-aws-backup-implementation-of-the-cloud-transformation-program]] — CTP 中的 AWS Backup 实施落地
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- [[ctp-topic-44-aws-backup-in-micro-focus]] — Micro Focus 内部 AWS Backup 评估
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