AWS Backup Popular2019年〜
A service for centralized backup management, automation, and compliance across AWS resources
What It Does
AWS Backup is a fully managed service that centrally manages backups across multiple AWS services including EC2, EBS, RDS, DynamoDB, EFS, and S3. Simply define a backup plan and it handles scheduled automatic backups, retention management, cross-region copies, and cross-account copies. It also provides integrated management of backup encryption and access controls, simplifying compliance requirements.
Use Cases
Used for daily automated backups and generation management of production databases, cross-region backups for disaster recovery (DR), applying backup retention policies based on compliance requirements, centralized backup management across multiple AWS accounts, and operating immutable backups (Vault Lock) as a ransomware countermeasure. Widely used for data protection and business continuity.
Everyday Analogy
Think of it like a bank with safe deposit boxes. Instead of keeping important documents (data) scattered across drawers at home (individual AWS services), you deposit them in the bank's vault (AWS Backup) where they are managed in a fire-proof, secure environment. By automatically storing copies at another branch (another region), you are protected even in the event of a disaster.
What Is AWS Backup?
AWS Backup is a centralized backup management service released in 2019. Previously, you had to manage separate backup configurations and scripts for each AWS service. With AWS Backup, you can manage all backups from a single console. Define schedules, retention periods, and destinations in a backup plan, and automatically apply them to resources using tags.
Backup Plans and Policies
The core of AWS Backup is the backup plan. A plan defines backup rules (frequency, start time, retention period) and specifies target resources by tags or resource IDs. For example, you can declaratively configure a policy like "back up all resources tagged as production every day at 3:00 AM and retain for 30 days." By integrating with AWS Organizations, you can apply backup policies across your entire organization at once. For comprehensive best practices on backup plans and policies, books on Amazon are recommended.
Cross-Region and Compliance
AWS Backup natively supports cross-region and cross-account copies. As part of a disaster recovery plan, you can automatically replicate backups to another region. The Vault Lock feature protects backups in WORM (Write Once Read Many) mode, creating immutable backups that even administrators cannot delete or modify. This enables compliance with regulations such as SEC 17a-4 and CFTC 1.31.
Things to Watch Out For
- Backup storage pricing varies by service, so estimate costs in advance when backing up large volumes of data
- Once Vault Lock is enabled, settings cannot be changed or deleted, so carefully consider retention periods before enabling it
