AWS Backup 是一种完全托管的备份服务，可以轻松集中和自动管理 AWS 服务中数据的备份。使用 AWS Backup，您可以集中配置备份策略并监控 Amazon EBS 卷、Amazon EC2 实例、Amazon RDS 数据库、Amazon DynamoDB 表、Amazon EFS 文件系统和 AWS Storage Gateway 卷等 AWS 资源的备份活动。AWS Backup 可以自动执行并整合以前按服务执行的备份任务，不需要您创建自定义脚本和手动流程。只需在 AWS Backup 控制台中单击几下，您就可以创建各种备份策略，从而自动执行备份计划和保留管理工作。AWS Backup 可以提供完全托管并且基于策略的备份解决方案，简化了备份管理工作，让您能够满足业务和法规备份合规性要求。
优势
集中管理备份
从中央备份控制台配置备份策略，简化备份管理，并轻松确保各种 AWS 服务中的应用程序数据得到备份和保护。通过 AWS Backup 的中央控制台、API 或者命令行界面针对 AWS 服务进行备份、还原和设置保留策略。
自动执行备份流程
利用 AWS Backup 完全托管并且基于策略的解决方案节省时间和资金。AWS Backup 支持自动备份计划、保留管理和生命周期管理，不需要使用自定义脚本和手动流程。利用 AWS Backup，您只要标记 AWS 资源就可以将备份策略应用于AWS 资源，从而轻松地对所有 AWS 资源实施备份策略，并确保所有应用程序数据都得到正确备份。
提高备份合规性
在中央控制台执行备份策略、加密备份以及审核备份活动，满足备份合规性要求。备份策略可以轻松与内部要求或监管要求保持一致。AWS Backup 可以加密动态数据和静态数据，保证备份的安全性。不同 AWS 服务采用统一的备份活动日志，可以简化合规审核工作。AWS Backup 符合 PCI、ISO 和 HIPAA 的规定。
使用场景
原生云备份
AWS Backup 提供中央控制台，可以自动执行和管理不同 AWS 服务的备份工作。AWS Backup 与 Amazon EBS、Amazon RDS、Amazon DynamoDB、Amazon EFS、Amazon EC2 和 AWS Storage Gateway 集成，让您可以备份存储卷、数据库和文件系统等重要数据存储。
混合备份
AWS Backup 与 AWS Storage Gateway 集成，而 AWS Storage Gateway 是一种混合存储服务，让您的本地应用程序能够无缝地使用 AWS 云存储。您可以使用 AWS Backup 来备份存储在AWS Storage Gateway 卷内的本地应用程序数据。AWS Storage Gateway 卷的备份安全地存储在 AWS 云中并且与 Amazon EBS 兼容，可以将卷还原到 AWS 云或本地环境中。这种集成让您能够将同样的备份策略应用到 AWS 云资源和存储在 AWS Storage Gateway 卷内的本地数据中。
计费
使用 AWS Backup，您只需为实际使用的备份存储量以及当月恢复的备份数据量付费即可。没有最低消费和设置费用。
每月计费的存储量是按照全月内使用的平均存储空间来计算的。您的存储使用情况按"GB 月"来衡量，月底合计该值，得出您的月度费用。
每月计费的还原量是按照当月还原的数据量来计算的。一个月内还原的数据以 GB 为单位，表示当月执行的所有还原的数据总和。
示例 1：
假设您的 Amazon EFS 备份存储在美国东部（弗吉尼亚北部）地区。您在 4 月份的 15 天内使用 400GB 的 Amazon EFS 备份存储空间，在另外 15 天内使用 800GB。那么在 4 月底，您的备份存储使用量按照 GB 小时为单位计算如下：
总使用量（GB 小时）= [400GB x 15 天 x（24 小时/天）] + [800GB x 15 天 x（24 小时/天）] = 432000GB 小时
我们将 GB 小时加起来并换算成 GB 月，以计算月度费用：
月度总存储费用 = 600GB 月 x 0.05 USD = 30.00 USD
另外，让我们假设您已还原了 10 个备份，每个为 1GB。那么在 4 月底，您的备份还原使用量按照 GB 为单位计算如下：
总使用量 10 次还原 x 1GB = 10GB
月度还原总费用 = 10GB x 0.02 USD = 0.20 USD
将备份存储费用和备份还原费用相加获得 AWS Backup 月度总账单：
AWS Backup 月度总账单 = 30 USD + 0.20 USD = 30.20 USD
*这适用于除按需 DynamoDB 表备份之外的所有备份存储，按需 DynamoDB 表备份将创建 Amazon DynamoDB 表数据和设置的完整备份。
实践参考
动手实践可参考AWS官方博客：AWS 备份 – 自动化和集中管理您的备份
https://aws.amazon.com/cn/blogs/china/aws-backup-automate-and-centrally-manage-your-backups/
如需进一步协助或服务，请留言，泰岳云业务会提供自动化工具及专业服务。
返回技术博客
AWS Backup is a fully managed backup service that makes it easy to centrally manage and automate backups of data across AWS services. With AWS Backup, you can centrally configure backup policies and monitor backup activity for AWS resources such as Amazon EBS volumes, Amazon EC2 instances, Amazon RDS databases, Amazon DynamoDB tables, Amazon EFS file systems, and AWS Storage Gateway volumes. AWS Backup automates and consolidates backup tasks that were previously performed by service, without requiring you to create custom scripts and manual processes. With just a few clicks in the AWS Backup console, you can create backup policies that automate backup scheduling and retention management. AWS Backup provides a fully managed, policy-based backup solution that simplifies backup management and helps you meet business and regulatory backup compliance requirements.
Benefits
Centralized Backup Management
Configure backup policies from a central backup console to simplify backup management and easily ensure that application data across AWS services is backed up and protected. Use AWS Backup's central console, API, or command line interface to backup, restore, and set retention policies for AWS services.
Automated Backup Processes
Save time and money with AWS Backup's fully managed, policy-based solution. AWS Backup supports automatic backup scheduling, retention management, and lifecycle management without requiring custom scripts and manual processes. With AWS Backup, you can simply tag AWS resources to apply backup policies, making it easy to implement backup policies across all AWS resources and ensure all application data is properly backed up.
Improved Backup Compliance
Enforce backup policies, encrypt backups, and audit backup activities in a central console to meet backup compliance requirements. Backup policies can easily align with internal or regulatory requirements. AWS Backup encrypts data in transit and at rest to ensure backup security. Unified backup activity logs across different AWS services simplify compliance auditing. AWS Backup is PCI, ISO, and HIPAA compliant.
Use Cases
Cloud-Native Backup
AWS Backup provides a central console to automate and manage backups across different AWS services. AWS Backup integrates with Amazon EBS, Amazon RDS, Amazon DynamoDB, Amazon EFS, Amazon EC2, and AWS Storage Gateway, allowing you to back up important data storage such as storage volumes, databases, and file systems.
Hybrid Backup
AWS Backup integrates with AWS Storage Gateway, a hybrid storage service that enables your on-premises applications to seamlessly use AWS cloud storage. You can use AWS Backup to back up on-premises application data stored in AWS Storage Gateway volumes. Backups of AWS Storage Gateway volumes are securely stored in the AWS cloud and are compatible with Amazon EBS, allowing volumes to be restored to the AWS cloud or on-premises environment. This integration enables you to apply the same backup policies to both AWS cloud resources and on-premises data stored in AWS Storage Gateway volumes.
Billing
With AWS Backup, you only pay for the backup storage you actually use and the amount of backup data restored during the month. There are no minimum fees or setup charges.
Monthly billed storage is calculated based on the average storage space used throughout the month. Your storage usage is measured in "GB-Month" and totaled at the end of the month to determine your monthly fee.
Monthly billed restore amount is calculated based on the amount of data restored during the month. Data restored within a month is measured in GB and represents the sum of all restores performed during the month.
Example 1:
Assume your Amazon EFS backup is stored in the US East (N. Virginia) region. You use 400GB of Amazon EFS backup storage for 15 days in April and 800GB for another 15 days. At the end of April, your backup storage usage in GB-Hours is calculated as follows:
Total usage (GB-Hours) = [400GB x 15 days x (24 hours/day)] + [800GB x 15 days x (24 hours/day)] = 432,000 GB-Hours
We sum the GB-Hours and convert to GB-Month to calculate the monthly fee:
Total monthly storage fee = 600 GB-Month x $0.05 = $30.00
Additionally, let's assume you restored 10 backups, each 1GB. At the end of April, your backup restore usage in GB is calculated as follows:
Total usage: 10 restores x 1GB = 10GB
Total monthly restore fee = 10GB x $0.02 = $0.20
Add the backup storage fee and backup restore fee to get the total monthly AWS Backup bill:
Total monthly AWS Backup bill = $30 + $0.20 = $30.20
*This applies to all backup storage except on-demand DynamoDB table backups, which create a complete backup of Amazon DynamoDB table data and settings.
Hands-on Reference
For hands-on practice, refer to the AWS official blog: AWS Backup – Automate and Centrally Manage Your Backups
https://aws.amazon.com/cn/blogs/china/aws-backup-automate-and-centrally-manage-your-backups/
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