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数据库灾备解决方案

对于大多数企业，制定数据库灾备方案是一件非常有挑战的事情。根据企业所在行业、合规要求、数据规模、RPO/RTO要求的不同，数据库灾备目的和要求各不相同，投入成本也是不同的。数据库灾备解决方案提供实时数据备份能力，满足企业备份多样化选择。

数据库备份DBS详情数据传输DTS详情方案详情

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为什么选择我们

提升性能: 阿里双11增量数据流技术，实时数据备份，最大程度避免数据丢失；单表恢复，大大缩短故障恢复时间。

降低成本: 避免一次性投入大量资产，按照实际使用量来分批投入，按需付费、即开即用。

规避风险: 除本地备份外，还要选择“云”作为备份方案，把鸡蛋放在不同的篮子里。

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数据库灾备推荐架构

数据库灾备架构

阿里双11增量数据流技术，提供实时数据备份能力，通过数据库备份DBS（冷备）或者数据传输DTS（热备）构建备份中心。当业务中心故障时，将业务流量切换到本地数据中心、或者备份中心。

本架构能够解决

实时备份，RPO达到秒级
表级恢复，故障恢复时间大大缩短
长期归档，自动管理备份生命周期
异地灾备，构建数据库备份中心

数据灾备特性

RPO: 0-秒级

典型应用场景及客户案例

异地备份
跨云备份

异地备份
异地备份

由于合规要求，互联网金融、银行、保险等行业数据库除同城备份外，还需要异地备份。数据库备份DBS可以帮助用户快速的为ECS自建库、RDS、本地IDC数据库进行异地备份，并通过阿里云专线或公网将数据库实时备份到OSS上。

能够提供
- 安全的异地备份
  
  阿里云专线、公网+IP白名单+SSL，保证异地备份安全性
- 灵活易用的备份恢复
  
  细粒度备份，任意时间点恢复，备份数据完整生命周期管理
跨云备份
跨云备份

由于业务迅速发展，企业对跨云备份需求越来越明显。阿里云数据库备份DBS提供将其他云上数据库备份到阿里云OSS上，用户只需几步配置，可以将跨云备份运行起来，成本可控，稳定性也有保障。

能够提供
- 安全的跨云备份
  
  阿里云专线、公网+IP白名单+SSL，保证跨云备份安全性
- 可靠的备份恢复
  
  实时/压缩备份，低成本归档，备份演练

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方案业务场景及优势

冷备解决方案
热备解决方案

实时备份、异地灾备、低成本

作为完整数据库灾备方案，除了要有本地数据库备份外，还要在异地做数据库备份；传统方案是将备份集拷贝到本机其他盘、其他机器，这些都无法抵御地震、台风等自然灾害；如果要做到异地容灾，需要用户在其他地区自行搭建备份机房，前期投入成本很大。
为了解决数据库异地灾备问题，数据库备份DBS提供按量付费服务，对于本地IDC数据库、其他云数据库、ECS自建数据库和RDS数据库，可以通过DBS将数据备份到阿里云OSS上，实现异地容灾备份。

实时备份、异地灾备、一键切换

由于地区断电、断网等客观原因，产品可用性并不能达到100%。当出现这些故障时，如果用户业务部署在单个地区，那么就会因为地区故障导致服务不可用，且不可用时间完全依赖故障恢复时间。
为了解决地区故障导致的服务不可用，提高服务可用性，可以在构建异地灾备中心。当业务中心发生地区故障时，直接将业务流量切换到灾备中心，立刻恢复服务。

实时备份、异地灾备、低成本

作为完整数据库灾备方案，除了要有本地数据库备份外，还要在异地做数据库备份；传统方案是将备份集拷贝到本机其他盘、其他机器，这些都无法抵御地震、台风等自然灾害；如果要做到异地容灾，需要用户在其他地区自行搭建备份机房，前期投入成本很大。
为了解决数据库异地灾备问题，数据库备份DBS提供按量付费服务，对于本地IDC数据库、其他云数据库、ECS自建数据库和RDS数据库，可以通过DBS将数据备份到阿里云OSS上，实现异地容灾备份。

实时备份、异地灾备、一键切换

由于地区断电、断网等客观原因，产品可用性并不能达到100%。当出现这些故障时，如果用户业务部署在单个地区，那么就会因为地区故障导致服务不可用，且不可用时间完全依赖故障恢复时间。
为了解决地区故障导致的服务不可用，提高服务可用性，可以在构建异地灾备中心。当业务中心发生地区故障时，直接将业务流量切换到灾备中心，立刻恢复服务。

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数据库灾备解决方案

为什么选择我们

数据库灾备架构

本架构能够解决

数据灾备特性

推荐搭配使用

典型应用场景及客户案例

异地备份

能够提供

安全的异地备份

灵活易用的备份恢复

跨云备份

能够提供

安全的跨云备份

可靠的备份恢复

方案业务场景及优势

实时备份、异地灾备、低成本

推荐搭配使用

实时备份、异地灾备、一键切换

推荐搭配使用

实时备份、异地灾备、低成本

推荐搭配使用

实时备份、异地灾备、一键切换

推荐搭配使用

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