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两地三中心容灾备份

<p class="shortdesc"></p> <p class="p">同城双中心加异地灾备结合起来就是 “两地三中心”的灾备模式，兼具高可用性和灾难备份的能力。</p> <p class="p">以下图为例，华南A区的源Bucket在创建时开启了<span class="ph uicontrol">同城备份</span>功能，该Bucket中存储的数据还会同步在华南B区存储，数据同时存储在同城的两个数据中心。</p> <p class="p">此外，您还需要在华南A区源Bucket的配置页面里，设置<span class="ph uicontrol">跨区域复制</span>功能，将华南区的数据复制到华东区目标桶中。</p> <p class="p">通过<span class="ph uicontrol">同城备份</span>和<span class="ph uicontrol">跨区域复制</span>两个功能的结合，实现“两地三中心”的灾备模式。</p> <img class="image" id="three_center__image_lsd_cxg_xlb" src="https://obs-cn-shanghai.pinganyun.com/pcp-portal/20241001165618-1aa4dd23952c.png" width="800">
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