> ## Documentation Index
> Fetch the complete documentation index at: https://clickhouse.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

> 有关如何配置备份计划的指南

# 配置备份计划

export const Image = ({img, alt, size = "lg"}) => {
  const normalizedSize = ["sm", "md", "lg"].includes(size) ? size : "lg";
  return <div className={`ch-image-${normalizedSize}`}>
      <Frame>
        <img src={img} alt={alt} />
      </Frame>
    </div>;
};

export const ScalePlanFeatureBadge = ({feature = '此功能', linking_verb_are = false}) => {
  return <div className="scalePlanFeatureContainer">
            <div className="scalePlanFeatureBadge">
                Scale 计划功能
            </div>
            <div>
                <p>{feature} {linking_verb_are ? '仅在' : '仅在'} Scale 和 Enterprise 计划中可用。要升级，请访问 Cloud Console 中的计划页面。</p>
            </div>
        </div>;
};

export const CloudNotSupportedBadge = () => {
  return <div className="cloudNotSupportedBadge">
            <div className="cloudNotSupportedIcon">
            <svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
                <path strokeWidth="1.5" d="M6.33366 12.6666L12.3739 12.6667C13.6593 12.6667 14.7073 11.6187 14.7073 10.3334C14.7073 9.04804 13.6593 8.00003 12.3739 8.00003C12.3739 8.00003 12.3337 7.66659 12.0003 7.33325M10.667 5.33322C8.00033 2.33325 4.45395 4.78537 4.14195 6.68203C2.55728 6.7627 1.29395 8.06203 1.29395 9.6667C1.29395 11.3234 2.66699 12.6666 4.00033 12.6666" stroke="currentColor" strokeLinecap="round" strokeLinejoin="round" />
                <path strokeWidth="1.5" d="M2.66699 14L12.0003 4.66663" stroke="currentColor" strokeLinecap="round" strokeLinejoin="round" />
            </svg>

        </div>
            ClickHouse Cloud 不支持此功能
        </div>;
};

<ScalePlanFeatureBadge feature="可配置备份" linking_verb_are="True" />

要为服务配置备份计划，请前往控制台中的 **设置** 选项卡，然后点击 **更改备份配置**。

<Image img="https://mintcdn.com/private-7c7dfe99/flZ-Iruiim7eBp5N/images/cloud/manage/backup-settings.webp?fit=max&auto=format&n=flZ-Iruiim7eBp5N&q=85&s=aa98665e6bfe8c1e85ec9b5cdac7f8de" size="lg" alt="配置备份设置" border width="3840" height="2144" data-path="images/cloud/manage/backup-settings.webp" />

这样会在右侧打开一个选项卡，你可以在其中为保留策略、频率和开始时间选择相应的值。保存所选设置后，它们才会生效。

<Image img="https://mintcdn.com/private-7c7dfe99/flZ-Iruiim7eBp5N/images/cloud/manage/backup-configuration-form.webp?fit=max&auto=format&n=flZ-Iruiim7eBp5N&q=85&s=aaa895b804ff3d359201dcc2c41f60b6" size="lg" alt="选择备份保留策略和频率" border width="3840" height="2140" data-path="images/cloud/manage/backup-configuration-form.webp" />

<Note>
  开始时间和频率互斥。开始时间优先。
</Note>

<Note>
  更改备份计划可能会增加每月存储费用，因为某些备份可能不在该服务默认备份的覆盖范围内。请参阅["了解备份成本"](/docs/zh/products/cloud/guides/backups/review-and-restore-backups#understanding-backup-cost)。
</Note>