[zh] sync blog: retroactive-default-storage-class-ga.md
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layout: blog
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title: "Kubernetes v1.28：可追溯的默认 StorageClass 进阶至 GA"
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date: 2023-08-18
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slug: retroactive-default-storage-class-ga
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---
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<!--
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layout: blog
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title: "Kubernetes v1.28: Retroactive Default StorageClass move to GA"
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date: 2023-08-18
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slug: retroactive-default-storage-class-ga
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-->
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<!--
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**Author:** Roman Bednář (Red Hat)
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-->
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**作者:** Roman Bednář (Red Hat)
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**译者:** [Michael Yao](https://github.com/windsonsea) (DaoCloud)
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<!--
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Announcing graduation to General Availability (GA) - Retroactive Default StorageClass Assignment
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in Kubernetes v1.28!
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-->
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可追溯的默认 StorageClass 赋值（Retroactive Default StorageClass Assignment）在
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Kubernetes v1.28 中宣布进阶至正式发布（GA）！
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<!--
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Kubernetes SIG Storage team is thrilled to announce that the
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"Retroactive Default StorageClass Assignment" feature,
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introduced as an alpha in Kubernetes v1.25, has now graduated to GA
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and is officially part of the Kubernetes v1.28 release.
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This enhancement brings a significant improvement to how default
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[StorageClasses](/docs/concepts/storage/storage-classes/) are assigned
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to PersistentVolumeClaims (PVCs).
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-->
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Kubernetes SIG Storage 团队非常高兴地宣布，在 Kubernetes v1.25 中作为
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Alpha 特性引入的 “可追溯默认 StorageClass 赋值” 现已进阶至 GA，
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并正式成为 Kubernetes v1.28 发行版的一部分。
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这项增强特性极大地改进了默认的 [StorageClasses](/zh-cn/docs/concepts/storage/storage-classes/)
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为 PersistentVolumeClaim (PVC) 赋值的方式。
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<!--
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With this feature enabled, you no longer need to create a default StorageClass
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first and then a PVC to assign the class. Instead, any PVCs without a StorageClass
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assigned will now be retroactively updated to include the default StorageClass.
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This enhancement ensures that PVCs no longer get stuck in an unbound state,
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and storage provisioning works seamlessly,
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even when a default StorageClass is not defined at the time of PVC creation.
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-->
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启用此特性后，你不再需要先创建默认的 StorageClass，再创建 PVC 来指定存储类。
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现在，未分配 StorageClass 的所有 PVC 都将被自动更新为包含默认的 StorageClass。
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此项增强特性确保即使默认的 StorageClass 在 PVC 创建时未被定义，
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PVC 也不会再滞留在未绑定状态，存储制备工作可以无缝进行。
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<!--
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## What changed?
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The PersistentVolume (PV) controller has been modified to automatically assign
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a default StorageClass to any unbound PersistentVolumeClaim with the `storageClassName` not set.
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Additionally, the PersistentVolumeClaim admission validation mechanism within
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the API server has been adjusted to allow changing values from an unset state
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to an actual StorageClass name.
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-->
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## 有什么变化？ {#what-changed}
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PersistentVolume (PV) 控制器已修改为：当未设置 `storageClassName` 时，自动向任何未绑定的
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PersistentVolumeClaim 分配一个默认的 StorageClass。此外，API 服务器中的 PersistentVolumeClaim
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准入验证机制也已调整为允许将值从未设置状态更改为实际的 StorageClass 名称。
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<!--
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## How to use it?
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As this feature has graduated to GA, there's no need to enable a feature gate anymore.
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Simply make sure you are running Kubernetes v1.28 or later, and the feature will be
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available for use.
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-->
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## 如何使用？ {#how-to-use-it}
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由于此特性已进阶至 GA，所以不再需要启用特性门控。
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只需确保你运行的是 Kubernetes v1.28 或更高版本，此特性即可供使用。
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<!--
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For more details, read about
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[default StorageClass assignment](/docs/concepts/storage/persistent-volumes/#retroactive-default-storageclass-assignment)
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in the Kubernetes documentation. You can also read the previous
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[blog post](/blog/2023/01/05/retroactive-default-storage-class/)
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announcing beta graduation in v1.26.
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-->
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有关更多细节，可以查阅 Kubernetes
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文档中的[默认 StorageClass 赋值](/zh-cn/docs/concepts/storage/persistent-volumes/#retroactive-default-storageclass-assignment)。
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你也可以阅读以前在 v1.26 中宣布进阶至 Beta
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的[博客文章](/zh-cn/blog/2023/01/05/retroactive-default-storage-class/)。
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<!--
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To provide feedback, join our [Kubernetes Storage Special-Interest-Group](https://github.com/kubernetes/community/tree/master/sig-storage) (SIG)
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or participate in discussions on our [public Slack channel](https://app.slack.com/client/T09NY5SBT/C09QZFCE5).
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-->
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要提供反馈，请加入我们的
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[Kubernetes 存储特别兴趣小组](https://github.com/kubernetes/community/tree/master/sig-storage) (SIG)
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或参与[公共 Slack 频道](https://app.slack.com/client/T09NY5SBT/C09QZFCE5)上的讨论。
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