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社区首页 >专栏 >Kuberntes 中无法删除 PV 的解决方法

Kuberntes 中无法删除 PV 的解决方法

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耕耘实录
发布2019-09-18 10:42:58
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发布2019-09-18 10:42:58
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文章被收录于专栏:耕耘实录

版权声明:本文为博主原创文章,遵循 CC 4.0 BY-SA 版权协议,转载请附上原文出处链接和本声明。

本文链接:https://blog.csdn.net/solaraceboy/article/details/100040524

Kuberntes 中无法删除 PV 的解决方法

一 背景

系统内有一个已经不再使用的 PV ,已经删除了与其关联的 Pod 及 PVC ,并对其执行了删除命令,但是无法正常删除,一直出于如下状态:

代码语言:javascript
复制
$ kubectl get pv
NAME          CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS        CLAIM                                    STORAGECLASS          REASON   AGE
pv-nfs-gysl   1Gi        RWO            Recycle          Terminating   default/www-vct-statefulset-pvc-gysl-0   managed-nfs-storage            22h

二 解决方法

代码语言:javascript
复制
$ kubectl patch pv pv-nfs-gysl -p '{"metadata":{"finalizers":null}}'
persistentvolume/pv-nfs-gysl patched
$ kubectl get pv
No resources found.

通过系统帮助信息,我们可以获取patch的简要使用说明:

patch: 使用 strategic merge patch 更新一个资源的 field(s)。

更多帮助信息:

代码语言:javascript
复制
# kubectl patch -h
Update field(s) of a resource using strategic merge patch, a JSON merge patch, or a JSON patch.

 JSON and YAML formats are accepted.

Examples:
  # Partially update a node using a strategic merge patch. Specify the patch as JSON.
  kubectl patch node k8s-node-1 -p '{"spec":{"unschedulable":true}}'

  # Partially update a node using a strategic merge patch. Specify the patch as YAML.
  kubectl patch node k8s-node-1 -p $'spec:\n unschedulable: true'

  # Partially update a node identified by the type and name specified in "node.json" using strategic merge patch.
  kubectl patch -f node.json -p '{"spec":{"unschedulable":true}}'

  # Update a container's image; spec.containers[*].name is required because it's a merge key.
  kubectl patch pod valid-pod -p '{"spec":{"containers":[{"name":"kubernetes-serve-hostname","image":"new image"}]}}'

  # Update a container's image using a json patch with positional arrays.
  kubectl patch pod valid-pod --type='json' -p='[{"op": "replace", "path": "/spec/containers/0/image", "value":"new
image"}]'

Options:
      --allow-missing-template-keys=true: If true, ignore any errors in templates when a field or map key is missing in
the template. Only applies to golang and jsonpath output formats.
      --dry-run=false: If true, only print the object that would be sent, without sending it.
  -f, --filename=[]: Filename, directory, or URL to files identifying the resource to update
  -k, --kustomize='': Process the kustomization directory. This flag can't be used together with -f or -R.
      --local=false: If true, patch will operate on the content of the file, not the server-side resource.
  -o, --output='': Output format. One of:
json|yaml|name|go-template|go-template-file|template|templatefile|jsonpath|jsonpath-file.
  -p, --patch='': The patch to be applied to the resource JSON file.
      --record=false: Record current kubectl command in the resource annotation. If set to false, do not record the
command. If set to true, record the command. If not set, default to updating the existing annotation value only if one
already exists.
  -R, --recursive=false: Process the directory used in -f, --filename recursively. Useful when you want to manage
related manifests organized within the same directory.
      --template='': Template string or path to template file to use when -o=go-template, -o=go-template-file. The
template format is golang templates [http://golang.org/pkg/text/template/#pkg-overview].
      --type='strategic': The type of patch being provided; one of [json merge strategic]

Usage:
  kubectl patch (-f FILENAME | TYPE NAME) -p PATCH [options]

Use "kubectl options" for a list of global command-line options (applies to all commands).
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原始发表:2019年08月23日,如有侵权请联系 cloudcommunity@tencent.com 删除

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  • Kuberntes 中无法删除 PV 的解决方法
    • 一 背景
      • 二 解决方法
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