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社区首页 >问答首页 >Kubernetes Persistent Volume GCE磁盘

问Kubernetes Persistent Volume GCE磁盘
EN

Stack Overflow用户
提问于 2021-01-20 13:59:27
回答 4查看 470关注 0票数 0

我已经创建了一个GCE磁盘，并使用该磁盘创建了一个持久卷，并成功申请了PV。但是当我部署pod时，它给了我一个错误。以下是详细信息。

$g云硬盘列表

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NAME                    LOCATION                LOCATION_SCOPE  SIZE_GB  TYPE         STATUS
test-kubernetes-disk  asia-southeast1-a  zone            200      pd-standard  READY

pod.yml

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apiVersion: v1
kind: Pod
metadata:
  name: mypod
spec:
  containers:
    - name: myfrontend
      image: nginx
      volumeMounts:
      - mountPath: /test-pd
        name: mypd
  volumes:
    - name: mypd
      persistentVolumeClaim:
        claimName: myclaim

pv.yml

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apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv-gce
spec:
  accessModes:
    - ReadWriteOnce
  capacity:
    storage:  200Gi
  storageClassName: fast
  gcePersistentDisk:
    pdName: test-kubernetes-disk
    fsType: ext4

pvc.yml

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apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: myclaim
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage:  1Gi
  storageClassName: fast

下面是pod的事件。

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Events:
  Type     Reason       Age   From               Message
  ----     ------       ----  ----               -------
  Normal   Scheduled    12m   default-scheduler  Successfully assigned default/mypod to worker-0
  Warning  FailedMount  9m6s  kubelet, worker-0  MountVolume.SetUp failed for volume "pv-gce" : mount of disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce failed: mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce --scope -- mount  -o bind /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce
Output: Running scope as unit: run-r4b3f35b2b0354f26ba64375388054054.scope
mount: /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce: special device /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk does not exist.
  Warning  FailedMount  6m52s  kubelet, worker-0  MountVolume.SetUp failed for volume "pv-gce" : mount of disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce failed: mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce --scope -- mount  -o bind /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce
Output: Running scope as unit: run-ra8fb00a02d6145fa9c54e88adf81e942.scope
mount: /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce: special device /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk does not exist.
  Warning  FailedMount  5m52s (x2 over 8m9s)  kubelet, worker-0  Unable to attach or mount volumes: unmounted volumes=[mypd], unattached volumes=[default-token-s82xz mypd]: timed out waiting for the condition
  Warning  FailedMount  4m35s                 kubelet, worker-0  MountVolume.SetUp failed for volume "pv-gce" : mount of disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce failed: mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce --scope -- mount  -o bind /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce
Output: Running scope as unit: run-rf86d063bc5e44878831dc2734575e9cf.scope
mount: /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce: special device /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk does not exist.
  Warning  FailedMount  2m18s  kubelet, worker-0  MountVolume.SetUp failed for volume "pv-gce" : mount of disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce failed: mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce --scope -- mount  -o bind /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce
Output: Running scope as unit: run-rb9edbe05f62449d0aa0d5ed8bedafb29.scope
mount: /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce: special device /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk does not exist.
  Warning  FailedMount         80s (x3 over 10m)  kubelet, worker-0        Unable to attach or mount volumes: unmounted volumes=[mypd], unattached volumes=[mypd default-token-s82xz]: timed out waiting for the condition
  Warning  FailedAttachVolume  8s (x5 over 11m)   attachdetach-controller  AttachVolume.NewAttacher failed for volume "pv-gce" : Failed to get GCE GCECloudProvider with error 
  Warning  FailedMount         3s                 kubelet, worker-0        MountVolume.SetUp failed for volume "pv-gce" : mount of disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce failed: mount failed: exit status 32
Mounting command: systemd-run
Mounting arguments: --description=Kubernetes transient mount for /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce --scope -- mount  -o bind /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce
Output: Running scope as unit: run-r5290d9f978834d4681966a40c3f535fc.scope
mount: /var/lib/kubelet/pods/5ea05129-f32c-46f3-9658-2e5e0afc29af/volumes/kubernetes.io~gce-pd/pv-gce: special device /var/lib/kubelet/plugins/kubernetes.io/gce-pd/mounts/test-kubernetes-disk does not exist.

kubectl获取pv

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NAME     CAPACITY   ACCESS MODES   RECLAIM POLICY   STATUS   CLAIM             STORAGECLASS   REASON   AGE
pv-gce   200Gi      RWO            Retain           Bound    default/myclaim   fast                    23m

kubectl获取pvc

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NAME      STATUS   VOLUME   CAPACITY   ACCESS MODES   STORAGECLASS   AGE
myclaim   Bound    pv-gce   200Gi      RWO            fast           22m

请帮个忙。

google-compute-engine
disk
persistent
kubernetes
google-cloud-platform
EN

回答 4

Stack Overflow用户

发布于 2021-01-20 14:51:21

你错过了claimRef等级库pv。您需要添加claimRef字段位于pv这将帮助您将pv满足您的需求pvc。

还要确保pv和pod在同一区域。GCE持久化磁盘是一种分区资源，因此pod只能请求一个Persistent Disk这是在它的区域内。

尝试应用它们：

pv.yml

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apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv-gce
spec:
  claimRef:
    name: myclaim
  accessModes:
    - ReadWriteOnce
  capacity:
    storage:  200Gi
  storageClassName: fast
  gcePersistentDisk:
    pdName: msales-kubernetes-disk
    fsType: ext4
  nodeAffinity:
    required:
      nodeSelectorTerms:
      - matchExpressions:
        - key: topology.kubernetes.io/zone
          operator: In
          values:
          - australia-southeast1-a
        - key: topology.kubernetes.io/region
          operator: In
          values:
          - australia-southeast1

pvc.yml

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apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: myclaim
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage:  200Gi
  storageClassName: fast

存储类应该是这样的：

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apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: fast
provisioner: kubernetes.io/gce-pd
parameters:
  type: pd-standard
  fstype: ext4
  replication-type: none

pod应该是这样的

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apiVersion: v1
kind: Pod
metadata:
  name: mypod
spec:
  affinity:
    nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        nodeSelectorTerms:
        - matchExpressions:
          - key: topology.kubernetes.io/zone
            operator: In
            values:
            - australia-southeast1-a
          - key: topology.kubernetes.io/region
            operator: In
            values:
            - australia-southeast1
  containers:
    - name: myfrontend
      image: nginx
      volumeMounts:
      - mountPath: /test-pd
        name: mypd
  volumes:
    - name: mypd
      persistentVolumeClaim:
        claimName: myclaim
票数 0
EN

Stack Overflow用户

发布于 2021-01-20 22:09:32

@Emon，下面是disk describe的输出。

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$ gcloud compute disks describe test-kubernetes-disk
creationTimestamp: '2021-01-19T18:03:01.982-08:00'
id: '5437882943050232250'
kind: compute#disk
labelFingerprint: 42WmSpB8rSM=
lastAttachTimestamp: '2021-01-19T21:41:26.170-08:00'
lastDetachTimestamp: '2021-01-19T21:46:38.814-08:00'
name: test-kubernetes-disk
physicalBlockSizeBytes: '4096'
selfLink: https://www.googleapis.com/compute/v1/projects/test-01/zones/asia-southeast1-a/disks/test-kubernetes-disk
sizeGb: '200'
status: READY
type: https://www.googleapis.com/compute/v1/projects/test-01/zones/asia-southeast1-a/diskTypes/pd-standard
zone: https://www.googleapis.com/compute/v1/projects/test-01/zones/asia-southeast1-a
票数 0
EN

Stack Overflow用户

发布于 2021-01-21 14:03:39

你能重试吗？删除所有内容。

请执行以下步骤：

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gcloud compute disks create --size=200GB --zone=australia-southeast1-a msales-kubernetes-disk

然后应用这个

pod.yaml

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apiVersion: v1
kind: Pod
metadata:
  name: test-pd
spec:
  containers:
  - name: myfrontend
      image: nginx
      volumeMounts:
      - mountPath: /test-pd
        name: mypd
  volumes:
  - name: mypd
    # This GCE PD must already exist.
    gcePersistentDisk:
      pdName:  msales-kubernetes-disk
      fsType: ext4

在这里，您不需要费心pv和pvc

票数 0
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/65803851

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