是否需要在节点中手动创建目录,还是由pv自动创建?
这是我的pv&pvc文件,我看到了这个错误
没有可用于此声明的持久卷,并且未设置存储类
怎么解决这个?
kind: PersistentVolume
apiVersion: v1
metadata:
name: zk1-pv
labels:
type: local
spec:
storageClassName: manual
capacity:
storage: 10Mi
accessModes:
- ReadWriteOnce
hostPath:
path: "/mr/zk"
cat zk1-pvc.yaml
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: zk1-pvc
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 10Mi
kubectl describe pvc zk1-pvc
Name: zk1-pvc
Namespace: instavote
StorageClass:
Status: Pending
Volume:
Labels: <none>
Annotations: kubectl.kubernetes.io/last-applied-configuration:
{"apiVersion":"v1","kind":"PersistentVolumeClaim","metadata":{"annotations":{},"name":"zk1-pvc","namespace":"instavote"},"spec":{"accessMo...
Finalizers: [kubernetes.io/pvc-protection]
Capacity:
Access Modes:
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal FailedBinding 12s (x14 over 3m7s) *persistentvolume-controller no persistent volumes available for this claim and no storage class is set*
Mounted By: zk1-745b7cbf46-lg7v9
你忘了在storageClassName: manual
中指定PersistentVolumeClaim
。
回到你的主要问题
是否需要在节点中手动创建目录,还是由pv自动创建?
首先,输出中的错误与您的问题无关。作为你的问题的答案 - 是的。它由PV自动包装。
为了做到这一点,首先你必须用StorageClass
创建no-provisioner
作为例子如下
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
name: manual
provisioner: kubernetes.io/no-provisioner
volumeBindingMode: WaitForFirstConsumer
然后你必须通过定义这个PersistentVolume
和storageClassName
参数创建hostPath
,如下所示:
apiVersion: v1
kind: PersistentVolume
metadata:
name: zk1-pv
spec:
storageClassName: manual
capacity:
storage: 1Gi
accessModes:
- ReadWriteOnce
hostPath:
path: /mr/zk
然后你必须创建PVC和Pod / Deployment作为例子如下:
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: myclaim
spec:
storageClassName: manual
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
---
apiVersion: v1
kind: Pod
metadata:
name: mypod
spec:
containers:
- name: containerName
image: gcr.io/google-containers/nginx:1.7.9
volumeMounts:
- mountPath: "/var/www/html"
name: mypd
volumes:
- name: mypd
persistentVolumeClaim:
claimName: myclaim
注意:
不要忘记在PVC和PV清单上放置storageClassName: manual
参数。否则他们将无法相互联系。
希望它清除